[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Turner, Matthew J"]
[Black "Buttell, David"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2536"]
[BlackElo "1782"]
[Annotator "Rudy"]
[PlyCount "39"]
[EventDate "2018.??.??"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. d5 {a well
known sacrifice, to get K side chances. However Matthew does'nt usually play
to get this position. The last known from the databases is} (7. Nc3 Ne4 8. Nxe4
Bxe4 9. Nh4 Bxg2 10. Nxg2 {draw agreed, Turner-Crouch, S Wales Masters,
Monmouth 2000, 1/2-1/2}) (7. Re1) 7... exd5 8. Nh4 (8. Nd4 {played less often}
c6 (8... Bc6 9. Nxc6 dxc6 10. Nc3 {O'Kelly de Galway-Euwe, Beverwijk 1958,1-0})
) 8... Re8 (8... c6 9. cxd5 Nxd5 10. Nf5 Nc7 11. e4 {main line , 60% for Wh} (
11. Nc3 {58%})) (8... Ne4 9. cxd5 Bxh4 10. Bxe4 Bf6 11. Qc2 g6 12. Nc3 {has
also given Wh good results, 62%}) 9. cxd5 {78% for Wh, the Bl QB is misplaced
& Wh gets K side chances} g6 (9... d6 10. Nc3 Nbd7 {main , though 95% for wh
over 10 games}) (9... c6 {Komodo11} 10. Nf5 (10. d6 Bf8 11. Nc3 Nd5 12. Ne4 h6
13. Nf5 Re6 14. Qc2 Nf6 15. b4 Na6 16. a3 Nxe4 17. Bxe4 Bxd6 18. Nxd6 Rxd6 19.
Bh7+ Kh8 20. Bf5 Qe7 21. e4 Re8 22. Bf4 Rf6 23. e5 Rxf5 24. Qxf5 Nc7 $14 {
Komodo11, seems a bit convoluted}) 10... Bf8 11. Nc3 Na6 12. Bg5 $16 {
Shankland-Bachmann, Berkeley op 2011,1-0} (12. e4 cxd5 13. exd5 Re5 14. Ne3 Rc8
15. Qd4 Qe8 16. Nc4 $14 {Yordanov-Nestorovic, Paracin Summer op 2017,0-1})) 10.
d6 $18 Bxg2 11. dxe7 Qxe7 12. Nxg2 Qxe2 (12... Nc6 13. Nc3 Rad8 14. Bg5 h6 15.
Nd5 {Rodas Martini-Barreno Anleu, GAU ch, Maestros 1982,1-0}) 13. Qxe2 Rxe2 14.
Nc3 (14. Ne3 Ne4 15. Kg2 Nc6 16. Kf3 Nd4+ 17. Kxe4 c5 18. Nc3 d5+ 19. Kd3 {
Ryan-Poenisch, EU ch ICCF 1988,1-0}) 14... Re8 15. Bg5 Ne4 16. Rae1 Nd6 17. Nd5
Rxe1 18. Rxe1 Nc6 19. Nxc7 (19. Nf6+ Kg7 20. Nxd7) 19... Rc8 20. Nd5 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Fowler, Hugo"]
[Black "Williams, A. Howard"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1786"]
[BlackElo "2274"]
[Annotator "Rudy"]
[PlyCount "31"]
[EventDate "2018.??.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 {For years the main line , until
quieter methods became more popular} dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nf3 (8. Nc3
e6 9. Nf3 Be7 10. d5 {Considered by Howard the crucial line, which he has met
several times} exd5 11. cxd5 Nb4 12. Nd4 Bd7 13. Qf3 {Heaven-Williams, WCPL
2015,0-1} (13. e6 {is another razorsharp line ( Howard)})) 8... e6 9. Be2 Be7
10. O-O O-O 11. Nc3 f6 12. a3 {not a move that Howard has met before} (12. exf6
{main}) (12. Qe1) (12. Nh4 {Shephard-Williams, Islington Open 1972,0-1}) 12...
fxe5 13. d5 {least common reply here} (13. Nxe5) (13. dxe5) 13... e4 14. Nd2
exd5 (14... Ne5 15. Bxb6 axb6 16. Ndxe4 Bxe4 17. Nxe4 Rxf1+ 18. Bxf1 exd5 19.
cxd5 Bd6 $11 {Vasilenko-Akinshin, RUS cup corr RCCA 1998,1/2-1/2}) 15. cxd5
Nxd5 $2 (15... Ne5 {looked at in pm analysis} 16. Bd4 (16. Bxb6 axb6 17. Ndxe4
Qd7 18. Qd4 Ng6 19. Rad1 (19. Bb5 $16) 19... Bxe4 20. Nxe4 Bd6 21. Bg4 $14 {
Kovalenko-Upolovnev, RSOCF cup, Saratov 2010,0-1}) (16. Qb3 Kh8 17. Rad1 $11 {
Komodo11}) 16... Bd6 17. Ndxe4 Bxe4 18. Nxe4 Nxd5 $2 (18... Kh8 19. Bc3 Rxf1+
20. Bxf1 $14 {Komodo11}) 19. Qb3 (19. Rxf8+ Kxf8 20. Qb3 $18 {Komodo11}) 19...
c6 20. Nxd6 Qxd6 21. Qxb7 Rfc8 22. Qa6 Kh8 (22... Nb4 $15) 23. Qa5 $1 $11 {
Moreno Fernandez-Casamitjana, La Pobla de Lillet op 2003,1-0}) (15... Bd6 16.
Ndxe4 Bxe4 17. Nxe4 Ne7 (17... Rxf1+ 18. Qxf1 Qe7 $11) 18. Rxf8+ Kxf8 (18...
Qxf8) 19. Ng5 $18 {Von Hunoltstein-Bullockus, ICCF corr 1981,1-0}) 16. Nxd5 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Jones, Iolo C"]
[Black "Jones, Martin C"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "2206"]
[BlackElo "1769"]
[Annotator "Rudy"]
[PlyCount "85"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. g3 d6 6. Bg2 Nbd7 7. O-O c5 (7...
e5 {main}) 8. d5 Nb6 {looks strange, but is the 2nd most frequent move in this
position ( initial first choice of Komodo11). It blocks the b pawn, but does
allow Bl to move the e pawn.} (8... a6 {main,when} 9. a4 Nb6 10. Nd2 Rb8 {has
been played}) (8... Ng4) 9. Qd3 (9. Nd2 {main}) 9... e5 (9... Bd7) 10. e4 Nh5 (
10... Ne8 {Main, Rudy}) 11. a4 Nd7 $146 (11... a6 12. a5 Nd7 13. Bd2 b6 14.
axb6 Nxb6 15. Ne2 f5 16. Ne1 f4 {Denizot-Couronne, Montigny le Bretonneux Noel
op 2011,0-1}) (11... Bd7 12. a5 Nc8 13. Bg5 f6 14. Bd2 Ne7 15. Nh4 f5 16. exf5
gxf5 17. Bg5 Nf6 18. Bh3 {Fistek-Gawiec, POL ch tm,Podkarpackie Pstragowa 2014,
1-0}) 12. Qe2 a6 (12... Nb8 13. a5 Na6 14. Ne1 $14 {Komodo11}) 13. Bg5 f6 (
13... Nhf6) 14. Bd2 Rf7 (14... Bh8 15. a5 Ng7 16. Bh6 Rf7 17. h4 $16 {Komodo11}
) 15. a5 Rb8 16. Na4 Qf8 17. Ne1 (17. b4 cxb4 18. Bxb4 Bh6 19. Rfb1 $16 {
Komodo11}) 17... Bh6 18. Bh3 (18. b4 $16) 18... Bxd2 19. Qxd2 Nb6 (19... f5 20.
b4 cxb4 21. Qxb4 Ndf6 22. exf5 Bxf5 (22... gxf5 23. Nb6 Ne4 24. Rd1 $14) 23.
Bg2 Qe7 $14 {Komodo11}) (19... b5 $1 20. axb6 Nxb6 21. Bxc8 Qxc8 22. Nxb6 Rxb6
23. f3 f5 $11 {Komodo11}) 20. Be6 $1 Nxa4 (20... Nxc4 21. Bxf7+ Qxf7 22. Qc3 b5
23. axb6 Nxb6 24. Nxb6 Rxb6 25. Nc2 $16 {Komodo11}) 21. Bxf7+ Qxf7 22. Rxa4 $16
Bh3 23. Ng2 f5 {despite having lost the exchange, Bl does have some K side
possibilities, Rs are bad defenders & need open lines to attack.} 24. f3 (24.
exf5 Qxf5 25. f3 Ng7 26. f4 $18 {Komodo11- in pursuit of those open lines})
24... Rf8 (24... f4 {Rudy & Komodo11} 25. Qf2 (25. g4 Nf6 {just helps Bl open
up the K side with a welltimed h5}) 25... fxg3 (25... Nf6 26. b4 Nd7 27. b5 Rf8
28. Ra3 fxg3 29. hxg3 Nf6 30. bxa6 bxa6 31. Rb3 {& the Rs have the b file with
targets at a6 & d6}) 26. hxg3 Rf8) 25. Raa1 (25. exf5 Qxf5 26. Ra3 $18 {
Komodo11} (26. g4 Qd7 27. Ra3 Nf4 28. Nxf4 Bxf1 29. Ne6 Bxc4 30. Nxf8 Kxf8 31.
Rc3 Bb5 32. Kg2 $16)) 25... Qg7 (25... f4 {Rudy in pm analysis} 26. g4 Nf6 27.
b4 Qc7 28. Rab1 Qc8 29. Kh1 $16 {Komodo11}) 26. Rfe1 Nf6 (26... f4 27. g4 Nf6
28. b4 Nxg4 29. bxc5 (29. fxg4 f3 $11) 29... dxc5 30. Rab1 Bxg2 31. Kxg2 Ne3+
32. Rxe3 (32. Kh1 Nxc4 33. Qf2 Qd7 34. Rec1 Nxa5 35. Qa2 Qh3 36. Rf1 b6 37. d6+
c4 38. Qd2 Rf7 39. Qd5 b5 40. Qxe5 $16) 32... fxe3 33. Qxe3 Qe7 34. Rb6 Rd8 35.
Re6 Qc7 36. Qc3 $18 {Komodo11}) 27. Qg5 (27. exf5 gxf5 28. Kh1 Kh8 29. Nh4 $18
{Komodo11}) 27... fxe4 28. fxe4 Bg4 (28... h6 29. Qd2 Nh7 30. Rf1 Rxf1+ 31.
Rxf1 Ng5 32. Qe3 Qc7 33. Qf2 Qd8 34. Ra1 Bg4 (34... Nxe4 35. Qc2 $18) 35. Qe3
Nh3+ 36. Kf1 Ng5 37. Nh4 $16 {Komodo11}) 29. Qe3 Bh3 30. Rf1 g5 31. Rf2 (31. b4
$18) 31... Qg6 32. Re1 Kg7 33. Qd3 Rb8 {Bl is trying to avoid a R swap, but
the R is bettewr somewhere on the K side , rather than initiating play on the
Q side where Wh is preferably placed} (33... Kh8 34. Ne3) (33... Rd8 34. Qb3
Rd7 35. Qc2 h5 36. Qd3 Rf7 37. Ref1 Kf8 38. Qe3 Kg7 {and Komodo11, while
making claims of a definite Wh advantage, just carries on making Q moves for
Wh & K moves for Bl, before eventually stumbling upon} 39. g4 $1 {taking away
a key square from the Bl pieces} hxg4 40. b4 $1 {opening up on the Q side for
the Rs} cxb4 41. c5 dxc5 42. d6 g3 43. Qxg3 Bxg2 44. Qxg2 Rf8 45. Qg3 Qxe4 46.
Qxg5+ Qg6 47. h4 $18 {Komodo11}) 34. Rfe2 b5 {Since Wh is doing nothing very
much with his Rs, Bl should do likewise with his.} (34... Rf8 $16) 35. axb6
Rxb6 36. Qa3 $18 Qe8 37. Ne3 Qb8 (37... Nxe4 38. g4 $18) 38. g4 (38. Nf5+ Bxf5
39. exf5 $18 {Komodo11}) 38... Kg6 39. Rf2 Rb3 (39... h5 {the B needs to be
rescued} 40. Nf5 Rb3 41. Ne7+ Kf7 42. Nc6 Qb6 43. Qa5 $18) 40. Qxa6 (40. Qa4 $1
Qb4 41. Qxb4 Rxb4 42. Rf3 Bxg4 43. Rxf6+ Kxf6 44. Nxg4+ Ke7 45. Ne3 $18 {
Komodo11}) 40... Nxe4 {falling into a trap laid by Wh, but Komodo11 pulls a
rabbit out of the hat} 41. Rf3 (41. Nd1 Rd3 42. Qa4 Bxg4 $11 {Komodo11}) 41...
Bxg4 (41... Rxe3 $1 42. Rfxe3 {other moves lose} Qxb2 43. R3e2 (43. R1e2 Qc1+
44. Re1 Qd2 $11) 43... Qd4+ 44. Re3 Qd2 45. R3e2 Qd4+ $11) 42. Nxg4 Rxf3 43.
Nxe5+ {as foreseen by Wh} 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Jukes, Sam"]
[Black "Zeidler, Sven P."]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1762"]
[BlackElo "2165"]
[Annotator "Rudy"]
[PlyCount "79"]
[EventDate "2018.??.??"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 (3... Qd6 {has been a Sven speciality in the
past}) 4. d4 Nf6 5. Nf3 Bg4 6. Be2 (6. h3 {main}) 6... e6 7. O-O Be7 8. Be3 (8.
h3) 8... O-O 9. Ne5 Bxe2 10. Qxe2 Nbd7 11. Rfd1 {Komodo11} (11. Rad1 {played})
11... c6 {the position is similar to those reached via a Caro-Kann; Bl has a
very solid position, but it looks like few attacking prospects in the middle
game. The aim is to reach an endgame & then outplay the opponent.} 12. a3 Rc8
13. Qf3 Nb6 14. Ne2 (14. Rac1) 14... Qd5 15. b3 Nbd7 16. c4 Qxf3 17. Nxf3 Rfd8
$11 18. Nc3 Ng4 19. Bf4 Nf8 20. b4 Ng6 21. Bg3 $11 (21. Bg5 Bxg5 22. Nxg5 $11)
21... Rd7 22. h3 Nh6 23. Ne5 Nxe5 24. dxe5 Rcd8 25. f4 (25. f3 {doesn't put a
pawn on a possible weak square} Nf5 26. Rxd7 Rxd7 27. Bf2 Rd3 28. Ne4 Nd4 29.
Bxd4 Rxd4 30. Kf2 $11 Rxc4 31. Rd1 a5 32. Rd7 Bf8 33. bxa5 Ra4 34. Ng5 Rxa5 35.
Nxf7 Bxa3 36. Rxb7 $11 {Komodo11}) 25... Rd4 (25... Rd3 26. Rxd3 Rxd3 27. Be1
Nf5 28. Rd1 Rxd1 29. Nxd1 Nd4 30. Bd2 $11 {Komodo11}) 26. Bf2 $1 Rxd1+ {if Bl
grabs pawns, Wh gains the d file & gets them back} 27. Rxd1 Rxd1+ 28. Nxd1 $14
a5 29. c5 {a lot of Wh's pawns are on the same colour as his B, impeding it} (
29. bxa5 Bxa3 30. Bb6 Nf5 31. g4 Nh4 32. Kf2 f6 33. Bc7 fxe5 34. Bxe5 $14 {
Komodo11}) 29... axb4 30. axb4 g5 (30... Bd8 31. Nb2 Nf5 32. Nc4 Bc7 33. Nd6
Ne7 34. Nxb7 Nd5 35. g3 Nxb4 36. Kg2 $14 {Komodo11}) 31. fxg5 (31. g3 gxf4 32.
gxf4 Nf5 $11) 31... Bxg5 32. Be3 Bxe3+ 33. Nxe3 Nf5 34. Nxf5 (34. Nc4 Ne7 35.
Kf2 Nd5 36. Nd6 $11 {Komodo11}) 34... exf5 35. Kf2 f6 36. exf6 (36. e6 Kf8 37.
Ke3 Ke7 38. Kf4 Kxe6 39. h4 Kd5 40. h5 Kc4 41. Kxf5 Kxb4 42. g4 Kxc5 43. Kxf6
b5 44. g5 b4 45. g6 hxg6 46. hxg6 b3 47. g7 b2 48. g8=Q b1=Q {is also a drawn
endgame, but why risk things for Wh?}) 36... Kf7 37. Kf3 Kxf6 38. Kf4 h6 39. h4
Ke6 40. g4 {(draw?)} 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "James, David J"]
[Black "Owen, Neil"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "2119"]
[BlackElo "1760"]
[Annotator "Rudy"]
[PlyCount "67"]
[EventDate "2018.??.??"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nd2 (4. Nf3) 4... Be7 (4... d5 {heads for a
Stonewall setup}) 5. e4 fxe4 (5... d5 6. exf5 exf5 7. Nh3 O-O 8. O-O c6 {
Piankov-Betkowski, Sudety op, Szklarska Poreba 2012,1-0}) 6. Nxe4 O-O 7. Nh3 (
7. Ne2 {main}) 7... Qe8 $146 (7... d6 {main}) 8. O-O (8. Nxf6+ Bxf6 9. O-O Nc6
10. c3 d6 11. Nf4 $16 {Komodo11}) 8... Nxe4 9. Bxe4 d5 10. Bg2 c5 11. dxc5 Nc6
(11... Bxc5 12. Nf4 $14) 12. Be3 $16 a5 13. c3 (13. c4) 13... Ne5 14. b4 (14.
Nf4 $16) 14... a4 (14... axb4 15. cxb4 Bd7 16. Bd4 Nc6 17. Bb2 Qf7 18. a3 Bf6
19. Qd2 Bxb2 20. Qxb2 Qf6 21. Qxf6 gxf6 22. Nf4 Kf7 $14 {Komodo11}) 15. Nf4 $18
Nc4 16. Nxd5 $1 Nxe3 17. Nxe3 Bf6 18. Qc2 g6 19. Nc4 Ra6 20. Rad1 Qe7 21. Nd6
a3 22. Rd3 Bd7 23. b5 Bxb5 {hoping to break the power of the pawns, but its at
a cost} 24. Nxb5 Qxc5 25. Nd4 $18 Rb6 26. Nxe6 Qb5 27. Nxf8 Kxf8 28. Bd5 (28.
Re1) 28... h5 29. Bb3 (29. Qd2) 29... h4 30. Rd5 Qe8 31. Qd2 Qe4 32. Re1 (32.
Rd8+) 32... Qg4 33. Qh6+ Bg7 34. Rd8# 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Whale, Michael"]
[Black "Richmond, Jane"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "1743"]
[BlackElo "2097"]
[Annotator "Rudy"]
[PlyCount "74"]
[EventDate "2018.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. d4 (4. O-O) (4. c3) 4... exd4 5. Nxd4 Nxd4 (
5... g6) 6. Qxd4 a6 (6... Nc6) 7. Be2 (7. Ba4) (7. Bc4 {main lines}) 7... Nc6
8. Qe3 Bb4+ (8... Bd6 9. e5 Be7 10. Qg3 g6 11. Bf4 Nd4 12. Bd3 {Ivekovic-Vucko,
SLO ch 2013,1-0}) (8... g6 9. Bd2 Bg7 10. Bc3 O-O 11. h4 h5 12. Bxg7 Kxg7 13.
Nc3 d6 14. Nd5 Re8 15. O-O-O {Carraro-Lucero, Latin Cup, Buenos Aires 2015,1-0}
) 9. c3 (9. Bd2 Bxd2+ 10. Qxd2 d6 11. Nc3 Be6 12. f4 f6 13. O-O-O {
Groenegress-Nicolai, NRW ch,Brilon 1980,1-0}) 9... Ba5 (9... Be7) 10. Qg3 Qf6
11. Bf4 (11. Be3) 11... d6 12. Nd2 b5 13. O-O O-O 14. Bg5 Qg6 15. f4 (15. Be3
Qxg3 16. hxg3 Re8 17. b4 Bb6 18. Bxb6 cxb6 19. Rfd1 $14 {Komodo11}) 15... f6
16. Bh4 Bb6+ 17. Kh1 Bb7 18. Qxg6 hxg6 19. a4 (19. Bf2 Bxf2 20. Rxf2 Nd8 21. a4
$11 {Komodo11}) 19... Be3 $15 20. Nb3 g5 21. fxg5 fxg5 22. Bg3 Ne5 (22... Rxf1+
23. Bxf1 bxa4 24. Rxa4 Kf7 $11 (24... Rb8 $11)) 23. Bxe5 dxe5 24. axb5 axb5 25.
Rxa8 (25. Bxb5 Rxf1+ 26. Rxf1 Ra2 27. Bd3 $11 {Komodo11}) 25... Bxa8 26. Bxb5
Rxf1+ 27. Bxf1 Bxe4 28. Na5 $11 Kf7 29. Nc4 Bf4 30. Kg1 Ke6 31. g3 Bc1 32. Kf2
Bg6 33. Bh3+ Kd5 34. Ne3+ Kd6 35. Nc4+ Kd5 36. Ne3+ Kd6 37. Nc4+ Kd5 {(draw?)}
1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "May, Frank"]
[Black "Greatorex, Roger"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2096"]
[BlackElo "1722"]
[Annotator "Rudy"]
[PlyCount "51"]
[EventDate "2018.??.??"]

1. Nf3 d5 2. e3 c6 3. c4 e6 4. Nc3 Nf6 5. d4 {a Semi-Slav by circuitous route}
Ne4 (5... Nbd7) (5... Bd6) (5... Be7) 6. Nxe4 (6. Bd3) 6... dxe4 7. Nd2 Bb4 (
7... f5) 8. Qg4 O-O 9. Qxe4 $16 f5 (9... Nd7 10. a3 Nf6 11. Qc2 Ba5 12. b4 Bc7
13. Bb2 Ng4 14. Nf3 Qe7 15. h3 Nh6 16. Bd3 {Mihajlov-Reutimann, Gibraltar
Challengers, 2012,1-0}) (9... Re8 10. a3 Qa5 11. Rb1 Bd6 12. c5 f5 13. Qd3 Be7
14. b4 Qc7 15. Be2 Bd7 16. O-O e5 $18 {D Williams-R Karlsson, IECC email 1998,
0-1}) 10. Qd3 f4 (10... Qf6 11. Be2 Rd8 12. c5 Bxc5 13. Qb3 Bb6 14. O-O Bc7 15.
Nf3 Nd7 16. Bd3 h6 17. e4 Kh8 18. e5 {Murciano Cespedosa-Jimenez Mansano,
Madrid Codes mem 2013,1-0}) 11. a3 Ba5 12. b4 fxe3 13. fxe3 (13. Qxe3 $18)
13... Bc7 14. Nf3 Rxf3 $6 (14... e5 $14) 15. gxf3 $18 Qh4+ 16. Kd1 Qf6 17. Be2
a5 18. Bb2 Na6 19. f4 {keeps the Bl Bs shut out} axb4 20. axb4 Nxb4 21. Rxa8
Nxd3 22. Rxc8+ Bd8 23. Bxd3 Qe7 24. Kc2 Qd7 25. Ra8 g6 26. h4 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Thomas, Roy"]
[Black "Waddington, Mike P"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "1706"]
[BlackElo "2086"]
[Annotator "Rudy"]
[PlyCount "90"]
[EventDate "2018.??.??"]

1. f4 f5 2. b3 (2. Nf3) 2... Nf6 3. Bb2 g6 (3... e6) 4. Nf3 Bg7 5. e3 O-O 6.
Be2 d6 7. O-O Nc6 (7... Qe8) 8. d3 (8. Qc1 e6 9. c4 Qe7 10. d4 {Angstl-Hicker,
AUT ch 1995,0-1}) (8. Qe1 e5 (8... h6 9. Na3 a6 10. Nh4 Kh7 11. Rf3 Be6 12. Rh3
Bf7 13. Nf3 Kg8 14. Rb1 Qd7 15. Bc4 e6 16. Bxf6 Bxf6 17. Rxh6 {Just-Wilk, Rail
4 Countries, Ludwigshafen 2003,1-0}) 9. fxe5 Ng4 10. Nc3 dxe5 11. Bc4+ Kh8 12.
e4 f4 13. h3 Nh6 14. a4 Nd4 15. Nxd4 Qxd4+ 16. Qf2 Qxf2+ 17. Rxf2 c6 18. a5 {
Spice-R Van Kemenade, WCPL 2009,1-0}) 8... a5 (8... e5 {Komodo11}) 9. a4 Qe8
10. e4 e5 $17 11. fxe5 Ng4 12. Bc1 Ncxe5 13. Ra2 (13. d4 Nxf3+ 14. gxf3 Nf6 $17
{komodo11}) 13... Nxf3+ 14. gxf3 Bd4+ $19 {Wh has lost all control over the
dark squares} 15. Kg2 Ne3+ 16. Bxe3 Bxe3 17. Qe1 Qe7 18. Nc3 c6 19. Nd1 Bf4 (
19... Bb6) 20. Kh1 Bd7 (20... Be6) 21. Rg1 d5 22. Bf1 Rfe8 (22... Rae8 {
Komodo11}) 23. Bg2 Qg5 24. c3 Qh5 25. Bf1 fxe4 26. dxe4 (26. fxe4 Bg4 {
threatens a fatal ch on f3}) 26... Qxf3+ 27. Rag2 Rxe4 28. Be2 Rae8 $1 {
simplifies to a won ending} 29. Bxf3 Rxe1 30. Rxe1 Rxe1+ 31. Rg1 Rxg1+ 32. Kxg1
Bf5 $19 33. b4 Bc2 34. bxa5 Bxa4 35. Be2 Bd2 36. Nb2 Bb3 37. a6 bxa6 38. Bxa6
Bxc3 39. Nd3 Kf8 40. Kf1 Ke7 41. Nf4 Be5 42. Ne2 Bxh2 43. Nd4 Ba4 44. Bc8 c5
45. Nf3 Bf4 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Heap, Gerry"]
[Black "Francis, Matthew"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2086"]
[BlackElo "1694"]
[Annotator "Rudy"]
[PlyCount "45"]
[EventDate "2018.??.??"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 c5 5. O-O Be7 6. cxd5 exd5 (6... Nxd5 7.
Nc3 (7. d4 {also played})) 7. d4 O-O 8. Nc3 {transposed to a Tarrasch} Nc6 9.
dxc5 (9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Be6 {AH Williams-Francis, Dyfed League
2012,1-0}) 9... d4 (9... Bxc5 10. Bg5 d4 11. Bxf6 Qxf6 12. Nd5 Qd8 13. Nd2 {
main line}) 10. Na4 Be6 (10... Bf5 {main}) 11. b3 (11. b4 {Cloud Engines})
11... Qd7 12. Bb2 $16 {Komodo11 & Houdini3} (12. e3 d3 13. Bb2 Rad8 14. Nd4 Bh3
15. Qxd3 {Hrivnak-Kerek, EU ch U14, Szombathely 1993,1-0}) (12. Bf4 Nh5 13. Ne5
Nxe5 14. Bxe5 Bf6 15. Bxf6 Nxf6 16. Qd2 {Bombardiere-Morales Garcia, Endesa op,
Santiago de Chile 2009,1-0}) 12... Ne4 $2 (12... Rad8) 13. Nxd4 $18 Nxc5 14.
Nxc6 bxc6 15. Nxc5 Bxc5 16. Qc2 (16. Qxd7 Bxd7 17. Rac1 Bb6 18. Rfd1 Bg4 19.
Bxc6 $18 {Komodo11}) 16... Qe7 17. Rac1 Ba3 18. Qc3 (18. Bxa3 Qxa3 19. Bxc6 $18
) 18... f6 (18... Bxb2 19. Qxb2 Rac8 20. Rxc6 $16) 19. Bxa3 Qxa3 20. Qxc6 (20.
Bxc6) 20... Rae8 21. Rc2 Bf5 22. Rd2 Rc8 $2 23. Qd5+ 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Van Kemenade, Julie"]
[Black "Brown, Thomas"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1692"]
[BlackElo "2085"]
[Annotator "Rudy"]
[PlyCount "87"]
[EventDate "2018.??.??"]

1. e4 c6 2. d3 (2. Qe2 d5 3. d3 g6 4. Nf3 Bg7 5. g3 Qc7 6. Nc3 d4 7. Nb1 e5 8.
Bg2 Ne7 9. O-O O-O 10. Nbd2 Bg4 11. h3 Be6 12. Ne1 {Van Kemenade-Sen, Dyfed
League 2015,1-0}) 2... g6 3. Nf3 Bg7 4. g3 d5 5. Qe2 (5. Nbd2) 5... Bg4 6. Bg2
Nf6 (6... e6 7. O-O Ne7 8. c3 O-O 9. h3 Bxf3 10. Qxf3 Nd7 11. Qe2 Nc5 12. e5 d4
13. c4 a5 14. b3 {Ivanov-Novitzkij, EU ch blitz, Minsk 2015,1/2-1/2}) 7. Nbd2 (
7. h3 Bxf3 8. Bxf3 e6 9. O-O O-O 10. Bg2 c5 11. e5 Nfd7 12. f4 Nc6 13. c3 {
Orlov-Tkachev, St Petersburg March op 2009,1-0}) 7... Na6 (7... dxe4 8. dxe4 e5
9. h3 Bxf3 10. Nxf3 Qc7 11. O-O Nbd7 12. Re1 O-O 13. a4 Rfe8 {Fiedler-Kochseder
iedler-Kochseder, Oberfranken ch, Schney 1993,1/2-1/2}) (7... O-O 8. h3 Bxf3 9.
Nxf3 e5 10. O-O Re8 11. Nh2 Nbd7 12. Ng4 {Alekseev-Landa, EU cup, Kallithea
2008,1/2-1/2}) 8. h3 Nb4 (8... Bxf3 9. Nxf3 dxe4 10. dxe4 Nd7 11. O-O O-O 12.
e5 Nac5 13. b3 Qc7 14. Bb2 Rad8 15. h4 {Dzhumaev-Santanu, New Delhi Parsvnath
op 2012,1-0}) 9. Nf1 (9. O-O $16 {Komodo11} Nxc2 (9... Bc8 10. e5 Nd7 11. Nb3
c5 12. c3 Nc6 13. c4 $16) 10. e5 Bf5 11. exf6 Bxf6 12. Rb1 $16 {Komodo11}) 9...
Bxf3 (9... Qa5 $17 {Komodo11} 10. c3 (10. Bd2 Nxc2+ 11. Kd1 Qa4 12. b3 Bxf3 13.
Bxf3 Qd4 14. Rc1 Nb4 $19) (10. Kd1 Bxf3 11. Bxf3 dxe4 12. dxe4 Qa4 13. Qc4 Rd8+
14. Nd2 b5 15. Qb3 Qa5 16. a3 Na6 17. Ke2 O-O $15) 10... Nxd3+ 11. Qxd3 dxe4
12. Qe2 exf3 13. Bxf3 Bxf3 14. Qxf3 O-O $17 {Komodo11}) 10. Bxf3 a5 (10... Qa5
11. c3 Nxd3+ 12. Qxd3 dxe4 13. Bxe4 Rd8 14. Qe2 Nxe4 15. Qxe4 Bxc3+ 16. bxc3
Qxc3+ 17. Nd2 Qxa1 18. O-O Qd4 19. Qb1 Qd7 20. Ne4 O-O $11 {Komodo11}) 11. a3 (
11. e5 Nd7 12. c3 Na6 13. d4 $14 {Komodo11}) 11... Na6 12. Nd2 (12. e5) 12...
O-O 13. O-O Nc5 14. Bg2 (14. e5 Nfd7 15. d4 Ne6 16. c3 a4 $11 (16... Nb6 $11 {
Komodo11})) 14... dxe4 15. dxe4 e5 16. Nc4 Qc7 17. Bg5 b5 (17... Ne6 18. Be3 b5
19. Nd2 Rfd8 $11) 18. Bxf6 Bxf6 19. Ne3 Ne6 20. c3 Rfd8 (20... a4) 21. h4 h5
22. Qf3 Be7 23. Bh3 (23. Nf5 $6 gxf5 24. exf5 Ng7 25. f6 e4 26. Qxe4 Bxf6 27.
Qxc6 Qxc6 28. Bxc6 Rab8 $17) 23... Nc5 $15 24. Rad1 (24. g4 Bxh4 25. gxh5 Qe7
26. Qg4 Qg5 27. hxg6 fxg6 28. Rad1 Kg7 29. Qxg5 Bxg5 30. Rxd8 Rxd8 31. Rd1
Rxd1+ 32. Nxd1 a4 $15 {Komodo11}) 24... Rxd1 (24... Na4 25. Qe2 Bc5 26. Ng2 Bb6
27. Qc2 Nc5 28. Ne3 Kg7 29. Bg2 Qe7 $15 {Komodo11}) 25. Rxd1 Rd8 26. b4 Na4 27.
Rxd8+ Qxd8 28. g4 (28. bxa5 $11 {Komodo11} Bc5 (28... Qxa5 29. g4 hxg4 30. Qxg4
Qxc3 31. h5 Bc5 32. hxg6 Bxe3 33. gxf7+ Kxf7 34. Qf5+ Kg7 35. Qg4+ $11) (28...
Bxa3 29. g4 Qxh4 30. gxh5 gxh5 (30... Qxh5 31. Ng4 Kf8 32. Qg3 Qg5 33. Qxe5
Qxe5 34. Nxe5 $14) 31. a6 Bc5 32. Nf5 Qg5+ 33. Kh2 Kf8 34. Qd3 Bxf2 35. Bg2
Qf4+ 36. Kh1 Qc1+ 37. Bf1 Qg5 38. Bg2 $11) 29. a6 Nxc3 30. Nf5 Qd2 31. Nh6+ Kg7
32. Qxf7+ Kxh6 33. Qf6 Kh7 34. Qf7+ $11) 28... axb4 (28... hxg4 29. Nxg4 Bxh4
30. bxa5 Qxa5 31. Nh6+ Kh7 32. Qxf7+ Kxh6 33. Qf8+ Kh7 34. Qf7+ $11 {Komodo11})
29. cxb4 Bxh4 (29... hxg4 30. Nxg4 Bxh4 31. Nxe5 Qg5+ 32. Ng4 Nb6 33. Qe3 Nc4
34. Qxg5 Bxg5 35. Bf1 f5 (35... Nxa3 36. Ne5 $11) 36. exf5 gxf5 37. Nh2 Nxa3
38. Bg2 Be7 39. Bxc6 Bxb4 $15 {Komodo11}) 30. gxh5 Qg5+ 31. Ng2 (31. Kf1 Qxh5
32. Qxh5 gxh5 33. Bd7 $11 {Komodo11}) (31. Kh2 Qxh5 32. Qxh5 gxh5 33. Bd7 Bxf2
34. Nf5 c5 35. Bxb5 Nc3 36. Bd3 cxb4 37. axb4 Kh7 38. Kg2 $11 {Komodo11}) 31...
gxh5 32. Kh2 (32. Bd7 Kf8 33. Kh2 Qf6 34. Qxf6 Bxf6 35. Bxc6 $11 {Komodo11})
32... Nb6 $15 33. Qe2 (33. Bf5 Qf6 34. Kg1 Bg5 35. Qxh5 Kf8 {Komodo11}) 33...
Nc4 (33... Qf6 34. Bf5 Bg5 35. Qxh5 Kf8) 34. a4 (34. Bf5 Qf6 (34... Nxa3 35.
Kh3 $16) 35. a4 $11 {Komodo11} Bg5 36. a5 c5 37. bxc5 Nxa5 38. Qxb5 Nc6 39. Qe2
Qh6 $11) 34... Nd6 (34... bxa4 $1 {Komodo11, a dangerous a pawn} 35. Nxh4 (35.
Qxc4 Bxf2 36. Qc3 h4 37. Kh1 Qg3 38. Qxg3+ hxg3 $19) 35... Qxh4 36. Qxc4 Qxf2+
37. Bg2 h4 38. Qxc6 Qg3+ 39. Kh1 a3 40. Qd5 h3 41. Bf1 Qf3+ 42. Kg1 Qe3+ 43.
Kh1 Qc1 44. Qc4 $11 Qf4 45. Bxh3 Qe3 46. Bg2 Qe1+ 47. Kh2 Qh4+ $11 {Komodo11})
35. a5 $1 $16 {now Wh has a dangerous a pawn} Qf6 (35... Nxe4 36. Qxe4 Bxf2 37.
Qf3 Ba7 38. Bd7 Qe7 39. Bxc6 (39. Qxc6) 39... Qxb4 40. Bd5 Qe7 41. Qxh5 $18 {
Komodo11}) 36. Bf5 (36. Kg1 Nxe4 37. Nxh4 Qxh4 38. Bg2 Nd6 39. Qxe5 Qxb4 40. a6
Qa3 41. Qg5+ Kf8 42. Bxc6 h4 (42... Qxa6 43. Qd8+ Kg7 44. Qxd6 b4 45. Qe5+ $16)
43. Qd8+ Kg7 44. Qd7 Qc1+ 45. Kg2 Qg5+ 46. Kh3 Nc4 47. Qd4+ Ne5 48. Bd5 $18 {
Komodo11}) 36... Nxf5 37. exf5 e4 (37... Qd8 38. a6 Be7 39. Qe3 Qd7 40. a7 Qb7
41. Qg3+ Kh7 42. f6 Bxf6 43. Qa3 Qa8 44. Qd3+ Kg7 45. Qd7 Bd8 46. Ne3 Bb6 47.
Nf5+ Kf6 48. Nd6 Qxa7 {the a pawn hasured the defenders away from their K} 49.
Qf5+ Kg7 50. Qg5+ Kf8 51. Qh6+ Kg8 (51... Ke7 52. Nc8+) 52. Nf5 f6 53. Qxf6
Bxf2 54. Ne7+ {wins the Q or mates- Komodo11}) 38. a6 $18 Bg5 39. Qxe4 c5 (
39... Qa1 40. Nf4 $1 Kh7 (40... Qxa6 41. Qe8+ Kg7 42. Nxh5+ Kh6 43. Qh8#) (
40... Bxf4+ 41. Qxf4 Qxa6 42. Qg3+ Kf8 43. f6 Qb6 44. Qd6+ Kg8 45. Kg2 Qb7 46.
Qg3+ Kf8 47. Qg7+ Ke8 48. Qg8+ Kd7 49. Qxf7+ Kc8 50. Qxb7+ (50. Qe8+) 50...
Kxb7 51. f7 $18 {Komodo11}) 41. Nxh5 Kh6 42. Ng3 Qxa6 43. Qg4 Bd8 44. f6 Bxf6
45. Qf4+ Bg5 46. Qxf7 Bd2 47. Nf5+ Kg5 48. Ne7 $18 {Komodo11- again, Bl's Q is
miles away}) 40. Qe8+ (40. a7) 40... Kg7 41. a7 Qd6+ 42. Kh3 (42. Kh1 Qd1+ 43.
Ne1) 42... Qd3+ 43. Ne3 Qb1 (43... Bxe3 44. Qxe3 Qd5 45. Kh2 Qa2 46. Qg5+ Kh7
47. Qxh5+ Kg7 48. Qg5+ Kh7 49. Qh4+ Kg7 50. f6+ Kg6 51. Qg4+ Kh6 52. Qh3+ Kg6
53. Qg2+ Kf5 54. a8=Q {Komodo11}) 44. a8=Q 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Young, Alan"]
[Black "Howell, Alun"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2036"]
[BlackElo "1691"]
[Annotator "Rudy"]
[PlyCount "65"]
[EventDate "2018.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 g6 (6... e6) (6... e5
) 7. g4 Bg7 8. Be3 Nc6 9. Bg2 (9. Qd2 O-O 10. O-O-O) 9... O-O 10. O-O Bd7 11.
a4 (11. Nde2) (11. Qd2) 11... Qc7 $146 (11... Rc8) 12. g5 Ne8 13. Nd5 $14 Qd8
14. Nxc6 Bxc6 15. c3 b5 16. axb5 (16. Nb4 Bb7 17. axb5 axb5 18. Qe2 Nc7 19. h4
$14 {Komodo11}) 16... Bxb5 17. Re1 e6 18. Nb4 (18. c4 Bc6 19. Nb4 Bb7 20. Qe2
Qe7 21. Nd3 Rc8 22. Rec1 f5 23. gxf6 Nxf6 24. e5 Ne4 25. Qg4 d5 26. cxd5 exd5
27. Rxc8 Bxc8 28. Qd1 Rf7 29. Qb3 $14 {Komodo11}) 18... a5 19. Nc2 Rb8 $11 20.
Nd4 Qc7 (20... Bd7 $11) 21. Nxb5 Rxb5 22. Qd2 $16 f6 (22... f5 $5) 23. h4 fxg5
24. hxg5 Rf7 25. Reb1 $16 (25. Bf1 $16) 25... Rd7 26. Ra4 (26. Qe2 Qb8 27. Bf1
Rb3 28. Bh3 Nc7 29. Rxa5 Bxc3 30. Ra7 Rb7 31. Rxb7 Qxb7 32. Qc4 Bb4 33. Bxe6+
Nxe6 34. Qxe6+ Rf7 35. Rd1 $16 {Komodo11}) 26... d5 {missing a chance} (26...
Bxc3 27. Qe2 Rb4 28. Rxb4 Bxb4 29. Rc1 Qd8 30. Qc4 Qe7 31. Bh3 Ng7 $11 {
komodo11}) 27. Qd3 $18 Qb7 28. exd5 exd5 29. c4 Rxb2 30. Rxb2 (30. Bxd5+ Kh8 (
30... Rxd5 31. Rxb2 Rxg5+ 32. Bxg5 Bxb2 33. Rxa5 $18) 31. Bxb7 Rxd3 32. Rxb2
Bxb2 33. Rxa5 $18 {Komodo11}) 30... Qxb2 31. cxd5 (31. Rxa5 $18) 31... Nc7 (
31... Qe5 32. Qa6 Re7 33. Qxa5 $18 {Komodo11}) 32. d6 Nb5 33. Qc4+ (33. Qd5+ $1
{Komodo11}) 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Morgans, Justin"]
[Black "Musson, Adam J"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1668"]
[BlackElo "2020"]
[Annotator "Rudy"]
[PlyCount "84"]
[EventDate "2018.??.??"]

1. f4 d5 2. Nf3 Nc6 3. c3 Nf6 4. e3 g6 5. d4 Bg7 6. Be2 (6. Bd3 {main}) 6...
O-O 7. O-O b6 (7... Ne4) (7... Bf5) 8. Ne5 (8. c4 Bb7 9. a3 a5 10. Nc3 Ba6 11.
b3 Qd7 12. Ne5 Nxe5 13. fxe5 Ne4 14. Bb2 {Scholz-Werner, Eschborn op 2016,1-0})
8... Bb7 9. Nd2 e6 (9... Nxe5 10. fxe5 Nd7 11. c4 c5 12. Bf3 e6 13. cxd5 exd5
14. Qb3 c4 15. Qd1 Rc8 16. Nb1 b5 $2 (16... f6 $17) 17. Nc3 {Melo-Sallaberry,
Jaoa Pessoa Fischer mem 2016,1-0}) 10. Ndf3 Ne7 $15 11. Bd2 Ne4 12. Bd3 f6 13.
Ng4 Qd7 14. Nf2 Rae8 (14... c5) 15. Qc2 f5 (15... Nxd2 16. Qxd2 c5 {breaks
symmetry}) 16. Rae1 c5 17. Ne5 $11 Bxe5 18. fxe5 Rc8 19. Nh3 Nc6 20. Bxe4 (20.
Qd1) 20... fxe4 21. Qa4 $2 (21. Rxf8+ Rxf8 22. Rf1 $11 {Komodo11}) 21... Nxe5
22. Qxd7 (22. Qxa7 Nc4 $19 {Q & B both threatened}) 22... Nxd7 23. Ng5 Ba6 24.
Rf4 Rxf4 (24... h6 $1 25. Rxf8+ (25. Nxe6 Rfe8 $19) 25... Nxf8 $19 {Komodo11})
25. exf4 Nf8 $17 26. Be3 h6 27. Nh3 Kg7 28. Kf2 Nd7 29. g4 Bd3 30. Kg3 Rf8 31.
Nf2 c4 32. h4 b5 (32... Nf6) 33. h5 gxh5 34. gxh5 Rf5 $19 35. Kh4 Nf6 36. Rg1+
Kh7 37. Ng4 Nxh5 (37... Rxh5+ 38. Kg3 Nxg4 39. Kxg4 Be2+ 40. Kg3 a5 41. Re1 Bf3
42. b3 Rf5 $19 {Komodo11}) 38. Rh1 Be2 39. Rh2 (39. Ne5 Nxf4) 39... Bf3 (39...
Bxg4 {gets rid of Bl's bad B, leaving Wh with his}) 40. Ne5 Nxf4 41. Nxf3 Ng6+
(41... exf3 42. Kg3 Nh5+ 43. Kf2 Nf6 44. Rxh6+ Kg7 45. Rh4 Ne4+ $19 {Komodo11})
42. Kg3 $2 (42. Kg4 Rxf3 43. Bxh6 Kg8 $19) 42... Rxf3+ 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "French, Max"]
[Black "Di-Vetta, Andrew"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1997"]
[BlackElo "1665"]
[Annotator "Rudy"]
[PlyCount "65"]
[EventDate "2018.??.??"]

1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Be7 6. d5 O-O 7. e4 exd5 (7... d6
{main}) 8. cxd5 d6 9. Bc4 {the B looks a bit obstructed here} (9. Bd3) (9. Be2)
9... Nbd7 10. O-O Qc8 $146 (10... Ne5) (10... Re8) 11. Nd4 $16 Ne5 12. Be2 Re8
13. f4 Ng6 14. Bb5 Rd8 15. Nc6 (15. Bc6 {ensures a permanent post on c6 for
the N}) 15... Bxc6 16. Bxc6 Rb8 17. Qc2 a6 18. Ne2 Qg4 19. Nd4 Bf8 20. Rf3 $18
Ne7 21. Rg3 (21. h3 Qh4 22. Be3 g6 23. Raf1 $18 {Komodo11}) 21... Qc8 22. Bd2
$16 Ne8 (22... g6 23. Rf1 Bg7 24. Bc3 $18) 23. Rc1 Nf6 24. Bc3 Nh5 25. Rf3 g6
26. h3 (26. f5 $18) 26... Ng7 27. f5 gxf5 28. exf5 f6 29. Re1 Kf7 30. Ne6 Nxc6
31. dxc6 Re8 (31... d5 $5) 32. Qb3 (32. Ng5+ Kg8 33. Qb3+ {Komodo11}) 32...
Nxe6 33. fxe6+ {Bl has been systematically squashed} 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Jones, Gavin"]
[Black "Van Kemenade, Rudy"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1658"]
[BlackElo "1981"]
[Annotator "Rudy"]
[PlyCount "48"]
[EventDate "2018.??.??"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Bg4 8.
Re1 f5 9. Nbd2 Be7 10. c4 Nb4 11. Bxe4 dxe4 {looking at d4} (11... fxe4 12.
Qa4+ Bd7 (12... b5 13. cxb5 Nd3 14. Re3 O-O $19) 13. Qb3 Nd3 14. Re3 Bc6 15. c5
Nxc5 16. dxc5 exf3 17. Nxf3 O-O $15 {Komodo11 & partial pm analysis}) 12. Qa4+
c6 (12... Qd7 13. Qxd7+ Kxd7 14. Ne5+ Kc8 15. Nxg4 Nc2 16. Ne3 Nxe1 17. Nxf5
Bb4 18. Nxe4 Nc2 19. Rb1 g6 20. Nfg3 Nxd4 $17 {Komodo11}) 13. Nxe4 (13. Ne5
Qxd4 14. Nxg4 Nd3 15. Re2 fxg4 16. Nxe4 O-O $11 {Komodo11}) 13... Bxf3 {second
idea} (13... fxe4 $19 14. Ne5 Bf5 15. a3 Qxd4 16. Bf4 Nd3 17. Nxd3 Qxd3 18.
Rad1 b5 19. cxb5 Qxb5 $19 {Komodo11}) 14. Ng5 (14. Ng3 O-O 15. gxf3 Nd3 16. Rd1
Qxd4 17. Be3 Qxb2 18. c5 Qb4 19. Qc2 Ne5 $15 {Komodo11}) (14. Nc5 {Rudy} Be4 (
14... O-O {considered} 15. Ne6 (15. Qxb4 Qxd4 $15 16. Be3 Qg4 17. g3 Qh3) 15...
Qe8 16. Nxf8 Be4 17. Ne6 Nd3 18. Nc7 Qf7 (18... Qg6 19. Rxe4 fxe4 20. Nxa8 $18)
19. Bg5 Nxe1 20. Rxe1 Rd8 21. Bxe7 Qxe7 22. Qa5 Rxd4 23. f3 Rxc4 24. Kh1 h6 $11
25. fxe4 Rxe4 26. Rxe4 fxe4 $17) 15. Qxb4 b6 16. f3 bxc5 17. dxc5 Bxf3 18. gxf3
O-O $11 {Komodo11}) 14... Be4 $19 15. Nxe4 fxe4 (15... Nd3 16. Nd6+ Qxd6 17. c5
Qd7 18. Bg5 Nxe1 19. Rxe1 O-O 20. Rxe7 Rae8 $17 {Komodo11}) 16. Rxe4 O-O $17
17. Qb3 Qd7 (17... a5 18. a3 a4) 18. a3 Na6 19. Bf4 Bf6 20. Rd1 Rad8 $19 21.
Qg3 Nc5 $1 22. Ree1 Ne6 23. Bc1 Nxd4 24. c5 (24. Kh1) 24... Ne2+ 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Miles, Richard"]
[Black "Denham, Colin"]
[Result "1-0"]
[ECO "E10"]
[WhiteElo "1960"]
[BlackElo "1653"]
[Annotator "Rudy"]
[PlyCount "71"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 d6 {a little passive} 4. g3 c6 5. Bg2 d5 {Bl is now
a move behind in a Catalan, though the closed variation limits some of the
immmediate damage. Wh is very comfortable & won all 5 games from this postion}
6. Qc2 Nbd7 7. O-O Be7 8. b3 Nf8 {its not clear that the N will be better
placed on g6, so Bl gets futher bhind in development with this} 9. Bb2 Ng6 10.
Nbd2 O-O 11. e4 {Wh has just carried on with preparing this break} dxe4 12.
Nxe4 Nxe4 13. Qxe4 Bf6 14. Rad1 $16 Qc7 15. h4 (15. Ne5) (15. Rfe1) 15... Rd8
16. h5 Nf8 17. Ne5 {Wh has a huge grip on the position} Qa5 18. Qc2 (18. h6 {
Komodo11} Qxa2 19. Qc2 Qa5 20. hxg7 Ng6 21. Bc3 Qc7 22. c5 $16) 18... Nd7 {
back to d7} 19. Bc3 $18 Qc7 20. Ng4 (20. h6) 20... Be7 (20... h6 $5) 21. h6 g6
22. Rfe1 f5 23. Nh2 (23. Rxe6 Nc5 24. Ba5 Nxe6 25. Bxc7 Nxc7 26. Ne3 $18 {
Komodo11, but why risk things when Wh has a near total bind?}) 23... Nf6 24.
Qb2 (24. d5 cxd5 25. Qb2 Nh5 26. cxd5 Bg5 27. Be5 Qf7 28. d6 $18 {Komodo11})
24... Rf8 25. d5 $1 $18 {Bl is missing his Q side pieces, so a breaking open
must be decisive} cxd5 (25... Nh5 26. Be5 Bd6 27. Bxd6 Qxd6 28. dxc6 Qe7 29.
cxb7 Bxb7 30. Bxb7 Qxb7 31. Rxe6 $18 {Komodo11}) 26. cxd5 exd5 (26... f4 27. g4
f3 28. Be5 Bd6 29. Nxf3 $18 {Komodo11}) 27. Be5 (27. Bxf6 Bxf6 28. Bxd5+ Be6 (
28... Kh8 29. Qxf6+ Rxf6 30. Re8+ Rf8 31. Rxf8#) 29. Rxe6 Bxb2 30. Re7+ Kh8 31.
Rxc7 $18 {Komodo11}) 27... Qb6 28. Bxd5+ Nxd5 29. Rxd5 Be6 {liberty for the B?}
30. Bd4 Qc6 31. Rde5 Rf6 32. Qe2 (32. Bc5 $1 {Komodo11} Bf8 (32... Bxc5 33.
Rxe6 Qc7 34. Qxf6) 33. Bxf8 Bd5 (33... Raxf8 34. Rxe6) 34. Be7 $18) 32... Kf7
33. Nf3 (33. Re3 Bb4 34. Nf3 Qa6 35. Ng5+ Kg8 36. Bxf6 $18 {Komodo11}) 33...
Bb4 34. Ng5+ Kg8 35. Rxe6 Rxe6 36. Qxe6+ 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Miller, John S"]
[Black "Bourne, Johnathan D"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1648"]
[BlackElo "1957"]
[Annotator "Rudy"]
[PlyCount "90"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. e3 c5 5. c3 b6 6. Nbd2 Bb7 7. h3 (7. Bd3)
7... O-O 8. Be2 d5 9. O-O Nc6 10. Re1 (10. Ne5 {main}) 10... Nd7 11. Bb5 a6 12.
Ba4 (12. Bxc6) (12. Bd3) (12. Bf1 {also played}) 12... b5 (12... Re8 13. Rc1
Rc8 14. Bc2 e5 {Tjornsted-Jessen, Politiken Cup 2000,1/2-1/2}) 13. Bc2 e5 14.
dxe5 Ndxe5 15. e4 (15. Nxe5 Nxe5 16. Nf3 Nc4 17. Rb1 Re8 18. Bd3 $11 {Komodo11}
) 15... d4 16. cxd4 cxd4 17. Nxe5 Nxe5 18. Bxe5 Bxe5 19. Bd3 $11 (19. Nf3 $11)
19... Re8 20. Rf1 (20. Nf3 Bg7 21. a4) 20... Qd6 (20... Bf4 $15) 21. Qe2 f5 $17
(21... Bh2+ 22. Kh1 Bf4 23. a4 bxa4 24. Rxa4 Bxd2 25. Qxd2 Bc6 26. Rc4 Bxe4 $17
{Komodo11}) 22. f3 (22. a4) 22... Bf4 23. Rfe1 Rac8 24. Rad1 Re7 25. a4 bxa4
26. Nc4 Qf6 $19 (26... Qb4 $19) 27. Qc2 Qh4 (27... fxe4 28. fxe4 Qh4 29. Rf1
Qg3 30. Rxf4 Qxf4 31. Rf1 Qg3 $19 {Komodo11}) 28. Qf2 Bg3 (28... Qxf2+ 29. Kxf2
fxe4 30. fxe4 Rf8 31. Kg1 Kg7 $19 {Komodo11}) 29. Qxd4 Bxe1 30. Nd6 Bf2+ (30...
Rd7 31. Bc4+ Rxc4 32. Qxc4+ Kf8 33. Qd4 Qf2+ 34. Qxf2 Bxf2+ 35. Kxf2 fxe4 36.
fxe4 Bxe4 $17 {Komodo11}) 31. Qxf2 Qxf2+ 32. Kxf2 Rb8 (32... Rc6) 33. exf5 Bc6
(33... Kg7) 34. f6 (34. Rd2 Rd7 35. Nc4 Bb5 36. fxg6 hxg6 37. Ne5 Rd5 38. f4
Re8 $17 {Komodo11}) 34... Rxb2+ $19 35. Kg3 Re5 (35... Rd7 $19 36. Nc4 Rb5 37.
Ne3 Rc5 38. Bc4+ Kf8 39. Ra1 Bb5 {Komodo11}) 36. h4 (36. Bc4+ Kf8 37. Nf7 Rd5
38. Bxd5 Bxd5 39. Ne5 $14 (39. Rxd5 Kxf7 40. Ra5 Rb4 41. Rxa6 h5 $11)) (36. Rc1
$1 Rb6 {other moves lose} 37. Nc8 Bb5 38. Nxb6 Bxd3 39. Nxa4 Kf7 40. Nc5 Bf5 (
40... Rd5 41. Nxd3 Rxd3 42. Rc7+ Kxf6 43. Rxh7 $16) 41. Kf4 Kxf6 42. g4 (42. h4
h6 43. g4 g5+) 42... g5+ 43. Kg3 Be6 44. Nxa6 $14 {Komodo11}) 36... Bd5 (36...
Rb8 $17) 37. Rc1 {one move too late & missing another chance} (37. Nc4 $1 Bxc4
38. Bxc4+ Kf8 39. Rd8+ Re8 40. Rd7 Rc8 41. Be6 Re8 42. Rf7+ Kg8 43. Rg7+ Kh8 (
43... Kf8 44. Rg8#) 44. f7 Rbb8 45. fxe8=Q+ Rxe8 46. Rd7 Rxe6 47. Rd4 a3 48.
Ra4 Re3 49. Rxa6 $11 {Komodo11}) 37... Rb8 $19 38. Rc7 Re6 (38... Rd8 $19) (
38... Rf8 $19) 39. f7+ $2 (39. Rg7+ Kf8 (39... Kh8 40. Nf7#) 40. Rf7+ $11 {
repetition}) 39... Kf8 $19 40. Ne4 Re7 (40... a3 41. Ng5 Re7 42. Nxh7+ Kxf7 43.
Ng5+ Kf6 $19) 41. Rc5 Bxf7 (41... Bxe4) 42. Ra5 Rb3 43. Nc5 (43. Bc2 Rb4 44.
Bxa4 Bc4 $19) 43... Rc3 44. Bxa6 Ra7 45. Rxa4 (45. Nxa4 Ra3 $19 {a pin from
both sides}) 45... Rxc5 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "May, Adam J"]
[Black "Andrews, Norman G"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1951"]
[BlackElo "1642"]
[Annotator "Rudy"]
[PlyCount "83"]
[EventDate "2018.??.??"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 c6 5. O-O Bd6 6. d4 O-O 7. Nc3 dxc4 (7...
Nbd7 {main}) 8. Nd2 Nd5 $146 (8... Nbd7) 9. Nxc4 Nxc3 10. bxc3 {but now Wh has
a powerful centre} Bc7 11. a4 a5 12. e4 (12. Ba3) 12... Nd7 13. e5 Nb6 14. Nd2
(14. Nxb6 Bxb6 15. Ba3 Re8 16. Be4 Bc7 17. Qh5 g6 18. Qf3 $16 {Komodo11}) 14...
f5 15. exf6 Qxf6 (15... gxf6 16. Ne4 Kh8 17. Qh5 $16 {Komodo11}) 16. Ne4 Qg6
17. Ng5 (17. f4 {prevents e5 to release the QB}) 17... Qf6 (17... h6 18. Be4
Qe8 19. Nf3 Nd5 20. Qc2 b5 21. axb5 cxb5 22. Ba3 Rf6 23. Bc5 Bd7 24. Rfe1 $16 {
Komodo11}) 18. Be4 (18. Qc2) 18... g6 19. Bd3 Nd5 20. Qc2 (20. Ne4 Qg7 21. Qb3
$16 e5 22. c4 Nb4 23. d5 cxd5 24. cxd5 Kh8 25. Be3 $16 {Komodo11}) 20... Ne7 (
20... e5 $11 {Komodo11}) 21. Ne4 Qg7 22. Ba3 b6 23. Rfe1 $18 Bd7 (23... e5 24.
Ng5 $18) 24. Rab1 (24. Ng5 $18) 24... Nc8 $2 (24... Rfe8 25. Bd6 Bxd6 26. Nxd6
Reb8 27. Bf1 Nd5 28. Bh3 Qf6 29. Re5 $18 {Komodo11}) 25. Bxf8 $18 Qxf8 26. Bc4
(26. Qa2) 26... Ne7 27. Qd2 (27. Ng5) 27... Nd5 28. Qg5 Bd8 29. Qd2 (29. Qg4)
29... Bc7 30. Ng5 Re8 31. Re2 Qh6 32. Rbe1 Nxc3 33. Qxc3 (33. Bxe6+ Bxe6 (33...
Kg7 34. Qxc3 Qxg5 35. Bxd7) 34. Rxe6 Rf8 35. Re8 Nd5 36. Ne6 Bf4 37. Nxf4 Nxf4
38. gxf4 $18 {Komodo11}) 33... Qxg5 34. Bxe6+ (34. Rxe6) 34... Rxe6 35. Rxe6
Bxe6 36. Rxe6 Qg4 37. Qc4 (37. Qxc6) 37... Kf8 38. Rf6+ Ke7 39. Qf7+ Kd8 40.
Qf8+ Kd7 41. Rf7+ Ke6 42. Qc8+ (42. Rxc7 {Komodo11, mating, but why not have
the Q?}) 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Orton, Paul"]
[Black "Waterfield, John W"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1608"]
[BlackElo "1919"]
[Annotator "Rudy"]
[PlyCount "84"]
[EventDate "2018.??.??"]

1. d4 g6 2. Bf4 Bg7 3. Nc3 d6 4. e4 Nd7 (4... Nc6) 5. Nf3 Ngf6 (5... e5) 6. Qd2
a6 (6... O-O 7. O-O-O Nh5 8. Bh6 {Orton-Miller, Dyfed League 2018,1-0}) (6...
c5) 7. a4 $146 {but position has been explored by Cloud Engines} (7. Bh6 {main}
) 7... b6 (7... O-O) 8. e5 Ng4 (8... Nh5 9. Bh6) 9. exd6 (9. Bc4 dxe5 10. Bd5
Rb8 (10... exf4) 11. dxe5 Ndxe5 12. Nxe5 Nxe5 13. O-O-O e6 14. Bxe5 Bxe5 15.
Bc6+ Ke7 16. Qe3 Bd6 17. Ne4 $16 {Komodo11}) 9... cxd6 10. h3 Ngf6 11. Bh6 O-O
12. Bxg7 Kxg7 $11 13. Bd3 e5 14. dxe5 dxe5 15. Ne4 Bb7 $17 {Wh is lagging in
development} 16. Qe2 Nxe4 (16... Nd5 17. O-O Qc7 18. Rfd1 Rfe8 19. c4 Nf4 20.
Qe3 Nc5 $15) 17. Bxe4 Bxe4 18. Qxe4 f5 (18... Nf6 19. Qe3 e4 20. Nd2 Rc8 21. c4
Qd3 22. Qxd3 exd3 23. O-O Rfe8 $15 {Komodo11}) 19. Qe3 (19. Qb7 $11) 19... Qc7
(19... f4 20. Qe4 Nf6 21. Qb4 e4 22. Nd4 Re8 23. O-O-O Qc7 24. Kb1 Rad8 $15 {
Komodo11}) 20. c3 (20. O-O $11 {Komodo11}) 20... Rfe8 (20... f4 21. Qe2 e4 22.
Nd4 Rae8 23. O-O (23. O-O-O Nc5 $17) 23... f3 $15 (23... Nc5 $15 {Komodo11}))
21. O-O Qc5 {cedes most of the advantage as the Wh Q is rather badly placed} (
21... Nc5 $15) 22. Rfe1 (22. Rfd1 Re7 23. Qxc5 Nxc5 24. Rd6 Rb8 25. b4 Ne4 26.
Rc6 $11 {Komodo11}) 22... e4 (22... Qxe3 23. Rxe3 e4 24. Nd4 Ne5 $15 {Komodo11}
) 23. Qxc5 (23. Rad1 Qc7 24. Qd4+ Nf6 25. Ng5 h6 26. Nh7 Kxh7 27. Qxf6 Rad8 28.
h4 $11 {Komodo11}) 23... Nxc5 $15 24. Nd4 Rac8 25. Re2 Kf6 26. g3 Nd3 27. Rd1
Re5 28. f3 {trying relief by exchanges, but goes a valuable pawn down.} exf3
29. Rxe5 Nxe5 30. Kf2 Rd8 $17 31. b3 g5 32. Ke3 g4 $19 33. hxg4 fxg4 34. Rh1
Rd7 (34... Re8 {Komodo11}) 35. Rh6+ Ng6 36. Kf2 Kg5 37. Rh1 Re7 38. Rg1 h5 39.
Rh1 h4 (39... Ne5 40. Rd1 h4) 40. gxh4+ Nxh4 (40... Kf4 $1 {Komodo11}) 41. Rg1
(41. Kg3 Nf5+ 42. Nxf5 Kxf5 43. Rh5+ Ke4 44. Rg5 Ke3 $19 {Komodo11}) 41... Kf4
42. Rh1 g3+ {Wh is in a mating net} (42... g3+ 43. Kf1 (43. Kg1 Re1#) 43... g2+
44. Kg1 Re1+ 45. Kf2 gxh1=Q 46. Ne6+ Rxe6 47. b4 Re2#) 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Morcom, Huw"]
[Black "Probert, Malcolm"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1913"]
[BlackElo "1601"]
[Annotator "Rudy"]
[PlyCount "65"]
[EventDate "2018.??.??"]

1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. Be2 d5 5. Nbd2 (5. e5) (5. Nc3) (5. exd5) 5...
Nh6 6. O-O O-O 7. h3 (7. Re1) 7... f6 8. c4 (8. Re1) 8... dxe4 (8... e6 9. b3
Nd7 10. Bb2 Nb6 11. Qc2 Bd7 12. Rfe1 Nf7 13. Bd3 Re8 14. e5 fxe5 15. dxe5 Nc8
16. Nf1 Ne7 17. N1h2 {Womacka-Schatz, Bayern ch, Bank Hoffmann, Tegernzee 2017,
1-0}) (8... Nf7 9. Qb3 Qb6 10. cxd5 Qxb3 11. Nxb3 cxd5 12. exd5 b6 13. Re1 Rd8
14. Bf4 Bf8 15. Bc7 Rd7 16. Rac1 Ba6 {Georgi-Meyer, Nuremberg op 1990,1/2-1/2})
9. Nxe4 Nf7 10. Be3 Nd7 11. Qd2 e5 12. dxe5 Ndxe5 13. Rad1 Nxf3+ 14. Bxf3 Qxd2
15. Rxd2 f5 $11 (15... Ne5 16. Be2 $14) 16. Nd6 (16. Ng5 Ne5 17. Be2 h6 18. Nf3
Nxf3+ 19. Bxf3 Be6 20. b3 Rfd8 $11 {Komodo11}) 16... Nxd6 17. Rxd6 Be5 (17...
Bxb2 18. Rb1 Be5 19. Rdd1 Bf6 20. Rd6 Be7 21. Rd2 a5 $15 {Komodo11}) 18. Rd2
Be6 $11 19. b3 Kf7 (19... a5) 20. Bc5 Rfe8 21. Rfd1 $14 Bf6 22. Rd7+ {gaining
pawns for the exchange , which is quite difficult for Bl to meet accurately}
Bxd7 23. Rxd7+ Be7 (23... Kg8 24. Rxb7 Re6 25. g3 $14 {Komodo11}) 24. Rxb7 $16
Kf8 25. Bxa7 (25. Bd4 Reb8 26. Bxc6 Rxb7 27. Bxb7 Rb8 28. Bd5 $14 {Komodo11})
25... Rec8 (25... Bd6 26. Be3 (26. a4 Re1#) 26... Rxa2 27. g3 $11 {Komodo11})
26. a4 $18 c5 (26... Rxa7 27. Rxa7 Rb8 28. Bxc6 Rxb3 29. Bd5 $18 {Komodo11})
27. Rxe7 (27. a5) 27... Kxe7 28. Bxa8 Rxa8 29. Bxc5+ Ke6 30. f4 (30. Bb6 $18)
30... Kd7 (30... Rd8 {the R needs to get behind the pawns, but there are too
many of them} 31. a5 Rd2 32. b4 Ra2 33. Bb6 Ra4 34. b5 Rxc4 35. a6 Kd7 36. Ba7
Rxf4 37. b6 $18) 31. Bb6 Kc6 32. a5 Rd8 33. Bxd8 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Hurn, Robert AJ"]
[Black "Taylor, Robert Graham"]
[Result "1/2-1/2"]
[ECO "E87"]
[WhiteElo "1592"]
[BlackElo "1906"]
[Annotator "Rudy"]
[PlyCount "45"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 O-O 6. Be3 Nbd7 7. Nh3 e5 (7... c5
) 8. d5 Nc5 (8... Nh5) (8... Ne8) 9. Nf2 Ne8 (9... a5 {main}) 10. g4 a5 (10...
Qh4 11. Qd2 f5 12. Bg5 {Karpov-Reymann, sim Besancon 1999,1-0}) 11. Qd2 Bd7 (
11... f5 {main}) 12. Nd3 (12. O-O-O Na4 13. h4 Nxc3 14. Qxc3 c6 15. Kb1 a4 16.
h5 {Elsness-Novikov, Manhems op 1998,1-0}) 12... b6 13. Nxc5 (13. h4 $16) 13...
dxc5 14. Bd3 (14. h4 $16) 14... Nd6 (14... Qh4+ 15. Ke2 f5 $11 {Komodo11}) 15.
O-O-O Qe7 (15... f5 16. exf5 gxf5 17. gxf5 (17. Rhg1 e4 18. fxe4 fxg4 19. h3
$14) 17... Bxf5 18. Ne4 Qh4 19. Rhg1 Kh8 20. Bg5 Qh3 21. Rg3 Qh5 22. Rdg1 $16 {
Komodo11}) 16. h4 $16 a4 17. h5 f6 18. hxg6 hxg6 19. Qh2 (19. g5 f5 20. exf5
Bxf5 (20... Rxf5 $5) 21. Ne4 $16 {Komodo11}) 19... Kf7 20. Qg2 Rh8 21. Rxh8
Rxh8 22. Rh1 Qf8 23. Rh2 {(draw?)} 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Moore, Robert"]
[Black "Jansen Van Rensburg, Leon"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1840"]
[BlackElo "1528"]
[Annotator "Rudy"]
[PlyCount "75"]
[EventDate "2018.??.??"]

1. Nf3 d6 2. d4 Nf6 3. Nbd2 g6 4. e4 Bg7 5. Bd3 Nbd7 6. O-O O-O 7. c3 e5 8.
dxe5 (8. Re1) 8... Nxe5 (8... dxe5) 9. Nxe5 dxe5 10. Qe2 (10. Nc4 {main}) 10...
a6 $146 {might not be relevant to the Bl setup here} (10... Nh5) (10... Qe7) (
10... c6) 11. Rd1 Qe7 12. Nf1 b5 (12... Be6 {d5 needs to be controlled to
prevent a Wh N getting there}) 13. f3 (13. a4 $14) 13... Be6 14. Be3 c5 (14...
c6) 15. b3 (15. c4 $14 {Komodo11; Wh can get a N to d5 quicker than Bl can get
one to d4}) 15... Rac8 16. c4 b4 17. a3 a5 18. axb4 axb4 19. Qf2 (19. Bg5 $14 {
releases e3 for the N}) 19... Nd7 20. Ra7 Qd6 (20... Ra8) 21. Bc2 Qc6 22. Rda1
Ra8 $11 23. Rxa8 (23. Qd2) 23... Rxa8 24. Rxa8+ Qxa8 25. Bxc5 (25. g4 Bf8 26.
h4 Qa7 $11 {Komodo11}) 25... Nxc5 26. Qxc5 Qa2 (26... Bf8 $1 {Komodo11} 27. Qb6
(27. Qxe5 Qa7+ 28. c5 (28. Kh1 Qf2 29. Qa1 Qxc2 $19) 28... Bxc5+ 29. Kh1 Bf8
30. Qg5 Qf2 31. Qc1 Bc5 32. Ng3 Bh3 $1 33. Qf1 Qxc2 34. gxh3 Qxb3 $19) 27...
Qa1 28. Qf2 h5 29. h3 Qc3 30. Kh2 h4 31. Bd1 Be7 $15 {Bl has plenty of
compensation for the pawn on the bl squares. Wh's extra pawn can't move & his
Bl is bad}) 27. Qf2 Bxc4 {precipitous, better prepared slowly} (27... Bf8 $17)
28. bxc4 b3 29. Bd3 $14 b2 $2 (29... Bf8 30. Qe1 Qb2 31. Kh1 Qd4 32. Qd1 b2 33.
h3 $16) 30. Qc2 $18 {the pawn is blocked and the 2 Bl pieces have little
mobility} Bh6 (30... Qa7+ 31. c5 Bf8 32. Kh1 Bxc5 33. Qxb2 Bd4 34. Qb5 $18) 31.
c5 Qa1 32. Qb1 (32. c6) 32... Bc1 33. Kf2 Qa5 34. Qc2 Kf8 35. c6 Qc7 36. Qc5+
Ke8 37. Ne3 Kd8 38. Qf8# 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.16"]
[Round "1"]
[White "Jones, Dewi"]
[Black "Haigh, Tony"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "1512"]
[BlackElo "1799"]
[Annotator "Rudy"]
[PlyCount "33"]
[EventDate "2018.??.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 c6 5. Bc4 (5. Be2) (5. c4) 5... Bg4 6. Bf4
$2 (6. h3) (6. O-O) 6... Nxf4 $19 7. Bxf7+ {lets have some fun while it lasts}
Kd7 (7... Kxf7 8. Ng5+ Kg8 9. Qxg4 dxe5 10. Qf5 Qe8 11. Qxe5 h6 12. Qxf4 hxg5
13. Qxg5 e5 {Komodo11; a bit hair-raising, but should be sufficient to win}) 8.
h3 Bxf3 (8... Nxg2+ 9. Kf1 Bxf3 10. Qxf3 Nh4 11. Qg4+ e6 12. Bxe6+ Kc7 {
Komodo11- The Bl K is safe, the Wh one is less so}) 9. Qxf3 Qa5+ {helps Wh
develop} (9... dxe5 10. g3 Nd5 11. dxe5 Qa5+ 12. c3 Kc7 13. O-O Nd7 14. e6 Ne5
15. Qe2 Nb6 16. Re1 Nxf7 17. exf7 Qf5 {Komodo11; and the Bl pieces will
gradually emerge}) 10. Nc3 $11 (10. Nd2 Nd5 11. c4 Nc7 12. a3 $11 {Komodo11})
10... Nd5 (10... dxe5 11. O-O-O Kc7 12. dxe5 g5 13. g3 Ng6 14. Qf5 Bg7 15. Bxg6
hxg6 16. Qf7 Bf8 (16... Bxe5 17. Qxe7+ Kb6 18. Rd3 $18) 17. Qe8 b6 18. Kb1 Qxe5
19. Rhe1 Qf6 20. Rd8 Kb7 21. Nd5 $1 cxd5 22. Rxb8+ Rxb8 23. Qd7+ Ka8 24. Qxd5+
Rb7 25. Qd8+ $11 {repetition; Komodo11}) 11. Bxd5 (11. Qf5+ Kc7 12. Bxd5 cxd5
13. exd6+ exd6 14. O-O Nc6 15. b4 Nxb4 16. a3 Nc6 17. Nxd5+ Kd8 18. Rab1 $16 {
Komodo11}) 11... cxd5 12. O-O-O (12. exd6 Na6 13. O-O Kxd6 (13... e6 14. Qf7+
Kxd6 15. Rfe1 Nc7 16. a3 $11 Re8 17. b4 Qb6 18. Nxd5 exd5 19. Rxe8 Nxe8 20.
Qxe8 Qc6 21. Qb8+ Qc7 22. Qe8 Qd7 23. Qb8+ {repetition}) 14. b4 Nxb4 15. Rfb1
Rd8 16. a3 Nc6 17. Rb5 $18 {Komodo11}) 12... Nc6 13. Nxd5 (13. exd6 e6 14. Qf7+
Kxd6 15. Rhe1 Nd8 16. Qe8 Kc7 17. Kb1 Rc8 18. Nb5+ Kb8 19. Nd6 Rxc2 20. Kxc2
Qc7+ 21. Nc4 g6 22. Kb1 dxc4 23. Rc1 Bg7 $17 {Komodo11; the Bl pieces are
emerging}) 13... Re8 (13... Qxa2 $1 14. exd6 g6 15. dxe7 Bh6+ 16. Ne3 Rhc8 $19
{Komodo11}) 14. Qf5+ (14. Qf7 $14 Nb4 15. Nxb4 Qxb4 16. Rd3 Rc8 17. Rb3 Qc4 18.
Rxb7+ Kd8 19. Qxc4 Rxc4 20. exd6 exd6 21. Re1 $14 {Komodo11}) 14... e6 $19 15.
Qf7+ Kd8 (15... Be7 $1 $19 {gets Bl's pieces moving} 16. Nc3 (16. exd6 Qxd5 17.
dxe7 Rxe7 $19) 16... d5 $19 {Komodo11}) 16. Qxb7 Qxd5 17. Qa8+ {(draw?)}
1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Van Kemenade, Rudy"]
[Black "Turner, Matthew J"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1981"]
[BlackElo "2536"]
[Annotator "Rudy"]
[PlyCount "34"]
[EventDate "2018.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. h3 (6. O-O Bb6 7. h3 h6 8.
a4 O-O 9. Re1 a6 10. Nbd2 Ne7 11. a5 Ba7 12. Bb3 Ng6 13. d4 Re8 14. Bc2 Nh5 15.
Nf1 Qf6 {Arakhamia-Grant vs Turner, 4NCL Open, Coventry 2017,1/2-1/2}) 6... Bb6
7. Bb3 h6 (7... Ne7 8. Nbd2 Ng6 9. Nc4 O-O 10. O-O h6 11. Re1 {main}) 8. Nbd2 {
scores better for Wh than here} (8. O-O) 8... O-O (8... Ne7) (8... Be6) 9. Nf1
(9. Nc4 Be6 {considered by both & pm analysis} 10. O-O {74% for Wh}) 9... Nh5
$146 (9... Be6 10. Ng3 {78% for Wh}) (9... d5 10. Qe2 {75% for Wh}) 10. g4 {
not expected by Bl} Nf4 11. Ng3 {improving the position of the N first} (11.
Bxf4 exf4 12. d4 Re8 13. Qe2 a5 14. a4 Ne7 15. N1d2 Ng6 16. O-O-O $11 {Komodo11
}) 11... Be6 12. Bc2 (12. Bxf4 exf4 13. Nh5 g6 14. Nxf4 Qf6 15. Ng2 Ne5 16.
Ngh4 Rae8 17. Qe2 $11 {Komodo11}) (12. Nf5 d5 13. Bxf4 exf4 14. exd5 Bxf5 15.
gxf5 Re8+ 16. Kd2 Ne7 17. d4 Nxf5 18. Qc2 g6 19. Rag1 $14 {Komodo11}) (12. d4
Bxb3 13. axb3 Re8 14. Kf1 a5 15. Bxf4 exf4 16. Nh5 Rxe4 17. Nd2 Re8 18. Kg2 d5
19. Nxf4 Qd6 20. Nd3 $11 {Komodo11}) 12... Re8 (12... d5 $15 13. Nxe5 (13. exd5
Qxd5 14. Ne4 Rad8 15. Bxf4 exf4 16. d4 Na5 17. O-O f5 18. gxf5 Bxf5 19. Re1
Rde8 (19... Bxh3 20. b4 $16) 20. Nfd2 Kh8 21. Qf3 $11 {Komodo11}) 13... Qf6 14.
Qf3 Nxd3+ 15. Bxd3 Nxe5 16. Qxf6 Nxd3+ 17. Kd2 gxf6 18. Kxd3 Bxf2 19. Nh5 dxe4+
20. Kxe4 Kh7 21. Nxf6+ Kg6 22. Rf1 Bh4 23. Nd5 Bxd5+ 24. Kxd5 Rad8+ 25. Kc4
Rfe8 26. Bf4 Re4+ 27. Kb3 Rd3 28. Bxc7 Rxh3 29. Rad1 $11 {Komodo11}) 13. Bxf4
exf4 14. Ne2 (14. Nh5 $11 {Komodo11} Ne5 (14... d5 15. O-O Qd6 16. Bb3 dxe4 17.
dxe4 Qxd1 18. Bxd1 Bc4 19. Re1 Ne5 20. Nxe5 Rxe5 21. Nxf4 Rd8 22. Bb3 Bxb3 23.
axb3 Rd2 24. Re2 Rxe2 25. Nxe2 Rxe4 26. Ng3 Rf4 27. Rf1 $11) 15. d4 Nxf3+ 16.
Qxf3 c5 17. Ba4 Re7 18. dxc5 dxc5 19. Nxf4 (19. Qxf4 Bc7 20. Qe3 $11) 19... Qd6
20. Bc2 $11) 14... Ne5 15. Nxf4 $2 {based on a miscalculation} (15. Nfd4 Qh4
$19 {Matthew}) (15. Ned4 {considered & lengthy pm analysis} Nxf3+ $17 16. Nxf3
d5 17. e5 d4 18. c4 (18. Ba4 c6 19. Bb3 dxc3 20. bxc3 Ba5 21. Rc1 Bxb3 22. axb3
Bc7 23. d4 f6 24. O-O fxe5 25. dxe5 Bxe5 $15 {Komodo11}) 18... f5 $1 19. gxf5
Ba5+ 20. Kf1 Bxf5 $17 {Komodo11 & pm analysis, but position not all that
clearcut in followup lines considered}) 15... Qf6 16. Nxe5 (16. d4 Nxf3+ 17.
Qxf3 g5) 16... dxe5 {missed by Wh} 17. Nxe6 Qxf2# 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Miles, Richard"]
[Black "Jones, Iolo C"]
[Result "0-1"]
[ECO "E03"]
[WhiteElo "1960"]
[BlackElo "2206"]
[Annotator "Rudy"]
[PlyCount "136"]
[EventDate "2018.??.??"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O c5 6. Nc3 d5 (6... Be7 {main})
7. d4 (7. cxd5) 7... dxc4 (7... Be7) 8. Qa4+ Nbd7 9. Qxc4 (9. Bg5) (9. Rd1)
9... Qc8 {rare} (9... a6) (9... Rc8) 10. Rd1 (10. Bg5 cxd4 11. Qxd4 Bc5 12. Qh4
a5 13. Rac1 Bc6 {Mustelin-Tervaniemi,FIN ch tm 1996,1/2-1/2}) 10... cxd4 (10...
a6 11. dxc5 (11. a4 Be7 12. Bf4 {Miles-Karpov, Linares 1983, draw agreed})
11... Bxc5 12. Qh4 O-O 13. Bf4 Bc6 14. Ne5 Bxg2 15. Nxd7 Nxd7 16. Kxg2 Qc6+ 17.
f3 Nf6 18. Rac1 Be7 19. Bg5 {De Jager-Erwich, Haarlem Masters 2015,1-0}) 11.
Qxc8+ Rxc8 12. Nxd4 Bxg2 13. Kxg2 a6 14. Nb3 {retreats a wellplaced piece} (14.
Bg5 Bc5 15. Rac1 Ke7 16. Nf3 Rhd8 17. Ne4 h6 18. Bxf6+ Nxf6 19. Rxd8 Kxd8 20.
Nxc5 Rxc5 21. Rxc5 bxc5 22. Ne5 Nd7 23. Nc4 $14 {Komodo11}) (14. a4 Bb4 15. Na2
Be7 16. f3 O-O 17. e4 Rfd8 18. Be3 Ne5 19. b3 Ba3 20. Rd2 $1 $11 {Olaizola
Ortega-Sanz Rodero, Basque ch tm , Bergara 2012,1-0}) 14... Be7 (14... Bb4 15.
Bd2 Ke7 $11) 15. Bf4 (15. Be3) 15... e5 16. Be3 $14 Ng4 17. Bc1 (17. Nd5 Nxe3+
18. Nxe3 f6 19. Rac1 Rxc1 20. Rxc1 Kf7 21. Rc7 Ke6 22. Rc6+ Kf7 23. Nd5 $16 {
Komodo11}) 17... Ngf6 (17... f5 $11) 18. Be3 Rc6 19. Rac1 $16 Bd8 20. Nd5 {
helps Bl a little by swapping off some pieces} (20. Ne4 $1 Rxc1 21. Nd6+ Kf8 (
21... Ke7 22. Nf5+ Ke8 23. Nxc1 $16) 22. Rxc1 Nd5 23. Bd2 $16 {Komodo11}) 20...
Rxc1 21. Nxf6+ Nxf6 22. Rxc1 (22. Nxc1 Bc7 23. Nd3 a5 24. f3 Ke7 25. a4 $14 {
Bl will have a bit of difficulty with his B}) 22... Kd7 $11 23. h3 (23. f3)
23... Nd5 24. Bd2 Be7 25. a3 {creates a weakness} (25. Kf3 Rd8 26. e4 Nb4 27.
Bxb4 Bxb4 28. a3 {fine now the N has gone} Be7 29. Nd2 b5 30. Nf1 Rc8 31. Rxc8
Kxc8 32. Ne3 Bc5 33. Nf5 $11 {Komodo11}) 25... a5 (25... f5 26. f3 f4 27. Kf2
Rf8 28. Rc4 $11 {Komodo11}) 26. Kf3 (26. e4 Nf6 27. f3 a4 28. Na1 Rb8 29. Nc2
Rc8 30. Bc3 Ke6 31. Rd1 Rd8 $11 {and the Wh pieces are slightly better placed
than the Bl ones}) 26... a4 (26... f5 27. e4 fxe4+ 28. Kxe4 Nf6+ 29. Kxe5 Bd6+
30. Kd4 a4 31. Na1 Bc5+ 32. Kc4 Bxf2 33. Kb5 Bxg3 34. Kxa4 $11 {Komodo11}) 27.
Na1 (27. e4 Nc7 28. Na1 Ne6 29. Be3 Rc8 30. Rxc8 Kxc8 31. Bxb6 Ng5+ 32. Ke2 (
32. Ke3 Kb7 $17) 32... Nxe4 $11 {Komodo``}) 27... b5 28. Nc2 (28. e4 Nb6 29.
Nc2 Rc8 30. Bc3 Nc4 31. Ne3 $11 {Komodo11}) 28... Rc8 29. Ne3 $6 {the Wh
pieces now enter a period of inferior placement} (29. e4 $1) 29... Rxc1 30.
Bxc1 Nb6 $11 {Wh can make good use of his N to defend against K invasions} (
30... Nxe3 $1 {[%eval 0,0] Komodo11. Wh has now an inferior} 31. Bxe3 Kc6 32.
Ke4 b4 (32... f5+ 33. Kd3 (33. Kxf5 Kd5 34. Kg4 Kc4 $19) 33... Kd5) 33. axb4
Kb5 34. Kd3 (34. Kxe5 Bf6+ $19) 34... Kxb4 35. Kc2 Bc5 36. Bd2+ Kc4 37. f3 Bb4
38. Be3 f5 $15 {Komodo11}) 31. Ke4 Ke6 32. Kd3 Bc5 33. Kc3 {removes the K from
the centre} (33. f3 f5 34. Nd1 Kd5 35. Nc3+ Kc6 36. e4 $11 {Komodo11}) 33... f5
$15 (33... e4 $15) (33... Nd5+ 34. Nxd5 Kxd5 35. f3 f5 $15) 34. Nd1 Nd5+ 35.
Kc2 Kd6 (35... e4 36. f3 Bd6 37. fxe4 fxe4 38. g4 Bc5 39. Bd2 Bd4 $15) 36. Kd3
e4+ 37. Kc2 Bd4 38. b3 Bc5 39. e3 (39. f3 {preferred by Komodo11 & Stockfish9}
Ke6 $15) 39... Kc6 40. Nc3 Nb6 (40... Nxc3 41. Kxc3 h5 $17 {both Engines}) 41.
Ne2 $11 {both Engines} axb3+ 42. Kxb3 Nc4 43. h4 (43. Nd4+ Bxd4 44. exd4 $11)
43... g6 (43... Na5+ 44. Kc3 g6 45. Nd4+ Kb6 $15 {Komodo11}) 44. Bb2 (44. Nd4+
Bxd4 (44... Kb6 45. Nxb5 Kxb5 46. a4+ Ka5 47. Kxc4 Bb4 48. Bb2 Kxa4 49. Bc3 $11
) 45. exd4 $11 {Komodo11}) 44... Nd2+ $15 (44... Nxb2 45. Kxb2 Bb6 $17 {Wh has
vulnerable pawns on the K side} 46. Kc2 Ba5 47. Nc3 Kc5) 45. Kc2 Nf3 46. Nf4
Bd6 47. Nh3 Kd5 $17 {the Wh pieces (passively placed)are unable to protect
their pawns against Bl entry} 48. Kb3 Nd2+ 49. Kc2 Nc4 50. Kb3 (50. Bc3 Nxa3+
51. Kb3 Nc4 52. Ng5 h6 53. Nf7 h5 54. Nxd6 (54. Nh8 b4 $19 55. Bxb4 Bxb4 56.
Kxb4 Ne5 {and the Wh N is trapped}) 54... Nxd6 $19 {Komodo11}) 50... Nxb2 $19
51. Kxb2 Kc4 52. Ng5 Be7 (52... Kd3 {simpler}) 53. Ne6 Kd3 54. Nf4+ Kd2 55. Nd5
Bd6 (55... Bc5) 56. Kb3 Ke1 57. Nc3 Kxf2 58. Nxb5 Bc5 (58... Bxg3) 59. a4 Bxe3
(59... Kxe3 60. Kc4 Bb6 61. Na3 Kf3 {[%eval 0,0] Komodo11, there are many ways
to win, the a pawn is no threat for a}) 60. a5 Kxg3 61. Kc4 f4 (61... Ba7 $1 {
is a Komodo11 & Stockfish9 tease, & the best it seems} 62. Nxa7 e3 63. Kd3 Kf2
64. Nc6 e2 $19) 62. Nd4 Bxd4 (62... f3 63. Nc2 Ba7) 63. Kxd4 e3 64. a6 e2 65.
a7 e1=Q 66. a8=Q Qe3+ {[%emt 0:00:23] Stockfish9 has mate in 17 ready, it
takes Komodo11 a little to decide on mate in} 67. Kc4 f3 68. Qa1 f2 (68... Qe2+
{mates a bit quicker}) 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Bourne, Johnathan D"]
[Black "James, David J"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1957"]
[BlackElo "2119"]
[Annotator "Rudy"]
[PlyCount "28"]
[EventDate "2018.??.??"]

1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. Nge2 e6 6. O-O d5 (6... Nf6 {main})
7. exd5 exd5 (7... b4 8. Na4 Bxd5 {every result in 3 games}) 8. d4 $18 {
Komodo11 & Stockfish9} b4 (8... Nf6 9. Bg5 b4 10. Bxf6 gxf6 11. Na4 c4 12. Nf4
{Gdanski-Wachinger, EU ch blitz, Katowice 2017,1-0}) (8... c4 9. Nf4 Nf6 10.
Nh5 Ne4 11. Re1 g6 12. Nf4 Be7 13. Ncxd5 {Gdanski-Narva, EU ch blitz 2017,1-0})
9. Na4 c4 10. Re1 Be7 11. b3 (11. Nf4 Nf6 12. Nc5 Bc8 (12... Ra7 13. Nce6 (13.
Qe2 {Komodo11 initial, then gets to same variations}) 13... fxe6 14. Nxe6 Qb6
15. Nxg7+ Kd8 16. Re6 Bc6 17. Nf5 $18) 13. Nxd5 Nxd5 14. Qh5 $18 {Stockfish9})
(11. Nc5 Bc8 12. b3 cxb3 13. c4 Nf6 14. cxd5 Ra7 15. Bf4 Bg4 16. Qxb3 $18 {
Stockfish9}) 11... cxb3 12. axb3 (12. Nc5 $18 {Stockfish9}) (12. c4 $18 {
Komodo11}) 12... Nf6 13. c4 bxc3 14. Nexc3 O-O {Draw agreed} (14... O-O 15. Nc5
$16 {both Engines} (15. Rxe7 Qxe7 16. Ba3 Qd8 17. Bxf8 Kxf8 18. Nc5 $16 {both
Engines})) 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "May, Adam J"]
[Black "May, Frank"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "1951"]
[BlackElo "2096"]
[Annotator "Rudy"]
[PlyCount "69"]
[EventDate "2018.??.??"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 c6 (6... c5) (6... b6
{main lines}) 7. Bb2 Nbd7 8. d3 (8. d4 {transposes to a Catalan}) 8... Re8 9.
Nbd2 Bf8 10. Qc2 a5 (10... e5 {main}) 11. a3 (11. e4 dxe4 12. Nxe4 Nxe4 13.
dxe4 e5 14. Ne1 Nc5 15. Bc3 Qb6 16. h3 f6 17. Kh1 Be6 18. f4 exf4 19. gxf4 Rad8
{Karatorossian-Pashikian, ARM ch, Yerevan 2007,0-1}) 11... b5 (11... Nc5 12.
Rad1 (12. Rfb1 b6 13. b4 axb4 14. axb4 Na6 15. Qb3 {Schoepf-Weimer, Ruhrgebiet
Regionalliga 2009,1/2-1/2}) 12... b5 13. Ne5 Bb7 14. d4 Ncd7 15. Ndf3 Nxe5 16.
dxe5 Nd7 17. h4 bxc4 18. bxc4 Ba6 19. cxd5 cxd5 20. Rb1 Rc8 {Vorobiev-Ergeshov,
Baykal op, Irkutsk 2015,0-1}) 12. e4 {Komodo11} (12. Bc3 Bb7 13. b4 bxc4 14.
dxc4 axb4 15. axb4 c5 16. b5 d4 17. Bb2 e5 18. Nb3 Be4 19. Qd2 Nb6 20. Na5 Qd7
21. Rfc1 h6 {Uksini-Pretterhofer, Styrian op, Bad Gleichenberg 2013,0-1}) 12...
bxc4 13. bxc4 dxe4 14. dxe4 e5 15. Rfe1 Qc7 16. h3 Rb8 17. Bc3 Nc5 18. Rab1
Rxb1 19. Rxb1 Nfd7 20. Bf1 Bd6 21. Kg2 $15 {(draw?)} Qd8 (21... Rd8 $15) (21...
f6 $15) 22. Rd1 a4 (22... Bc7 $15) 23. Be2 Qe7 24. Nh4 g6 25. Nhf3 h6 26. Bb2
Kh7 27. Bc3 Qe6 (27... Nf8 28. Bb2 Bc7 $15 {Komodo11}) 28. Kh2 Bf8 (28... Nb3
29. Bf1 Ndc5 30. Bb4 Qe7 $15 {Komodo11}) 29. Bf1 Bg7 30. Bb2 (30. Bb4 $11)
30... Qe7 31. Bc3 Qd8 32. Bb4 Qc7 33. Bc3 Nf8 34. Rb1 Nfe6 35. Qb2 (35. Qb2 f6
36. Qb6 Qxb6 37. Rxb6 Bd7 38. Kg2 Bf8 $15 {Komodo11 & Stockfish9}) 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Waddington, Mike P"]
[Black "Morcom, Huw"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2086"]
[BlackElo "1913"]
[Annotator "Rudy"]
[PlyCount "91"]
[EventDate "2018.??.??"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. b4 c6 6. Rb1 d5 7. cxd5 cxd5 8. d4
(8. Nf3 {2 draws, 2 losses}) 8... Bf5 9. Rb3 Nc6 10. Nf3 Ne4 (10... Qb6 11. O-O
Rfd8 12. e3 Rac8 13. Ba3 e6 14. Nh4 Bf8 15. Nxf5 exf5 16. Qb1 Ne4 17. Nxe4 fxe4
18. Rc1 {Goldie-Novy, EU ch U12, Mureck 2012,1-0}) 11. a3 (11. Na4 Qe8 12. O-O
Rd8 13. Nb2 Nd6 14. e3 Be4 15. Nd3 Bxd3 16. Qxd3 b5 17. h4 Nc4 18. h5 {
Barreras-Diaz, Capablanca mem, Camaguey 1974, 1/2-1/2}) 11... Rc8 (11... a5 12.
Na2 axb4 13. Nxb4 Na5 14. Rd3 Rc8 $17 {Komodo11 & Stockfish9}) 12. Bb2 a5 (
12... Nd6 $15 {both Engines}) 13. O-O axb4 14. axb4 Nxb4 (14... Nxc3 15. Bxc3
Na7 16. b5 Qd7 17. b6 Nb5 18. Qd2 Nxc3 19. Rxc3 Qb5 $15 {Komodo11}) 15. Nxe4
dxe4 16. Rxb4 exf3 17. Bxf3 $14 Qa5 (17... b6 18. Qb3 Bc2 19. Qa3 Qd6 20. Ra1
Rfd8 21. d5 $14 {Komodo11}) 18. Rxb7 $16 Bc2 19. Qa1 Qd8 20. Rc1 $18 (20. d5
$18) 20... e6 21. Qa7 g5 22. e3 (22. Rd7) 22... Bf5 23. Rxc8 Qxc8 24. Ba3 (24.
Rc7 Qb8 (24... Qe8 25. Bh5 $18) 25. Rxf7 Qxa7 26. Rxa7 $18 {Komodo11}) (24. h3
Bxh3 25. Ba3 $18 {Komodo11}) 24... Bh3 (24... Qc3 $11 25. Bxf8 Qe1+ 26. Kg2 Bd3
27. Kh3 Bf5+ 28. Kg2 (28. g4 Qxf2 29. Bd1 Be4 30. Bxg7 Qg2#) 28... Bd3 $11 {
Komodo11 & Stockfish9}) 25. Rc7 $18 (25. Bc5 $18) 25... Qb8 26. Qb7 (26. Bg2
$18) 26... Qxb7 27. Bxb7 Rb8 28. Bc5 (28. f3 $18) 28... h6 29. f3 $18 Bf5 30.
e4 Bg6 31. Kf2 Rd8 32. Ke3 Bf6 33. f4 Rb8 34. Rc8+ Rxc8 35. Bxc8 Bd8 36. Bb7 (
36. f5 exf5 37. Bxf5 {Komodo11}) 36... f6 37. e5 (37. Bc8) 37... Kf7 38. d5
exd5 (38... gxf4+ 39. gxf4 fxe5 40. fxe5 exd5 {Komodo11- minimizes the number
of pawns}) 39. Bxd5+ Ke8 40. e6 Be7 41. Bc6+ Kf8 42. Bb6 (42. Bd4) 42... Bf5
43. Bd7 gxf4+ 44. Kxf4 Bh3 45. Ke4 Bb4 $2 46. e7+ 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Waterfield, John W"]
[Black "Heap, Gerry"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "1919"]
[BlackElo "2086"]
[Annotator "Rudy"]
[PlyCount "108"]
[EventDate "2018.??.??"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 cxd4 (4... Qa5) (4... Nc6 {alternatives})
5. Nxd4 Nc6 6. Be3 d6 7. Be2 Nf6 8. f4 (8. O-O) (8. Qd2) (8. Nb3) 8... O-O 9.
Nb3 Be6 10. g4 {the Rabinovich attack} Na5 {best, according to Levy} 11. g5 (
11. f5 Bc4 {causes Bl few difficulties, according to Levy}) 11... Nd7 12. Bd4
Nxb3 (12... f6 $1 {main, recommended by Levy, as Wh's K is still in the centre}
13. h4 fxg5 14. Bxg7 Kxg7 15. f5 {& now Boleslavsky gives} Qb6 $1 {endorsed by
Levy 1981}) 13. axb3 Bxd4 14. Qxd4 Qb6 15. Qxb6 $16 {Stockfish9; main} (15. Qd2
{Komodo11; is what Levy recommends, indicating that Bl has no counter to the
attack along the h file}) 15... Nxb6 16. O-O a6 (16... Bh3 $11 17. Rf3 Bg4 18.
Rf2 Bxe2 19. Rxe2 f6 20. gxf6 Rxf6 21. Rf1 Raf8 $11 {Gutierrez-Oblitas
Guerrero, PER ch, Lima 2002,1-0}) (16... f5 17. Bf3 fxe4 18. Bxe4 d5 19. Bg2
$16 {Waterfield-Brown, WLS ch 2017,109}) 17. f5 (17. Rad1 Rac8 18. Rd2 (18. f5
$16) 18... Kg7 19. Nd5 Bxd5 20. exd5 f6 21. Bg4 f5 22. Bf3 $11 {
Hinrichs-Gollasch, Hamburg St Pauli op 2011,1/2-1/2}) 17... Bd7 18. Rad1 (18.
f6 exf6 19. gxf6 Bc6 20. Rad1 Rad8 21. Rd4 $11 {Rantanen-Loenn, Norrkoeping op
2010,1-0}) 18... gxf5 (18... f6 $11 {Stockfish9}) 19. exf5 (19. Rd4 $11) 19...
f6 20. gxf6 Rxf6 $11 21. Bf3 (21. Bd3) 21... Bxf5 $15 22. Bxb7 Bxc2 23. Rxf6
Bxd1 24. Rf4 (24. Bxa8 exf6 {Bl's centre pwns are split, better than in game
coninuation for Wh} 25. Bb7 Bxb3 26. Bxa6 Kg7 27. Bd3 $11 {Komodo11}) 24... Ra7
25. Bxa6 Bxb3 26. Rb4 (26. Bd3) 26... Rxa6 27. Rxb3 d5 $17 28. Kf2 Kf7 29. Nb5
Nc4 30. Nc7 Rf6+ 31. Ke2 Rh6 (31... e6) 32. h3 (32. Nxd5 Rxh2+ 33. Kd3 Nxb2+
34. Kd4 $17 {and Wh is 2 pawns down}) 32... e6 $19 33. Rf3+ Ke7 34. b4 d4 (
34... Kd7 35. Nb5 Rh4) 35. b5 e5 36. Nd5+ (36. Rb3 Nb6 37. Ra3 Kd7 38. Ra7 Nc8
39. Ra6 Nd6 40. Nd5 Rxh3 41. Nf6+ Ke7 42. Nd5+ Ke6 43. Nf6 Kxf6 44. Rxd6+ Kf5
45. b6 Rb3 $19) 36... Ke6 37. Nc7+ Kd6 38. Na6 e4 39. Rg3 Rf6 (39... d3+) 40.
Nb4 Kc5 (40... Rg6) 41. Rb3 Rg6 42. Ke1 Kxb5 (42... Ne3 43. Na6+ Kc4) 43. Nd3+
Kc6 44. Rb4 exd3 (44... Rg1+ 45. Ke2 (45. Kf2 exd3 46. Kxg1 d2 47. Rb1 Ne3)
45... Rg2+ 46. Ke1 Rc2 47. Nf2 Rc1+ 48. Nd1 (48. Ke2 d3+ 49. Nxd3 Rc2+ 50. Kf1
exd3 $19) 48... Ne3 49. Rxd4 Rxd1+ 50. Rxd1 Nxd1 51. Kxd1 Kd5 $19 {Komodo11})
45. Rxc4+ Kd5 {the doubled pawns create a bit of technical difficulty ibn
providing the K with shelter from R checks} 46. Rc7 (46. Rc8 {as far away as
possible} Rg2 $19 47. Rd8+ Ke4 48. Re8+ Kf4 49. Rf8+ Kg3 50. Rg8+ Kxh3 51. Rh8
Rg7 52. Kd2 Kg4 53. Kxd3 h5 54. Kxd4 h4 $19) 46... Rg1+ (46... Rh6 $19) 47. Kd2
Rg2+ 48. Kd1 h5 $17 49. Rd7+ (49. Rh7 Rg5 50. h4 Rf5 51. Kd2 Ke4 52. Re7+ Kf3
53. Kxd3 Rf4 $19 {Lomonosov tablebases}) 49... Ke4 50. Re7+ Kf3 51. Rd7 d2 (
51... h4 52. Rxd4 $2 Ke3 {threatens the R & mate}) 52. Rxd4 Ke3 53. Rd8 Rg1+
54. Kc2 Rc1+ 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Moore, Robert"]
[Black "Young, Alan"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1840"]
[BlackElo "2036"]
[Annotator "Rudy"]
[PlyCount "105"]
[EventDate "2018.??.??"]

1. Nf3 d5 2. d4 Nf6 3. e3 Bg4 4. Bd3 (4. c4) 4... e6 5. O-O Nbd7 6. Nbd2 c6 7.
Qe2 (7. b3) (7. c3 {more frequent}) 7... Bd6 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 (
10. Qxe4 Nf6 11. Qe2 Qc7 12. h3 Bh5 13. c4 O-O-O 14. Rd1 Rhe8 {Ligart-Kotan,
SVK ch 2005,0-1}) 10... Nf6 11. Bg5 (11. Bd3 Qc7 12. h3) 11... h6 (11... Qc7
12. h3 Nxe4 13. hxg4 Nxg5 14. Nxg5 O-O-O $15 {Komodo11}) 12. Bxf6 Qxf6 13. c3
O-O 14. h3 Bh5 15. Rfe1 $11 a5 16. a4 Rfd8 17. g4 Bg6 18. Kg2 Rd7 19. Bxg6 Qxg6
20. Ne5 (20. Qe4 $11) 20... Bxe5 21. Qxe5 Rd5 (21... Qc2 22. Re2 Qb3 23. Rd2
$11) 22. Qe4 Qxe4+ 23. Rxe4 Rad8 24. Rae1 b5 25. axb5 (25. Kg3 Kf8 26. Ra1 Ke7
27. axb5 Rxb5 28. Re2 $11) 25... cxb5 26. Kf3 Kf8 27. Ke3 Rc8 28. Kd3 Ke7 29.
Re5 Kd6 30. f4 g5 31. f5 Rxe5 32. Rxe5 Rb8 33. fxe6 fxe6 34. Rc5 a4 35. Re5 b4
36. c4 (36. Ra5 a3 37. b3 bxc3 38. Kxc3 Rc8+ 39. Kd3 Rc1 40. Rxa3 Rd1+ 41. Kc2
Rh1 42. b4 Rh2+ 43. Kc1 Kc6 44. Re3 Kb5 45. Rxe6 Rxh3 46. Kc2 Kxb4 47. d5 Kc5
48. d6 Kc6 49. Rg6 $11 {Komodo11}) 36... a3 37. Ra5 (37. c5+ Kd7 38. b3 Rf8 39.
Kc4 Rf3 40. Re2 Rxh3 41. Kxb4 Rd3 42. Kc4 Rg3 43. Ra2 e5 44. Rxa3 Rxg4 45. Kb5
exd4 46. b4 $18 {Komodo11 ; the Wh pawns are more advanced}) 37... axb2 38. Kc2
Rc8 39. Ra6+ Ke7 40. c5 Rd8 (40... e5 $11 {Komodo11}) 41. Ra7+ Kf8 42. Rh7 Rxd4
43. Rxh6 Kf7 44. Kxb2 Rc4 45. Kb3 Rxc5 46. Kxb4 Rd5 47. Kc4 $11 Rd8 48. h4 gxh4
49. Rxh4 Kg6 50. Rh5 Rf8 51. Re5 Rf4+ 52. Kd3 Kf6 53. Re4 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Musson, Adam J"]
[Black "Fowler, Hugo"]
[Result "1-0"]
[ECO "D97"]
[WhiteElo "2020"]
[BlackElo "1786"]
[Annotator "Rudy"]
[PlyCount "63"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6 8. Be2
(8. e5) 8... b5 9. Qb3 c5 10. dxc5 Bb7 11. Be3 {rare, main line theory up to
now} (11. O-O) (11. e5) 11... Nxe4 12. Nxe4 Bxe4 13. O-O Qc7 (13... Nc6) (13...
Bd5) 14. a4 bxa4 15. Rxa4 Bc6 16. Ra3 Rd8 {Komodo11} (16... Nd7 17. Qc2 Rfb8
18. b3 Nf6 19. h3 Nd5 $15 {Wei-De Noskowski, ACT-ch , Belconnen2001,0-1}) 17.
Ng5 Bd5 (17... e6) 18. Bc4 e6 19. Bxd5 Rxd5 (19... exd5 20. Rd1 d4 $11 {
Komodo11}) 20. Qc2 (20. Ne4 Nc6 21. Qb6 Qxb6 22. cxb6 Rb5 23. Nd6 Rxb2 24. Rc1
$14 {Komodo11; the advanced b pawn is dangerous}) 20... Nc6 21. Ne4 Nb4 (21...
Nd4 22. Bxd4 Rxd4 23. h3 Qc6 $15 (23... a5 $15 {Wh's Q side pawns are a little
exposed, & Bl's B is quite effective in keeping the pressure})) 22. Qc4 Rb8 (
22... a5) 23. Nc3 Bxc3 (23... Rh5 24. Bf4 Be5 25. g4 Rh3 26. Bg3 Nc2 27. Ne4
Nxa3 28. bxa3 Kg7 29. Kg2 Rxg3+ 30. hxg3 Qc6 31. g5 $11 {Komodo11}) 24. Rxc3
Rb5 $11 (24... a5 $11) 25. Rb3 Nc6 (25... Qb7 $11 {Komodo11}) (25... Rh5 26. g3
Nd5 27. Bd4 e5 28. Rxb5 axb5 29. Qxd5 exd4 30. Qa8+ Kg7 31. b4 d3 $11 {Komodo11
}) (25... Qa5 26. Ra3 Qc7 27. Rxa6 Nxa6 28. Qxb5 Nxc5 29. Qc4 Qe5 $11 {Komodo11
}) 26. Rxb5 axb5 (26... Ne5 27. Qxd5 exd5 28. Rb4 $16 {Komodo11}) 27. Qxb5 $16
Nd4 28. Bxd4 Rxd4 29. c6 {perhaps a little error to separate the 2 passed
pawns by so much, though advanced passed pawns must be pushed} (29. Rc1 $18 {
Komodo11; the connected pawns will be too strong} Qf4 30. Qf1 Rd2 31. g3 Qe4
32. c6 Rc2 33. Rxc2 Qxc2 34. Qb5 Kg7 35. Qe5+ Kf8 36. Qd6+ Kg7 37. b4 $18)
29... Rd5 (29... Qd6 30. Qa6 Qc5 31. b3 e5 32. Qc8+ Kg7 33. c7 Rd6 34. b4 Qc2
35. Qb8 Rd1 36. Qb5 Rxf1+ 37. Qxf1 Qxc7 38. b5 $14) 30. Qc4 $18 Qb6 31. c7 Rc5
32. c8=Q+ 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Fowler, Caspian"]
[Black "French, Max"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1370"]
[BlackElo "1997"]
[Annotator "Rudy"]
[PlyCount "66"]
[EventDate "2018.??.??"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nh3 (7. Nf3) (
7. h5 {alternatives}) 7... e6 8. Nf4 Bh7 9. c3 (9. Bc4 {main}) 9... Nf6 10. Bc4
(10. Bd3) 10... Bd6 11. Qf3 (11. Nfh5) (11. Qe2) 11... O-O 12. Nfh5 Nbd7 13.
O-O $146 (13. Be3 {main}) 13... Nxh5 14. Qxh5 Bg6 (14... Kh8 $15) 15. Qg4 Nf6
16. Qf3 Rc8 17. Be3 (17. Re1 $11 {Komodo11}) 17... b5 18. Bb3 Qe7 19. Rfe1 Rfd8
20. Rad1 Rd7 21. a3 $11 (21. a4 Rb7 22. Bc1 a6 $11) 21... Qd8 22. a4 a6 23. Rd2
(23. axb5 axb5 24. Ra1 $11) 23... Be7 (23... b4 $15 {Komodo11}) 24. h5 Bh7 25.
Red1 Qa5 26. Ra1 {(draw?)} (26. axb5 axb5 27. Bf4 $11 {Komodo11}) 26... Qc7 27.
Bf4 Qb6 28. a5 (28. Be5 $11) 28... Qb7 29. Rad1 Rcd8 30. Ba2 (30. Be5) 30... b4
$15 31. Re1 $6 (31. c4 b3 32. Bxb3 Bb4 33. Re2 Rxd4 $17 {Komodo11}) (31. Be5
bxc3 32. bxc3 Qb5 33. Ra1 Qxa5 (33... c5 34. d5 exd5 35. Nf5 Bxf5 36. Qxf5 Qxa5
37. Re2 $11) 34. Qxc6 Nd5 35. Ne2 Bg5 36. Rdd1 (36. f4 Be7 $17) 36... Be7 $17 (
36... Qb5 37. Qxb5 axb5 38. Bb1 b4 39. Bxh7+ Kxh7 40. cxb4 Nxb4 $15 {Komodo11})
) 31... Qb5 (31... b3 32. Bb1 Bxb1 33. Rxb1 Qb5 34. Ra1 c5 $17 {Komodo11}) 32.
Bb3 $2 (32. Be5 Qxa5 $17) 32... bxc3 33. Qxc3 Bb4 {the lurking B} 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Zeidler, Sven P."]
[Black "Van Kemenade, Julie"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2165"]
[BlackElo "1692"]
[Annotator "Rudy"]
[PlyCount "75"]
[EventDate "2018.??.??"]

1. e4 (1. d4 d6 2. Nf3 Nd7 3. e4 Ngf6 4. e5 Nd5 5. c4 N5b6 6. Nc3 c5 7. dxc5
dxc5 8. e6 fxe6 9. Ng5 $18 {IC Jones-R Van Kemenade, Dyfed Open 2004,1-0}) 1...
d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Nbd7 (4... Bg4) (4... g6) (4... Qa5) (4... Qc7)
5. e5 {a dangerous advance for Bl} dxe5 {risky} (5... Nd5 6. Nxd5 cxd5 7. exd6
e6 8. Bd3 (8. Bf4 Qb6 9. Bd3 Bxd6 10. Bxd6 Qxd6 {led to 2 Wh wins}) 8... Bxd6 {
has given Bl quite good chances}) 6. dxe5 Ng4 7. e6 fxe6 (7... Nde5 8. Qxd8+
Kxd8 9. Bf4 $18 {Komodo11, Kaupat-Bieszk, LSS email 2012,1-0}) 8. Ng5 Ngf6 (
8... Nde5 9. Qxd8+ (9. Qe2 {is even stronger} h6 10. Nh3 Qd4 11. f4 g6 12. fxe5
Nxe5 13. Be3 Qb4 14. O-O-O {Hahn-Kratky, LSS email 2012,1-0}) 9... Kxd8 {3-0}
10. h3 $1 {Komodo11} Nf6 11. f4 Ng6 12. Nf7+ Kc7 13. Nxh8 {Lehmann-Bachofner,
Lenk op 2009,1-0}) 9. Nxe6 $18 Qa5 10. Bd2 $146 (10. Bf4 Nd5 11. Qd2 (11. Bd2
$18 {Komodo11}) (11. Qh5+ g6 12. Qg5 Qb4 (12... Nc5 13. Nxc5 Qxc5 14. Nxd5 Qxd5
15. Qxd5 cxd5 16. Be5 Rg8 17. O-O-O e6 $14 {Komodo11}) 13. Bd2 (13. O-O-O Nxf4
14. Nc7+ $18 {Komodo11}) 13... Qd6 14. Nxd5 (14. Nxf8) 14... Qxe6+ 15. Ne3 Bg7
$11 {Yip-Rinaudo, Wld ch U12 girls, Porto Carras 2015,1-0}) 11... N7f6 12. Nxd5
Qxd2+ 13. Bxd2 Nxd5 14. Nxf8 Rxf8 15. f3 Bf5 16. O-O-O $14 {Stankevicius-Barsci
tankevicius-Barsciauskas, LTU ch sf , Vilnius 2012,1/2-1/2}) 10... Qe5+ 11. Qe2
Qxe2+ (11... Kf7 12. Ng5+ Kg8 13. Qxe5 Nxe5 14. f4 Nf7 15. Bc4 e6 16. Nxe6 $18
{Komodo11}) 12. Bxe2 $18 Kf7 13. Bc4 (13. Ng5+ Ke8 14. Bc4 Ne5 15. Bb3) 13...
Ne5 14. Ng5+ Ke8 (14... Kg6 15. Bb3 h6 16. Ne6 $16) 15. Bb3 h6 16. f4 (16. Ne6
Bxe6 17. Bxe6 g5 18. f4 $16) 16... hxg5 17. fxe5 Ng4 18. e6 (18. Ne4 $18 {
Komodo11}) 18... b5 (18... Rxh2 19. Rxh2 Nxh2 20. Bxg5 Ng4 21. O-O-O $18 {
Komodo11}) (18... Rh6 19. Bxg5 Rg6 20. h4 Bxe6 21. O-O (21. O-O-O Bxb3 22. axb3
Nf2 $17) 21... Bxb3 22. axb3 e6 23. Ne4 Be7 24. Bxe7 Kxe7 25. Rae1 Rd8 26. Ng5
Rf6 27. Re4 Nh6 28. Rxf6 Kxf6 29. Rxe6+ Kf5 30. Re2 Kg4 31. Kf2 Kxh4 32. Nf3+
Kh5 33. Re7 g5 34. Rg7 Ng4+ 35. Kg3 Ne3 36. Rxg5+ Kh6 37. c3 Nd1 38. Ne5 Rd2
39. Kh4 Ne3 40. Rg6+ Kh7 41. g4 Rxb2 42. Kg5 $16 {Komodo11}) 19. Bxg5 Rh5 20.
h4 g6 21. Ne2 $18 (21. Ne4 $18) 21... Bg7 (21... Bh6 22. Rh3 $18) 22. Nf4 (22.
c3 Bf6 23. Bc2 Ne5 24. Nf4 Bxg5 25. Nxh5 Bh6 26. Ng3 Bxe6 27. h5 $18 {Komodo11}
) 22... Bxb2 23. Rd1 Bf6 (23... a5 24. c4 Ne3 25. Nxh5 a4 26. Bxe3 axb3 27.
axb3 gxh5 28. O-O $16 {Komodo11}) 24. Nxh5 $18 gxh5 25. Bxf6 (25. O-O) 25...
exf6 26. Rd3 Ke7 27. O-O $16 Rb8 (27... a5 28. a4 Bxe6) 28. Rf5 $18 Bxe6 29.
Rxh5 Bxb3 30. axb3 a5 31. Rh7+ Ke6 32. Rd4 f5 33. Rhd7 Rc8 34. h5 (34. R4d6+
Ke5 35. Rd8 {Komodo11, swaps off a pair of Rs to lessen resistance}) 34... c5
35. R4d6+ Ke5 36. h6 c4 37. bxc4 Rxc4 38. h7 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Richmond, Jane"]
[Black "Jukes, Sam"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2097"]
[BlackElo "1762"]
[Annotator "Rudy"]
[PlyCount "93"]
[EventDate "2018.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 (6... Be7) (6...
Bb7) 7. Qe2 (7. c3 {main}) 7... d6 8. c3 Bb6 (8... O-O {main}) 9. a4 (9. d3)
9... Rb8 $146 (9... b4 10. Bxf7+ $1 Kxf7 11. Qc4+ Ke7 12. Qxc6 Rb8 13. Qc4 Be6
14. Qe2 {Giraud-Marchand, FRA ch op, Val d'Isere 2004,1-0}) (9... Bd7 $11 {
Stockfish9}) 10. axb5 axb5 11. d4 $5 (11. Na3 b4 12. Nc4 O-O 13. Nxb6 Rxb6 14.
Bc4 $11 {Komodo11}) 11... exd4 12. cxd4 (12. Qxb5 Bd7 13. Qe2 O-O $15 {Komodo11
}) 12... Nxd4 13. Nxd4 Bxd4 $17 14. Nc3 Bxc3 (14... O-O 15. Nxb5 Be5 $17 16. f4
Bd7 17. Ra5 c6 18. fxe5 Qxa5 19. exf6 Qxb5 20. Qxb5 Rxb5 21. fxg7 Kxg7 22. Rf3
Be6 $17 {Komodo11}) 15. bxc3 O-O 16. Rd1 (16. Bc2 $11) 16... Qe7 $15 17. f3 Be6
18. Bxe6 (18. Bc2) 18... fxe6 (18... Qxe6) 19. e5 (19. Ra5 c6 20. Be3 d5 $15 {
Komodo11}) 19... Nd5 20. exd6 Qxd6 $15 21. Rd3 Qb6+ (21... Ra8 22. Rb1 c6 $17 {
Komodo11}) 22. Kf1 (22. Be3) 22... Nf4 {the N is actually better than the B in
this position} (22... Ra8 23. Rb1 Qc6 24. Bd2 Ra2 $17 {Komodo11}) 23. Bxf4 Rxf4
24. Rad1 $11 Ra8 25. Rd7 (25. Qe5 Rf7 26. Rd8+ Rxd8 27. Rxd8+ Rf8 28. Rd7 Rf7
29. Rd8+ $11 {Komodo11}) 25... Rf6 (25... Qc6 $15 26. Qe5 Rf7) 26. Qe5 Raf8 27.
Rxc7 $14 R6f7 (27... h6) 28. Rxf7 Rxf7 29. Rd6 $16 Qc7 30. Qxe6 {now instead
of a pawn down, Wh is a pawn up} h6 (30... Qe7 31. Qd5 g6 $16) 31. Qd5 $18 Kh7
32. Qd3+ Kg8 33. Rd8+ Rf8 34. Qd5+ Qf7 35. Qxf7+ Kxf7 36. Rxf8+ Kxf8 37. Ke2 {
Wh wins the pawn ending} Ke7 38. Ke3 Kd6 39. Kd4 Kc6 40. f4 Kd6 41. g4 g6 42.
f5 gxf5 43. gxf5 h5 44. h4 Ke7 45. Ke5 Kf7 46. f6 Kf8 47. Kf5 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Rayner, Francis"]
[Black "Whale, Michael"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "2043"]
[BlackElo "1743"]
[Annotator "Rudy"]
[PlyCount "53"]
[EventDate "2018.??.??"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. d4 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Rd1
dxc4 {[%emt 0:00:06] unusual to play this, after opting for the closed
variation at move} (8... b6) (8... Ne4) 9. Qxc4 Nb6 10. Qc2 Bd7 {looks odd,
but only move played} 11. Nc3 Nbd5 (11... Rc8) 12. e4 (12. Ne5 Nxc3 13. bxc3
Qb6 14. Rb1 Qc7 15. Qb3 Rab8 16. Bf4 Bd6 17. c4 Nh5 18. c5 Nxf4 19. cxd6 Nxe2+
20. Kh1 {Badzgaradze-Hilario, Wld ch U1) girls, Maribor 2012, 1-0}) 12... Nxc3
13. bxc3 $16 Qa5 14. Rb1 (14. c4 $16) (14. Ne5 $16) 14... c5 15. Re1 b6 $11 16.
d5 exd5 17. exd5 Bd6 (17... Ba4) 18. c4 (18. Bg5 $16 {Komodo11} Nxd5 19. c4 Nb4
20. Qd2 Bf5 21. Rbd1 Nc2 22. Qxa5 bxa5 23. Rxd6 Nxe1 24. Nxe1 $16) 18... Ba4 (
18... Rae8 $11) 19. Qd3 Rae8 20. Bd2 Qa6 21. Bc3 $16 Nd7 22. Ng5 $18 g6 23. h4
(23. Ne6 $1 $18 {Komodo11} fxe6 24. dxe6 Nf6 25. Qxd6 Qxc4 26. Bb2 $18) 23...
Qc8 24. Bh3 (24. Ne6 $1) 24... Qd8 (24... Qc7 25. h5 $18) 25. Ne4 (25. Rxe8
Rxe8 26. Nxf7 Kxf7 27. Be6+ Ke7 28. Qe3 Nf6 29. Qh6 $18 {Komodo11}) (25. f4 $18
{Komodo11}) (25. Bb2 Be5 26. Bxd7 Bxd7 27. Rxe5 Rxe5 28. Bxe5 Bf5 29. Qb3 $18 {
Komodo11}) (25. Ne6 $18 {Komodo11}) 25... Bb8 (25... Be5) 26. Bxd7 $18 Rxe4 27.
Bxa4 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Taylor, Robert Graham"]
[Black "Jones, Dewi"]
[Result "1-0"]
[ECO "E72"]
[WhiteElo "1906"]
[BlackElo "1512"]
[Annotator "Rudy"]
[PlyCount "89"]
[EventDate "2018.??.??"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. g3 d6 6. Bg2 Nbd7 7. e4 e5 8. h3 a6
(8... c6 {main}) 9. Be3 c5 $146 {problem is it creates Wh invasion points at
d5 & d6} (9... Rb8) (9... exd4) (9... b5) 10. dxe5 dxe5 11. O-O $16 Ne8 $2 (
11... Qe7) 12. Bxc5 $18 Nc7 13. Bxf8 Qxf8 14. Nd5 Ne6 (14... Nxd5) 15. Kh2 Ndc5
(15... a5) 16. Nh4 (16. Nb6) 16... Nd4 17. f4 exf4 18. gxf4 f5 19. e5 $18 Nce6
20. Nb6 Rb8 21. Nxc8 (21. Bd5 Nc6 22. Nxc8 Qxc8 23. Bxe6+ Qxe6 24. Qd5 Qxd5 25.
cxd5 $18 {Komodo11}) 21... Qxc8 (21... Rxc8) 22. Bd5 Kh8 23. Nf3 Qc5 24. Nxd4
Nxd4 25. Qd2 Qb6 26. Rad1 Nc6 27. Bxc6 Qxc6 28. Qd6 Qe8 29. Rf2 (29. Qd7) (29.
e6) 29... Bh6 30. Kg3 Bf8 31. Qd7 Bc5 32. Qxe8+ Rxe8 33. Rfd2 $18 Re7 34. Rd8+
Kg7 35. R1d7 Kf7 36. Rxe7+ Kxe7 37. Rd5 (37. Rh8 {simplest}) 37... b6 38. Kf3
a5 39. a3 Ke8 40. Rd1 Ke7 41. Rb1 a4 42. b4 axb3 43. Rxb3 Ke6 44. a4 Bd4 45.
Rb5 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Haigh, Tony"]
[Black "Leah, Howard"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1799"]
[BlackElo "1467"]
[Annotator "Rudy"]
[PlyCount "64"]
[EventDate "2018.??.??"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Bg4 (5... Nc6 {main}) 6. Ne5
Bf5 7. e3 (7. Qb3 $16 {main}) (7. e4 $16) 7... a6 8. Bd3 $146 (8. Qb3 $16) 8...
Bxd3 9. Nxd3 {retreating a well placed N} (9. Qxd3) 9... Nc6 $11 10. O-O e6 11.
Bd2 Bd6 12. Rc1 Rc8 13. f4 (13. f3 {looks more flexible}) 13... O-O 14. Be1 Ne4
15. f5 {aimed at creating holes in the Bl position, it creates more on the Wh
side} (15. Nxe4 dxe4 16. Nc5 Bxc5 17. Rxc5 Ne7 18. Rxc8 Qxc8 19. Qb1 Nd5 20.
Qxe4 Qc4 $11 {Komodo11}) 15... Qg5 $15 16. Qf3 Qh6 (16... exf5 17. Nxd5 g6 18.
h4 Qh6 $15 {komodo11}) 17. Nf4 Bxf4 (17... exf5 $17 18. Ncxd5 (18. Qh3 Bxf4 19.
Rxf4 Qxh3 20. gxh3 Ne7 $17) 18... Nxd4 $19) 18. Qxf4 Qxf4 19. Rxf4 Nb4 $17 20.
Rf3 Nd3 21. Rb1 Nxe1 22. Rxe1 Nxc3 23. bxc3 Rxc3 $17 24. e4 Rc2 (24... Rxf3 25.
gxf3 dxe4 26. fxe4 Rc8 $17 {Komodo11}) 25. exd5 exd5 26. Rb3 b5 27. Ra3 Rc6 (
27... Rfc8 28. Rxa6 h6 $17 {Komodo11}) 28. Re7 Ra8 29. Rd7 Kf8 (29... g5 $15 {
Komodo11}) 30. Rxd5 $11 Rc4 (30... Rac8) 31. Rxb5 Rxd4 (31... axb5 32. Rxa8+
Ke7 33. Ra7+ Kf6 34. Rb7 $11 {Komodo11}) 32. Rba5 Rd6 {(draw?)} 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Williams, A. Howard"]
[Black "Hurn, Robert AJ"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2274"]
[BlackElo "1592"]
[Annotator "Rudy"]
[PlyCount "73"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 c5 (5... a6) (5... Nc6) 6. O-O
Nc6 7. Qa4 (7. Ne5 {alternative}) 7... a6 (7... Bd7) (7... cxd4 {which gets
quite complex} 8. Nxd4 Qxd4 9. Bxc6+ Bd7 10. Rd1 Bxc6 (10... Qxd1+ 11. Qxd1
Bxc6) 11. Qxc6+ bxc6 12. Rxd4 {complicated theory}) 8. Ne5 Nd5 (8... Bd7) 9.
Nxc6 bxc6 10. dxc5 $14 (10. Bxd5 Qxd5 11. Nc3 Qd7 12. dxc5 Bxc5 13. Qxc4 Qd4
14. Qxd4 Bxd4 15. Rd1 Bxc3 16. bxc3 Ke7 17. Ba3+ Kf6 18. Rd6 Bb7 19. Rd7 Rab8
20. Rb1 Ba8 {Schmitt-Kuehnel. GER ch U12, Willingen 2007,1/2-1/2}) 10... Bd7 (
10... Rb8 11. e4 $18 {Komodo11}) 11. e4 (11. Qxc4 $18) 11... Ne7 (11... Nf6)
12. Qxc4 $18 Qc7 13. Be3 g6 14. Nd2 Bg7 15. Qc2 O-O 16. Nc4 Rab8 17. Rad1 Nc8
18. b3 {Bl has a severe lack of space} e5 19. f4 Be6 20. f5 (20. Nxe5 $5) 20...
Bxc4 21. Qxc4 Qb7 (21... a5 $5) 22. Rf2 (22. f6 $18 {Komodo11}) 22... Na7 23.
Rfd2 (23. Bh3) (23. f6) 23... Qb5 24. Bf1 (24. Rd6 Qxc4 25. bxc4 Rfe8 26. f6
$18 {Komodo11}) 24... Qa5 (24... Qxc4 25. Bxc4 Nb5 26. Rd7 $18 {Komodo11, Wh
controls all the key lines}) 25. Qxa6 Qc3 (25... Qxa6 26. Bxa6 Nb5 27. Bxb5
cxb5 28. c6 $18 {Komodo11}) 26. Rd3 Qb4 27. Qxa7 Qxe4 28. Bg2 (28. fxg6) 28...
Qxf5 29. Qd7 (29. Bxc6) 29... Qh5 30. Qxc6 Qe2 31. Qf3 (31. Qd5 Qxa2 32. c6 {
Komodo11}) 31... Qxa2 32. c6 Qc2 (32... Rxb3 33. Rxb3 Qxb3 34. Bc5 Qxf3 35.
Bxf3 Rc8 36. Rd7 $18 {Komodo11}) 33. Qf2 Qxf2+ 34. Bxf2 Rfc8 35. Ba7 Ra8 36.
Bb6 h5 37. c7 (37. Rd8+) 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Brown, Thomas"]
[Black "Morgans, Justin"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2085"]
[BlackElo "1668"]
[Annotator "Rudy"]
[PlyCount "75"]
[EventDate "2018.??.??"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 c6 5. Nf3 d5 6. O-O Bd6 7. b3 O-O (7... Qe7)
8. Ba3 Ne4 (8... Bxa3) 9. Bxd6 Qxd6 10. Ne5 (10. Qc2 Nd7 11. Nbd2 {main}) 10...
Nd7 11. f3 (11. Nxd7) 11... Nef6 (11... Nxe5 12. fxe4 Ng4 13. e5 Qd7 14. Qd3
dxc4 15. bxc4 Rd8 16. Rd1 Qc7 17. Qb3 Qb6 18. Rd3 Bd7 19. h3 Nh6 20. Nd2 {
Pospisil-Mejzlik,CZE ch tm 2009,1-0}) 12. f4 Ne4 $11 13. Bxe4 fxe4 14. Nc3 Nxe5
15. c5 Qe7 16. fxe5 $11 {but Bl will have trouble with a bad B vs a N} Bd7 17.
Qd2 Rf5 18. Rxf5 exf5 19. Rf1 Rf8 20. h4 h6 21. e3 Be8 (21... g5 22. Qh2 Kg7
23. Kf2 $14 {Komodo11}) 22. Ne2 g5 23. hxg5 Qxg5 (23... hxg5 24. Rf2 Bh5 25.
Rh2 Bf3 $11 {Komodo11}) 24. Kf2 $14 (24. Kh2 $16 {Komodo11}) (24. Nf4 Qxg3+ 25.
Qg2 Qg4 26. Kf2 Qxg2+ 27. Kxg2 Rf7 28. Rh1 Rh7 29. Kg3 Kf8 30. b4 $16 {Komodo11
}) 24... Bh5 25. Rh1 {gives Bl the chance to swap off his bad B} (25. Nf4)
25... Kh7 (25... Bxe2 26. Qxe2 Kh7 $11 {Komodo11}) (25... Qg4 26. Ng1 Kh7 27.
Rh4 Qg6 28. Kf1 Bg4 29. Qa5 Qg5 $11 {Komodo11}) 26. Nf4 $18 {Komodo11 &
Stockfish9} Bf3 $2 27. Ne6 Qe7 28. Nxf8+ Qxf8 29. Rh4 Bg4 30. Qa5 Qb8 31. e6 b6
32. Qa3 b5 33. e7 h5 34. Qa5 f4 35. gxf4 Qg8 36. Qd8 Qg7 37. e8=Q Bf3 38. Rxh5+
1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Buttell, David"]
[Black "Di-Vetta, Andrew"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "1782"]
[BlackElo "1665"]
[Annotator "Rudy"]
[PlyCount "110"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb4+ (4... Ba6) 5. Bd2 Qe7 (5... Bxd2+) (
5... Be7) (5... a5) 6. Bg2 Bb7 7. O-O Bxd2 8. Qxd2 O-O 9. Nc3 a6 $146 (9... d6)
(9... Ne4) (9... d5) 10. Ne1 (10. d5 $5 {Komodo11- blocks off the QB & perhaps
gains f5, as in Turner-Buttell Rd1}) 10... Bxg2 11. Nxg2 Qb4 12. b3 d5 13. Ne4
Qxd2 14. Nxd2 Nc6 15. e3 Ne7 $11 16. Rfc1 c6 (16... Ne4 $11) 17. Rc2 Rfc8 18.
Rac1 Kf8 19. Nf4 Ke8 20. Nd3 a5 21. Kg2 $14 (21. f3 $14) 21... Ne4 22. Nxe4
dxe4 23. Nb2 (23. Nf4) 23... f5 24. Na4 Rab8 25. Nc3 Rd8 26. h3 (26. h4) 26...
g5 27. g4 Kf7 28. Kg3 Kg6 29. Na4 Rf8 30. c5 b5 31. Nb6 Rbd8 $11 (31... f4+ 32.
Kg2 Rfd8 $11) 32. a4 f4+ 33. Kg2 fxe3 (33... f3+ 34. Kg3 Rh8 35. Rh1 h5 36.
Rcc1 Rh7 $17 {Komodo11- Bl can double on the h file} 37. Rh2 $2 h4#) 34. fxe3
Rf3 35. Re2 $11 e5 (35... Nd5 36. Nxd5 exd5 37. axb5 cxb5 38. c6 Rc8 39. Rc5 a4
$11 {Komodo11}) 36. axb5 exd4 37. exd4 Rxd4 38. Nc4 (38. Rxe4 Rxe4 39. Kxf3
Rf4+ 40. Ke3 cxb5 41. c6 Rf6 42. Nd7 Re6+ 43. Kd4 Rd6+ 44. Ke4 a4 45. bxa4 bxa4
46. Ne5+ Kf6 47. c7 Nc8 48. Rf1+ Kg7 49. Rf7+ Kg8 50. Rf3 $14 {Komodo11}) 38...
Rxb3 39. b6 (39. Rf2 Rxb5 40. Ne5+ Kh6 (40... Kg7 41. Rf7+ Kg8 42. Rxe7 Rd2+
43. Kg1 Rbb2 $11) 41. Nf7+ Kg6 42. Ne5+ $11 {Komodo11}) 39... a4 (39... Nd5 40.
Kh2 Nf4 41. Re3 Rxe3 42. Nxe3 Rb4 43. Rc4 Rb2+ 44. Rc2 Rb3 45. Nf5 Kf6 46. Nd4
Rxh3+ 47. Kg1 Rd3 48. Nxc6 e3 49. b7 e2 50. Rxe2 Nxe2+ 51. Kf1 Rb3 52. Nxa5
Rxb7 53. Nxb7 Nd4 $11 {Komodo11}) 40. Ra2 (40. Na5 Rb5 41. Rc4 Rxc4 42. Nxc4
Nd5 43. Rb2 Rxb2+ 44. Nxb2 a3 45. b7 a2 46. b8=Q a1=Q $11 {Komodo11}) 40... Rb4
41. Ne3 Nd5 42. Nc2 $2 (42. Nxd5 Rxd5 43. Rf2 e3 44. Re2 Rd3 45. Kf3 Rf4+ 46.
Kg3 Kf6 $17 {Komodo11}) 42... Rd2+ $19 43. Kh1 Rb3 44. Rxa4 Rxh3+ 45. Kg1 Rb3 (
45... Rg3+ 46. Kh1 Nf4 47. Ra3 Rxg4 48. Ne1 Rf2 49. Rcc3 Rf1+ 50. Kh2 Rgg1 51.
Rc2 Rh1+ 52. Kg3 Rh3+ 53. Kg4 h5# {Komodo11}) 46. Rxe4 (46. Rd4 e3 47. Rxd2
exd2 48. Rd1 Rb5 49. Rxd2 Rxc5 50. b7 Rb5 51. Nd4 Rxb7 52. Nxc6 Ne3 53. Rd6+
Kg7 54. Rd4 Rf7 55. Re4 Rf1+ 56. Kh2 Re1 57. Ra4 h5 58. gxh5 Kh6 $15 {but Wh
will most likely be able to give up the N for Bl's last pawn ( though there
might be some winning chances left with the Wh K in the corner)}) 46... Nf4 $19
47. Nd4 Rxd4 (47... Rg3+ 48. Kf1 (48. Kh1 Rh3+ 49. Kg1 Rg2+ 50. Kf1 Rh1#) 48...
Rh3 49. Re2 Rxd4 $19 {Komodo11}) 48. Rxd4 Ne2+ 49. Kg2 Nxd4 $19 50. Rd1 Rb4 51.
b7 Ne6 52. Rd6 Kf6 53. Rxc6 Rxb7 54. Ra6 Rc7 55. c6 Nd4 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Jones, Martin C"]
[Black "Jones, Gavin"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1769"]
[BlackElo "1658"]
[Annotator "Rudy"]
[PlyCount "107"]
[EventDate "2018.??.??"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4
f6 9. exf6 Qxf6 (9... Nxf6 {main}) 10. Nf3 Bd6 (10... h6) 11. Bg5 (11. O-O)
11... Qf7 12. O-O Nf6 (12... O-O 13. Bh4 {main}) 13. Rc1 $146 (13. Bh4 O-O 14.
Bg3 Bxg3 (14... Qc7 15. Rc1 Bxg3 16. hxg3 Qd6 {Slade-Fathallah, GBR ch,
Aberystwyth 2014,0-1}) 15. Nxg3 Bd7 {main}) 13... e5 $6 {a little early, with
the K still in the middle} (13... O-O) 14. dxe5 $18 (14. Rxc6 $1 bxc6 15. dxe5
$18 {Komodo11 & Stockfish9}) 14... Nxe5 15. Bb5+ (15. Nxe5 Bxe5 16. Bb5+ Bd7 (
16... Nd7 17. f4 Bd6 18. Nc3 O-O 19. Nxd5 $18) 17. Bxf6 gxf6 18. f4 Bxb5 19.
fxe5 Bxe2 20. Qxe2 O-O 21. Rxf6 $18 {Stockfish9}) 15... Bd7 16. Bxd7+ (16. Nxe5
$18 {previous note}) 16... Nexd7 (16... Nfxd7 17. Nxe5 Bxe5 18. f4 Bd6 19. Nc3
O-O 20. Nxd5 $16 {Stockfish9}) 17. Nc3 (17. Bf4 Bxf4 18. Nxf4 O-O 19. Rc7 $18 {
Stockfish9}) 17... O-O 18. Nb5 Bb4 19. Qd4 (19. Rc7 $18) (19. Qb3 $16) 19...
Ba5 20. b4 (20. Nd6 Qe6 21. Bxf6 Nxf6 22. Nxb7 Bb6 23. Nc5 Qf5 24. Qe5 Qxe5 25.
Nxe5 $16 {Stockfish9}) 20... Bb6 $11 21. Qh4 Ne4 22. Be3 Bxe3 (22... Bd8 $11)
23. fxe3 Qe6 $2 (23... Ndf6 24. Rc7 Qg6 25. Nbd4 (25. Rxb7 Ng4 26. Qe1 Qa6 $19)
25... Ng4 $11 {Stockfish9}) 24. Nbd4 $2 {intent on the barricade of the IQP,
Wh misses} (24. Nc7 $18) 24... Qb6 $11 (24... Qd6 $11) 25. Qe7 (25. Ng5) 25...
Rf7 26. Qe6 Qd6 27. Ng5 Qxe6 28. Ngxe6 (28. Ndxe6) 28... Rxf1+ 29. Rxf1 (29.
Kxf1 $16 {keeps the c file}) 29... Rc8 $11 30. Nf5 Re8 $2 (30... Rc2 {Rs
should be kept active} 31. Nexg7 Rxa2 32. Nh5 Kf7 33. Nd6+ Ke6 34. Nxb7 Nd2 35.
Rd1 Nb6 $11) 31. Nexg7 Re5 32. Nh5 (32. Rc1 $18 {the distant open file}) 32...
Re6 (32... Kf7) 33. Nf4 Re5 (33... Ra6) 34. Nxd5 $18 Kf7 35. Nd4+ Kg6 36. Nf4+
Kg7 37. h4 (37. Rc1) 37... Nef6 38. Rc1 $1 Ne8 39. Nde6+ Kf6 40. Rc8 (40. Nd4)
40... Nd6 (40... Rxe6 41. Nxe6 Nd6 42. Nc5 Nxc8 43. Nxd7+ Ke7 44. Nc5 $18) 41.
Rh8 (41. Rc7) 41... Rxe6 42. Nxe6 Kxe6 43. Rxh7 Nb6 44. g4 Nd5 45. b5 Nc3 46.
g5 Ncxb5 47. Rh6+ (47. h5 Kf5 48. g6 Ke6 49. a4 Na3 50. Rc7 $18) 47... Kf7 48.
Rf6+ (48. a4 {wins a N}) 48... Kg8 49. h5 a5 50. h6 a4 51. g6 a3 52. Rf4 (52.
h7+ Kg7 53. Rf8) 52... Nc3 53. h7+ Kg7 54. Rf7+ (54. Rf8) 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Owen, Neil"]
[Black "Denham, Colin"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1760"]
[BlackElo "1653"]
[Annotator "Rudy"]
[PlyCount "120"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. Nf3 d5 3. g3 c6 4. Bg2 Nbd7 5. O-O Nb6 {unusual, not clear the N
does belong here- though it does impede Wh playing c4} (5... e6 {Closed Catalan
}) (5... g6 {Schlechter-Grunfeld}) 6. Re1 (6. b3) (6. Nbd2) 6... Bg4 (6... Bf5
7. Nbd2 e6 8. c3 Be7 9. Ne5 Bd6 10. Ndf3 Qc7 11. Nd3 Nbd7 12. Bf4 Bxf4 13. Nxf4
O-O {Groiss-Zinn, Zittau 1957,1/2-1/2}) 7. a4 a5 8. Ne5 Bh5 9. f3 Nfd7 (9... e6
) 10. Nd3 Bg6 11. e4 e6 12. Nf4 dxe4 13. fxe4 Be7 (13... e5 14. Nxg6 hxg6 15.
c3 exd4 16. cxd4 Bb4 $11 {Komodo11}) 14. Nd2 (14. e5 Bf5 15. Rf1 $14 {Komodo11}
) (14. Nxg6 hxg6 15. e5 c5 16. d5 Nxd5 17. Bxd5 exd5 18. Qxd5 Nf8 19. Qxb7 Ne6
20. Nc3 Rb8 21. Qc6+ Kf8 22. Nb5 Rh5 23. Qe4 $16 {Komodo11}) 14... Nf6 (14...
e5 $11) 15. c3 Qc7 16. h4 (16. Nxg6 hxg6 17. Nf3 O-O 18. Bf4 $16 {Komodo11})
16... h6 (16... e5 17. dxe5 Qxe5 18. Nf3 Bc5+ 19. Be3 Bxe3+ 20. Rxe3 Qe7 21.
Nd4 Nc4 22. Re1 O-O 23. e5 Nxe5 24. h5 Nxh5 25. Nxh5 Rfe8 26. Nf4 Qg5 27. Re3
Nc4 28. Re2 (28. Rf3 Be4 29. Rf2 Qxg3 $11) 28... Qxg3 29. Qe1 Qxe1+ 30. Raxe1
Kf8 31. b3 $14 {Komodo11}) 17. e5 $18 Nfd7 18. Nxg6 fxg6 19. Qg4 Nf8 20. Be4 (
20. Rf1) (20. Nb3) 20... O-O-O 21. Bxg6 (21. Nb3) 21... Nxg6 22. Qxe6+ Qd7 23.
Qxg6 Qh3 24. Ne4 $18 Rhf8 25. b3 Rf3 26. Qxg7 {too mercenary} (26. Ra2 $18 {
protects everything}) 26... Bf8 (26... Bg5 $1 27. hxg5 Rxg3+ 28. Nxg3 Qxg3+ $11
{Komodo11}) (26... Nd5 27. Ra2 Nxc3 28. Rh2 Qe6 29. Qxh6 Qg8 30. Rg2 Nxe4 31.
Rxe4 Rxg3 32. Qd2 Qxb3 $11 {Komodo11, the Wh K is still exposed}) 27. Qg6 $16
Nd5 28. Ra2 Ne7 29. Qh7 (29. Qh5 Rxg3+ 30. Nxg3 Qxg3+ 31. Kf1 Qxc3 32. Qg4+ Kb8
33. Rf2 $16 {Komodo11}) 29... Rxg3+ 30. Nxg3 Qxg3+ 31. Kf1 Qh3+ (31... Qxc3 32.
Qc2 Qh3+ 33. Qg2 Qxb3 34. Ra3 Qc4+ 35. Qe2 Qxd4 36. Qe4 Qb4 37. Rf3 Nd5 38. Kg2
h5 $14 {Komodo11}) 32. Rg2 $18 Qh1+ 33. Kf2 Qxh4+ 34. Ke2 (34. Rg3 Qh2+ 35. Kf3
) 34... Qh5+ (34... c5 35. Kd2 Qh3 36. Qe4 cxd4 37. Qg4+ Qxg4 38. Rxg4 dxc3+
39. Kxc3 $18 {Komodo11}) 35. Kd2 c5 36. Qe4 (36. Rf2) 36... cxd4 37. Qg4+ Qxg4
38. Rxg4 dxc3+ 39. Kxc3 $18 Nf5 40. Rc4+ Kb8 41. Rf1 Ne7 42. Kc2 (42. e6) 42...
Nd5 43. Re1 (43. e6) 43... Nb4+ 44. Kb1 Rd3 45. Re3 Rd8 46. e6 Nc6 47. Re1 (47.
Rf3) 47... Re8 48. Bf4+ Kc8 49. Bd2 Kb8 50. Kc2 Nb4+ 51. Bxb4 Bxb4 52. Re2 b6
53. Kd3 {the K coming up seals the game for Wh} Bc5 54. Rh4 Rd8+ 55. Kc4 Rc8
56. Kd5 Rd8+ 57. Ke5 Bd6+ 58. Kf5 (58. Kf6) 58... Rf8+ 59. Kg6 Be7 60. Rc4 Kb7
$18 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Greatorex, Roger"]
[Black "Miller, John S"]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "1722"]
[BlackElo "1648"]
[Annotator "Rudy"]
[PlyCount "63"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 (6... Nc6 {
alternative}) 7. d5 Ne8 (7... c6) (7... Nh5) (7... Nbd7) 8. g4 {looks a little
early} (8. Qd2) (8. Bd3) 8... Bf6 {to take advantage of the weakened bl
squares in Wh's position} (8... Bh6 {would also do that} 9. Qd2 (9. Bxh6 Qh4+)
9... Bxe3 10. Qxe3 Qh4+) (8... f5 {main, consistent} 9. gxf5 gxf5 10. Qd2 f4
11. Bf2 {with chances for both sides}) 9. Qd2 (9. Nge2 Bh4+ 10. Ng3 g5 11. Qd2
Ng7 12. O-O-O f6 13. Nf5 {Breitfuss-Letzel, Bad Griesbach Seniors 2002,1-0})
9... Bh4+ 10. Kd1 f5 {logical, to open up the centre while the K is still there
} (10... g5 {erecting the barricades} 11. Kc2 c5 12. Nge2 Qf6 13. Ng3 Qe7 14.
Nf5 Bxf5 15. gxf5 f6 16. Bd3 h6 17. Rag1 Qg7 18. Ne2 Kf7 19. f4 Ke7 {
Nadal-Montenegro Gonzalez, Mallorca ch, Palma de Mallorca 2000, 1/2-1/2}) 11.
gxf5 (11. Bh6) 11... gxf5 12. Bh3 (12. Nh3 Kh8 $11 {Komodo11}) 12... Ng7 (12...
f4 13. Bxc8 Qxc8 (13... fxe3 14. Qg2+ $18) 14. Bf2 Bxf2 15. Qxf2 c6 $11 {
Komodo11}) 13. Bh6 (13. Kc2 {must be played, sooner or later, so, most
flexible move}) 13... Rf7 (13... Rf6) (13... Qf6) 14. Nge2 f4 15. Bxc8 Qxc8 16.
Rg1 (16. Kc2) 16... Qh3 17. Kc2 Na6 (17... Qxf3 $17 {Komodo11}) (17... Bf2 {
Rudy & Julie} 18. Rxg7+ (18. Rg4 Qxf3) 18... Rxg7 19. Bxg7 Be3 (19... Kxg7 20.
Nxf4 exf4 21. Qxf2 $18) 20. Ng1 Qd7 21. Qg2 Qxg7 22. Qxg7+ Kxg7 $15 {Komodo11})
18. Rg4 (18. Raf1 Bf6 $11 {Komodo11}) 18... Bf6 {why retreat a well placed B,
when it can go forward & control the g1-b6 line? Bl had good attacking chances
before this.} (18... Bf2 $1 19. Rxg7+ Rxg7 20. Bxg7 Be3 21. Ng1 Qd7 22. Qe2
Qxg7 $15) 19. Bxg7 Rxg7 20. Rxg7+ Kxg7 $11 21. Ng1 Qh5 22. Nb5 {after an a
pawn?} b6 {keeping the Q out of a5?, but removes possibilities of a c6 break
to open up the centre} (22... Rg8 $11 23. Nxa7 (23. Rc1 Kh8 24. a3 Qg6 25. b4
Qg2 26. Qxg2 Rxg2+ 27. Kb3 Be7 28. Nxa7 Rxh2 $15) 23... Kf8 24. Rf1 Qg6 25. Qe2
Qg2 26. Kd2 Qxe2+ 27. Nxe2 Rg2 $17 {Komodo11}) 23. Re1 (23. b4 Kh8 24. Kb3 $14
{Komodo11}) 23... Kh8 24. Re2 Rg8 (24... Qf7 $11) 25. Rg2 Nb4+ $5 {angling for
some play against the K, but shedding vital pawns in the process} 26. Kb3 Rxg2
27. Qxg2 Nd3 28. Nxc7 $16 Nc5+ 29. Kc2 Qf7 30. Nb5 Qe7 (30... Qd7 31. Qh3 $18)
(30... a6 31. Nc3 (31. Nxd6 Qd7 32. b4 (32. Nf5 Qa4+ $17) 32... Qa4+ $11) 31...
Qg7 32. Qxg7+ Kxg7 33. b4 Nd7 34. Nge2 $16 {Komodo11}) 31. Qg4 $18 Na6 $2 (
31... a6 32. Qc8+ Kg7 33. Nc7 Kf7 34. Nxa6 $18 (34. b4 $18)) 32. Qc8+ 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Andrews, Norman G"]
[Black "Thomas, Roy"]
[Result "0-1"]
[ECO "B93"]
[WhiteElo "1642"]
[BlackElo "1706"]
[Annotator "Rudy"]
[PlyCount "85"]
[EventDate "2018.??.??"]

1. e4 c5 2. Nc3 a6 3. f4 d6 4. Nf3 Nc6 5. d4 (5. a4) (5. g3) 5... cxd4 6. Nxd4
Nf6 7. Nxc6 (7. Be2) 7... bxc6 8. e5 {a similar variation to a Levenfish
against a Dragon} Ng4 (8... Nd7 {main}) (8... dxe5 {is dangerous, 77% for Wh}
9. Qxd8+ Kxd8 10. fxe5 Nd5 11. Bd2 Bf5 12. O-O-O) 9. Be2 Nh6 (9... h5 $11 {
Komodo11}) 10. Bf3 (10. exd6 exd6 11. Be3 Nf5 12. Bf2 d5 13. O-O $11 {
Rihouay-Goy, Avoine op 2008,1-0}) (10. Be3 e6 11. exd6 Nf5 12. Bf2 Bxd6 13. Qd2
Qc7 14. g3 Rb8 15. Rb1 (15. O-O-O $11) 15... O-O $11 {Delledonne-Peron, Bratto
op 2013,1-0}) (10. O-O $14 {Komodo11}) 10... d5 11. Be3 e6 12. g4 (12. O-O Rb8
13. Na4 Nf5 14. Bf2 Rb4 15. b3 (15. c3 $16) 15... Rxf4 16. Qd2 Rb4 $11 {
Gonzalez Diaz-Saric, ESP ch rapid , Linares 2017,0-1}) 12... g6 (12... Rb8 $11)
13. Ne2 (13. O-O $16) 13... Rb8 14. b3 c5 15. Ng3 d4 16. Bf2 $14 (16. Bd2 $16)
16... Be7 17. Qd3 Bb7 (17... Qa5+ 18. Kf1 O-O $14 {Komodo11}) 18. Bxb7 Qa5+ 19.
Qd2 Qxd2+ 20. Kxd2 Rxb7 21. h3 $16 {the Wh pieces are active & can get more so}
Kd7 22. Ne4 (22. Rhd1) 22... Ng8 23. c3 (23. g5 h6 24. h4 Kc6 25. c3 $16 {
Komodo11}) 23... f5 24. exf6 (24. gxf5 exf5 25. Ng3 dxc3+ 26. Kxc3 Ke6 27. Rac1
$14 {Komodo11}) 24... Nxf6 25. Nxf6+ Bxf6 26. cxd4 cxd4 (26... Rb4 $11 {
Komodo11}) 27. Kd3 Ke7 28. Rhc1 $16 (28. Rac1 $16) 28... Rd8 29. Rc4 g5 30.
fxg5 (30. Bg3) 30... Bxg5 31. Re1 $16 (31. h4 Bf4 32. Rxd4 Rxd4+ 33. Bxd4 e5
34. Bc5+ Ke6 35. Rd1 $16 {Komodo11}) 31... Rbd7 32. Rc6 (32. Re5 h6 33. Be1 $16
{Komodo11}) 32... Rd6 33. Rxd6 (33. Rc4) 33... Rxd6 34. Re5 (34. Bg3 Rc6 35.
Kxd4 Rc2 36. Ke4 Rxa2 37. h4 Bh6 38. g5 Bf8 39. Rd1 a5 40. h5 $14 {Komodo11})
34... Bf4 $11 35. Re4 (35. Rc5) 35... e5 36. Be1 (36. Re1 Kf6 37. Ke4 $11 {
Komodo11}) 36... Ke6 $17 {although Wh has a majority on both wings, & the Bl
pawns seem blockaded,the Bl pieces can cover more space; & also co-operate
better} 37. b4 (37. Bf2 Kd5 38. h4 (38. Bxd4 Kc6 $17) 38... Rh6 39. h5 Rf6 40.
Bxd4 exd4 41. Rxd4+ Kc6 $17 {Komodo11}) 37... Rc6 $19 38. Re2 Kd5 39. a4 Be3 (
39... Rc1 40. Bd2 Bxd2 41. Kxd2 Ra1 $19 {Komodo11}) 40. Ra2 (40. Rxe3 {seems
forced} dxe3 41. Kxe3 Rc1 $19 {Komodo11}) 40... e4+ (40... Rc1 41. Bd2 e4+ 42.
Ke2 Bxd2 43. Kxd2 Rh1 $19 {Komodo11}) 41. Ke2 Bf4 (41... Bg5) (41... Rc1) 42.
Kd1 d3 43. b5 {and Wh resigned because of Rc1 mate} 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Francis, Matthew"]
[Black "Orton, Paul"]
[Result "1/2-1/2"]
[ECO "C29"]
[WhiteElo "1694"]
[BlackElo "1608"]
[Annotator "Rudy"]
[PlyCount "59"]
[EventDate "2018.??.??"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3 Nxc3 6. bxc3 c5 (6... d4) (6...
Be7) (6... Nc6 7. Nf3 Bg4 8. d4 {Francis- Friel, Aberystwyth ch 2014,1-0}) 7.
Nf3 Nc6 8. Be2 Be7 9. O-O O-O 10. d4 (10. Qe1 {main}) 10... Be6 (10... f6 {main
}) 11. Be3 b6 $146 (11... c4) (11... f6) 12. Qd2 Bf5 13. Bg5 (13. Nh4 Be4 14.
Nf5 $11 {Stockfish9}) 13... c4 (13... Be4 $11) 14. Bxe7 Qxe7 15. a4 (15. Rae1
h6 16. Nh4 Be6 17. Nf5 Qg5 18. Qxg5 hxg5 19. a4 $14) 15... Rfd8 (15... f6 $11)
16. Ra2 {strange- Rs are not best just guarding weak pawns} (16. Ng5 Be6 17.
Rf2 Rf8 18. Raf1 Nd8 19. Bh5 $18 {Stockfish9}) 16... h6 (16... Bg4 $11) 17. Qf4
Be6 18. Raa1 Qd7 19. h3 (19. Nh4) 19... Ne7 20. g4 (20. Nh4) 20... Ng6 21. Qg3
Rf8 22. Kh2 Rae8 23. Nh4 {getting rid of a good attacker- the logical followup
to his last is to place Rs on the g file} (23. Rg1 f6 {creating some space
before Wh crunches through on the K side} (23... Kh7 24. h4 Ne7 25. h5 Rg8 26.
g5 {though Bl seems to hold with} Nf5 $11) 24. exf6 Rxf6 25. h4 Qe7 26. Rae1 (
26. h5 Bxg4 $19) 26... Nf4 27. g5 hxg5 28. Nxg5 Qf8 29. Bf3 Bd7 {with chances
for both sides}) 23... Nxh4 24. Qxh4 Qe7 25. Qxe7 Rxe7 26. a5 b5 $11 27. a6 Rb8
28. Bf3 Rb6 29. Ra5 Re8 30. Rb1 $11 {(draw?)} 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "2"]
[White "Howell, Alun"]
[Black "Probert, Malcolm"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1691"]
[BlackElo "1601"]
[Annotator "Rudy"]
[PlyCount "146"]
[EventDate "2018.??.??"]

1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. Nc3 e5 (4... Nf6 {main King's Indian}) 5. dxe5
dxe5 6. Qxd8+ Kxd8 7. Bg5+ f6 8. O-O-O+ Nd7 9. Be3 (9. Bd2) (9. Bh4) 9... c6 (
9... Bh6) (9... Nh6) 10. g3 (10. g4 Nh6 11. g5 Ng4 12. gxf6 Bxf6 13. Ne4 Nxe3
14. fxe3 Be7 15. Bh3 {Dondukov-Badmatsyrenov, Buryatia ch, Ulan Ude 2013, draw
agreed}) (10. Bc5 Nh6 11. h3 Nf7 12. e3 Kc7 13. Ba3 Bf8 14. Bxf8 Rxf8 15. h4 h5
16. Ne4 Nh6 17. Be2 {Machan-Smagin,Czech op, Pardubice 2015,1-0}) 10... Kc7 11.
Bg2 (11. Ne4 Nb6 12. b3 Bf5 13. Nc5 Re8 14. Bg2 Bh6 15. Bxh6 Nxh6 16. h3 Nf7
17. Nd2 Bc8 18. h4 f5 19. e4 f4 {Meyer-Berg, Politiken cup, Copenhagen 1991,0-1
}) 11... Ne7 (11... Nh6) 12. Ne4 Nb6 (12... b6 $11 {Komodo11}) 13. b3 (13. Bc5
$16 {Komodo11}) 13... Be6 (13... Bf5) 14. Bc5 (14. Nc5 $16) 14... Nec8 15. h3
a5 (15... Nd7) 16. a4 Nd7 $11 17. Ba3 Bf8 18. Kb2 Bxa3+ 19. Kxa3 Rd8 20. Rd2 f5
(20... Bf5 21. Nc3 Ncb6 22. g4 Be6 $11 {Komodo11}) 21. Neg5 (21. Nc3 $11) 21...
Bg8 $17 {the Wh pieces seem more advanced, but they can be driven back,
leaving the Bl pieces with more potentialities} 22. h4 h6 23. Nh3 Ncb6 24. Rc2
Re8 25. Nd2 Nc5 {now the Bl pieces take aim at all sorts of weaknesses} 26. e4
Rad8 27. f3 (27. h5 g5 28. exf5 g4 29. Ng1 Bh7 $19 {Komodo11}) 27... Rd3 $19
28. Nf2 Rd6 (28... Nxc4+ $1 {Komodo11, Bl has Ns & B & R lined up against
these squares, so a combination is a logical result} 29. Nxc4 (29. Rxc4 Rxd2
30. Rxc5 Rxf2 $19) 29... Rxb3+ 30. Ka2 Rb4 31. Bf1 b5 32. axb5 cxb5 $19 {
Komodo11}) 29. Re1 Red8 30. Re2 {compare this position with the one after Bl's
21st; now all the Wh pieces are lined up defensively} Ne6 {and become a target
in consequence} 31. Rb2 Nd4 (31... f4 32. gxf4 (32. g4 Nd4 33. Re1 Nxb3 34.
Nxb3 Nxc4+ 35. Ka2 Nxb2 36. Kxb2 Rd2+ 37. Nxd2 Rxd2+ 38. Kc3 Rxf2 $19) 32...
Nxf4 $19 {Komodo11}) 32. Re3 Ne6 (32... f4) 33. Nb1 f4 34. gxf4 exf4 35. Ree2
Nc5 $17 36. Bf1 (36. Rbc2 Nbd7 37. e5 (37. Nc3 Ne5 $19) 37... Re6 38. Bh3 Rxe5
39. Bxd7 Re3 40. Rxe3 fxe3 41. Ng4 h5 42. Nxe3 Rxd7 $17 {Komodo11}) 36... Bxc4
$19 {destruction of the Q side} (36... Nxb3 $1 {Koodo11} 37. Kxb3 Bxc4+ 38. Kc3
Bxe2 39. Rxe2 Nxa4+ 40. Kc2 Rd4 $19) 37. bxc4 Nxc4+ 38. Ka2 Nxb2 39. Kxb2 Nxa4+
40. Kb3 b5 $19 41. Rc2 Kb6 42. Na3 Nc5+ (42... Rd4) 43. Kb2 Rd2 (43... Rd4) 44.
Ng4 Na4+ 45. Kb3 Nc5+ (45... R8d4) 46. Kb2 h5 47. Ne5 Rxc2+ 48. Kxc2 Rd6 (48...
Rg8 49. Nxc6 Kxc6 50. Bxb5+ Kb6 51. e5 g5 {Komodo11}) 49. Nac4+ bxc4 50. Nxc4+
Kc7 51. Nxd6 Kxd6 $19 52. Bc4 Nd7 (52... Ne6 53. Kc3 g5 $19 {Komodo11}) 53. Kb3
Ne5 54. Be2 Kc5 55. Kc3 a4 56. Bd1 a3 57. Kb3 Kd4 58. Kxa3 c5 (58... g5 {gets
a Q on the h file}) 59. Kb2 c4 60. Kc2 c3 (60... Ke3) 61. Be2 Nc6 (61... Ke3)
62. Kc1 Ke3 63. Bd1 Nd4 64. e5 Ne6 65. Kc2 Kd4 (65... g5) 66. Be2 Kxe5 (66...
g5) 67. Kxc3 Ng7 (67... Nd4 68. Kd3 Nf5 $19) 68. Bd3 Nf5 69. Bxf5 Kxf5 70. Kd2
g5 71. hxg5 Kxg5 72. Ke2 Kh4 73. Kf2 Kh3 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Turner, Matthew J"]
[Black "Heap, Gerry"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2536"]
[BlackElo "2086"]
[Annotator "Rudy"]
[PlyCount "115"]
[EventDate "2018.??.??"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. O-O Rb8 8.
Nd2 Nf6 9. Nb3 O-O (9... Qc7 10. Bd2 d6 11. Ba5 Qd7 12. Bc3 O-O {main}) 10. Bf4
(10. Bd2 {a little more frequent}) 10... d6 $5 $146 {agreed by all Cloud
Engines to give Bl a slight advantage} (10... Ra8 11. Be5 Nh5 12. Bxg7 Nxg7 13.
c4 a5 {Yandemirov-Kokarev, Petroff mem op, St Petersburg 2000,1/2-1/2}) (10...
Rb7 11. Qc1 Re8 12. c4 d5 13. Rd1 Rb4 14. cxd5 cxd5 15. Qd2 a5 16. Be5 Qb6 17.
Qe1 {Stambulian-Smirnov, Astrakhan Major Cup 2000,1-0}) 11. Bxc6 Nh5 (11... a5
{Stockfish9}) 12. Bc1 a5 13. Bf3 a4 14. Nd4 Qc7 15. a3 Bd7 $14 (15... Bb7 $14)
16. c3 Rfc8 17. Re1 Nf6 18. Nc2 Bc6 (18... Ng4 19. Nb4 Qa7 20. Rf1 Ne5 21. Bg2
Nc4 22. e4 $14 {Stockfish9}) 19. Nb4 $16 Bxf3 (19... Bb5 20. e4 Nd7 21. Bf4 $16
{Stockfish9}) 20. exf3 Qd7 21. Be3 $16 h5 22. h4 (22. Kg2) 22... Rc4 (22... e6
$14) 23. Bg5 e6 24. Qd3 d5 25. Rad1 Rbc8 26. Kg2 Ne8 {both sides moving to
consolidate} 27. Qe2 Nd6 28. Nd3 R4c7 29. Bf4 (29. g4 $14 {Stockfish9}) 29...
Rb7 30. Ne5 (30. g4 $16) 30... Qb5 (30... Bxe5 31. Qxe5 Nc4 32. Qf6 Kh7 33. Qg5
Rh8 34. Be5 Rg8 35. Bf4 Rh8 $11 {Stockfish9; otherwise b2 falls}) 31. Nd3 (31.
Qxb5 Nxb5 32. Nd3 Bf8 33. Kf1 $14 {Stockfish9}) 31... Nf5 (31... Nc4 32. Nb4
$11 {Stockfish9}) 32. g4 (32. Be5 Bxe5 33. Qxe5 Qd7 34. Rh1 Nd6 35. Nb4 Nc4 36.
Qe2 Qb5 37. Qc2 Kg7 38. Rhe1 $14 {Stockfish9}) 32... hxg4 33. fxg4 Nxh4+ 34.
Kg3 g5 (34... Bf6 35. Be5 Be7 36. Bd4 Qc6 $11 {Stockfish9}) 35. Bxg5 Ng6 36. f4
d4 $11 37. cxd4 Bxd4 38. Nb4 e5 (38... Rc4 $11 {Stockfish9}) 39. f5 $18 Nf8 40.
Qg2 (40. Qh2 $18) (40. Qxb5 Rxb5 41. Rh1 $18 {both Stockfish9}) 40... Nh7 $16
41. Be3 Rc4 (41... Rd7) 42. Bxd4 (42. g5 $18 {Stockfish9}) 42... exd4 43. Rd2 (
43. Qh1 $18 {Stockfish9}) 43... d3 {best try} 44. Nxd3 Nf6 (44... Rd4 45. Ne5
Rxd2 46. Qxd2 Qxb2 47. Qxb2 Rxb2 48. Rc1 $16 {Stockfish9}) 45. Ne5 $18 Qb3+ 46.
Kh2 (46. Kh4 $1 $18) 46... Re7 $16 47. g5 (47. Rd3 $16) 47... Ng4+ (47... Rh4+
$1 {Stockfish9} 48. Kg1 Nd7 (48... Qb6+ 49. Qf2 Rg4+ 50. Kh2 Qxf2+ 51. Rxf2
Rxg5 52. Rg2 Rg7 53. Reg1 Rxg2+ 54. Rxg2+ Kf8 55. Nc4 $14) 49. Qa8+ Nf8 50. Qg2
Nd7 $11 51. Nf3 Rxe1+ 52. Nxe1 Qe3+ 53. Qf2 Qh3 54. Qf3 Rg4+ 55. Rg2 Rxg2+ 56.
Qxg2 Qxf5 57. Qa8+ Nf8 58. Qxa4 Qxg5+ $11 {Stockfish9}) 48. Nxg4 Rxe1 {Bl has
won the exchange, but Wh retains an initiative- if played exactly according to
the Engines} 49. Qa8+ (49. g6 $16) 49... Kg7 50. f6+ Kh7 $2 {the wrong K move!
( but its far from easy to calculate)} (50... Kg6 $1 51. Qg8+ Kf5 52. Qh7+ Ke6
(52... Kxg4 53. Rg2+ Kf4 $1 (53... Kf3 54. Qf5+ $18 (54. Qh5+ Ke3 55. Qh3+ Kd4
56. Qd7+ $11) 54... Ke3 55. Qh3+ (55. Qf2+ Ke4 56. Qxe1+ $18) 55... Kd4 $11)
54. Qh4+ Kf5 55. Qxe1 (55. Qh7+ Ke5 $19) 55... Qb8+ 56. Kg1 Qb6+ 57. Kh1 Qc6
58. Qf1+ Kg6 59. Qb1+ Qe4 60. Qxe4+ Rxe4 $11 {Stockfish9}) 53. Qh8 Rcc1 54.
Qe8+ Kf5 55. Nh6+ Kg6 56. Qg8+ Kh5 57. Qxf7+ Qxf7 58. Nxf7 Kg6 59. Nd8 Rh1+ 60.
Kg3 Rhg1+ 61. Kf3 Rxg5 62. f7 Rf5+ 63. Ke2 Rg1 $11 {Stockfish9}) 51. g6+ $18 {
in the variations above the g5 pawn gave extra cover for the Bl K} Kxg6 (51...
fxg6 52. Rd7+ Re7 53. Rxe7#) 52. Qg8+ Kf5 53. Nh6+ Kf4 54. Rf2+ Ke3 (54... Ke5
55. Qe8+ Kd6 56. Rd2+ Rd4 57. Qd8+ Kc6 58. Qxd4 $18 {Stockfish9}) 55. Nf5+ $1
Kd3 (55... Kxf2 56. Qg2#) 56. Qd8+ Ke4 57. Qe7+ Kd5 58. Qd6+ (58. Qd6+ Ke4 59.
Rf4#) 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Jones, Iolo C"]
[Black "Musson, Adam J"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2206"]
[BlackElo "2020"]
[Annotator "Rudy"]
[PlyCount "94"]
[EventDate "2018.??.??"]

1. c4 e5 2. g3 Nf6 3. Bg2 h6 (3... d5) (3... c6) (3... Nc6) (3... Bc5) 4. Nc3
Bb4 5. e3 (5. Nf3) (5. Nd5) (5. e4) 5... Bxc3 6. bxc3 O-O 7. d4 (7. e4) 7... d6
8. Ba3 $146 (8. Ne2 Nc6 9. O-O Bf5 10. c5 Qd7 11. cxd6 cxd6 12. Ba3 Rfd8 13. c4
Bh3 {Fargac-Richterova, Karvina op 2013,0-1}) (8. Nf3 Nbd7 9. Nd2 Rb8 10. O-O
Re8 11. Qa4 a6 12. Rb1 Nb6 13. Qc2 c6 14. Ba3 {Hoermann-Winterholler,
Nuremberg LGA cup 2012,1-0}) 8... Re8 (8... e4 $15) 9. Ne2 Nc6 10. O-O e4 $15
11. Nf4 Bg4 12. Qc2 (12. f3) 12... Na5 $17 13. Qa4 b6 14. Nd5 Be2 (14... Nh7
$19 {Stockfish9} 15. Bb4 Bd7 16. Qc2 Nxc4 17. Bxe4 Ng5 18. Bd3 Nd2 19. c4 Nxf1
20. Rxf1 c6 21. Nf4 c5 22. Bc3 cxd4 23. exd4 Nh3+ 24. Nxh3 Bxh3 25. Rd1 Qg5 $19
{Stockfish9}) (14... Bf3 $17) 15. Rfe1 Bxc4 (15... Bd3 $15) 16. Nxf6+ Qxf6 17.
Bb4 d5 (17... Bd3) 18. Bxa5 bxa5 19. Qxa5 Qb6 $11 20. Qa3 Reb8 (20... Rab8) 21.
Bf1 Qb2 (21... Bxf1 22. Rxf1) 22. Qe7 (22. Qc5 $14) 22... Bxa2 23. Qxc7 a5 $15
24. Rec1 (24. c4 Rc8 25. Qd7 dxc4 26. Bg2 Re8 27. Qg4 h5 28. Qxh5 c3 29. Qg4
Bd5 $17 {Stockfish9}) 24... a4 (24... Rc8) 25. c4 Rc8 (25... dxc4 $17) (25...
Bxc4 26. Bxc4 Rc8 27. Qe5 dxc4 28. Qxe4 c3 $17 {Stockfish9}) 26. Qd7 dxc4 27.
Qd5 Rab8 (27... Bb3 28. Qxe4 a3 $17 {Stockfish9}) 28. Bh3 Re8 (28... Rf8) 29.
Bf1 (29. Bd7 Red8 30. Qa5 c3 (30... Rxd7 31. Qxa4 $11) 31. Bc6 c2 32. Bxe4 Bb1
$17 {Stockfish9}) 29... Rec8 (29... a3 $19) (29... Re6 $19) 30. Bh3 Rd8 31.
Qxe4 a3 32. Qc6 Rb6 (32... Bb1 $1 $19 {Stockfish9}) 33. Qc5 Rdb8 (33... Rf6 $19
) 34. Bf1 Rf6 $19 35. f4 Qd2 36. Re1 (36. Qxa3 Rb2 37. Qa8+ Kh7 38. Qe4+ g6 39.
Bg2 Re6 40. Qf3 c3 $19 (40... Rxe3 $19 {Stockfish9})) 36... Rb1 37. Rexb1 Qxe3+
38. Kh1 Bxb1 39. Qxa3 (39. Rxb1 Qe4+ 40. Kg1 Qxb1 41. Qxa3 Qe1 $19 {Stockfish9}
) 39... Be4+ (39... Qe4+ $1 {even stronger} 40. Kg1 (40. Bg2 Qe1+ 41. Bf1 Qxf1#
) 40... Qxd4+ 41. Kg2 Be4+ 42. Kh3 Bf5+ 43. Kg2 Rb6 $19 {Stockfish9}) 40. Bg2
Qxd4 (40... c3 $1) 41. Bxe4 Qxe4+ 42. Kg1 Qd4+ 43. Kh1 Rb6 44. Qa8+ Kh7 45. Re1
Rb2 46. Qe4+ Qxe4+ 47. Rxe4 c3 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "French, Max"]
[Black "Waddington, Mike P"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "1997"]
[BlackElo "2086"]
[Annotator "Rudy"]
[PlyCount "62"]
[EventDate "2018.??.??"]

1. d4 f5 2. c4 Nf6 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O d6 7. Nc3 c6 8. Qb3 (
8. d5) (8. b3) (8. Qc2 {main lines}) 8... Ne4 (8... Kh8) (8... Na6 {main lines}
) 9. Rd1 Nxc3 10. bxc3 Nd7 (10... Kh8 11. c5 dxc5 12. Ng5 Qe8 13. d5 e5 14.
dxe6 h6 15. Nf7+ Kh7 16. Nd6 Qxe6 17. Qxe6 Bxe6 18. Nxb7 Na6 19. Be3 {
Piesina-Szabolcsi, HUN ch op, Eger 1987,1-0}) (10... Qc7 11. Bb2 Nd7 12. d5 c5
13. e4 fxe4 14. Ng5 Ne5 15. Nxe4 Bf5 16. Bc1 Bg4 17. Ng5 Rab8 18. Ne6 Bxe6 19.
dxe6 Nf3+ 20. Kh1 {Morales Quezada-Lind, Dos Hermanas blitz 2004,1-0}) (10...
Qb6 {Cloud Engines}) 11. e4 (11. Ng5 Nf6 12. e4 fxe4 13. Nxe4 Nxe4 14. Bxe4 Qc7
15. Rb1 Kh8 {Kormos-Medvegy, HUN ch tm Erkel 2010,1-0}) (11. c5+ d5 12. Bf4 $16
{Cloud Engines}) 11... fxe4 12. Ng5 Nf6 13. Nxe4 Qc7 (13... Nxe4 {Cloud
Engines, incl Houdini1.5 & Fritz15 from players}) 14. Bf4 (14. c5+ Kh8 15. Ng5
$14 {Cloud Engines}) 14... Nxe4 15. Bxe4 Be6 16. d5 {Stockfish9} cxd5 17. Bxd5
Bxd5 (17... Bf7 {Cloud Engines}) 18. Rxd5 Rxf4 $5 (18... b6 19. c5 Rf7 {Cloud
Engines} 20. cxd6 exd6 21. Rc1 Rc8 22. c4 Be5 23. Be3 $14 {Stockfish9}) 19.
gxf4 $16 e6 (19... Qd7 20. Rd3 Kh8 21. Re1 $16 {Stockfish9}) 20. Rb5 (20. Rd3 {
Cloud Engines}) 20... b6 21. a4 (21. Re1 $16 {Cloud Engines}) 21... Rf8 $11 22.
f5 gxf5 23. a5 Rf6 24. axb6 Rg6+ 25. Kf1 (25. Kh1 Qb7+ $19) 25... Qb7 $11 26.
Qb1 axb6 27. Rxb6 Qg2+ 28. Ke2 Qg4+ 29. Kd2 Qf4+ 30. Kc2 $2 (30. Ke2 Qg4+ $11)
30... Qxf2+ 31. Kb3 (31. Kd3 Qf3+ 32. Kc2 Qxc3+ 33. Kd1 Rg1+ 34. Ke2 Rg2+ 35.
Kf1 Qf3+ 36. Ke1 Bc3#) 31... Qxb6+ 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Young, Alan"]
[Black "Zeidler, Sven P."]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2036"]
[BlackElo "2165"]
[Annotator "Rudy"]
[PlyCount "57"]
[EventDate "2018.??.??"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 (3... Qd6 {has been more usual for Bl in the
past}) 4. d4 (4. Bc4 Nf6 5. d4 c6 6. Nf3 Bf5 7. O-O e6 {Heaven-Zeidler, West
Wales op 2017,0-1}) 4... Nf6 5. Nf3 Bg4 6. h3 {main} (6. Be2 e6 7. O-O (7. h3
Bh5 8. O-O c6 9. Re1 Be7 10. Bf4 O-O 11. Bh2 Nbd7 {Kilpatrick-Zeidler, 4NCL
2018,1/2-1/2; a long ending where Bl had to defend with N vs R}) 7... Be7 8.
Be3 {Jukes-Zeidler, Rd1, 1/2-1/2}) 6... Bxf3 7. Qxf3 c6 8. Be3 e6 {the
position resembles a Caro-Kann} 9. O-O-O (9. Bd3) 9... Nbd7 (9... Bb4 10. Ne4
Nxe4 11. Qxe4 Qd5 12. Qxd5 cxd5 13. c4 {69% for Wh}) 10. g4 {67% Wh} (10. Kb1 {
71% Wh}) 10... Nb6 (10... Nd5 11. Nxd5 cxd5 {2 draws, 1 Wh win}) 11. Rg1 $146 {
Stockfish8} (11. Ne4 Nxe4 12. Qxe4 Qd5 13. Qxd5 Nxd5 14. c4 Nxe3 15. fxe3 Be7
16. Bg2 h5 {Otgonsuvd-Anu, MGL ch women, Uliastai 2016, 1/.2-1/2}) (11. g5 $16
{Stockfish9} Nfd5 12. Ne4 Nxe3 13. fxe3 Be7 14. h4 Qd5 15. Kb1 Qf5 16. Qg2 Qa5
17. Qf2 Qf5 {Ivic-Piskur, Zadar op 2017,1/2-1/2}) 11... Nbd5 (11... Nfd5 {
Stockfish8 & Fritz13}) 12. g5 Nd7 13. Nxd5 cxd5 14. Kb1 $16 Rc8 15. h4 Qa5 (
15... Be7 16. Bd3 a6 17. h5 g6 18. Rde1 $16 {Stockfish9}) 16. h5 $18 Rc6 17.
Rd3 (17. Bd3 $18) (17. Bd2 $18) 17... Be7 (17... b5 $5) 18. Bd2 Qc7 19. Rb3 O-O
(19... Rxc2 20. Bc3 $18) 20. Bb5 $18 (20. Bd3 $18 {the Bl Q side pieces are
not much use in defence of their K}) 20... Nb6 (20... Rxc2 21. Bc3 Rxc3 22.
Rxc3 Qd6 23. Qg4 $18 {Stockfish9}) 21. Bxc6 (21. Bf4) 21... Nc4 22. Bc1 bxc6 (
22... Qxc6) 23. Qg4 a5 24. g6 fxg6 25. hxg6 Bf6 26. Qxe6+ Kh8 27. Rh1 (27. Rh3
{mates quicker, Stockfish9}) 27... h6 28. Bxh6 gxh6 29. Rxh6+ 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "James, David J"]
[Black "May, Adam J"]
[Result "1/2-1/2"]
[ECO "D60"]
[WhiteElo "2119"]
[BlackElo "1951"]
[Annotator "Rudy"]
[PlyCount "37"]
[EventDate "2018.??.??"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 h6 7. Bh4 O-O 8. Bd3
(8. Rc1) 8... c5 (8... dxc4) (8... b6) 9. cxd5 Nxd5 10. Bxe7 Nxe7 11. O-O cxd4
12. Nxd4 Nf6 13. Rc1 (13. Qe2) 13... a6 (13... Bd7) (13... e5) 14. Ne4 Nfd5 (
14... Ned5 15. Nxf6+ Nxf6 16. Qc2 Nd5 17. a3 Bd7 18. Qb3 {Snajder-Filipi,
Klatovy op 2000, draw agreed}) 15. Bb1 e5 (15... Qb6 16. Nd2 Qxb2 17. Nc4 Qb4
18. Qd3 Nf6 19. e4 $14 {Houdini4 & Stockfish9}) 16. Nf3 Bg4 17. h3 (17. Ng3 $14
{both Engines}) 17... Bxf3 18. Qxf3 Qb6 19. Qe2 $11 {(draw?)} (19. Nc3 Nf6 20.
Ne4 Ned5 21. Bc2 $11 {both Engines}) 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "May, Frank"]
[Black "Moore, Robert"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2096"]
[BlackElo "1840"]
[Annotator "Rudy"]
[PlyCount "80"]
[EventDate "2018.??.??"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. b3 Bg7 5. Bb2 O-O 6. O-O c6 7. c4 Nh5 {rare} (
7... Nbd7) (7... Bg4) (7... a5) (7... Re8) 8. Bxg7 Nxg7 (8... Kxg7 9. Qc2 Kg8
10. cxd5 Qxd5 11. Nc3 Qa5 12. a3 a6 13. b4 Qb6 14. Na4 Qd8 15. d4 Bg4 16. Rfd1
{Tokovic-Dankovic, Vojvodina ch tm, Vrbas 2011,1-0}) 9. d4 Nd7 (9... f6 10. Nc3
e6 11. e4 Na6 12. a3 Nc7 13. Re1 b5 {Ashlock-McKenzie,Victoria op, Box Hill
2004,1-0}) 10. cxd5 (10. Nbd2 f5 11. e3 e6 12. Qc2 Qf6 13. Rac1 Ne8 {
Bruckner-Igel, Trebitsch mem, Vienna 1936, 1-0}) (10. Nc3 Nf6 11. Ne5 Bf5 12.
f3 Nd7 13. cxd5 Nxe5 14. dxe5 Qb6+ 15. Kh1 Rad8 16. e4 Bc8 17. Qe2 {De
Rover-Veerman, Haarlem AKN op 1995,1-0}) 10... cxd5 11. Nc3 e6 (11... Nf6 12.
Ne5 Bf5 13. f3 Rc8 14. Rc1 Qa5 15. Qd2 Rc7 16. Qb2 Rfc8 17. b4 Qa6 18. g4 Be6
19. Nd3 Qc4 20. Nd1 {Bangiev-Ubilava, Sevastopol 1973,1-0}) 12. Rc1 $14 b6 13.
Qd2 (13. e4 $5) 13... Ba6 14. Rfd1 Rc8 15. Ne1 Nf5 16. f3 Qf6 (16... Qe7 17. e4
dxe4 18. fxe4 Nd6 $11 {Stockfish9}) 17. e4 dxe4 18. fxe4 Ng7 19. Nf3 (19. b4
Bc4 20. e5 Qe7 21. Ne4 Bd5 22. Nd6 Rxc1 23. Rxc1 f6 24. Rc7 Bxg2 25. Nxg2 fxe5
26. dxe5 Nxe5 27. Rxe7 Nf3+ 28. Kf1 Nxd2+ 29. Ke2 Nb1 30. Rxa7 Nc3+ 31. Kd3
Nxa2 32. Rxa2 Rd8 33. Ke4 Rxd6 $11 {Stockfish9}) 19... Rfd8 20. Qe3 Qe7 21. e5
(21. Bf1) 21... Nf5 22. Qf4 Qb4 23. Ne4 (23. g4 Rxc3 24. gxf5 Rxc1 25. Rxc1
exf5 26. e6 fxe6 27. Rc7 Qe7 28. Rxa7 Bb5 $11 {Stockfish9}) 23... Be2 24. Rxc8
Rxc8 25. Qd2 Qxd2 26. Rxd2 Bxf3 27. Bxf3 Kg7 $11 28. g4 Ne7 29. Nd6 Rc1+ 30.
Kf2 Nd5 (30... h6 $11 {Stockfish9}) 31. g5 (31. Bxd5 exd5 32. Rd3 Rc2+ 33. Kg3
Kg8 34. a4 Nf8 35. Ne8 Nd7 36. g5 $16 {Stockfish9}) 31... Nb8 (31... Ne7 $11)
32. Bxd5 exd5 33. Kg2 (33. Ne8+ Kf8 34. Nf6 Nc6 35. Nxd5 $18 {Stockfish9})
33... Nc6 $11 34. Rf2 (34. Ne8+ Kf8 35. Nf6 Nb4 $11) 34... Nd8 35. Ne8+ Kf8 36.
Nf6 Ne6 37. Rd2 Nxg5 38. Nxd5 Ne4 39. Re2 Nc3 40. Nxc3 Rxc3 $11 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Taylor, Robert Graham"]
[Black "Rayner, Francis"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1906"]
[BlackElo "2043"]
[Annotator "Rudy"]
[PlyCount "86"]
[EventDate "2018.??.??"]

1. b3 e5 2. Bb2 Nc6 3. d3 (3. e3 d5 4. Bb5 {more usual}) 3... d5 4. Nd2 Be6
$146 {unusual this early} (4... Nf6 {main}) 5. Ngf3 f6 {though this position
has been examined by Cloud Engines in previous years. Bl is playing a kind of
reversed Samisch} 6. e3 {while Wh is playing a kind of reversed Hippopotamous}
Qd7 7. Be2 Nge7 (7... g5 $15 {Deep Rybka 4 & Stockfish9}) 8. c3 g5 9. b4 Ng6 (
9... g4 10. Nh4 Ng6 11. Nxg6 hxg6 12. Nb3 b6 $15 {Stockfish9}) 10. Nb3 $11 b6
11. b5 Nd8 12. d4 Nf7 13. a4 (13. O-O $11) 13... Be7 14. h4 (14. Rc1 $11) (14.
O-O $11) 14... e4 $17 15. h5 Nf4 (15... exf3 16. hxg6 fxe2 17. gxf7+ Kxf7 18.
Qxe2 h5 $17 {Stockfish9}) 16. exf4 exf3 17. Bxf3 g4 (17... O-O-O) 18. Be2 Nd6
19. g3 O-O 20. Nd2 Rae8 (20... f5 21. Qb3 Rf7 22. Bd3 $14 {Stockfish9}) 21. O-O
(21. Nf1 $16 Nc4 22. Bxc4 dxc4 23. Kd2 Bd5 24. Ne3 Bxh1 25. Qxh1 f5 26. Nxc4
Bd6 27. Qd5+ Qf7 28. Qxf7+ Kxf7 29. a5 Re6 30. axb6 axb6 31. Ra7 Re7 32. Kd3
$16 {Stockfish9; the Bl Rs have no entry & Wh will swap Bs, & then have a
powerful centralised N}) 21... f5 22. f3 (22. Qb3 Bf7 23. Rfe1 Ne4 24. Nxe4
fxe4 25. h6 Be6 26. Kg2 $16 {Stockfish9}) 22... Rf6 23. Rc1 (23. Rf2 Bf8 24.
Rh2 Rh6 25. Bc1 $14 {Stockfish9}) 23... Rh6 24. c4 Rxh5 25. cxd5 (25. c5 Nc4
26. Nxc4 dxc4 27. cxb6 cxb6 28. fxg4 Rh3 29. g5 Bd5 30. Rf3 (30. Bf3 Rxg3+ 31.
Kh2 Rxf3 32. Rxf3 Bd6 $19) 30... Bxf3 31. Bxf3 Rxg3+ 32. Kh2 Rxf3 33. Qxf3 Bd6
34. Rxc4 Qe6 35. Rc2 Qe4 36. Qxe4 Rxe4 37. Bc1 Rxd4 38. Rc8+ Kf7 39. Kg3 Rxa4
40. Rh8 Kg7 41. Rd8 Ba3 42. Bxa3 Rxa3+ 43. Kh4 $11 {Stockfish9}) 25... Bxd5 $19
26. Nc4 Rh3 27. Ne5 Qe6 (27... Rxg3+ 28. Kf2 Bh4 29. Ke3 Qe6 $19 {Stockfish9})
28. fxg4 (28. Kg2 Kh8 29. Rc3 Rg8 30. Qe1 Qh6 31. Rh1 Qh5 $19 {Stockfish9})
28... Rxg3+ 29. Kf2 Bh4 (29... Ne4+ 30. Ke1 Bb4+ $19 {quickest- Stockfish9})
30. Rg1 Rd3+ (30... Rf3+ 31. Kg2 Rf2+ 32. Kh3 Bg3 33. g5 (33. Kxg3 Ne4+ 34. Kh4
Qh6#) 33... Bxf4 {leads to mate-Stockfish9}) 31. Kf1 Rxd1+ 32. Rxd1 Kh8 (32...
Qe7) 33. g5 Ne4 (33... Nc4) 34. g6 Ng3+ 35. Ke1 Nxe2+ 36. Kxe2 hxg6 37. Kd2 g5
38. fxg5 Kg7 39. Rc1 Qd6 40. Bc3 Be4 41. g6 Rxe5 42. Ke2 Re8 43. Bb2 Qh2+ 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Thomas, Roy"]
[Black "Williams, A. Howard"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1706"]
[BlackElo "2274"]
[Annotator "Rudy"]
[PlyCount "56"]
[EventDate "2018.??.??"]

1. f4 d5 2. e3 g6 3. Nf3 Bg7 4. d4 Nf6 5. c4 c5 (5... O-O) (5... c6) 6. Nc3 O-O
7. Be2 (7. dxc5) (7. cxd5) 7... Nc6 8. O-O cxd4 9. Nxd4 (9. exd4 {0-4}) 9...
Nxd4 10. Qxd4 (10. exd4 $17 dxc4 11. Bxc4 Bg4 12. Be2 Bxe2 13. Nxe2 Qd5 14. Nc3
Qd7 15. Qf3 Rfd8 16. h3 Nd5 17. Qxd5 Bxd4+ 18. Kh1 Qxd5 19. Nxd5 Rxd5 {
Andreassen-Lois, FICGS rapid 2010,0-1}) 10... Be6 $17 11. Qc5 dxc4 12. Rd1 (12.
Bf3 Nd7 13. Qa3 Qb6 14. f5 gxf5 15. Qxe7 Bf6 16. Qa3 Rad8 17. Bd2 Ne5 18. Na4
Qa6 19. Bb4 Rd3 {Chicco-Marcotulli, SEMI email 2001,0-1}) 12... Nd7 13. Qb4 Qb6
(13... Qc7) 14. Qxe7 (14. Qxb6 Nxb6 15. Bd2 Rfd8 $17 {Komodo11}) 14... Rfe8 (
14... Nc5) 15. Qh4 (15. Qd6 Qxd6 16. Rxd6 Nc5 $17 {Komodo11}) 15... Nf6 (15...
Nc5) 16. Kf1 (16. Kh1 {a little better}) 16... Rad8 17. e4 (17. Rxd8 Qxd8 (
17... Rxd8 18. e4 Ne8 19. g4 $11) 18. e4 Qd4 19. Qf2 Ng4 20. Qxd4 Bxd4 21. h3
Ne3+ 22. Bxe3 Bxe3 23. f5 gxf5 24. exf5 Bxf5 25. Bxc4 Rc8 26. Nd5 Bg5 $15 {
Komodo11}) 17... Rxd1+ 18. Bxd1 Qd4 $17 (18... Nxe4 $1 $19 19. Nxe4 Bf5 20. Nf2
Bf6 21. Qh6 Qb4 22. Be2 Bd3 23. Be3 Bxe2+ $1 (23... Rxe3) 24. Kxe2 Qxb2+ 25.
Kf1 (25. Kf3 Rxe3+ $1) 25... Qxa1+ 26. Ke2 Qb2+ 27. Kf1 Rxe3 {mating, Komodo11}
) 19. e5 Nd5 20. Nb5 $2 (20. Qf2 Qxf2+ 21. Kxf2 f6 22. exf6 Bxf6 23. Bd2 Nb4
24. Be2 Rd8 25. Rd1 Nd3+ 26. Bxd3 cxd3 $17 {Komodo11}) 20... Qxd1+ 21. Qe1 (21.
Kf2 Nb4) 21... Qxe1+ 22. Kxe1 Bf8 (22... f6) 23. a3 f6 24. Nd4 fxe5 25. fxe5
Bc5 (25... Bg7) 26. Nf3 Bg4 27. Bh6 Bxf3 28. gxf3 Rxe5+ 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Di-Vetta, Andrew"]
[Black "Brown, Thomas"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "1665"]
[BlackElo "2085"]
[Annotator "Rudy"]
[PlyCount "64"]
[EventDate "2018.??.??"]

1. Nf3 g6 2. g3 c5 3. Bg2 Bg7 4. c4 Nc6 5. O-O e6 6. Nc3 Nge7 7. e3 (7. d3) (7.
a3) 7... O-O 8. d3 (8. d4 {more forceful, 47% for Wh}) 8... d5 {27% for Wh} 9.
Rb1 (9. cxd5 Nxd5 10. Nxd5 exd5 11. d4) 9... b6 10. a3 Bb7 11. Qc2 Qd7 12. b3 (
12. Bd2 d4 13. Ne2 dxe3 14. fxe3 Rad8 15. Nc1 e5 {Isaev-Askarov, RUS ch U14,
Smolensk 2001,0-1}) 12... Rfd8 (12... Rad8 13. Rd1 d4 14. Ne2 e5 (14... dxe3
$15) 15. exd4 cxd4 16. b4 f5 17. b5 Nb8 18. a4 Rc8 19. Qb3 Kh8 20. Ba3 $11 {
Rosell-Eriksson,Helsingor Xtracon op 2016,1-0}) 13. Bb2 (13. cxd5 Nxd5 14. Nxd5
Qxd5 15. Rd1 Ne5 16. Ne1 Qd7 17. Bxb7 Qxb7 18. Qe2 $11 {Komodo11}) 13... d4 $15
14. exd4 Nxd4 15. Nxd4 Bxg2 16. Kxg2 Bxd4 17. Rbd1 Kg7 (17... Qb7+ 18. f3 Nf5
19. Bc1 Bg7 $17 {Komodo11}) 18. Ne4 Nc6 19. Bc1 Qb7 20. f3 Ne7 (20... f5 21.
Nc3 Bf6 22. Ne2 Rd7 $15) 21. Rfe1 $11 (21. Qe2 $11) 21... h6 22. Nf2 (22. b4
$11) (22. Qe2 $11) 22... Bxf2 (22... Nf5 $15) 23. Kxf2 (23. Qxf2) 23... Nf5 24.
Bb2+ Nd4 (24... Kh7 25. Re4 Nd6 26. Ree1 Nf5 27. Re4 $11 {Komodo11}) 25. Bxd4+
(25. Re4 Qe7 26. Rde1 Qf6 27. Rf4 Qe7 28. Qe2 Rd7 29. Bxd4+ cxd4 30. Qe5+ Kh7
31. Rxd4 Rxd4 32. Qxd4 Qxa3 33. Qc3 $11 {Komodo11}) 25... Rxd4 $15 26. Qe2 (26.
Re4 Rad8 27. Qc3 Kh7 28. Rd2 $15 {Komodo11}) 26... Re8 (26... Rad8) 27. b4 Qe7
28. Qb2 f6 (28... e5) 29. Re4 Rd6 (29... Red8 $15) (29... e5 $15) 30. d4 $11
cxd4 31. Rexd4 Red8 32. R1d3 Rxd4 {(draw?) Perhaps Wh could get some winning
chances by an advance of the c pawn?} 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Van Kemenade, Julie"]
[Black "Van Kemenade, Rudy"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "1692"]
[BlackElo "1981"]
[Annotator "Rudy"]
[PlyCount "82"]
[EventDate "2018.??.??"]

1. e4 e5 2. Bc4 Nf6 3. d3 (3. Qe2 Nc6 4. c3 Bc5 5. Nf3 O-O 6. Bb3 d6 7. O-O h6
8. d3 Kh7 9. Be3 Nd7 10. Bc2 Bb6 11. Nbd2 g6 12. h3 {J Van Kemenade-R Van
Kemenade, Huddersfield Ch 2002, 1-0 -ended up sharing the title}) 3... c6 4.
Nf3 Be7 (4... d5 5. exd5 cxd5 6. Bb3 Nc6 7. O-O Be7 8. Re1 Bg4 9. h3 Bxf3 10.
Qxf3 O-O {J van Kemenade-R Van Kemenade,Aberystwyth ch 2008,0-1}) 5. Nc3 (5.
Nxe5 $2 Qa5+ $19 {15 games in the database, plus internet games}) (5. O-O d6 6.
c3 Nbd7 7. Nbd2 h6 8. Re1 Qc7 9. Nf1 d5 10. Bb3 dxe4 11. dxe4 Nc5 12. Bc2 Bg4 {
Heap- R Van Kemenade, Dyfed League 2015, 1/2-1/2}) 5... d6 6. h3 h6 (6... O-O {
main}) 7. Bb3 Nbd7 8. Ne2 (8. O-O Nf8 (8... g5 9. Nh2 Nf8 10. d4 Qc7 11. dxe5
dxe5 12. Be3 Ng6 13. Qe2 Nf4 {Maier-Zimmermann, SUI-South Germany, Bern 1923,1/
2-1/2}) 9. d4 Qc7 10. dxe5 dxe5 11. Qe2 Be6 12. Be3 Bxb3 13. axb3 a6 14. Na4
N8d7 15. Rfd1 O-O 16. Nc3 Bc5 {Haddock-Parry, London Classic op 2012,0-1}) 8...
Nc5 9. c3 Nxb3 10. axb3 Qc7 11. Ng3 d5 (11... O-O) 12. Qe2 dxe4 {removes
threats to e5} 13. dxe4 Be6 14. Qc2 (14. Nf5 Bf8 15. b4 g6 16. Ng3 Bg7 17. O-O
O-O $11 {Komodo11}) (14. c4 {weakens the wh squares , but should be ok} a5 15.
Bd2 O-O 16. O-O Nd7 17. Nf5 Bxf5 18. exf5 Rfe8 19. Rfd1 b6 20. Be1 $11 {
Komodo11}) 14... Nd7 15. Be3 a6 16. O-O O-O 17. Nf5 {before Bl can play Rfe8,
to retreat the B to f8} Bxf5 18. exf5 $11 Nf6 19. Ra4 {throwing the R into the
K for a dangerous attackside} (19. Nd2 Rad8 20. Ne4 Nxe4 21. Qxe4 Rd5 22. Qg4
Kh7 23. Rfe1 Rfd8 24. b4 $11 {Komodo11}) 19... Nd5 (19... Rad8 20. Nh2 Nd5 21.
Re1 Rfe8 22. Bc1 Bc5 23. Rg4 Qd6 $11 {Komodo11; after unclear regroupings on
both sides}) 20. Rg4 (20. Bc1 {expected by Bl to maintain sacrificial chances})
20... Nxe3 (20... Nf6 21. Ra4) 21. fxe3 Qb6 {not after pawns but to come down
the centre against the Wh K side buildup.} 22. Kh1 Bf6 23. e4 {keeps the pawn,
but cuts the R off from returning to the centre ( & also deprives the N of
this square)} (23. Nd2 Qxe3 (23... Kh7 24. Nc4 Qb5 25. Ra1 Qc5 26. b4 Qe7 27.
Nd2 Rad8 28. Ne4 $11) 24. Rf3 Qb6 25. Ne4 c5 26. Rfg3 Kh8 27. Nxf6 Qxf6 28.
Rxg7 Rfe8 29. Qe4 Qxg7 (29... b5 30. Qe3 Qxg7 {forced} (30... Ra7 31. R3g6 Qxg7
32. Rxh6+ Kg8 33. f6 Qg6 34. Rxg6+ fxg6 35. Qh6 Rd7 36. Qxg6+ $18) 31. Rxg7
Kxg7 32. f6+ Kxf6 33. Qxh6+ Ke7 $11 {Komodo11})) (23. Rb4 Qxe3 24. Re1 Qa7 25.
Rbe4 Rad8 26. Nxe5 Qb8 $11 {Stockfish9}) 23... Rad8 $17 (23... Rfd8 $17 {
Komodo11}) 24. b4 Qe3 (24... h5 25. Rg3 Qe3 26. h4 Qd3 27. Qxd3 Rxd3 28. Kh2
Rfd8 $17 {Komodo11}) (24... Rd6 25. Kh2 Rfd8 {Komodo11}) 25. Re1 Qd3 26. Qf2 (
26. Qc1 Kh7 (26... h5 27. Rg3 Bh4 28. f6 Bxf6 (28... Bxg3 29. Qg5 {mating}) 29.
Qh6 Rd6 (29... g6 30. Ng5 (30. Qxh5 Qc2 $15) 30... Bxg5 31. Rxg5 Rd6 32. Qxh5
Re8 $11)) (26... Kh8 27. Kh2 Rd7 28. Qe3 Qc2 29. Qe2 Qa4 $15 {Komodo11}) 27. h4
g6 28. fxg6+ fxg6 29. Rg3 Qd6 30. Rh3 Rd7 31. h5 g5 32. Nh2 Bg7 33. Rf3 Rf4 34.
g3 Rxf3 35. Nxf3 Qf8 36. Kg2 $11 {Stockfish9}) 26... Rd6 27. Re3 $2 {lets Bl
in on the backrank} (27. Kh2 Rfd8 28. h4 Qb5 29. Qe2 Qa4 30. Qe3 Kh8 31. h5 Rd3
32. Qf2 a5 33. bxa5 Qxa5 $17 {Komodo11}) 27... Qb1+ $19 {the move overlooked} (
27... Qd1+ 28. Re1 Qd3 29. Re3 {repetition}) 28. Kh2 (28. Re1 Rd1 29. Rxd1 (29.
Qd2 Rxe1+ 30. Qxe1 (30. Nxe1 Rd8 $19 {the N is lost in the absence of the Wh R
from the centre}) 30... Qxb2 $19) 29... Qxd1+ 30. Kh2 Rd8 (30... h5 {Stockfish9
}) 31. h4 h5 32. Rg3 Qc1 33. Ng5 (33. Kh3 Bxh4 34. Rxg7+ Kxg7 35. Qxh4 Qh1+ 36.
Nh2 Rd3+ 37. g3 Kf8 $19 {Stockfish9}) 33... Rd1 34. Re3 Rf1 35. Qe2 Rh1+ 36.
Kg3 Qg1 37. Nf3 Bxh4+ 38. Nxh4 Qh2+ 39. Kf2 Qxh4+ 40. Rg3 Rb1 $19 {Komodo11})
28... Rd1 29. Re1 Rfd8 30. Qg3 (30. Rg1 Rxg1 (30... h5 31. Rg3 Qxe4 {Komodo11})
31. Nxg1 Qc1 32. Rg3 Rd2 (32... Bh4 33. Rxg7+ Kxg7 34. Qxh4 Qg5 {also}) (32...
Bg5 $19 {Komodo11}) 33. Qa7 Bh4 34. Qb8+ Kh7 35. Qxe5 Bxg3+ 36. Qxg3 Rxb2 $19 {
Stockfish9}) 30... Kh8 (30... Rxe1 31. Nxe1 Rd6 (31... Rd1 32. Rxg7+ Kf8 33.
Rxf7+ Kxf7 34. Qg6+ Ke7 35. Qh7+ Kd8 36. Qxh6 Rd6 $19 {Stockfish9} (36... Qxe4
$19 {Komodo11})) 32. h4 h5 33. Rg5 Bxg5 34. hxg5 Rd1 $19 {Komodo11 & Stockfish9
} 35. Qxe5 Rxe1 36. Qb8+ Kh7 37. g6+ fxg6 38. fxg6+ Kxg6 39. Qe8+ Kh6 $1 {
other moves concede a draw} 40. Qh8+ Kg5 41. Qxg7+ Kf4 42. Qg3+ Kxe4 43. Qf3+
Ke5 44. Qg3+ Kd5 45. c4+ Kxc4 46. Qc3+ Kd5 47. Qc5+ Ke6 48. Qc4+ Kf5 49. Qc5+
Kg4 50. Qd4+ Qe4 {& eventually the Bl K excapes the checks}) 31. Qf2 Rxe1 32.
Nxe1 Rd1 33. Nf3 (33. Qc2 {getting rid of Qs best according to Komodo11}) 33...
h5 {looked at frequently in earlier positions by Bl} 34. Rh4 Rh1+ 35. Kg3 Bxh4+
36. Kxh4 (36. Nxh4 Qc1 37. f6 Rf1 $19 {Komodo11}) 36... Qxe4+ 37. Kg5 Qf4+ 38.
Kxh5 Qxf5+ 39. Kh4 g5+ (39... Qf4+ 40. g4 (40. Kh5 g6#) 40... Qh6+ 41. Kg3
Qxh3# {Komodo11}) (39... Rxh3+ 40. gxh3 Qf4+ 41. Kh5 g6# {Komodo11}) 40. Kh5
g4+ (40... Kg7 41. c4 f6 42. b5 e4 43. bxc6 Qg6+ 44. Kg4 f5+ 45. Kg3 Qd6+ 46.
Ne5 Qxe5+ 47. Qf4 Qxf4# {Komodo11}) 41. Kh6 (41. Kh4 gxf3 42. Qxf3 Qxf3 43.
gxf3 Rg1 {and Bl will Q an e pawn, then mate}) 41... Qg6# 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Probert, Malcolm"]
[Black "Waterfield, John W"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "1601"]
[BlackElo "1919"]
[Annotator "Rudy"]
[PlyCount "46"]
[EventDate "2018.??.??"]

1. Nf3 g6 2. g3 Bg7 3. d4 Nf6 4. Bg2 O-O 5. O-O d6 6. b3 (6. c4) 6... e5 (6...
c5) (6... Nbd7) 7. dxe5 Ng4 (7... dxe5) 8. Bb2 Nc6 9. h3 (9. c4 {main} Ngxe5
10. Nxe5 Nxe5 11. Nc3) 9... Ncxe5 $146 (9... Ngxe5 10. Nxe5 Nxe5) 10. Nxe5 Nxe5
11. Qc1 c6 $146 (11... Re8) (11... f5 {main lines}) 12. f4 (12. c4) 12... Nd7
13. Bxg7 Kxg7 14. c4 (14. e4) 14... Qf6 15. Nc3 $16 Nb6 16. Rd1 Rd8 17. Ne4 (
17. Qd2 d5 18. c5 Nd7 19. e4 Nxc5 20. exd5 $16 {Komodo11}) 17... Qe7 18. Qc3+
f6 19. Qb4 $5 (19. g4 Kf7 20. Qd4 d5 21. g5 f5 22. Nc5 $16 {Komodo11}) 19... c5
(19... Bxh3 20. Bf3 Nc8 $11 {Komodo11}) 20. Qd2 (20. Qc3 Bxh3 21. Nxf6 Qxf6 22.
Qxf6+ Kxf6 23. Bxh3 d5 24. Bg2 dxc4 25. Bxb7 Rab8 26. Bf3 $14 {Komodo11}) 20...
Bxh3 21. Nxd6 $2 (21. Bxh3 Qxe4 22. Bg2 Qe7 23. Kf2 $11 {Komodo11}) 21... Bxg2
22. Kxg2 Rd7 $19 23. e4 Rad8 {the N is lost} 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Morcom, Huw"]
[Black "Fowler, Caspian"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1913"]
[BlackElo "1370"]
[Annotator "Rudy"]
[PlyCount "35"]
[EventDate "2018.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Be2 {played for years by local Dyfed player Awne Osinga
& lately taken up by Baadur Jobava GM} Nf6 4. d3 Bc5 5. O-O d6 6. c3 (6. Nc3 {
Awne}) 6... Bb6 7. Na3 (7. Nbd2 {main}) 7... a6 (7... Ne7 8. Nc4 O-O 9. a4 (9.
Qc2 Ng6 10. Re1 Ng4 11. Nxb6 axb6 12. h3 Nf6 13. d4 d5 {Hanham-Kreymborg, New
York State Winter ch 1910,0-1}) 9... c6 10. Nxb6 Qxb6 11. b4 Ng6 12. Be3 Qc7
13. Nd2 {Cablitz-Bogomolow, Oberliga Nord 2006,1-0}) 8. Nc4 Ba7 9. Be3 Be6 10.
Bxa7 Rxa7 11. Ne3 $14 O-O 12. c4 (12. d4 exd4 13. cxd4 d5 14. e5 Ne4 15. Bd3 f6
16. Bc2 $14 {Komodo11}) 12... h6 (12... b5 13. b3 Nd4 14. Nxd4 exd4 15. Nd5 c6
16. Nxf6+ Qxf6 $11 {Komodo11}) 13. d4 exd4 14. Nxd4 Nxe4 $2 {a loose pawn is
sometimes a Greek gift} (14... Ra8) (14... Re8) 15. Nxc6 bxc6 16. Qd4 $18 Qb8 (
16... Nc5 17. b4) 17. Qxe4 Qxb2 18. Bd3 (18. Bd3 g6 19. Qxc6 $18) 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Jansen Van Rensburg, Leon"]
[Black "Haigh, Tony"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1528"]
[BlackElo "1799"]
[Annotator "Rudy"]
[PlyCount "66"]
[EventDate "2018.??.??"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 (4. dxc3 {more frequent}) 4... d5 (4...
d6 {challenges the centre}) 5. f4 c5 6. d4 e6 {now its a French, with Winawer
type features} (6... Nc6 7. Nf3 Bg4 {main}) 7. Nf3 Be7 (7... Nc6 8. Be2 {main})
8. Be2 $146 (8. Bd3) 8... O-O 9. O-O b6 10. Qe1 Ba6 11. Bxa6 Nxa6 12. Qg3 {
also similar to Vienna positions} f5 (12... Re8 13. Ne1 Qd7 14. a4 Nb8 15. Nd3
Nc6 16. dxc5 bxc5 17. Ba3 c4 18. Bxe7 Qxe7 19. Nc1 Rab8 20. Ne2 Rb2 21. Rfc1
Reb8 $15 {Komodo11}) 13. Ng5 (13. exf6 Rxf6 14. Ne5 Rc8 15. Qd3 Nb8 16. f5 Nc6
$11 {Komodo11}) 13... Nc7 {a passive place for the N} (13... Qc8 14. Rf2 Qd7
15. a4 Nb8 16. Qh3 Bxg5 17. fxg5 Nc6 $15 {Bl's N is a better piece than the B,
with so many pawns on its own colour}) 14. h4 Qd7 $15 (14... Qe8 $15) 15. h5
Bxg5 {might give Wh some K side play.} (15... h6 16. Nf3 Nb5 {shifting to the
Q side where Wh will suffer down the c file} 17. Bb2 cxd4 18. cxd4 Rac8 $17 (
18... Bb4 $17) 19. a4 Nc3 20. Bxc3 Rxc3 21. Rfc1 Rfc8 22. Ra2 Qe8 23. Qg6 Qxg6
24. hxg6 R8c4 25. Kf1 Ba3 26. Rb1 Bb4 (26... Rxa4 27. Rb3 Rxb3 28. cxb3 Ra5 29.
Rc2 $16) 27. Ng1 Ba5 28. Rc1 Rg3 29. Kf2 Rxg6 $17 {Komodo11}) 16. fxg5 g6 {
stops the Wh B, but enables Wh to open up the K side} (16... Qa4 $1 {Komodo11}
17. g6 h6 {the B sac poses no danger for Bl, & attention shifts to the Qside
where Wh is inferior} 18. Qd3 Na6 (18... Nb5 {Stockfish9}) 19. Rf2 Rac8 20. Bb2
(20. Bf4 $11 {Stockfish9}) 20... Nb8 21. a3 Nc6 22. Raf1 Rc7 (22... Ne7 {looks
far safer, not allowing g4 ideas at all, but Engines show no fear.}) 23. g3 (
23. g4 {Rudy} Ne7 24. gxf5 (24. g5 hxg5 25. Qg3 g4 26. Qxg4 cxd4 27. h6 {looks
perilous to humans, though Engines cope easily} gxh6 28. Bc1 Nxg6 29. Qh5 Kf7
30. Bxh6 Rg8 31. Rg2 dxc3 32. Bg5 Rc4 33. Bf6 {and Komodo11 ( also Stockfish9)
accepts that humans are right in being cautious, now giving up the exchange to
secure a slight edge ( which eventually peters out to equality)} Rh4 (33... Rg4
34. Qh7+ Kf8 35. Rff2 Rxg2+ 36. Rxg2 Qf4 37. Qxa7 Qe3+ 38. Kh2 Qf4+ 39. Kg1
Qe3+ {also looks Ok}) 34. Bxh4 Qxh4 35. Rxf5+ (35. Qxh4 Nxh4 36. Rxg8 Kxg8 $17
{Bl has too many pawns& Wh has no time hunting with the R on the Q side as e5
will fall}) 35... exf5 36. e6+ Kxe6 37. Qxh4 Nxh4 38. Rxg8 f4 39. Kf2 Nf5 40.
Ke2 Nd6 41. Kd3 f3 42. Ke3 Nc4+ 43. Kd4 Nxa3 44. Rf8 Nxc2+ 45. Kxc3 Na3 46.
Rxf3 $11 {Komodo11, all this looks extremely unclear all along.}) 24... Nxf5
$17 {is worse for Wh, as the N is superbly placed}) 23... Rfc8 (23... Ne7 $15))
17. Rf4 Kf7 (17... Ne8 18. Rh4 Ng7 19. hxg6 hxg6 20. Rh6 Nh5 21. Qd3 c4 22. Qf3
Kg7 23. Ba3 Rh8 24. g4 fxg4 25. Qxg4 Rxh6 26. gxh6+ Kxh6 27. Rf1 Rh8 28. Bf8+
Kh7 29. Qg5 Qe8 30. Bd6 Rg8 $11 {Komodo11}) 18. hxg6+ {perhaps a little early,
as Wh can buildup on the h file first ( tripling even, which Bl cannot match
in the space available} (18. Rh4 Rg8 (18... Rh8 19. a4 Kg7 20. Qh3 Qc6 21. dxc5
bxc5 22. Rb1 Rac8 23. Be3 Na6 24. Rb5 $14 {Komodo11}) 19. Qh3 (19. dxc5 bxc5
20. hxg6+ hxg6 21. Rb1 $16 {opens a second front}) 19... Rg7 20. hxg6+ hxg6 21.
dxc5 bxc5 22. Rb1 $16 {Stockfish9}) 18... hxg6 19. Rh4 Rh8 $11 20. Rh6 Rag8 (
20... cxd4 21. cxd4 Qa4 22. Bb2 Qb4 23. Bc3 Qa4 24. Qh3 Kg7 25. Bb2 Rac8 26.
Rxh8 Rxh8 27. Qc3 Nb5 28. Qb3 Qc4 29. a4 Nc7 30. Qd3 Rh4 $15 {Komodo11}) 21.
Qh4 (21. dxc5 bxc5 22. Rb1 $14 {Komodo11}) 21... Qd8 22. Qh3 Qf8 23. Bd2 (23.
a4 Kg7 24. a5 b5 25. Rb1 a6 26. Qh4 b4 27. Be3 $16 {Komodo11, Bl is having to
defend on both sides of the board}) 23... Ne8 {Bl is just defending, not
looking for counterplay} (23... cxd4 $1 24. cxd4 Nb5 25. Qd3 (25. Qb3 {an
Engine move} Nxd4 26. Qa4 Qc5 27. Be3 Ne2+ 28. Kf2 d4 29. Kxe2 dxe3 30. Qd7+
Qe7 31. Qxe7+ Kxe7 32. Rah1 Rxh6 33. gxh6 Kf7 34. h7 Rh8 35. Kxe3 $14) 25...
Na3 26. Kf2 Nc4 27. Rah1 Kg7 28. Bc1 Qe8 29. Qh3 Rxh6 30. Qxh6+ Kf7 31. Qh7+
Rg7 $11 {Komodo11}) 24. Kf2 $16 Ng7 (24... Rxh6 25. gxh6 Rh8 26. Qe3 c4 27. Qg5
Qe7 28. Qxe7+ Kxe7 29. Kg3 $16 {Komodo11}) 25. Ke2 (25. Rh1 $18 {Komodo11 &
Stockfish9- surely the whole point of Wh's setup} Nh5 (25... Rxh6 26. gxh6 Ne8
27. h7 Rh8 28. Qh4 cxd4 29. cxd4 Qe7 30. Bg5 Qb4 31. Rh3 {and Bf6 will win
whatever Bl tries(short of Q sacs)}) 26. Qf3 Ke7 27. c4 {breaking open the Q
side} Qd8 28. dxc5 bxc5 29. Rb1 $18 (29. R1xh5 gxh5 30. Rf6 Rg7 31. Qa3 {also
works but not as powerful, Stockfish9}) (29. Qa3 dxc4 (29... Qc7 30. cxd5 exd5
31. Rb1) 30. Qxc5+ Kf7 31. Qxa7+ Qe7 32. Qxe7+ Kxe7 33. Rb1 $18 {Komodo11
alternative , also looks convincing})) 25... Nh5 (25... Qe8 26. dxc5 Qb5+ 27.
Qd3 Qxc5 28. Rah1 Nh5 29. Kd1 Qc4 30. Qxc4 dxc4 31. Rh4 b5 $11 {Komodo11}) 26.
g4 fxg4 27. Rf1+ Kg7 (27... Ke7 28. Qxg4 Qe8 29. dxc5 bxc5 (29... Qb5+) 30. Rf6
$18 {Komodo11 & Stockfish9}) 28. Rxf8 $2 {based on a misconception} (28. Qxg4
Qe8 29. Ke1 cxd4 30. cxd4 Rxh6 (30... Rh7 31. Rf6 Kh8 $11 {Komodo11}) 31. gxh6+
Kh7 32. Bg5 Rf8 33. Rxf8 Qxf8 34. Qxe6 $16 Qb4+ {other moves lose quicker} 35.
Bd2 Qb1+ 36. Kf2 Qxc2 37. Qf7+ Kh8 38. Qf8+ Kh7 39. Qe7+ Kg8 40. Qg5 Kh7 41. a3
$16 {Stockfish9 & Komodo11}) 28... gxh3 $19 29. Rf7+ {it would be mate, except
that Bl just plays} Kxf7 30. dxc5 bxc5 (30... h2) 31. Kf2 Rxh6 (31... h2 32.
Kg2 Ng3 33. Rxh2 Rxh2+ 34. Kxh2 Nf1+) 32. gxh6 g5 (32... h2) 33. Be3 Kg6 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Fowler, Hugo"]
[Black "Owen, Neil"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1786"]
[BlackElo "1760"]
[Annotator "Rudy"]
[PlyCount "24"]
[EventDate "2018.??.??"]

1. e4 d6 2. d4 c6 3. Bd3 e5 4. c3 Nf6 5. Nf3 Bg4 6. Nbd2 Nbd7 7. Nf1 $146 (7.
O-O) (7. h3) 7... h6 (7... d5 $11 {Komodo11}) 8. Ng3 Nh5 9. Nxh5 Bxh5 10. Be3
Be7 11. Qd2 Qc7 12. O-O-O Nf6 $11 {and Bl was defaulted the game because his
mobile phone rang} 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Leah, Howard"]
[Black "Jones, Martin C"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1467"]
[BlackElo "1769"]
[Annotator "Rudy"]
[PlyCount "109"]
[EventDate "2018.??.??"]

1. e4 c6 2. Nc3 d5 3. Nf3 d4 (3... Bg4) (3... dxe4 {main}) 4. Ne2 c5 5. Ng3 Nc6
6. Bc4 e5 (6... e6) 7. d3 Be7 8. O-O Nf6 9. Ng5 (9. Nh4 O-O 10. a4 Nxe4 11.
Nxe4 Bxh4 12. f4 exf4 13. Bxf4 Be7 14. Qh5 {Keres-Tartakower, FRA-URs m, Paris
1954,1-0}) 9... O-O 10. f4 h6 11. Nf3 exf4 12. Bxf4 Be6 {Komodo11} (12... Na5
13. Qd2 Nxc4 14. dxc4 Be6 15. b3 Nh7 (15... g5 $15) 16. Rae1 g5 17. h4 gxf4 18.
Qxf4 Kh8 19. Nh5 Rg8 20. Qxh6 Bxh4 21. Qf4 Bxe1 22. Qe5+ f6 23. Qxe6 Bg3 24. e5
Qc8 25. Qd5 Qg4 26. Nxg3 Qxg3 27. Rf2 Ng5 28. Nxg5 Rxg5 29. Rxf6 Qe1+ 30. Rf1
Qe3+ {Bogoljubow-Tartakower, Vienna Masters 1922,0-1}) 13. Bxe6 (13. b3) 13...
fxe6 14. e5 (14. Ne5 Nxe5 15. Bxe5 Nd7 16. Bf4 Bg5 $11 {Komodo11}) 14... Nd5 (
14... Ng4 15. Bd2 Qd5 16. Qe2 Ngxe5 $15 {Komodo11}) 15. Bd2 b5 (15... Ne3 16.
Bxe3 dxe3 17. Qe2 Nd4 18. Nxd4 Qxd4 19. c3 Qxe5 20. Rae1 Bg5 21. Rxf8+ Rxf8 22.
Ne4 c4 23. Nxg5 Qxg5 24. Qxe3 Qxe3+ 25. Rxe3 cxd3 $11 (25... Rd8 $11 {Komodo11}
)) 16. Qe2 Rc8 (16... Nf4 $11) 17. Qe4 $14 (17. a4 b4 18. Qe4 $14 {Komodo11})
17... Ndb4 (17... Ne3 18. Bxe3 dxe3 19. c3 Qd5 20. Qxe3 Rcd8 21. Rfd1 (21. a4)
21... Rf7 $14 {Komodo11}) 18. Bxh6 $1 $18 (18. Qg4 $18 {also, but not as
powerful}) 18... Qe8 (18... Rf7 19. Qg4 Nxc2 20. Nh5 Ne3 21. Qxe6 Nf5 22. Bg5
Qe8 23. Bxe7 Ncxe7 24. Ng5 $18 {best try- Komodo11}) 19. Qg4 Rf7 (19... Qf7 20.
Nh4 Nxe5 21. Rxf7 Rxf7 22. Qxe6 $18) 20. Nxd4 {trying to squeeze in Rxf7, but
Bl has a hit on the Q.} (20. Nh5 $1 Kh7 (20... Qf8 21. Bxg7 Rxg7 22. Nxg7 Qxg7
23. Qxe6+ Kh7 24. Qxc8 $18 {Stockfish9}) 21. Nxg7 Qg8 22. Qh5 Rf5 23. Nxf5 (23.
Qh3) 23... Qg6 24. Qh3 exf5 25. Ng5+ Bxg5 26. Bxg5+ Kg8 27. Rxf5 $18 {Komodo11}
) 20... Nxe5 21. Qxe6 $11 {a postion running away from both players to control}
Bf6 (21... Bf8 22. Bf4 cxd4 23. Qxe5 Qxe5 24. Bxe5 Rxf1+ 25. Rxf1 Rxc2 26.
Rxf8+ Kxf8 27. Bd6+ Kf7 28. Bxb4 Rxb2 29. a3 Rb3 30. Nf5 a5 31. Bxa5 Rxa3 32.
Be1 Rxd3 33. Kf1 Rd1 34. Ke2 Rb1 35. Nxd4 b4 $11 {Komodo11}) 22. Ne4 (22. Qxe8+
Rxe8 23. Bd2 cxd4 24. Bxb4 Rc7 25. Nf5 Rxc2 26. Nxd4 Rcc8 (26... Rxb2 27. Bc3
$18) 27. Bc3 b4 28. Bxb4 Nxd3 29. Bc3 $14 {Stockfish9}) 22... cxd4 (22... Nf3+
23. Kh1 Bxd4 24. Qb3 (24. Qxe8+ Rxe8 25. Rxf3 Rxf3 26. gxf3 Nxc2 27. Rc1 Nb4
28. Bd2 Nxd3 $17) 24... Nxc2 25. Qxc2 Nxh2 26. Rxf7 Qxf7 27. Qe2 Qg6 28. Bg5
Qh7 29. g3 Ng4+ 30. Bh4 Ne3 $17 {Komodo11}) 23. Qxe8+ (23. Rxf6 Qxe6 24. Rxe6
gxh6 25. Rxe5 Rxc2 26. Nd6 Rff2 27. Re8+ Kg7 28. Re7+ Kf8 29. Re8+ $11 {
Komodo11}) 23... Rxe8 24. Nd6 gxh6 (24... Ree7 25. Nxf7 Kxf7 26. Bf4 Nxc2 27.
Rac1 Nb4 28. Bxe5 Rxe5 29. Rf3 Re3 30. Rxe3 dxe3 31. Kf1 Nxd3 $17 {Komodo11})
25. Nxe8 Bg5 26. Rxf7 Kxf7 27. Nd6+ Ke6 28. Nxb5 Nxc2 29. Rd1 Ng4 {and its
still a tricky middlegame with both sides having possible vulnerable pawns (
though the 2 pieces should be better than the R, which has trouble finding
activity} (29... Kd5 $17 30. Nxa7 Ne3 31. Rd2 N3g4 32. Rd1 Be3+ 33. Kf1 Nf2 34.
Rb1 Nfxd3 $17 {Komodo11}) 30. h3 (30. a3 Ne5 31. h4 Bf4 32. Kf2 Ne3 33. Rh1 Nc6
34. Kf3 Nd5 35. g3 Be3 36. a4 Ne5+ 37. Ke2 a5 $15 {Komodo11}) 30... Be3+ 31.
Kf1 Nf2 32. Nxd4+ $5 {desperation, which succeeds in causing confusion} (32.
Rb1 Nxd3 $17) 32... Kd5 $2 (32... Bxd4 $19 {just leaves Bl with 3 pieces
against the R}) 33. Nxc2 Nxd1 34. Ke2 $18 Bc1 35. Kxd1 Bxb2 {with 2 pawns up
this should be a win, though the longlegged B can cause difficulties} 36. Ke2 (
36. Ne3+ Kd4 37. Kd2 h5 38. g3 Bc3+ 39. Ke2 Ba5 40. Nf5+ Kc3 41. d4 Bd8 42. d5
Kc4 43. d6 Kd5 44. h4 {and Wh will now get 2 connected passed pawns- Komodo11})
36... Be5 37. Kf3 (37. Ne3+ {Komodo11} Ke6 (37... Kd4 38. Nf5+ Kc3 39. Nxh6 Kb2
40. g4 Kxa2 41. Nf5 Kb3 42. g5 a5 43. d4 Bh8 44. d5 a4 45. Kd3 Be5 46. g6 a3
47. Ne3 {the N can give itself up for Bl's last pawn, while the B cannot dance
at two weddings}) 38. Kf3 Bc3 39. Ke4 {making progress}) 37... Bf6 38. g4 (38.
Kg4 {Komodo11- using the power of the K to force Bl on the defensive} Ke5 39.
Kh5 Bg5 40. g4 Bd2 41. h4 Bc1 42. g5 hxg5 43. hxg5 Bd2 44. g6 Kf6 45. Nd4 a5
46. Nf5 Ke6 47. d4 {one of the pawns will get through}) 38... Bg5 {(draw?)} 39.
Ke2 {going backwards} (39. Kg3 Ke5 40. h4 Bf4+ 41. Kf3 Bc1 42. g5 hxg5 43. h5
Kf5 44. Nd4+ Ke5 45. Nb3 Bf4 (45... g4+ $5 {to liberate the B}) 46. Kg4 Be3 47.
Na5 Ke6 48. Nc6 Kd6 49. Nd8 Ke7 50. Nb7 Ke6 51. Na5 Bb6 52. Nc4 Bd8 53. Nd2 Bb6
54. Ne4 Be3 55. Ng3 Bd4 56. Nf5 Bf6 57. h6 Kf7 58. Kh5 g4 59. Kxg4 Kg6 60. d4
$18 {Komodo11, though it takes a bit of time}) 39... a5 {perhaps best left
unmoved away from the N, though Bl is hoping it might just get through} (39...
Ke5) 40. Ne3+ Kd4 41. Nf5+ Kc3 (41... Ke5 42. Kf3 a4 43. h4 Bc1 44. d4+ Kd5 45.
Ng3 Bd2 46. Ne4 Bb4 47. Ke3 Ba3 48. Ng3 Be7 49. Nf5 Bf6 50. Kf4 {as above}) 42.
h4 Bf6 43. Nxh6 (43. Kf3) 43... Bxh4 44. Nf5 Bg5 45. Nd6 (45. Ng7 $1 {
Komodo11- and the N covers the squares the g pawn needs} Kb2 46. Ne6 Bf6 47. g5
Be7 48. g6 Bf6 49. Kd2 {using the K is easier} (49. g7 Bxg7 50. Nxg7 Kxa2 51.
d4 a4 52. Nf5 a3 53. Ne3 Kb3 54. Kd3 a2 55. Nc2 {its more difficult ,
especially in time pressure to ensure that the N moves are the correct ones.})
49... Kxa2 50. Kc2 Ka3 51. g7 Bxg7 52. Nxg7 Ka4 53. Kc3 Kb5 54. Nf5 {
comfortable}) 45... a4 46. Nb5+ (46. Ne4+ Kb2 47. Nxg5 $18 {as the N is still
close enough to hold the a pawn} Kxa2 48. Ne4 a3 49. Nc3+ Kb2 50. Kd2) 46...
Kb2 47. Kd1 (47. a3 Kb3 48. Kf3 Bf6 49. Ke4 Be7 50. Kf5 Kc2 51. d4 Kb3 52. d5
Kc4 53. d6 Bd8 54. g5 Kxb5 55. g6 {Komodo11, the B is helpless with the Wh K
advanced}) 47... Kxa2 48. Kc2 $18 Bf6 49. d4 Bg5 50. d5 Bf6 51. d6 a3 52. d7 (
52. Nc3+ Ka1 53. Ne4 Bg5 54. d7 (54. Nxg5 a2 {Wh is still winning, but allows
Bl to get a Q}) 54... Bd8 55. g5 Bxg5 56. Nxg5 a2 57. Kb3 Kb1 58. d8=Q a1=N+ (
58... a1=Q 59. Qd1#) 59. Kc3 Nc2 60. Qd1+ Ka2 61. Qxc2+ Ka1 62. Qb2# {Komodo11}
) 52... Bg5 53. Na7 (53. Nc7 Ka1 54. Ne6 Be7 55. g5 Bxg5 56. Nxg5 a2 57. Kb3
Kb1 58. d8=Q {as above note}) 53... Ka1 54. Nc6 Bf6 {Wh now needs to be careful
} 55. d8=Q {(draw agreed)} (55. Ne5 Be7 (55... a2 56. Nd3 Be5 57. Nc5 Bf6 58.
Nb3#) 56. Nf7 Bd8 57. g5 $18 {Komodo11, & Wh wins as in the 2 previous notes})
(55. d8=Q Bxd8 56. Kb3 {Wh could still see if Bl will fall into a trap laid by
Komodo11} (56. Nxd8 a2 {stalemate, as otherwise Bl Qs before Wh}) 56... Kb1 (
56... a2 57. Kc2 $1 Bb6 58. g5 Bd8 (58... Be3 59. Na5 Bxg5 60. Nb3#) 59. Nd4
Bxg5 60. Nb3#) 57. Kxa3 Bf6 $11) 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Jukes, Sam"]
[Black "Greatorex, Roger"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1762"]
[BlackElo "1722"]
[Annotator "Rudy"]
[PlyCount "173"]
[EventDate "2018.??.??"]

1. e4 g6 2. d4 d6 3. Nf3 Bg7 4. Be2 (4. Nc3) (4. Bc4) 4... a6 5. O-O b5 {a
little early as there is as yet no N on c3 to chase} (5... Nf6) 6. Re1 (6. a4 {
4.5-1.5}) 6... Bb7 7. Bf1 (7. Bd3 Nd7 8. Qe2 c5 9. c3 cxd4 (9... e6 10. a4 b4
11. Nbd2 a5 12. Bb5 cxd4 13. cxd4 Ne7 14. Nc4 Nc8 15. Bg5 Qc7 16. Rac1 Qb8 17.
Nfe5 {Colding-Nguyen, Bethesda Eastern op 2015,1-0}) 10. cxd4 e5 11. a4 b4 12.
Nbd2 {Colding-Nguyen, Bethesda op 2015,1-0}) 7... Nd7 8. c4 (8. a4 b4 9. Nbd2
$16 {Komodo11}) 8... Ngf6 9. Nc3 (9. cxb5 axb5 10. e5 Nd5 11. e6 fxe6 12. Bxb5
$16 {Komodo11}) 9... b4 10. Nd5 Nxd5 (10... c5 $11) 11. cxd5 $16 O-O 12. Bc4 {
obstructs the c file} (12. Bd2 a5 13. Rc1 $16 {Komodo11}) 12... Nb6 13. Bb3 a5
$11 14. a4 Rc8 (14... c6) 15. Qd3 c6 16. dxc6 Bxc6 17. Be3 Bd7 (17... d5 18. e5
Nc4 19. Qe2 Bb7 $11 {Komodo11}) 18. Re2 (18. h3) 18... Bg4 19. Qb5 Bxf3 20.
gxf3 Nd7 21. Rc2 Rxc2 22. Bxc2 e5 23. Rd1 (23. d5 f5 (23... Bf6 $11) 24. Qc6 f4
25. Ba7 Nb8 26. Qb7 Qc8 27. Qxc8 Rxc8 28. Bd3 Nd7 29. Bb5 Rc7 30. Bxd7 Rxa7 31.
Be6+ Kf8 32. Rc1 Bf6 33. Rc8+ Ke7 34. Bg8 h6 35. Kg2 $14 {Komodo11, but its
not at all clear how and where Wh can break in}) 23... exd4 24. Bxd4 Bxd4 25.
Rxd4 Ne5 $17 {the N is superior to the B, hemmed in by its own pawns} (25...
Nc5) (25... Qf6 26. Rd5 Nc5 27. e5 Qxf3 28. Qc4 Ne6 29. Bd1 Qf4 30. Qxf4 Nxf4
31. Rxa5 dxe5 32. Rxe5 Rd8 $15 {Komodo11}) 26. Bd1 Qf6 27. Qd5 Rc8 (27... Rd8
$17) 28. Qxd6 (28. Kg2 Qg5+ 29. Kf1 Qc1 30. Qxd6 Nxf3 (30... Nc4 31. Qf6 Qxb2
32. Be2 Nd2+ 33. Kg2 $11) 31. Rd3 Ng5 32. Qe5 Ne6 $15 {Komodo11}) 28... Qxd6 (
28... Nxf3+ $1 29. Bxf3 Qxf3 $19 30. Rd1 Rc2 31. Qd8+ Kg7 32. Qd4+ Kh6 33. e5
Rxf2 34. Qh4+ Kg7 35. Qf6+ Qxf6 36. exf6+ Rxf6 $19 {Komodo11}) 29. Rxd6 Rc1 (
29... Nc4 30. Rd7 Nxb2 31. Bb3 Rc3 32. Bxf7+ Kf8 33. Ra7 Nd3 34. h4 b3 35. Bxb3
Rxb3 36. Rxa5 h5 $17 {Komodo11}) 30. Kg2 $14 Nc4 31. Rd8+ Kg7 32. b3 Nb2 33.
Be2 Rc3 34. Bc4 (34. Rd5 Rxb3 35. Rxa5 Ra3 36. Ra8 Nxa4 37. Rb8 b3 38. Bb5 Nb2
39. Rb7 g5 40. e5 Kg6 41. f4 (41. Kg3 Kf5 42. Rxf7+ Kxe5 43. Rxh7 Kd5 {and the
b pawn is getting dangerous} 44. Rh5 Kd4 45. Rxg5 Ra5 46. h4 Nd3 47. Rg4+ Kc3
48. Bc4 b2 49. Bxd3 Kxd3 50. Rb4 Ra2 51. Rb6 Kc2 52. h5 b1=Q 53. Rxb1 Kxb1 $11
{draw in all lines except Kh2; Nalimov tablebases}) 41... gxf4 42. Be8 Nd3 43.
Bxf7+ Kg5 44. Bxb3 Nxe5 45. Bc2 Nf3 46. Bxh7 Nh4+ $11) 34... Nxc4 35. bxc4 Rxc4
36. Rb8 $15 b3 (36... Rc5 37. Rb6 Kf8 38. Rb7 Ke8 39. f4 Rc4 40. Rb5 Rxe4 41.
Rxa5 Rxf4 42. Kg3 Rc4 43. Rb5 {Komodo11 likes it, but is drawn, after the a &
b pawn swap off , as they will} b3 44. a5 Ra4 45. Rxb3 Rxa5) 37. Rxb3 Rxa4 38.
Rb6 $11 {should be a draw, the Bl R is in front of its pawn, not behind; and
even if the a pawn gets lost/given up; the pawns all on the same side should
be drawn, especially with the doubled f pawnd} Ra1 39. Ra6 a4 40. f4 a3 41. Kf3
a2 $11 {the Wh K needs to stay covered, or a check releases the Bl R & pawn}
42. e5 Kf8 43. Ra7 Ke8 44. Ke2 Kd8 (44... Rh1 45. Rxa2 Rxh2 $11 {despite the
Bl passed pawn}) 45. Kf3 Kc8 46. Ra3 Kb7 47. Ra4 Kb6 48. Ra3 Kb5 49. Ra8 Kc4 {
with the pawn already on a2 the Bl K has no shelter either if it tries to come
in support of its pawn} 50. Rc8+ Kd3 51. Rd8+ Kc2 52. Rc8+ Kd1 53. Ra8 Ke1 54.
Ra6 (54. Kg2 h5 55. h4 {forms a fortress}) 54... Kf1 55. h4 Kg1 $11 {(draw?)}
56. Ra3 Kh2 57. Ke2 Kg2 58. Rg3+ Kh2 59. Ra3 h5 60. Kf3 Kh3 61. f5 gxf5 (61...
Kxh4 $11 62. fxg6 (62. e6 fxe6 63. fxg6 (63. fxe6 Re1 64. Rxa2 Rxe6 $17) 63...
Rg1 64. Rxa2 Rxg6 $15 (64... Kh3 65. Ra3 Rxg6 66. Re3 Rf6+ 67. Ke2+ Kh2 68. Re5
h4 69. Re4 h3 70. Re3 Rh6 71. Kf1 $11)) 62... fxg6 63. Kf4 Rg1 64. Rxa2 Rg4+
65. Ke3 Kg5 $11 {Komodo11 & Nalimov tablebases}) 62. Kf4+ (62. Ra4 Re1 63. Rxa2
Rxe5 64. Ra1 Kh2 (64... Kxh4 $2 65. Kf4 $18) 65. Kf4 Re4+ 66. Kxf5 Rxh4 67. Kg5
Rc4 68. Kxh5 Rf4 69. Ra2 Kg2 70. Kg5 Rxf2 71. Rxf2+ Kxf2 72. Kf6 $11) 62... Kg2
63. Kxf5 {but this becomes tricky} (63. f3 Kh3 64. Kxf5 Kxh4 65. f4 Rf1 66.
Rxa2 Kg3 67. Kg5 h4 68. Ra3+ Rf3 69. Rxf3+ Kxf3 70. f5 h3 71. e6 fxe6 72. fxe6
h2 73. e7 h1=Q 74. e8=Q Qc1+ $11 {Komodo11}) 63... Kxf2 64. Kf6 {Wh is on thin
ice} (64. Kf4 Ke2 65. Ke4 $11 {following the K and not allowing a check} Kd2
66. Kd4 Kc2 67. Kc4 Kb2 68. Rb3+ Kc1 69. Ra3 {keeps the draw}) 64... Kg2 (64...
Ke2 {is trickier} 65. e6 $1 {only move} (65. Ke7 Kd2 66. Ke8 Kc2 67. Ra7 Kb3
68. Rb7+ Kc4 69. Ra7 (69. Rb2 Kc3 70. Re2 Kb3 71. Re3+ Kc4 72. Re2 Kd3 73. Rb2
Ke4 74. Re2+ Kf3 75. Rh2 Kg3 76. Re2 Kxh4 $19 {Wh still can't take the f pawn})
69... Kd5 70. Kf8 (70. Ra5+ Ke6 71. Kf8 f5 $1 72. Ra6+ (72. exf6 Kxf6 73. Ra6+
Ke5 74. Ke7 Kd4 75. Kd6 Kc3 76. Kc5 Rc1 $1 $19 {Komodo11}) 72... Kxe5 73. Ra4
f4 $19)) 65... fxe6 66. Kxe6 Kd2 67. Kd5 Kc1 68. Kc4 Kb2 (68... Kc2 69. Ra5 $11
) 69. Rb3+ $11) 65. Kg5 Kf2 66. Kxh5 Ke2 67. Rg3 $2 (67. Kh6 Kd2 68. h5 Kc2 69.
Kg7 Kb2 70. Ra7 Rh1 71. Kxf7 Rxh5 72. Rxa2+ Kxa2 73. e6 Re5 74. e7 Rxe7+ 75.
Kxe7 $11) 67... Rf1 $19 68. Rg2+ Rf2 69. Rg1 Rf5+ (69... Kd3 70. Kh6 Rg2 71.
Re1 (71. Rxg2 a1=Q $19) 71... Kc2 72. Kh7 Kb2 73. h5 a1=Q $19) 70. Kg4 Rf1 71.
Rg2+ Rf2 72. Rg1 Ke3 (72... Kd3 $19) 73. Kg3 (73. Rg3+ {Komodo11} Kd2 74. Ra3
$11 Kc1 75. Ra7 Kb1 76. Rb7+ Rb2 77. Rxf7 Rb5 78. Rf1+ Kb2 79. Kf5 a1=Q 80.
Rxa1 Kxa1 81. h5 $11 Ka2 82. h6 Rb7 83. Kg6 Rb6+ 84. Kg7 Rb7+ 85. Kf6 Kb3 86.
e6 Rh7 87. e7 Rxh6+ 88. Kf7 Rh7+ 89. Kf8 Rxe7 90. Kxe7 $11) 73... Rb2 74. Ra1
Ke4 $19 75. Re1+ Kf5 (75... Kd3 76. Ra1 Kc3 77. h5 Rc2 $19) 76. Ra1 Kxe5 {Bl
wins against all of Wh's possible moves- Lomonosov tablebases} (76... Rb3+ 77.
Kf2 Rh3 78. Kg2 Ra3 $19 {Komodo11}) 77. Kf3 Kf5 (77... Kd4) (77... Rb3+ 78. Kf2
Ra3 {cuts the Wh K off from the h pawn}) 78. Kg3 Rb3+ (78... Ke4 79. h5 Kf5 80.
Kh4 Rb4+ 81. Kg3 Ra4) 79. Kg2 Ra3 80. Kf2 Kg4 81. Kg2 Kxh4 82. Kf2 Kg4 83. Ke2
f5 (83... Kg3 84. Rg1+ Kh2 85. Ra1 f5) 84. Kf2 Kf4 {[%emt 0:00:17] mate in} (
84... f4 {mate in 17, both Nalimov tablebases}) 85. Kg2 Ke3 86. Kf1 Kd2 (86...
f4) 87. Kg2 $19 {(draw agreed)} (87. Kg2 Ke2 {mate in 12, Nalimov tablebases})
1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Whale, Michael"]
[Black "Orton, Paul"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1743"]
[BlackElo "1608"]
[Annotator "Rudy"]
[PlyCount "97"]
[EventDate "2018.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6 dxc6 6. d3 Bd6 7. Nc3 (7. Nbd2
{main in this line}) 7... O-O (7... c5 8. h3 Be6 9. Be3 h6 10. a4 c4 11. d4
exd4 12. Bxd4 Bb4 13. O-O {Alekhine-Bogoljubow, Wld ch 1934,1-0}) 8. Bg5 h6 (
8... Bg4 9. O-O Qd7 10. Bxf6 gxf6 11. h3 Be6 12. d4 Bxh3 13. gxh3 Qxh3 14. dxe5
Kh8 $19 {Lymysalo-Rozman, EU ch U10,Mureck 2010,0-1}) 9. Bd2 Re8 10. Qe2 Be6
11. O-O-O $6 (11. O-O $11) 11... c5 $15 {Bl can start a rapid pawnstorm} 12. h3
b5 13. g4 b4 14. Nb1 (14. Na4 Bd7 15. b3 Bxa4 16. bxa4 Qd7 $15 (16... Nd7 $15))
14... Bxa2 $17 15. g5 hxg5 16. Bxg5 (16. Rdg1) 16... Be6 (16... a5 17. h4 a4
18. h5 Be6 19. h6 g6 20. Nbd2 a3 21. b3 Be7 $17 {Komodo11- Bl will win the
ending if pieces just swap off}) 17. Rdg1 $11 g6 {this provides Wh with a
target to open the h file- beware of moving pawns on the side where one is
underattack.} (17... a5 18. Qe3 Ra6 (18... a4 19. Bh4 Be7 20. Nxe5 Ra6 (20...
Qd6 21. Nc6 $16 Nd5 22. Qh6 Qf4+ 23. Qxf4 Nxf4 24. Nxe7+) 21. Qh6 Bg4 22. Rxg4
Nxg4 23. Qxa6 Nxe5 24. Bxe7 Qxe7 $15) 19. Bh4 Be7 (19... Bf8) 20. Nxe5 a4 $15)
18. h4 $18 Kg7 19. h5 Rh8 20. h6+ {but this closes the position down} (20. Nh4
Be7 (20... Rxh5 21. Bxf6+ Kxf6 (21... Qxf6 22. Qxh5) 22. Qf3+ Ke7 23. Nxg6+ $1
fxg6 24. Rxh5 $18 {taking the R backleads to mate} gxh5 $2 25. Rg7+ Ke8 26.
Qxh5+ Kf8 27. Qh8+ Bg8 28. Qxg8# {Komodo11}) 21. hxg6 Nd5 22. Bxe7 Nf4 23. Qf3
Qxe7 24. gxf7+ Kxf7 25. Nf5 $16) (20. Nbd2 {bringing another piece may be even
stronger} a5 21. Nh4 Be7 22. hxg6 Nd5 23. exd5 Bxg5 {is no longer a check} 24.
dxe6 fxe6 25. Qxe5+ Bf6 26. Qxe6 $18 {Komodo11}) 20... Kh7 (20... Kf8 21. h7
Ke8 22. Nbd2 Qe7 (22... Kd7 23. Nxe5+ Bxe5 24. Nf3 Bd6 25. e5 $18) (22... Rb8
23. Bh6 Rxh7 24. Ng5 Kd7 25. f4 $16) 23. Nh4 Rxh7 24. Qf3 $18 {Komodo11}) 21.
Bh4 Kg8 22. Ng5 Rxh6 $2 {leads to shattered pawn structure} (22... Qe8 23. Qf3
(23. h7+ Nxh7 (23... Kg7 24. f4 $18) 24. Nxh7 Rxh7 25. Bf6 Be7 26. Bxe5 f6 27.
Bxc7 Rxh1 28. Rxh1 Qc8 29. Bg3 c4 $11) 23... Nh7 24. Nd2 a5 $11 {Komodo11}) 23.
Nxe6 fxe6 24. Nd2 (24. Qf3 Be7 25. Bxf6 Rxh1 26. Qxh1 Bxf6 27. Rxg6+ Bg7 28.
Nd2 $18 {Bl may on paper have an extra pawn, but they are a scattered mess ,
with a B vastly inferior to the Wh N}) 24... Be7 (24... Qf8 25. Nc4 a5 26. f4
Nh7 27. fxe5 Be7 28. Qg4 $16 {Komodo11}) 25. Nf3 $18 Qd6 26. Bg3 (26. Qe3 Rh5
27. Rg5 Nd5 (27... Rxg5 28. Qxg5) 28. Rxg6+ Kf7 29. exd5 Kxg6 30. Qe4+ Kf7 31.
dxe6+ Qxe6 32. Qxa8 Bxh4 33. Nxh4 $18 {Komodo11}) 26... Rxh1 27. Rxh1 Nd7 28.
Qe3 $16 Bf6 29. Qh6 Nf8 30. Qh2 Qe7 31. Nxe5 Qg7 32. Nc4 {gives Wh a safe
positional advantage} (32. Ng4 $1 Bxb2+ 33. Kb1 Kf7 34. Bxc7 Bd4 35. Qd6 g5 36.
Qc6 Rc8 37. e5 $18 {Komodo11}) 32... Rc8 33. e5 $18 Bg5+ 34. f4 Be7 35. Bh4 (
35. Na5 {Komodo11}) 35... Bxh4 36. Qxh4 Qh7 37. Qe1 Qf7 38. Rf1 (38. Qg3) 38...
Re8 (38... Qd7) 39. Ne3 Nd7 40. Ng4 (40. Qg3 $16) 40... Kg7 $14 41. Ne3 Rh8 42.
Qg3 Kf8 (42... Rh5) 43. Rg1 Rg8 (43... Ke7 $11) (43... Nb6 $11 {both offer to
return the extra pawn, when Bl has more piece activity}) 44. Ng4 Ke8 $2 (44...
Rh8 45. b3 a5 $14 (45... Rh5 $14)) 45. Nh6 $18 Qh7 46. Nxg8 Qxg8 47. Qxg6+ Qxg6
48. Rxg6 Kf7 49. Rh6 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Hurn, Robert AJ"]
[Black "Francis, Matthew"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1592"]
[BlackElo "1694"]
[Annotator "Rudy"]
[PlyCount "84"]
[EventDate "2018.??.??"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 a6 (4... e6) 5. Nf3 Bg4 (5... b5) (5... Bf5)
(5... e6) 6. Qb3 b5 7. cxd5 cxd5 (7... Bxf3 8. gxf3 cxd5 {main}) 8. Ne5 e6 (
8... Bf5) 9. Bd3 (9. Nxb5 {4-0} axb5 10. Bxb5+ Nbd7 (10... Ke7 11. Bd2 Qc7 12.
O-O Bh5 13. Rfc1 Qb7 14. Ba5 $18 {Tarasov-Kilpela, Lahti op 1999,1-0}) 11.
Bxd7+ Nxd7 12. Nxg4 $16 {Martinez-Di Pietro Paolo, Dos Hermanas blitz 2004,1-0}
) 9... Bd6 (9... Be7 10. O-O O-O 11. Bd2 Nbd7 12. Nc6 Qe8 13. Nxe7+ (13. f3 $16
) 13... Qxe7 14. f3 Bh5 15. Ne2 $16 {Vilanova Guardiola-Vicedo Navau, Llinars
del Valles op 2014,1-0}) 10. O-O (10. a4 b4 11. Ne2 (11. Na2) 11... Bh5 12. Bd2
Qe7 13. Nf4 O-O 14. Rc1 $14 {Gruettemeier-Schmidt, Oberliga NRW 1994,1-0})
10... O-O 11. Bd2 (11. e4) (11. f4) 11... Nbd7 (11... Bxe5 12. dxe5 Nfd7 13.
Qc2 (13. f4 Nc5) 13... Nxe5 14. Bxh7+ Kh8 15. f4 Nec6 16. h3 Bh5 17. g4 f5 18.
gxh5 Kxh7 19. Ne2 $11 {Komodo11}) 12. f4 Nb6 13. Nxg4 Nxg4 14. h3 Nf6 15. Be1
Nc4 $15 16. Bxc4 bxc4 (16... dxc4 $15 {Komodo11}) 17. Qc2 $11 Qb6 18. Bh4 Nd7
19. Nd1 {Wh is retreating} (19. f5 $11) 19... f6 (19... f5 $15) 20. Be1 (20. f5
$11) (20. g4 $11) 20... Qd8 {and now Bl starts to as well} (20... Rab8 $15) (
20... f5 $15) 21. Bc3 (21. e4 $11) (21. f5 $11) 21... f5 22. Be1 Qe8 23. Qe2
Nf6 24. Nc3 Qf7 (24... Bb4 25. Nd1 a5 $17) 25. Rb1 Rfb8 26. Bd2 a5 27. Qd1 Qd7
(27... Bb4) 28. Bc1 Bb4 29. Bd2 Bxc3 30. Bxc3 Ne4 $17 31. Qc2 a4 $19 32. Rfc1
Rb7 33. b3 axb3 34. axb3 cxb3 (34... Ra3 $19) (34... Rab8 35. b4 Nxc3 36. Qxc3
Qe7 $19) 35. Rxb3 Rc7 36. Qb2 Rac8 37. Qa3 (37. Bd2 Rxc1+ 38. Bxc1 Qd8 $17 {
Komodo11}) 37... Qd8 $19 (37... Rc4 $19) (37... h6 $19) 38. Bb2 (38. Qa1 h6 $19
) 38... Rxc1+ 39. Bxc1 Qh4 $1 $19 {all the Wh forces are on the other side of
the board} 40. Rb1 Qf2+ (40... Rc2 $1) (40... Qe1+ 41. Kh2 Nf2) 41. Kh2 Rc2 (
41... Qg3+ 42. Kg1 Qe1+ 43. Kh2 {gets back to 2nd var in the note above}) (
41... Kf7 42. Qa7+ Kg6 43. Qd7 Rc2 44. Qxe6+ Nf6 45. Bd2 Rxd2 46. Rg1 Rd3 $19)
42. Rb2 $2 {missing the draw ( & the mate)} (42. Qa8+ Kf7 43. Rb7+ Kg6 44. Qe8+
Kh6 45. Rxg7 Kxg7 46. Qe7+ Kh6 47. Qf8+ Kh5 48. Qf7+ Kh6 49. Qf8+ $11 {
repetition}) (42. Rb8+ Kf7 43. Rb7+ Kg6 (43... Kf6 $2 44. Qf8+ Kg6 45. Qxg7+
Kh5 46. Qxh7#) 44. Rxg7+ Kxg7 45. Qe7+ $11 {Komodo11}) 42... Qxg2# 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Jones, Dewi"]
[Black "Buttell, David"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1512"]
[BlackElo "1782"]
[Annotator "Rudy"]
[PlyCount "86"]
[EventDate "2018.??.??"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f5 {an interesting sac to
open up lines early} (6. O-O) 6... Nge7 (6... gxf5 7. d3) 7. fxg6 (7. fxe6) (7.
O-O {main lines}) 7... hxg6 (7... fxg6 {more frequent}) 8. d3 a6 (8... d5) 9.
a3 b5 10. Ba2 Nd4 $15 (10... Bb7 $15 11. Bf4 Qb6 12. O-O Nd4 {Fahrner-Gyokos,
Werfen 1990,0-1}) 11. Nxd4 cxd4 12. Ne2 Nc6 (12... d5) 13. Bf4 $11 Qe7 14. Qd2
(14. O-O) 14... e5 15. Bg3 Bh6 16. Qd1 Be3 17. Bf2 Bxf2+ 18. Kxf2 Qf6+ (18...
f5 $15) 19. Ke1 (19. Kg1 $11) 19... Qh4+ 20. g3 Qh7 21. Qd2 Qh6 22. Qxh6 Rxh6
23. Kd2 $14 Nd8 24. Raf1 d6 25. Rf6 {(draw?)} Ke7 26. Rf2 $11 Be6 27. Bxe6 Nxe6
28. Rhf1 Rh7 29. h4 Rah8 30. Rf6 $6 (30. c3 $11) 30... Nf4 31. R6xf4 exf4 32.
Nxf4 g5 33. Nd5+ (33. hxg5 Rh2+ 34. Ne2 R8h5 $15) 33... Kd8 (33... Kf8 $15) 34.
hxg5 (34. Nf6 Rh6 35. h5 $11) 34... Rh2+ 35. Kd1 Rg2 (35... Rh1 36. Rxh1 Rxh1+
37. Kd2 Rg1 38. Nb4 Rg2+ 39. Kd1 Rxg3 40. Nxa6 Rxg5 $17) 36. Nb4 Rhh2 37. Nxa6
$2 {missing} (37. Nc6+ Kd7 38. Nxd4 $11) 37... Rd2+ $19 38. Kc1 Rxc2+ 39. Kd1
Rxb2 40. Kc1 Ra2 41. Kb1 Rxa3 (41... Rhb2+ 42. Kc1 Rb3 43. Rd1 Ra1+ 44. Kc2
Rc3+ 45. Kd2 Ra2+ (45... Rxd1+ 46. Kxd1 Rxd3+ {looks more human}) 46. Ke1 Rcxa3
47. Nb4 Rb2 48. Nd5 Rh2 49. Kf1 Rh1+ 50. Ke2 Ra2+ 51. Rd2 Rh2+ {Komodo11}) 42.
Rxf7 Rxd3 (42... Rxa6) 43. g6 Rd1# 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Denham, Colin"]
[Black "Howell, Alun"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1653"]
[BlackElo "1691"]
[Annotator "Rudy"]
[PlyCount "110"]
[EventDate "2018.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nde2 (7. Nb3)
(7. Nf3) 7... Be6 8. O-O Nc6 9. a3 (9. Be3) 9... Be7 10. Ng3 O-O (10... h6 11.
Kh1 O-O 12. f4 exf4 13. Bxf4 Ne5 14. Be3 d5 {Trujillo-Rivera, Puerto Boyaca op
2012,0-1}) 11. Bd2 (11. Nh5 Rc8 12. f4 Kh8 13. f5 Bd7 14. Nxf6 Bxf6 15. Nd5 Ne7
16. Nxf6 gxf6 17. Qh5 {Bokiev-Davis, ICCF email 2014,1-0}) 11... b5 12. b4 (12.
h3) 12... Rc8 13. Kh1 (13. Nh5) 13... Qd7 (13... d5 $15) 14. f3 d5 15. exd5
Nxd5 16. Nxd5 Bxd5 $15 17. f4 Bf6 (17... Rfd8 $17 {Komodo11}) 18. Bf5 (18. Nh5)
18... Be6 19. Bxe6 Qxe6 20. Ne4 Rfd8 {Bl has more active pieces & a backward c
pawn to aim at} 21. Nxf6+ Qxf6 22. Qg4 Nd4 (22... e4 $17) 23. fxe5 Qxe5 (23...
Qe6 24. Qxe6 Nxe6 25. Be3 Rxc2 26. a4 h6 $15 {Komodo11}) 24. Rae1 Qc7 25. Bg5
Rd7 26. Rd1 (26. Bf4 Qc6 27. Be5 Ne6 28. Rf2 h6 $15 {Komodo11}) 26... Ne6 $17
27. Bh6 (27. Rde1) 27... Rxd1 28. Rxd1 Rd8 (28... Qxc2 $19) 29. Rxd8+ Qxd8 30.
Bc1 (30. Be3 $11) 30... Qf6 31. Qe2 h6 $15 32. h3 Qd4 33. Kh2 Kf8 34. Qf3 Qe5+
35. g3 f6 36. Qa8+ Kf7 37. Qb7+ Kg6 (37... Qc7) 38. Qf3 Nd4 39. Qg4+ Kh7 40.
Qd1 (40. Bb2 Nf3+ 41. Qxf3 Qxb2 42. Qf5+ $11 {Komodo11}) 40... Qe4 $17 41. h4 (
41. Qd3 Nf3+ 42. Kh1 Qxd3 43. cxd3 Kg6 $17 {Komodo11}) 41... Qxc2+ (41... Nxc2
$19 {Komodo11}) 42. Qxc2+ Nxc2 $17 43. Kh3 (43. h5) 43... Kg6 (43... h5 $19)
44. Kg4 h5+ 45. Kf4 Nd4 $19 46. Bb2 Ne6+ (46... Nf5 $1 47. Bc3 Nd6 48. Bb2 Nc4
49. Bc1 f5 $19 {the B is tied down, so Bl can slowly move forward} 50. Kf3 Kf7
51. Kf4 Kf6 52. Kf3 Ke5 53. Ke2 Ke4 54. Kf2 Kd3 55. Kf3 Kc3 56. Kf2 Kc2 57. Bg5
Nxa3 58. Be7 Kc3 59. Kf3 Nc2 60. Kf4 Nxb4 $19 {Komodo11}) 47. Ke4 Kf7 48. Kd5 {
Wh has an active K , which is equivalent to a pawn} Ke7 49. Kc6 $11 g5 50. hxg5
{dangerous to allow Bl an outside passed pawn} (50. Kb7 g4 51. Kxa6 f5 52. Bc1
f4 53. Kxb5 fxg3 54. Be3 Ng7 55. Ka6 Kd6 56. b5 $18 {Komodo11}) 50... fxg5 $19
51. Be5 h4 52. gxh4 gxh4 53. Kb6 h3 (53... Kd7 54. Kxa6 Kc6 55. a4 bxa4 56. b5+
Kd5 {the N can stop the remaining B pawn, while the Wh B has to deal with 2
separate passed pawns}) (53... Ng5 54. Kxa6 Ke6 55. Bc7 Nf3 56. Bf4 Kf5 57. Bd6
Ne5 58. Bc5 h3 59. Bg1 Nf3 {Komodo11, is one of those finely calculated
endgames one would rather not have when in time pressure( or otherwise, the
other varition above is much easier to play)}) 54. Kxa6 $11 Nd4 55. Kb6 (55.
Bh2 Ke6 56. Ka5 Kd5 57. a4 Nf3 58. Bf4 bxa4 59. Kxa4 $11 {Komodo11}) 55... Ke6
{(draw agreed), but it seems Bl is still winning!} (55... Ke6 56. Bh2 Kd5 57.
Bb8 Kc4 58. Bf4 Nc2 59. Kc6 Nxa3 60. Kd6 Nc2 61. Ke5 Nxb4 $19 {Komodo11})
1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Morgans, Justin"]
[Black "Miller, John S"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "1668"]
[BlackElo "1648"]
[Annotator "Rudy"]
[PlyCount "115"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 a6 (6... e5) (6...
Nbd7 {main lines}) 7. O-O Ne8 $146 (7... Bg4) (7... c6 {main lines}) 8. Be3 $16
Nc6 9. Qd2 e5 10. d5 (10. dxe5 dxe5 11. Qxd8 Nxd8 12. Bc5 Nd6 13. Nd5 Ne6 14.
Nxc7 Nxc5 15. Nxa8 $16) 10... Ne7 11. Bg5 (11. Ne1 f5 12. f3 {gets back to
more regular positions in the King's Indian}) 11... f5 (11... f6 12. Be3 f5)
12. exf5 gxf5 13. h4 $5 (13. Nh4 {more usual type of move}) 13... f4 $11 14.
Ne4 h6 15. Bxe7 Qxe7 $15 16. g3 {not generally a good idea to make pawn moves
on the side where one is inferior.} (16. b4 {is more logical, though Wh would
rather the h pawn was on h2 than h4}) 16... Bf5 (16... Nf6) 17. Bd3 Bg4 (17...
Bh3 $17 {Wh needs to give up an exchange because of the loose N on f3}) 18. Nh2
Bh3 19. Rfe1 Nf6 20. Bf1 Nxe4 21. Rxe4 Bf5 $17 22. Qxf4 $5 Qd7 (22... Qf7 $19
23. Qe3 Bxe4 24. Qxe4 Qxf2+ 25. Kh1 Qxg3) (22... Qf6 $19) 23. Qe3 $11 Bxe4 24.
Qxe4 Qf5 25. Qxf5 Rxf5 26. Bh3 Rff8 27. Be6+ Kh8 28. Re1 {although an exchange
up, Bl has lost control over the wh squares} h5 29. Re4 Rf6 30. Kg2 Raf8 31. f3
Bh6 (31... c5) 32. g4 Rf4 33. g5 Bg7 34. Kg3 Rxe4 35. fxe4 $11 b5 36. cxb5 axb5
37. Bf5 Ra8 38. a3 Ra4 39. Nf3 b4 40. axb4 Rxb4 41. Bg6 Rc4 (41... Rxb2 42.
Bxh5 $11) 42. b3 Rc3 43. Bxh5 Rxb3 44. Bg6 Rc3 45. h5 c5 46. dxc6 Rxc6 47. h6
Bf8 48. Bf7 Rc3 49. Kg4 Kh7 (49... Re3 50. Bd5 Kh7) 50. Be6 (50. Nh4 $16) 50...
Bxh6 51. gxh6 Kxh6 52. Ng5 (52. Nh4) 52... Rc1 (52... Kg7 $11) 53. Nf7+ Kg7 54.
Nxd6 Rc6 55. Nf5+ Kf6 56. Bd5 Rc1 57. Ng3 Rg1 58. Kh4 $14 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.17"]
[Round "3"]
[White "Jones, Gavin"]
[Black "Andrews, Norman G"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1658"]
[BlackElo "1642"]
[Annotator "Rudy"]
[PlyCount "78"]
[EventDate "2018.??.??"]

1. e4 c5 2. Nc3 g6 3. g3 Nc6 4. Bg2 Bg7 5. Nge2 d6 6. O-O Nf6 (6... e6) 7. h3
O-O 8. d3 Nd7 (8... Rb8) (8... Bd7) (8... a6) 9. f4 (9. Be3) 9... Nd4 (9... Rb8
) 10. Kh2 $146 (10. f5) (10. Be3) (10. Nd5) 10... f5 11. Nd5 Nxe2 12. Qxe2 e6
13. Ne3 Nb6 14. c3 (14. exf5 exf5 15. Re1 Re8 $11) 14... Bd7 15. exf5 exf5 (
15... gxf5 $5) 16. Bxb7 Rb8 17. Qg2 $14 Re8 18. Bf3 Bb5 (18... Na4) 19. Rd1 (
19. c4 Bd7 20. Rb1 Kh8 $14) 19... Ba4 20. Rg1 Nd7 21. Nd5 (21. Nc4 Nb6 22. b3
Bxc3 23. Bb2 Bxb2 24. Qxb2 $16 {Komodo11}) 21... Bb5 22. Qc2 Nf6 23. Be3 {
obstructs the e file} (23. Bd2 $16) 23... Kh8 24. Rge1 (24. Bf2) 24... a6 25.
Bf2 Nxd5 26. Bxd5 Qc7 27. Qd2 Bc6 28. Bb3 (28. Bxc6 Qxc6 29. d4 $16 {Komodo11})
28... a5 29. d4 (29. Rxe8+ Rxe8 30. Re1 $16 {Komodo11}) 29... a4 (29... Be4)
30. Rxe8+ Rxe8 31. Bd1 (31. Bc4 d5 32. Be2 c4 33. Bf3 $14 {Komodo11}) 31... Qe7
(31... Qf7 $15) 32. d5 Bd7 (32... Bb5 $11) 33. Bf3 $16 Bf6 34. h4 (34. Re1 $16)
34... h5 35. Qd3 Qf7 36. Qa6 Qf8 37. Rc1 (37. Qb7 $16 Qg7 38. Re1 Rxe1 39. Bxe1
Be8 40. Qb8 Qe7 41. Bd2 $16 {Komodo11}) 37... Ra8 (37... Rb8) 38. Qc4 (38. Qd3
Rb8 39. Qc2 $16 {Komodo11}) 38... Rb8 39. Rc2 $2 (39. Qe2 $14) 39... Bb5 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Waddington, Mike P"]
[Black "Turner, Matthew J"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2086"]
[BlackElo "2536"]
[Annotator "Rudy"]
[PlyCount "88"]
[EventDate "2018.??.??"]

1. c4 e6 2. Nc3 d5 3. e3 Nf6 4. Nf3 Be7 5. b3 O-O 6. Bb2 c6 (6... c5) 7. Qc2 b6
8. d4 Bb7 9. Bd3 dxc4 (9... Nbd7 {main}) 10. bxc4 c5 11. d5 exd5 (11... Na6 12.
a3 exd5 13. Nxd5 (13. cxd5 {transposes}) 13... Nxd5 14. cxd5 (14. Rd1 $16 {
Stockfish9}) 14... Qxd5 15. Bxh7+ Kh8 16. Rd1 Qc6 17. O-O Rad8 {
Sundararajan-Heinzel, Palma de Mallorca 2008,1/2-1/2}) 12. cxd5 Na6 (12... Bxd5
13. Rd1 $18) 13. a3 c4 14. Bxc4 Rc8 15. Qe2 Nc5 (15... b5 16. Bxb5 (16. Nxb5
Qa5+ 17. Bc3 Qa4 18. d6 Rxc4 19. dxe7 Rfc8 20. O-O Qxb5 21. Bxf6 Bxf3 22. Qxf3
gxf6 23. Rad1 Re8 24. Qxf6 $11 {Stockfish9}) 16... Nc5 (16... Nxd5 17. Bxa6
Nxc3 18. Bxc3 Bxf3 19. Qxf3 Rxc3 20. O-O Rxa3 21. Rad1 Qb6 22. Bb7 $11 {
Stockfish9}) 17. O-O Nxd5 18. Rfd1 Nxc3 19. Bxc3 Qb6 20. Rab1 Qg6 21. Bb4 Be4
22. Rbc1 a5 23. Bxa5 Nb3 24. Rxc8 Rxc8 25. Bb4 Nc1 26. Qf1 Bxf3 27. Bxe7 Bxd1
28. Qxd1 Na2 29. Bf1 h6 30. Qb3 Rc1 31. Qxa2 Qd3 32. h3 Rxf1+ $19 {
Sieglen-Sehner, BL 1993,1/2-1/2}) (15... Nc7 {Stockfish9} 16. Rd1 b5 17. Bxb5
$14 (17. Bd3 $14)) 16. Rd1 Nfe4 17. Nxe4 Nxe4 18. O-O $16 {Fritz15 & Stockfish9
} Bf6 19. Bxf6 Qxf6 20. Rd4 Nc3 21. Qd3 b5 22. Bb3 $16 {Stockfish9} (22. Nd2
bxc4 23. Qxc3 $14 {Fritz15, = for Stockfish9}) 22... a5 23. Re1 (23. e4 $16)
23... Qd6 24. a4 (24. Rh4 g6 25. e4 Qxa3 26. Qd2 f6 27. Bc2 Qd6 28. e5 Qxd5 29.
Bxg6 Qxd2 30. Bxh7+ Kg7 31. Nxd2 f5 32. e6 $11 {Stockfish9, quite hair-raising}
) (24. Ng5 f5 25. e4 a4 (25... Qxa3 26. d6+ Qxb3 27. d7 h6 (27... Rcd8 28. exf5
$18 Bd5 29. f6 Ne4 30. Qxb3 Bxb3 31. Nxe4 gxf6 32. Nc5 $18) 28. exf5 hxg5 29.
dxc8=Q Bxc8 30. f6 $18) 26. Bd1 Rfe8 $11 {Stockfish9}) (24. Bc2 g6 25. e4 Qxa3
(25... f6 26. h4 $16) 26. d6 Qc5 27. d7 Rcd8 28. Qe3 Kg7 29. Qf4 b4 30. Rd6 Nb5
31. Qf6+ Kg8 32. Rd2 $16 {Komodo11}) 24... Ba6 25. Bc2 g6 {Fritz15} (25... f5 {
Komodo11}) 26. Qd2 (26. e4) 26... b4 27. e4 f6 28. Bb3 (28. h4 $16 {Fritz15 &
Komodo11`, to undermine g6}) 28... Rfe8 29. e5 (29. h4 $14 {Fritz15}) (29. g4
$16 {Komodo11, to remove f6 & make e5 possible with connected pawns}) 29...
fxe5 $11 30. Rh4 Rc7 31. Qh6 Ree7 32. g3 (32. Ng5 Ne2+ 33. Kh1 Bd3 34. Ne6 Rc8
35. Rd1 e4 36. Rg4 Rd7 37. h4 $16 {Komodo11}) 32... Bb7 (32... Ne2+ $19 {
Fritz15 & Komodo11} 33. Kg2 Rc3 34. Ba2 Rf7 35. Ng5 Qf6 36. f4 Rc2 $19 37. Nxf7
Qxf7 {other moves draw} 38. Bb3 Rb2 39. Qxh7+ Qxh7 40. Rxh7 Nd4+ 41. Kh1 Kxh7
42. Bd1 Be2 43. Bxe2 Rxe2 {Komodo11}) 33. Rxe5 (33. Rh5 $1 {Fritz15 & Komodo11}
Bxd5 34. Bxd5+ Nxd5 35. Rhxe5 Rxe5 36. Rxe5 Re7 37. Rxe7 Nxe7 (37... Qxe7 38.
Qc1 Nc3 39. Qd2 Qf6 40. Kg2 {and Wh seems to have the perpetual coming
up-Komodo11}) 38. Ng5 Qd1+ $11) 33... Rxe5 34. Nxe5 Ne2+ (34... Bxd5 $19 {
Komodo11} 35. Bxd5+ Qxd5 36. Nxg6 Ne2+ 37. Kf1 Rc1+ 38. Qxc1 (38. Kxe2 Qd1+ {
mates in 11, the kind of position Engines excel in} 39. Ke3 Rc3+ 40. Ke4 Qf3+
41. Kd4 Rd3+ 42. Kc5 Qd5+ 43. Kb6 Qd6+ 44. Kb7 Qd7+ 45. Ka6 Rd6+ 46. Kxa5 Qc7+
47. Kxb4 Rb6+ 48. Ka3 Qc3+ 49. Ka2 Qb2#)) 35. Kf1 Rc1+ {Komodo11 again doesn't
like this, as it cedes a draw, with best play} (35... Bxd5 36. Qe3 Rc3 37.
Bxd5+ Qxd5 38. Qe4 Qxe4 39. Rxe4 Nc1 40. Rc4 Na2 41. Ke1 Ra3 {(though it works
out a draw in this line as well)} 42. Rc5 Rxa4 43. Nc4 b3 44. Nb2 Re4+ 45. Kd2
a4 46. Ra5 Re7 $11 {Komodo11}) 36. Kxe2 $2 (36. Kg2 $1 $11 {Fritz15 & Komodo11}
Bxd5+ 37. Bxd5+ Qxd5+ 38. f3 Rg1+ 39. Kh3 Qe6+ (39... Qxe5 40. Qxh7+ Kf8 41.
Qxg6 Rd1 42. Rh7 Ng1+ 43. Kh4 Nxf3+ 44. Kg4 (44. Kh3 Ng1+ 45. Kh4 Rd4+ {leads
to mate} 46. Qg4 (46. g4 Nf3+ 47. Kh3 Qxh2#) 46... Qf6+ 47. Kh5 Rd5+ 48. Qf5
Qxf5+ 49. Kh6 Qg5#) 44... Nxh2+ 45. Kh3 Rf1 46. Qh6+ Kg8 {otherwise Bl gets
mated} (46... Ke8 47. Qc6+ Kf8 48. Qc8+ Qe8 49. Rh8+ {mate soon follows the
loss of the Q}) 47. Qg6+ {repetition}) 40. Ng4 Qe7 41. Qd2 Re1 42. Qd5+ Kg7 43.
Nf2 $11 {Komodo11, though there still appears to be plenty of play left- the
Engine swaps of the Qs & the Rs leaving the Ns to battle it out on the Q side})
36... Qxe5+ 37. Kf3 (37. Qe3 Qb2+ 38. Kf3 Rc3) 37... Bxd5+ 38. Bxd5+ Qxd5+ 39.
Ke2 (39. Re4 Rc3+) 39... Qd1+ 40. Ke3 Rc3+ 41. Ke4 Qf3+ 42. Kd4 Rd3+ 43. Kc5
Rd5+ {Komodo11 prefers the Q, as in an earlier note, as being 2 moves quicker
to mate} 44. Kb6 (44. Kc6 {loses Q if Bl choooses but mate is still there via
a R move onto d file or e file}) 44... Qf6+ (44... Qf6+ 45. Kc7 Qe7+ 46. Kb6
Qe6+ 47. Kc7 Rd7+ 48. Kc8 Qe8#) 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Musson, Adam J"]
[Black "Young, Alan"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2020"]
[BlackElo "2036"]
[Annotator "Rudy"]
[PlyCount "67"]
[EventDate "2018.??.??"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O Nc6 5. d4 e6 6. c4 Be7 7. cxd5 exd5 {
transposed to a Tarrasch} 8. Nc3 O-O 9. dxc5 (9. Bg5 c4 10. Rc1 Be6 11. b3 Ba3
12. Bxf6 Qxf6 13. Rb1 Bb4 14. Nb5 c3 {Garnett-Young, 4NCL 2012,0-1}) 9... Bxc5
10. Na4 (10. Bg5 d4 11. Bxf6 Qxf6 12. Nd5 Qd8 13. Nd2 Be6 14. Nf4 Qd7 {
Heap-Young, Dyfed open 2013,0-1}) 10... Be7 11. Be3 Ne4 12. Rc1 Qa5 13. a3 Bd7
14. Nc3 Nxc3 (14... Be6 {86% for Wh}) 15. Rxc3 Be6 16. Nd4 Nxd4 17. Bxd4 Rac8
18. Qd3 {Houdini5} (18. Qc1 Rxc3 19. Bxc3 Qb5 20. Qe3 Rd8 21. Rd1 Qb3 22. Rd3
Qa4 23. h4 {Johannessen-Lundin, Stockholms Schackforbond 1960, 1-0}) (18. Qd2
Rc4 19. Rd1 b6 20. e3 Bg4 21. Rdc1 Rfc8 22. Bf1 Rxc3 23. Bxc3 Qc5 24. b4 Qd6
25. Qd4 Qf6 26. Qxg4 Rxc3 27. Rxc3 Qxc3 28. Qd7 Bf8 29. Qxd5 Qxa3 {
Panno-Kalinin, Thessaloniki ol ( Argentina-Wales )1988,1/2-1/2}) 18... Rc4 (
18... Qa4 $14) 19. Rd1 (19. e4 Rxc3 20. Bxc3 dxe4 21. Bxe4 (21. Qxe4 Qc7 22.
Qxb7 Qxb7 23. Bxb7 Rd8 24. Bf3 $16) 21... Qh5 22. Bxb7 Rd8 23. Qe4 $16 {
Stockfish9}) 19... Rd8 20. Qe3 b5 (20... h6) 21. Rcd3 $16 Rd7 22. Bc3 Qd8 23.
Qd2 Rcc7 $2 (23... Rc5 24. Bb4 Rc4 25. Bxe7 Qxe7 26. Bxd5 $16) 24. Ba5 $18 Qc8
25. Bxc7 Rxc7 26. Bxd5 g6 27. Qf4 Bxd5 28. Rxd5 a6 29. h4 Rc4 30. e4 Qe6 31.
Qe5 (31. Re5) 31... Qxe5 32. Rxe5 Bf6 33. Re8+ Kg7 34. e5 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Rayner, Francis"]
[Black "Jones, Iolo C"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2043"]
[BlackElo "2206"]
[Annotator "Rudy"]
[PlyCount "81"]
[EventDate "2018.??.??"]

1. Nf3 Nf6 2. c4 e6 3. g3 c5 (3... d5) 4. Bg2 d5 (4... Nc6) 5. cxd5 (5. O-O)
5... exd5 6. d4 Nc6 7. O-O h6 (7... Be7 8. Nc3 O-O {Musson-Young, 1-0 on the
next board up}) 8. Nc3 Be6 9. b3 (9. Bf4 Rc8 10. Rc1 c4 {probably Bl's
intentio, though 67% for Wh}) 9... Be7 10. Bb2 O-O 11. Rc1 Qa5 {1 Wh win, 2
draws, 2 Bl wins} (11... Rc8 {main, though 75% for Wh}) 12. dxc5 Bxc5 13. a3 (
13. Na4 Be7 14. a3 Ne4 15. b4 Qa6 16. Nd4 Nxd4 17. Bxd4 Rac8 18. Rxc8 Rxc8 19.
f3 Nf6 20. Nc5 Bxc5 21. bxc5 Qxa3 22. Qd2 Nd7 23. f4 f6 {Plachetka- Tatry op,
Tatry} 24. Ra1 {Plachetka-Janousek, Tatry op, Tatranske Zruby 2009,1/2-1/2})
13... Be7 (13... Bd6 14. b4 Qd8 15. Nd4 Rc8 16. Ncb5 Bb8 17. Nxc6 bxc6 18. Nd4
Bd7 19. Nb3 {Galliamova-Benschop, Wld ch U20 girls, Tunja 1989,1-0}) 14. b4 Qd8
15. Nd4 Rc8 (15... Nxd4 16. Qxd4 Qd7 17. Rfd1 Rfd8 18. e4 (18. f4 $16 {Fritz13
& Stockfish9}) 18... dxe4 19. Qxd7 Nxd7 20. Bxe4 a5 21. Bxb7 axb4 22. axb4 Rab8
23. Nd5 Bxd5 24. Bxd5 Bxb4 {De Castro-Harandi, Siegen ol, Pilipines- Iran ,
1970, 1/2-1/2}) 16. Nxe6 (16. Qd2 Qd7 17. Nxe6 fxe6 18. f4 $16 {Fritz13}) 16...
fxe6 17. Bh3 $18 {Stockfish9; Komodo11 just definite plus the Engines concur
on this} Kf7 (17... Qd7 18. e4 $18 d4 19. Qb3 Nd8 20. Rcd1 d3 21. Nd5 $18 {
Cloud Engines}) 18. Na4 (18. e3 Ne5 19. Qe2 Nc4 20. Ba1 (20. e4 d4 21. Rfd1 Qd7
22. Ba1 $18) 20... Nd6 {after this Stockfish 9 has various moves, but each one
seems to 'only' leave Wh with a definite plus, not a win} (20... Nxa3 21. e4 d4
22. Qa2 Qd7 23. Nd5 $18 {Stockfish9}) 21. Rfe1 (21. e4 Ndxe4 22. Nxe4 dxe4 23.
Bxf6 Bxf6 24. Qxe4 Qd7 25. Rfe1 Rfe8 26. Rcd1 Qc6 27. Qh7 Rh8 28. Qd3 Rcd8 29.
Qe2 Rhe8 {having got this far , Stockfish 9 is unable to find a forced win for
Wh, only a definite plus}) 21... Nde4 (21... g6 22. e4 Ndxe4 23. Rcd1 Qb6 24.
Nxe4 Nxe4 25. Kg2 Bf6 26. Bxf6 Kxf6 27. f3 Ng5 28. Rxd5 Rc2 29. Qxc2 exd5 30.
Qd2 Qd8 31. Bg4 Kg7 32. f4 Ne4 33. Qd4+ Nf6 34. Bf3 Rf7 $16)) (18. Re1 Ne5 19.
Nb5 Rxc1 20. Qxc1 Nc6 (20... Qb6 21. Bxe5 Qxb5 22. Bxf6 Bxf6 23. Qc7+ Be7 24.
e4 d4 25. Qf4+ Kg8 26. Bxe6+ $18 {Komodo11}) 21. Qe3 Qd7 22. Nxa7 Nxa7 23. Qxa7
$16 {Komodo11}) 18... b6 {Stockfish9} (18... Bd6 19. Nc5 (19. Re1 Ne4 20. f4
Be7 21. e3 Bf6 22. Bxf6 Qxf6 23. Bg2 Rfd8 24. Bxe4 dxe4 25. Qe2 $16) 19... Bxc5
20. Rxc5 a6 (20... Qd6 21. e4 Nxe4 22. Re1 $18 {Komodo11}) 21. Bxf6 Qxf6 22. e4
d4 23. Qb3 g6 24. b5 axb5 25. Rxb5 Nd8 26. Rd5 exd5 (26... Rc3 27. Rd7+ Kg8 28.
Qb6 Rc6 29. Qb4 $18 {Komodo11}) 27. Bxc8 Qc6 28. Qxd5+ Qxd5 29. exd5 Ke7 30.
Rd1 Kd6 31. Rxd4 $16 {Komodo11}) 19. e3 {Komodo11} (19. f4 Qd7 20. Bg2 {
Fritz13, only slight plus for Komodo11} (20. e4 dxe4 21. f5 Qxd1 22. fxe6+ Kg8
23. Rfxd1 $16 {Komodo11})) 19... Qd7 20. Nc3 (20. f4 g6 21. Bg2 {Fritz13}) (20.
Re1 g6 21. e4 d4 22. e5 Nd5 23. b5 Na5 24. Rxc8 Rxc8 25. Qxd4 $16 (25. Re4 Bc5
26. Nxc5 bxc5 27. Bc1 h5 28. Rh4 Rg8 (28... Qxb5 29. Qf3+ Ke8 30. Bxe6 $18) 29.
a4 Ne7 30. Bd2 Nc4 31. Bg5 Nf5 32. Re4 Qd5 33. Bg2 $16 {Komodo11})) 20... Ne5
$14 21. Ba1 Nc4 (21... a5 {Fritz13 & Komodo11} 22. bxa5 bxa5 23. Rb1 Nc4 24.
Ne2 Bd6 25. Nd4 Rfe8 26. Nxe6 Rxe6 27. Bxf6 Kxf6 28. Qxd5 $18 {Komodo11}) 22.
Ne2 {both Engines, Wh is winning Komodo11} Ne4 (22... Rfe8 23. Nf4 Bd8 24. Bg2
Nd6 25. Rxc8 Qxc8 26. Bh3 Nde4 27. Nxd5 Nxd5 28. Qh5+ g6 29. Qxd5 exd5 30. Bxc8
$16 {Komodo11, also finds ways for Bl to survive for the moment}) 23. Nf4 $18 {
both Engines are now definite about this} Rc6 (23... Ng5 24. Bg4 Bd6 25. Nxd5
Qb5 26. Nf4 Rfd8 27. Qe2 a5 28. h4 $18 {Komodo11}) 24. Rxc4 $1 (24. Qh5+ Kg8
25. Bxg7 {is also winning- Komodo11}) 24... Rxc4 (24... Ng5 25. Qh5+ (25. Rxc6
Nxh3+ 26. Nxh3 Qxc6 27. Nf4 $18) 25... Kg8 26. Rxc6 Nxh3+ 27. Qxh3 Qxc6 28.
Nxe6 $18 (28. Qxe6+ $18 {Komodo11})) 25. Bxe6+ (25. Qh5+ {Komodo11, is even
stronger} Kg8 26. Bxe6+ Qxe6 27. Nxe6 Nf6 (27... Rf7 28. Bxg7 Rxg7 29. Qe8+ Kh7
30. Nxg7) 28. Bxf6 Rxf6 29. Qxd5 b5 30. Nf4+ Rf7 31. Ng6 Bf6 32. Qe6 Rcc7 33.
Qe8+ Kh7 34. Nf8+ Rxf8 35. Qxf8 {Komodo11, Bl is left with just a B for the Q.}
) 25... Qxe6 26. Nxe6 Kxe6 27. Qg4+ Rf5 28. Qxg7 Nd2 29. Qg6+ Bf6 30. Bxf6 (30.
Rd1 $1 Nf3+ 31. Kg2 Ne5 32. Qe8+ Kd6 33. Qf8+ Ke6 34. e4 $1 {the Bl pieces,
bunched together, become a target} Rxe4 35. Qg8+ Ke7 36. Qxd5 Re2 37. Qb7+ Kf8
38. Qc8+ Kf7 39. Qxf5 $18 {Komodo11}) (30. g4 {Komodo11} Rxg4+ (30... Rf3 31.
Rd1 Ne4 32. Qg8+ Ke7 33. Qxd5 $18) 31. Qxg4 Nxf1 32. Qg8+ $18) 30... Rxf6 31.
Qg8+ (31. Qe8+ Kd6 32. Rd1 Nf3+ 33. Kg2 Ne5 34. Qd8+ Nd7 35. Rxd5+ Kxd5 36.
Qxd7+ Rd6 37. Qf7+ Re6 38. Qf5+ Kd6 39. Qd3+ Ke7 40. Qxc4 $18 {Komodo11}) 31...
Kd6 32. Rd1 (32. Qd8+ Ke6 33. Qe8+ Kd6 34. Rd1 {back to above note}) 32... Rc2
33. Qd8+ Ke6 34. Kg2 Rf5 35. Qe8+ Kf6 36. Qf8+ (36. g4 Rg5 37. Qf8+ Kg6 38.
Qd6+ Kg7 39. Qd7+ Kh8 40. h4 Rg7 41. Qd8+ Kh7 42. Qxd5 Rgc7 43. h5 $18 {
Komodo11} (43. Rxd2 {too simple for an Engine scenting evem more material
advantage with the h6 pawn as a target})) 36... Kg6 37. Qd6+ (37. Qg8+ Kf6 38.
g4) 37... Kg7 38. Qe7+ (38. Qd7+ Rf7 39. Qg4+ Kf8 40. Qe2 {Komodo11}) 38... Kg6
39. Qe6+ Rf6 40. Qxd5 (40. Qg8+ Kf5 41. Qxd5+ Kg6 42. Qd3+ {positions that
Engines adore playing}) 40... Nc4 41. Qd3+ (41. Qg8+ {Komodo11} Kh5 (41... Kf5
42. g4+ Ke5 43. Qd5#) 42. Rd5+ Ne5 43. Rxe5+ Rf5 44. Rxf5#) 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Williams, A. Howard"]
[Black "Bourne, Johnathan D"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2274"]
[BlackElo "1957"]
[Annotator "Rudy"]
[PlyCount "111"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 h6 6. Bh4 O-O 7. e3 c5 (7...
Nbd7) 8. Be2 Bf5 (8... g5 9. Bg3 Nh5 10. dxc5 Nxg3 11. hxg3 dxc5 12. Qc2 e6 13.
Rd1 Qe7 14. g4 Nc6 {main}) 9. O-O Nbd7 10. Rc1 g5 {85% for Wh} (10... Qb6 {40%
for Wh}) 11. Bg3 Ne4 (11... Nh5 12. Nxg5 Nxg3 13. fxg3 hxg5 14. Rxf5 {
Zangiev-Nadyrhanov, Krasnodar 1995,1-0}) 12. Bd3 $146 (12. Nxe4 {& 2 other
wins and a draw for Wh)} Bxe4 13. h4 $14 Bxf3 14. Bxf3 cxd4 15. exd4 Qb6 16.
hxg5 hxg5 17. Qd2 Qxd4 18. Qxg5 Qf6 19. Qh5 Qxb2 20. Rb1 Qxa2 21. Bh4 $16 {
Mendoza-Valdes Romero, Khanty-Mansiysk ol 2010,1-0}) 12... Nxg3 (12... Nxc3 13.
Rxc3 Bxd3 14. Qxd3 f5 15. h3 Qe8 $11 {Komodo11}) 13. hxg3 Bxd3 (13... Bg4 $11 {
Cloud Engines}) 14. Qxd3 cxd4 15. Nxd4 Ne5 16. Qe2 Qd7 17. Rfd1 (17. f4 Nc6 18.
Rcd1 $14 {Komodo11}) 17... Rac8 18. b3 Nc6 19. Nf3 (19. g4 $14 {Komodo11})
19... Ne5 (19... Rfd8 20. Nd4 e6 $11 {Komodo11}) 20. Nd5 e6 21. Nxe5 Bxe5 22.
Nb4 (22. Nc3) 22... Qe7 23. Nd3 Bg7 24. e4 Rfd8 $11 25. Qe3 b6 {a slight
weakening of the Q side} (25... Qc7 $11 {Komodo11}) 26. b4 Qb7 27. b5 a5 28. a4
Qc7 29. Kh2 {looking the Q in the face- the placement of the K here leads Wh
to some difficulties later in the game} (29. f4 {Komodo11}) 29... Bf6 30. f4
Kg7 31. Rf1 Re8 {Komodo11 just moves the K up & down, claiming equality} 32. f5
(32. e5 $1 dxe5 33. fxe5 Be7 34. c5 Bxc5 35. Nxc5 bxc5 36. Qf3 Rf8 37. Qf6+ Kh7
38. Rfd1 c4 39. Rc3 Rg8 40. Rd6 $16 {Komodo11}) 32... exf5 (32... Re7 33. fxe6
Rxe6 34. Rf5 Rce8 35. Nf2 Re5 $11 {Komodo11}) 33. Rxf5 Re6 34. Qf2 Bd8 $2 (
34... Qd8 $11) 35. e5 (35. c5 $18 {Komodo11} Qd7 (35... dxc5 36. Nxc5 bxc5 37.
Rcxc5 Qxc5 38. Rxc5 Rxc5 39. Qxc5) 36. c6 Qe8 37. Re1 $18) 35... dxe5 36. c5
Qe7 37. c6 Bc7 $11 {Komodo11; the Wh pawn is blockaded , while Bl has a
potentially mobile e pawn} 38. Qe3 (38. Rf1 f6 39. Nb2 e4 40. Nc4 e3 41. Qe2
Re4 42. Rxf6 Re8 $15 43. Qf3 Rf4 44. gxf4 e2 45. Re1 Qxf6 46. g3 gxf4 47. Rxe2
fxg3+ 48. Kg2 Rxe2+ 49. Qxe2 Qh4 50. Kg1 h5 $15 {Komodo11}) 38... e4 $17 39.
Nf2 Rd8 40. Rd1 Rxd1 41. Nxd1 Re5 (41... Rd6 42. Qe2 (42. Nf2 Kg6 43. Nxe4 Re6
$19 {Komodo11}) 42... Rd3 43. Ne3 Qe6 44. Rf1 Kg6 45. Nf5 Rd5 46. Ne3 Rc5 $17 {
Komodo11; the Wh pieces are in defensive positions}) 42. Qd4 Kg6 (42... Qb4 43.
Qxb4 axb4 44. Rxe5 Bxe5 45. a5 bxa5 46. b6 a4 47. c7 a3 48. c8=Q a2 49. Ne3
a1=Q 50. Nf5+ Kg6 51. b7 Qd1 52. Ne3 Qh5+ 53. Kg1 Bxg3 54. Qg8+ Kf6 55. Qd8+
Kg6 56. Nf1 Bf4 57. b8=Q Bxb8 58. Qg8+ Kf6 59. Qxb8 Qg4 $11 {Komodo11, looks
rather murky}) 43. Rxe5 Qxe5 (43... Bxe5 {keeping Qs on helps to target Wh g3
spot} 44. Qxe4+ f5 45. Qe3 h5 46. Kh1 Qd6 47. Nf2 g4 48. Nd3 Bxg3 49. Qxb6 Qe6
50. Qd8 Qe2 51. Qg8+ Kf6 52. Qf8+ $11 {repetition- Komodo11}) 44. Qxe5 Bxe5 45.
Ne3 $18 h5 46. Nd5 h4 {the counterattack comes too late} 47. c7 (47. Nxb6 $2 e3
48. Kg1 Bd4 $19) 47... Bxg3+ 48. Kg1 Bxc7 49. Nxc7 g4 50. Nd5 {the N is
nimbler than the Bl pawn mass} Kf5 51. Nxb6 e3 52. Nc4 e2 53. Kf2 h3 54. gxh3
gxh3 55. Ne3+ Kg5 (55... Ke4 56. Ng4 f5 57. Nh2 $18) 56. Nc2 (56. Nf1 {also
works as the b pawn is too advanced}) 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Richmond, Jane"]
[Black "May, Adam J"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2097"]
[BlackElo "1951"]
[Annotator "Rudy"]
[PlyCount "65"]
[EventDate "2018.??.??"]

1. e4 c6 2. Ne2 d5 3. e5 d4 (3... Bf5 4. Ng3 Bg6 5. h4 h5 6. e6 {
Richmond-Hewitt, 4NCL 2014,1-0}) (3... c5 4. b4 e6 5. bxc5 Bxc5 6. d4 {
Richmond-Homer, 4NCL 2012,1-0}) 4. c3 {main} (4. Ng3 Qd5 5. f4 g5 6. d3 gxf4 7.
Bxf4 Bg7 8. Qf3 Qa5+ 9. Nd2 Bxe5 10. O-O-O {Richmond-Lentzos, Coventry e2e4 op,
2013, 1-0}) 4... c5 5. Ng3 (5. b4 {main, eg} Qd5 6. f4 d3 7. Ng3 c4 8. Qf3 e6
9. Na3 a6 10. Ne4 b5 11. g3 f5 12. exf6 Nxf6 13. Bg2 Nxe4 14. Qxe4 Bb7 15. Qxd5
Bxd5 16. Kf2 {Mamedov-Navara, China Elite Mind blitz , Huaian 2016,1-0 (
Mamedov has played this line several times with success}) 5... Qd5 (5... Nc6 6.
f4 Nh6 {played a few times}) 6. Bb5+ (6. f4 g5 7. Qb3 Qxb3 {Houdini6} 8. axb3
gxf4 9. Ne4 Bg7 10. Nxc5 Bxe5 11. Bb5+ Nd7 12. O-O {Mamedov-Turov, Agzamov mem
, Tashkent 2012,1-0}) 6... Bd7 7. Bxd7+ Nxd7 8. f4 (8. O-O Nxe5 9. d3 Nf6 $17 {
Stockfish9}) 8... Qxg2 $17 9. d3 (9. Qe2 $5 {Stockfish9}) 9... h5 (9... Nh6)
10. Rf1 Qd5 11. Qe2 h4 12. Ne4 Nh6 13. Nbd2 Nf5 14. Nf3 g6 (14... e6 $17) 15.
cxd4 cxd4 16. Bd2 Rc8 17. Kf2 {a totally unusual position, geared to take
Caro-Kann players out of their comfort zone- the g file may yet grant some
dividends} Bg7 (17... Bh6 $5) 18. Rac1 O-O 19. b3 a6 20. Rg1 Rfd8 21. Neg5 e6
22. Bb4 Nb6 (22... a5 23. Ba3 Nb6 24. Ne4 Qb5 25. Qd2 Nd5 $19 (25... a4 26. Bc5
Nd5 27. Nxd4 Nxd4 28. Bxd4 axb3 29. axb3 Rxc1 30. Rxc1 Qxb3 $19 {Stockfish9}))
23. Qe4 Qd7 (23... Bf8 $19 {Stockfish9}) 24. Ba5 Rxc1 25. Rxc1 Qb5 $2 (25...
Rc8 26. Rxc8+ Nxc8 27. Bd2 Nce7 $19 {Stockfish9}) 26. Qxb7 $1 $18 Qxa5 (26...
Rf8 27. Bxb6 Qxd3 28. Qe4 $18 {but may be best try}) 27. Qxf7+ Kh8 28. Qxg6
Qxa2+ 29. Kg1 Kg8 30. Qxe6+ Kh8 31. Qxf5 (31. Nf7+ Kg8 (31... Kh7 32. N3g5+)
32. Nxd8+ Kh8 33. Nf7+ Kg8 34. N7g5+ Kh8 35. Qe8+ Bf8 36. Qxf8#) 31... Kg8 32.
Qe6+ Kh8 33. Nf7+ (33. Nxh4) 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Waterfield, John W"]
[Black "May, Frank"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "1919"]
[BlackElo "2096"]
[Annotator "Rudy"]
[PlyCount "28"]
[EventDate "2018.??.??"]

1. e4 Nf6 2. Nc3 e6 {avoiding theory} (2... d5) (2... e5 {main}) 3. e5 (3. d4
d5 {main line French} (3... Bb4 4. Bd3 c5 (4... d5 {alternatives}))) 3... Nd5
4. Nxd5 exd5 5. d4 d6 6. f4 (6. Nf3 Bg4 7. Be2 (7. exd6 Bxd6 8. Be2 O-O 9. O-O
c6 {Maroczy-Tartakower, Hasings 1925, 1/2-1/2})) 6... c5 (6... dxe5 7. dxe5 Bc5
8. Nf3) 7. Nf3 (7. c3 {also, tends to transpose}) 7... Nc6 (7... dxe5 8. dxe5
Nc6 {3 Bl wins & a draw}) 8. c3 {back to positions more likely to result from
a Sicilian} dxe5 9. fxe5 cxd4 10. cxd4 Bb4+ (10... Bg4 {2 Bl wins, 2 draws})
11. Bd2 $146 {Cloud Engines} (11. Kf2 {2 Bl wins, 1 draw}) 11... O-O $11 {
Stockfish9} (11... Nxd4 12. Bb5+ (12. Nxd4 Qh4+ 13. Ke2 Bc5 (13... Qxd4 14.
Qa4+ $18) 14. Be3 Bg4+ 15. Nf3 $16) 12... Nxb5 13. Bxb4 Qb6 14. Qxd5 $11 {
Stockfish9}) 12. Be2 (12. Bxb4 Nxb4 13. Bd3 Bg4 14. O-O $11 {Stockfish9}) 12...
Bxd2+ (12... Nxd4 $1 $17 {Stockfish9} 13. O-O (13. Bxb4 Nxf3+ 14. Bxf3 (14. Kf1
Nxe5 15. Bxf8 Qf6+ 16. Ke1 Kxf8 17. Qxd5 Bg4 $15 {Stockfish9}) 14... Qh4+ 15.
g3 Qxb4+ 16. Qd2 Qb6 $17) 13... Bc5 14. Kh1 Nxe2 15. Qxe2 Bf5 $17) 13. Qxd2 f6
14. O-O fxe5 {(draw agreed)} 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Heap, Gerry"]
[Black "Morcom, Huw"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2086"]
[BlackElo "1913"]
[Annotator "Rudy"]
[PlyCount "60"]
[EventDate "2018.??.??"]

1. c4 Nf6 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 O-O 6. e4 c6 7. Nge2 Na6 (7... e5
{main}) 8. Rb1 {Gerry quite likes this early Q side activity, delaying giving
Bl a target on the K side} (8. O-O) 8... Nc7 9. b4 d5 $11 10. cxd5 cxd5 11. e5
Nfe8 (11... Nd7 12. d4 Nb6 13. O-O Bf5 14. Rb3 Rc8 $11 {Komodo11}) 12. d4 Bf5
13. Rb2 Rc8 14. Nf4 f6 15. exf6 Nxf6 16. Qb3 (16. O-O $11) 16... Nb5 $17 17.
Nxb5 (17. Nfe2 Nxc3 18. Nxc3 Ne4 19. Bxe4 Bxe4 20. O-O Bf3 21. Ne2 e5 $19 {
Komodo11}) 17... Rxc1+ $19 18. Ke2 {Wh will now have problems with his K in
the middle} Rxh1 19. Bxh1 Qb6 (19... e6 $19 {Komodo11}) 20. Nc3 (20. Bxd5+ Kh8
21. a4 Nxd5 22. Nxd5 Bg4+ 23. Kf1 Qc6 24. Nbc3 (24. Rc2 Qe6 $19 {all the wh
squares are severely weak}) 24... Bxd4 25. b5 Qd6 26. f4 Rc8 $19 {multiple
pins to cope with}) 20... Qxd4 (20... e6) 21. Rd2 Qe5+ 22. Kf1 e6 23. Re2 Qd6
24. Na4 g5 25. Nd3 Bxd3 26. Qxd3 Qxb4 {Wh need to have the positions of his K
& B reversed} 27. Nc3 Ng4 28. Nxd5 {desperation & Komodo11 suggestion} (28. Nd1
Ne5 29. Qc3 Qb1 30. Qd2 Qf5 31. Kg1 g4 $19) 28... exd5 29. Qxd5+ Kh8 30. Qxg5
Qc4 {a fatal pin on the R} (30... Qc4 31. f4 Nxh2+ 32. Ke1 (32. Kg2 Qxe2+ 33.
Kh3 Nf1 34. Bg2 Ne3 {mating}) 32... Qc1+ 33. Kf2 Bd4+ 34. Kg2 Qf1+ 35. Kxh2
Bg1#) 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Haigh, Tony"]
[Black "French, Max"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1799"]
[BlackElo "1997"]
[Annotator "Rudy"]
[PlyCount "64"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. Bg5 c5 3. Bxf6 gxf6 4. d5 Qb6 5. Qc1 f5 (5... e5 6. g3 {Haigh-IC
Jones, Dyfed Open 2012,0-1}) 6. e3 Bg7 7. c3 d6 {main} (7... h5 8. h4 Qg6 9.
Nh3 e5 10. dxe6 fxe6 11. Na3 d5 {Haigh-R Van Kemenade, Dyfed League 2013,1-0})
8. g3 (8. Nd2) (8. Ne2) 8... Nd7 9. Nd2 Ne5 (9... Nf6 {main}) 10. Qc2 (10. Ngf3
Nxf3+ 11. Nxf3 Bd7 12. a4 Qb3 13. Qd2 Bxa4 14. Ra3 Bxc3 15. Rxb3 Bxd2+ 16. Nxd2
Bxb3 17. Bb5+ Kd8 18. Nxb3 $11 {Martin Consuegra-Rodriguez Bachiller, Mostoles
Bicentenary 2008,1/2-1/2}) 10... e6 (10... O-O) 11. dxe6 (11. Nh3 exd5 12. Nf4
Be6 13. Bg2 $11 {Komodo11}) 11... fxe6 12. O-O-O {a bit exposed here} (12. f4
Ng4 13. Nc4 Qc6 14. Bg2 d5 15. h3 Nh6 16. Ne5 Bxe5 17. fxe5 Rg8 18. Ne2 Qa6 19.
O-O Bd7 $15) 12... Qc6 (12... Bd7) 13. e4 O-O 14. f3 (14. Nh3 b5 15. Bg2 Rb8
16. Nf4 (16. f4 Ng4 17. Rhe1 $11) 16... Qa6 17. Kb1 b4 $14) 14... b5 (14... d5
$17 {Fritz11SE & Komodo11}) 15. Bg2 c4 16. Nh3 Nd3+ (16... b4 17. Kb1 bxc3 18.
bxc3 Nd3 19. Ka1 Rb8 $19 {both Engines}) 17. Kb1 fxe4 (17... Rb8 $19 {
Komodo11- the Bl piecesw are sweeping in, & Wh has little activity}) 18. Nxe4
e5 (18... d5 {Houdini1.5 & Fritz11SE}) (18... b4 $17 {Komodo11}) 19. Nhf2 (19.
f4 $5) 19... d5 $19 20. Nxd3 cxd3 21. Qb3 Kh8 22. Nd2 Be6 {the Bl pieces get
ready to invade} 23. Rhe1 d4 (23... a5 $19 {Komodo11}) 24. Qa3 b4 (24... e4 25.
Nxe4 b4 $19 {all 3 Engines}) 25. cxb4 Qc2+ 26. Ka1 a5 27. bxa5 (27. b5 $15 {
keeps files closed for a little}) 27... Rfb8 $19 {all 3 Engines} 28. Bf1 (28.
b3 Bf8 29. Qb2 Bb4 30. Ne4 Rxa5 $19 {Komodo11}) 28... Rxa5 $1 29. Bxd3 Rxa3 30.
Bxc2 Rxa2+ 31. Kb1 Rbxb2+ 32. Kc1 Rxc2+ 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Van Kemenade, Rudy"]
[Black "Moore, Robert"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1981"]
[BlackElo "1840"]
[Annotator "Rudy"]
[PlyCount "67"]
[EventDate "2018.??.??"]

1. f4 d5 2. Nf3 c5 (2... Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. d3 c5 7. Qe1 Nc6
8. c3 Qc7 9. Na3 Re8 10. e4 {Van Kemenade- Moore, WCPl 2013,1/2-1/2}) 3. g3 Nf6
4. Bg2 Nc6 5. O-O e6 6. d3 (6. c3 Bd6 7. Na3 O-O 8. Nc2 b6 9. d3 Ba6 10. Qe1 {
Van Kemenade- Moore, Dyfed Open 2009,0-1}) 6... Be7 (6... Bd6) 7. c3 (7. e4 $5)
7... O-O 8. Qc2 (8. Qe1) 8... b5 (8... b6) (8... Qc7) 9. e4 Qb6 (9... dxe4) (
9... c4 {main lines}) 10. e5 (10. Kh1 Bb7 11. e5 Nd7 12. Nbd2 f6 13. exf6 Bxf6
14. Re1 Rae8 15. Bh3 Ncb8 16. d4 {Pekar-Pecinka, Usti nad Orlici op 2006,1-0})
(10. c4 $6) 10... Nd7 11. a4 (11. Be3) 11... a5 (11... c4+ 12. d4 b4 13. Qf2
Rb8 $15 {Stockfish9}) 12. axb5 Qxb5 13. Na3 Qb6 14. c4 (14. Be3) 14... Nb4 15.
Qe2 Ba6 16. g4 (16. Be3 $11) 16... Rad8 (16... Nb8 17. Be3 N8c6 18. b3 Rad8 $15
19. Rab1) 17. f5 {breaking too early} exf5 (17... Rfe8 18. Bf4 exf5 19. gxf5
Bd6 20. Ng5 f6 21. Ne6 Bxe5 22. Qg4 Re7 23. Nxd8 Qxd8 $17 {Stockfish9}) 18.
gxf5 Rfe8 19. Qd1 $6 {hoping for Q side play} (19. e6 {intended earlier} fxe6 (
19... Bf6 20. Ng5 (20. exf7+ Kxf7 21. Ng5+ Kg8 22. Qh5 Bxg5 23. Bxg5 Nf6 $15)
20... fxe6 21. fxe6 h6 22. Qh5 Bd4+ 23. Kh1 Ne5 24. Nf7 Qxe6 25. Nxd8 Rxd8 26.
Nb5 Bxb5 27. cxb5 Nexd3 28. Bh3 Qe4+ 29. Bg2 Qe6 30. Bh3 $11 {Komodo11})) (19.
Bf4 {also considered} Bd6 (19... Nxe5 20. Nxe5 Bf6 21. Rae1 Bxe5 22. Bxe5 f6
23. Qg4 Rxe5 24. Rxe5 fxe5 25. f6 Qc7 26. f7+ Kf8 27. Qf5 Rd7 $11) 20. Ng5 f6
$15 {as in previous note}) 19... dxc4 $19 20. Nxc4 Bxc4 21. dxc4 Nxe5 22. Qa4 (
22. Qb3) 22... Nxf3+ (22... Nxc4 {looked at in pm analysis & considered
winning for Bl} 23. b3 Nd6 24. Qxa5 Qxa5 25. Rxa5 Nxf5 26. Ne5 g6 $19 {
Stockfish9} (26... Nd4 27. Nxf7 Nxb3 28. Nxd8 Nxa5 29. Ne6 c4 {& Bl is2 pawns
up})) 23. Bxf3 (23. Rxf3 {may be better to protect f5}) 23... Qd6 (23... Qf6)
24. Qxa5 (24. Re1) 24... Qd4+ 25. Kh1 Qxc4 (25... Qh4 26. Be3 Rd2 $1 $19 {
Stockfish9}) 26. Be3 Nc2 (26... Nd3 {expected} 27. Ra4 Qb3 28. Re4 Bf8 $19 {Wh
doesn't have enough play for the pawn & another is about to drop off}) 27. Rac1
Rc8 {getting behind a possible threatened pawn, but going on the defensive} (
27... Qd3 28. Bg1 Nd4 $17 {controlling the centre- Stockfish9}) 28. Bb7 (28.
Qd2 Nxe3 29. Rxc4 Nxc4 30. Qc3 Nd6 31. Rg1 Bf8 32. f6 g6 33. Bd5 $11 {
Stockfish9}) 28... Rb8 (28... Qb3 $1 $19 {Stockfish9} 29. Bxc8 {Wh was wary of
ceding the long diagonal} Qd5+ 30. Kg1 Nxe3 31. Rf2 Rxc8 32. Qd2 Qxd2 33. Rxd2
Nxf5 $19) 29. Qc7 (29. Bc6 Rec8 30. Bf4 Rxc6 31. Bxb8 Qe4+ 32. Kg1 Rc8 33. Qd2
Bf6 34. Qxc2 Bd4+ 35. Rf2 Bxf2+ 36. Qxf2 Rxb8 37. Rxc5 h6 $19 {Wh's K is
precariously open} 38. Rc1 Qe5 39. Re1 Qf6 40. Re2 Rb5 $19 {Stockfish9}) 29...
Kf8 {defending again} (29... Qb3 $19 {attacks 2 Bs}) 30. f6 $1 $18 {seizing
the opportunity} Bxf6 31. Rxf6 $1 Rbc8 (31... gxf6 32. Bh6+ (32. Qd6+ Re7 33.
Bh6+ Ke8 34. Bc6+ Rd7 35. Qxd7#) 32... Kg8 33. Qg3+ Qg4 34. Qxg4+ Kh8 35. Qg7#)
32. Qd6+ (32. Rxf7+ Qxf7 33. Bxc5+ Kg8 34. Qxf7+ Kxf7 35. Bxc8 Rxc8 36. Rxc2 {
also possible}) 32... Re7 (32... Kg8 33. Bd5) 33. Bd5 (33. Rf3 Nxe3 34. Qxe7+
Kxe7 35. Rxe3+ Kf8 36. Rxc4 $18 {Stockfish9}) (33. Rf4 Qe6 34. Qxe6 Rxe6 35.
Bxc8 Rxe3 36. Rxc2 $18 {Stockfish9}) (33. Bh6 Ke8 34. Bxg7 Qg4 35. Bc6+ Rxc6
36. Qxc6+ Qd7 37. Rxc2 $18 {Stockfish9}) (33. Bg5 $1 Rce8 34. Bd5 $18 {
Stockfish9}) 33... Qe2 (33... Qxd5+ 34. Qxd5 Nxe3 35. Qf3 gxf6 36. Qxf6 {the
Bl K is still exposed} Ke8 37. Rg1 (37. b4 Nd5 38. Qh8+ Kd7 39. Qxh7 $18) 37...
Re6 (37... Rcc7 38. Ra1 h5 39. Ra8+ Kd7 40. b4 $1 Nd5 (40... cxb4 41. Qd4+ Kc6
42. Ra6+ Kb7 43. Qb6+ Kc8 44. Ra8+ Kd7 45. Qb5+ (45. Qd4+) 45... Rc6 46. Ra7+
Kd6 47. Qxb4+ Rc5 48. Qb6+ (48. Rxe7) 48... Kd5 49. Qd8+ Kc4 50. Qxe7) 41. Qf5+
Kd6 42. Ra6+ Rc6 43. bxc5+ Kxc5 44. Ra5+ $18)) 34. Rxf7+ (34. Rxf7+ Kg8 35.
Rxg7+ Kh8 (35... Kxg7 36. Qxe7+ Kg6 37. Qf7#) 36. Qxe7 Qh5 37. Rg2 Qg6 38. Qe5+
Qf6 39. Qxf6#) 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Brown, Thomas"]
[Black "Fowler, Hugo"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2085"]
[BlackElo "1786"]
[Annotator "Rudy"]
[PlyCount "61"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 (7. Bc4
) (7. Nf3) 7... c5 8. Rc1 (8. Qd2) 8... O-O (8... Qa5) 9. Nf3 Nc6 10. d5 Ne5
11. Nxe5 Bxe5 12. f4 (12. Bxc5 Qa5 13. Bd4 Bxd4 14. Qxd4 Qxa2) 12... Bg7 13.
Bxc5 $146 (13. Qd2 {main}) (13. Bc4 {Komodo9}) 13... Qc7 14. Be3 Bxc3+ 15. Kf2
{Stockfish8} (15. Bd2 Bxd2+ 16. Qxd2 Qd6 $11 {Komodo11}) 15... Qa5 (15... Bd7 {
Cloud Engines}) 16. Qd3 {Fritz11SE} (16. Qb3 {Komodo11}) 16... Bg7 17. Qd2
Qxd2+ 18. Bxd2 $16 Rd8 19. Bb4 {Wh has a bit more space & easier development}
e6 (19... Kf8) 20. Be7 Re8 21. d6 Bd4+ 22. Kf3 Bd7 23. Rc7 Bc6 24. Ba6 Bb6 (
24... Rab8) 25. Bxb7 $18 Bxc7 (25... Bxb7 26. Rxb7 Rec8 27. Bf6 Bd8 28. d7 Rc2
29. e5 Bxf6 30. exf6 Rd8 31. Rd1 $18 {Komodo11}) 26. Bxc6 Bb6 (26... Bxd6 27.
Bxd6 Red8 28. Be7 Rd3+ 29. Ke2 Rad8 30. Bxd8 Rxd8 31. Rd1 $18) 27. Bxa8 (27. e5
) 27... Rxa8 28. Rb1 (28. d7) 28... f5 29. Rxb6 axb6 30. d7 fxe4+ 31. Kxe4 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Zeidler, Sven P."]
[Black "Leah, Howard"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2165"]
[BlackElo "1467"]
[Annotator "Rudy"]
[PlyCount "51"]
[EventDate "2018.??.??"]

1. e4 c5 2. f4 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Nf3 a6 6. Ne5 (6. d4) 6... Nf6 7.
a4 (7. Qf3 {main}) (7. Bc4 e6 8. Qf3) 7... b6 $146 8. Bc4 (8. Be2 {Komodo11})
8... e6 9. Qe2 (9. Qf3 Ra7 10. O-O Be7 $11) 9... Bd6 10. O-O O-O 11. d3 (11. b3
Bb7 12. Bb2 Qc7 $11) 11... Qc7 (11... Bb7 $15 {Komodo11}) 12. Ng4 (12. Ne4)
12... Nxg4 13. Qxg4 f5 (13... Nc6 14. Qf3 Bb7 15. Qf2 Nd4 $15 {Komodo11}) (
13... e5 14. f5 Kh8 15. Qh4 $18) 14. Qe2 Rf6 (14... Kh8 $11) (14... Nc6 15.
Bxe6+ $14) (14... Qf7 $11) 15. Nd5 $1 $18 exd5 16. Bxd5+ Kh8 17. Bxa8 Bb7 (
17... Nc6 18. Qe8+ $18) 18. Bxb7 Qxb7 19. Bd2 Qf7 20. Bc3 (20. Rae1) 20... Re6
21. Qf3 h6 22. Qd5 (22. Rae1) 22... Qe7 23. Rae1 Rxe1 24. Rxe1 Qf8 25. Qb7 b5
26. Re8 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Greatorex, Roger"]
[Black "Miles, Richard"]
[Result "1/2-1/2"]
[ECO "A65"]
[WhiteElo "1722"]
[BlackElo "1960"]
[Annotator "Rudy"]
[PlyCount "54"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 e6 8. Qd2 exd5
9. cxd5 Re8 10. Be2 (10. Nge2 {main}) 10... a6 11. a4 Qa5 12. Ra3 Nbd7 13. Bb5
$146 (13. Nh3 {only move played}) 13... Qc7 $15 (13... axb5 14. axb5 Nxe4 $1
15. Nxe4 Qxd2+ 16. Kxd2 Rxa3 17. bxa3 Re5 $17 {Stockfish9}) 14. Bxd7 Nxd7 $15
15. a5 Ne5 $19 16. Qe2 (16. Qc2 Bd7 17. Nge2 Nc4 18. Ra1 Nxa5 $19) 16... b5 17.
axb6 Qxb6 18. Na4 Qc7 (18... Qb4+ 19. Bd2 Qb5 $19) 19. f4 Bg4 20. Nf3 Nxf3+ 21.
gxf3 Bh3 $19 22. Nc3 Qb6 23. Kf2 Bd4+ 24. Kg3 Bd7 25. Rha1 a5 26. R1a2 Kg7 27.
Kg2 Ra7 $15 (27... Kg8) 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Francis, Matthew"]
[Black "Taylor, Robert Graham"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1694"]
[BlackElo "1906"]
[Annotator "Rudy"]
[PlyCount "119"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 b6 5. O-O Bb7 6. Nbd2 (6. c4) 6... d5 7. b3
Nbd7 8. Bb2 Be7 9. Re1 (9. Ne5 {main}) 9... O-O 10. Ng5 $146 (10. Ne5 {main})
10... h6 11. Nh3 Rc8 $15 12. f3 Re8 (12... Qc7 $17) 13. Nf2 Qc7 14. c4 Bd6 15.
Nf1 e5 (15... cxd4 16. exd4 dxc4 17. Bxc4 Bb4 $15 {Stockfish9}) 16. dxe5 (16.
cxd5 $11) 16... Nxe5 (16... Bxe5) 17. Bf5 $16 Rcd8 18. Qc2 (18. f4 d4 (18...
Ned7 19. Bxd7 Nxd7 20. cxd5 $16) 19. fxe5 Rxe5 20. Qc2 Rde8 21. Re2 $16 {
Stockfish9}) 18... dxc4 19. e4 (19. bxc4 Nxf3+ 20. gxf3 Bxf3 21. Nh3 Ne4 22.
Bxe4 Rxe4 23. Nf4 Bxf4 24. exf4 Rxf4 25. Ng3 Rg4 26. Qf2 Bb7 27. Rad1 Rg6 $15
28. Rxd8+ Qxd8 29. Qf4 h5 30. Kf2 Rg4 31. Qe5 $11 {Stockfish9}) 19... cxb3 (
19... Nd3 $19 {Stockfish9}) 20. axb3 a5 (20... Nh5 $17 {Stockfish9}) 21. f4 $11
Ng6 (21... Nc6 22. e5 Nxe5 23. fxe5 Bxe5 24. Bxe5 Rxe5 25. Ng4 Nxg4 26. Bxg4 h5
27. Bh3 g6 {Bl has 3 pawns for the piece & some activity}) 22. Bxg6 fxg6 23. e5
$16 Qc6 24. Nd3 (24. Qxg6 $18) 24... c4 (24... Bc7 25. exf6 gxf6 26. Nb4 Qxg2+
27. Qxg2 Bxg2 28. Bxf6 Rxe1 29. Rxe1 Rd7 30. Na6 Bxf1 31. Nxc7 Bh3 32. Re7 $16
{Stockfish9}) 25. Qxc4+ Qxc4 26. bxc4 Be7 27. exf6 gxf6 28. Rad1 (28. Red1 $18)
28... Ba6 29. Nc1 {retreating} (29. Ne3 $18 {Stockfish9}) (29. Rxe7 Rxe7 30.
Bxf6 Bxc4 31. Bxe7 Rxd3 32. Rxd3 Bxd3 33. Bd8 $18 {Stockfish9}) 29... Rxd1 (
29... Bc5+ 30. Kh1 Rxe1 31. Rxe1 Bxc4 32. Bxf6 Rd7 $17 {Bl's Q side pawns are
dangerous & the Wh Ns ineffective}) 30. Rxd1 Bxc4 $11 31. Kh1 (31. Kf2 {the K
is needed to fight in the endgame}) 31... b5 32. Re1 (32. Ne3 Be6 $15) 32...
Kf8 $17 (32... Kf7 $19) 33. Nd2 a4 (33... Bf7 $17) 34. Nxc4 bxc4 $11 35. Na2
Rd8 36. Bc3 f5 37. g3 g5 38. Kg2 (38. Re5 $18) 38... gxf4 39. gxf4 Kf7 40. Re2
Bd6 41. Rd2 (41. Kf3) 41... Rg8+ 42. Kf3 Be7 (42... Ke6) 43. Rd7 (43. Rd5 Kg6
44. Re5 Bd8 45. Rc5 $18 {Stockfish9}) 43... Ke6 44. Rc7 Rg1 45. Rxc4 $18 a3 46.
Be5 Rf1+ 47. Kg2 (47. Ke2 Rh1 48. Rc6+ Kd5 49. Rxh6 $18 {Stockfish}) 47... Rd1
48. Rc2 h5 49. Bc3 (49. Nc3 Rd3 50. Nb5 Kd7 51. Nd4 Bd6 52. Bxd6 Kxd6 53. Nxf5+
Kd5 54. Ng3 h4 55. Ne2 $18 {Stockfish9, the extra pawn helps}) 49... Bd6 50.
Re2+ Kd5 51. Rd2+ (51. Be5 $16) 51... Rxd2+ 52. Bxd2 Kc4 $11 {however the Wh
pieces have retreated from active posts & theBl K is very energetic} 53. Nc1 a2
$6 (53... Bb4 54. Bxb4 Kxb4 55. Kh3 Kc3 56. Na2+ Kb3 57. Nc1+ Kc2 58. Na2 Kb3
$11) 54. Nxa2 $18 Kb3 55. Kh3 (55. Nc1+ $18 Kc4 (55... Kc2 56. Be3) 56. Kf3 Kd5
57. Ba5 {and eventually Wh will win the 2 K side pawns}) 55... Be7 (55... Kxa2
56. Kh4 Kb1 57. Kxh5 Kc2 58. Be3 Kd3 59. Bc1 Ke4 (59... Kc2 60. Be3 Kd3 $11)
60. Kg5 Bc7 61. h4 Bd8+ 62. Kh5 Be7 $11) 56. Be1 (56. Nc1+ $18) (56. Nb4 Kc4
57. Nc6 $18 {Stockfish9}) 56... Kxa2 $11 57. Bh4 Bc5 58. Bg5 Bf2 59. Bh4 Bc5
60. Bg5 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Jones, Martin C"]
[Black "Whale, Michael"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1769"]
[BlackElo "1743"]
[Annotator "Rudy"]
[PlyCount "102"]
[EventDate "2018.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 d6 {not mentioned in theory books,
though has been played a couple of times by Marin, a chess author} (4... Bc5) (
4... Nf6 {main theoretical lines}) 5. Nxc6 (5. Nc3 Nf6 6. Bb5 Bd7 {transposes
to a Steinitz defence in the Ruy}) (5. Bb5 {likewise}) 5... bxc6 6. Bc4 (6. Nc3
Nf6 7. Bd3 {alternative setup used by Karjakin & other GMs#}) 6... Be6 (6...
Nf6 7. Nc3 Be7 8. O-O O-O 9. Re1 Nd7 {main}) 7. Qe2 (7. Bxe6 fxe6 8. O-O $14 {
though Bl has gained 2 wins & 3 draws}) 7... Be7 (7... g6 {Fritz15 & Stockfish9
}) 8. Bxe6 (8. O-O Bf6 (8... Nf6 9. Bf4 O-O 10. Nc3 Nd7 {2 Wh wins, 1 draw, 4
Bl wins}) 9. Nd2 Ne7 10. c3 O-O 11. Nb3 Bxc4 12. Qxc4 Qd7 {Benkunskiene-Kuvsino
enkunskiene-Kuvsinov, Saltinis op, Vilnius 2013,1/2-1/2}) 8... fxe6 9. Qh5+ {
a waste of 2 tempi, as Bl ic content to have his B cover the gap} (9. e5 {
Stockfish 9, is annoying because the e5 pawn disrupts Bl's development, or
leads to a structural mess} dxe5 10. Qh5+ g6 (10... Kf8 11. O-O Nf6 12. Qxe5
Qd5 13. Qe2 $16) 11. Qxe5 Bf6 12. Qe2 $16 (12. Qxe6+ Qe7 {allows a Q swap, but
seems a safe pawn to take, though Bl gets some play} 13. Qxe7+ Nxe7 14. Nd2 O-O
15. Nc4 Nd5 16. Be3 Rae8 17. O-O-O Re4 18. Nd2 Ra4 19. a3 Nxe3 20. fxe3 Bg5 21.
Rhe1 Rf2 22. Nf3 Rg4 23. Rd2 Rxd2 24. Kxd2 Rxg2+ 25. Re2 Rxe2+ 26. Kxe2 Bf6 27.
b3 $14 {Stockfish9 nudged})) 9... g6 10. Qe2 Bf6 11. c3 Bg7 12. Nd2 Ne7 13. Nf3
O-O $14 {Bl is actually better developed than Wh & has pressure down the f
file , also prospects on the b file} 14. Bg5 (14. h4 h6 15. h5 g5 16. O-O (16.
Nxg5 hxg5 17. Bxg5 {is briefly suggested by Stockfish9 as =} Qe8 18. f4 Bf6 19.
Bh6 Bg7 20. Bg5) 16... Qd7 17. Be3 c5 18. Rad1 Qe8 19. Nd2 Rb8 20. Nc4 Nc6 $11
{Stockfish9}) 14... Qd7 15. h4 (15. e5 Nd5 16. O-O Rf5 $11 {Stockfish9}) 15...
h6 16. Be3 (16. Bxe7 Qxe7 17. h5 g5 18. Nh2 Rab8 (18... Qf7 19. Ng4 a5 20.
O-O-O a4 $11) 19. Ng4 d5 $11 {Stockfish9}) 16... e5 {blocks in the B} (16... c5
17. O-O Rab8 $11 {Stockfish9}) 17. Qd2 (17. Qc4+ Kh8 18. O-O-O a5 19. h5 g5 20.
Nd2 a4 $11 {Stockfish9}) (17. h5 g5 18. Nd2 a5 $11 {though Bl has a horrible B
in any endgame}) 17... Qg4 18. Rg1 $2 (18. Kf1 d5 19. exd5 Nf5 20. Kg1 Rad8 21.
Rh3 cxd5 22. Bxa7 Qc4 $11 {Stockfish9, though the Wh pieces seem rather
awkwardly placed}) (18. Rh2 Rxf3 $19) 18... Rxf3 $19 19. O-O-O (19. Qe2 Rxe3 (
19... Raf8 20. O-O-O R3f4 21. f3 Qg3 22. Bxf4 Qxf4+ {Stockfish9}) 20. Qxe3 Qxh4
$19) 19... Rff8 20. f3 Qe6 21. Kb1 a5 (21... Kh7 {safe}) 22. Bxh6 a4 23. h5 a3
24. b3 Rab8 (24... gxh5 25. Bxg7 Kxg7 26. Qg5+ Kf7 27. Qxh5+ Qg6 28. Qxg6+ Nxg6
$19 {Stockfish9}) 25. Bxg7 Kxg7 26. hxg6 Nxg6 (26... Qxg6) 27. Rh1 Rh8 28. Kc2
Qf7 29. Qe3 Qf4 30. Qa7 Qf7 31. Rxh8 Rxh8 32. Qxa3 Rh2 33. Rd2 Nf4 34. Qa7 (34.
g3 Rxd2+ 35. Kxd2 Ne6 36. Ke3 Qg6 37. Kf2 Qh6 $19 {Stockfish9 nudged}) 34...
Rxg2 (34... c5) 35. Rxg2+ Nxg2 36. a4 Ne1+ 37. Kb2 Nd3+ 38. Ka3 Nc5 39. c4 Ne6
(39... Kg6 {Stockfish9 keeps the N on its agressive square} 40. Qb8 Qxf3 41.
Qg8+ Kh6 42. Qh8+ Kg5 43. Qg8+ Kf4 {there is no perpetual & the Bl K is just
nearer the centre pawns}) 40. Qf2 c5 41. a5 c6 (41... Nd4 42. a6 Nc6 $19) 42.
Qg3+ (42. Qh4 {would make Bl suffer over that advanced a pawn} Qf6 {only move
to keep an advantage} 43. Qg4+ Kf7 (43... Qg6 44. Qxg6+ Kxg6 45. a6 Nc7 {Ns
are very bad against R pawns as there is only one directiion to jumpin when
approached by the opposing K} 46. a7 Kg5 47. Ka4 Kf6 (47... Kf4 48. Ka5 $18)
48. Ka5 Ke6 49. Kb6 Kd7 50. Kb7 Na8 51. Kxa8 Kc8 52. f4 exf4 53. e5 dxe5 54. b4
cxb4 55. c5 b3 {stalemate}) 44. a6 Qh8 45. a7 Ke7 46. Qg6 Nc7 47. Ka4 Na8 48.
b4 cxb4 49. Kxb4 Kd7 50. Qf7+ Kc8 51. c5 Qd8 52. Qe6+ Kb7 53. cxd6 c5+ 54. Kc4
Nb6+ 55. Kxc5 Nd7+ 56. Kb4 Qb6+ 57. Kc3 Qc6+ 58. Qc4 Qxd6 59. Qb4+ Qxb4+ 60.
Kxb4 Kxa7 61. Kc4 Kb6 62. Kd5 Kc7 63. Ke6 Kc6 64. Kf5 Kd6 65. f4 $11 {
Stockfish9 nudged-gets rid of the last Bl pawn}) 42... Kf8 43. Qh3 Ke7 $19 44.
a6 Kd8 45. Qh8+ Qe8 (45... Nf8 46. Qh6 Kc7 47. a7 Qe8 $19 {Stockfish9}) 46.
Qxe8+ (46. a7 Nc7 47. Qf6+ Kc8 48. Qxd6 Kb7 49. Qxc5 Na6 50. a8=Q+ Qxa8 51.
Qe7+ Nc7+ 52. Kb2 Qa5 $19 {Stockfish9}) 46... Kxe8 47. Ka4 Nc7 48. Ka5 Na8 {
other moves only draw} 49. b4 (49. a7 Kd7 50. Ka6 Kc8) 49... cxb4 50. Kxb4 c5+
51. Kb5 Kd7 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Di-Vetta, Andrew"]
[Black "Thomas, Roy"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "1665"]
[BlackElo "1706"]
[Annotator "Rudy"]
[PlyCount "144"]
[EventDate "2018.??.??"]

1. Nf3 e6 2. c4 Be7 3. Nc3 f5 4. d4 Nf6 5. a3 {seems little point in stopping
the B move a second time, though does no harm} (5. g3 {gets on with development
}) 5... O-O 6. Qc2 d5 7. cxd5 (7. e3) 7... exd5 8. Ne5 (8. Bg5 c6 9. e3 Ne4 10.
Bxe7 Qxe7 11. Ne5 Nd7 12. Nxd7 Bxd7 13. g3 f4 14. Nxe4 fxe3 15. fxe3 Bf5 16.
Bg2 Rae8 17. O-O {Nam-Degterev, Novosibirsk 2001,1/2-1/2}) 8... Ne4 (8... c5
$15 {Komodo11}) 9. f3 Nxc3 10. bxc3 Nd7 (10... c5 11. e3 Qc7 $15 {Komodo11})
11. Nxd7 (11. f4 $5 {Komodo11}) 11... Qxd7 12. f4 (12. e3 {Fritz13 & Komodo11
is more flexible ( Wh has no N to go to e5 anymore)}) 12... b6 13. e3 Bb7 14.
Bd3 c5 15. Qf2 Rac8 16. Bd2 Bc6 17. h4 {Wh seems determined to make his QB as
bad as possible} Ba4 (17... Bb5 $17) 18. O-O c4 19. Be2 Bb3 20. Bf3 Bc2 21.
Rfc1 Be4 {allows Wh to fill in the hole at e4} (21... Bd3) 22. Bxe4 fxe4 23.
Be1 Rc6 24. Kf1 Rh6 25. g3 Qg4 (25... g5 $19 {Fritz13 & Komodo11}) 26. Qe2 Qd7
27. Bf2 g5 28. Ke1 (28. hxg5 Rh1+ 29. Bg1 Bxg5 $15 (29... h6 30. gxh6 Rf6 31.
h7+ Kxh7 32. Qg2 Rfh6 33. Ke2 Qg4+ 34. Kd2 R1h3 35. Qe2 (35. Bf2 Rh2 $19 36.
Qg1 Qf3 37. Rf1 Rg2 $19) 35... Rxg3 $17 {Komodo11})) 28... gxh4 29. gxh4 Bxh4 {
Fritz13} (29... Kf7 30. Kd2 Rg8 $17 {Komodo11}) 30. Bxh4 (30. Kd2) 30... Rxh4
31. Kd2 Rf7 32. Rg1+ Rg7 33. Rg2 Rxg2 (33... Qb5 $1 $19 {Fritz13 & Komodo11})
34. Qxg2+ Rg4 35. Qh3 Qg7 (35... Rg7 $15 {Komodo11}) 36. Re1 (36. Rh1 $11 {
Komodo11}) 36... Rg2+ (36... Qg6 37. Rh1 b5 $15 {Komodo11}) 37. Re2 Rxe2+ 38.
Kxe2 $11 Qf7 39. Qg4+ Qg6 40. Qc8+ Kg7 41. Qd7+ Kh6 42. Kf2 Qh5 43. Qe6+ Kg7
44. Qe7+ Kg8 45. Qe6+ Qf7 46. Qg4+ Kh8 47. Qg5 (47. Qc8+ {repeating?}) 47...
Qd7 48. Qe5+ Kg8 49. Ke1 Kf8 50. Qh8+ Ke7 51. Qxh7+ Kd8 52. Qh8+ (52. Qxd7+
Kxd7 {will be a draw, as athough Wh has a protected passed pawn, he needs to
bring his K up to try & force it through. But then Bl can push through on the
Q side with his majority there.}) 52... Kc7 53. Qe5+ Kc6 54. f5 Qd6 55. Qe8+ (
55. f6 Qxe5 56. dxe5 {Fritz13 considers this drawn; Komodo11 a Wh win} Kd7 57.
f7 Ke7 58. e6 Kf8 59. a4 Ke7 60. Kf2 a6 61. Kg3 b5 (61... a5 62. Kf4 b5 63.
axb5 a4 64. b6 a3 65. b7 a2 66. b8=Q (66. f8=Q+ Kxf8 67. b8=Q+ {standard trick}
) 66... a1=Q 67. f8=Q+ Kxe6 68. Qbe8#) (61... Kf8 62. Kf4 b5 63. axb5 axb5 64.
Ke5 Ke7 (64... b4 65. Kf6 bxc3 66. e7#) 65. Kxd5 b4 66. Kxc4 $18) 62. axb5 axb5
63. Kf2 Kf8 64. Ke2 Ke7 65. Kd2 {and Wh gets to b4 winning the b & d5 pawns -
all variations Komodo11 nudged}) 55... Kc7 $11 56. Qe5 Kc6 (56... Qxe5 57. dxe5
Kd7 58. e6+ Ke7 $11 {the Wh pawns are not advanced enough for Wh to create
mating threats, so has to stay near the Q side}) 57. a4 (57. f6 $18) 57... Qa3
$11 58. Qe8+ Kc7 59. Qf7+ Kc6 60. Qe6+ Kc7 61. f6 Qxc3+ $11 62. Kf1 Qd3+ 63.
Kg2 Qe2+ 64. Kh3 Qxe3+ 65. Kg4 Qf3+ 66. Kg5 Qg3+ 67. Kh6 Qh4+ 68. Kg7 Qg5+ 69.
Kf8 c3 70. Ke8 c2 71. Qd7+ Kb8 72. Qd6+ Kb7 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Buttell, David"]
[Black "Jansen Van Rensburg, Leon"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "1782"]
[BlackElo "1528"]
[Annotator "Rudy"]
[PlyCount "69"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3
Bg7 9. e4 (9. Bg2) 9... Bxf1 10. Kxf1 O-O 11. Kg2 Nbd7 12. h3 (12. Qc2 Qa5 13.
h3 Rfb8 14. a3 Nb6 15. Rb1 Nfd7 16. b4 $5 {Buttell-Waterfield, Dyfed Open 2013,
1/2-1/2}) 12... Qc7 13. Qc2 (13. Re1 {main}) 13... Rfb8 14. Bd2 (14. Rb1 Ne8
15. a3 Rb7 16. Re1 Rab8 17. Na2 {Buttell- Cresswell, 4NCL 2013,1-0}) 14... Qb7
15. Rab1 Nb6 (15... Ra6 16. Rhd1 Nb6 17. b3 Nfd7 18. Bg5 Ne5 19. Nxe5 Bxe5 20.
a4 Nc8 21. Nb5 Na7 22. Na3 Bg7 23. Nc4 h6 24. Be3 Kh7 {Papp-Kelemen Feher,
Eger Agri op 2003,1/2-1/2}) 16. b4 (16. b3 $16 {Komodo11}) 16... c4 (16... cxb4
17. Rxb4 Nfd7 18. Rhb1 Qa6 $14 {Komodo11}) 17. Rhe1 (17. a4 $18) 17... Nfd7 18.
a4 Bxc3 19. Qxc3 (19. Bxc3 Rxa4 20. Qc1 Nf6 21. Bxf6 exf6 22. Qf4 $16 {Komodo11
}) 19... Rxa4 20. Nd4 (20. Qe3 $14) 20... Ne5 $11 21. b5 Nxd5 {too optimistic}
(21... Nd3 22. Re2 Rba8 23. Nc6 Ra3 24. Qd4 Qc7 25. Be3 Nc5 26. e5 Rd3 27. exd6
exd6 28. Qh4 Nxd5 29. Bxc5 dxc5 30. Qxc4 $16 {Komodo11}) 22. exd5 Qxd5+ 23. Kg1
$2 {however} (23. f3 $16) 23... Rba8 (23... Qxd4 24. Qxd4 Nf3+ 25. Kg2 Nxd4 26.
Rxe7 Nxb5 $17 {Komodo11} (26... Rxb5 27. Rxb5 Nxb5 28. Rb7 Na3 29. Rb8+ Kg7 30.
Bc3+ f6 31. Rb7+ Kf8 32. Bxf6 $11 {Komodo11})) 24. Rxe5 (24. b6 Qxd4 25. Qxd4
Nf3+ 26. Kg2 Nxd4 27. Rxe7 Rb8 28. Ra7 $18 {Komodo11}) 24... dxe5 25. Nc6 Qd3 {
wrong timing} (25... Kg7 26. Nxe5 (26. b6 Qxc6 27. b7 f6 28. bxa8=Q Rxa8 $14)
26... f6 27. Ng4 Qd3 28. Qxd3 cxd3 29. Kg2 Ra1 $11 {Komodo11}) 26. Qxd3 cxd3
27. b6 $18 Ra1 28. Rxa1 Rxa1+ 29. Kg2 Rb1 (29... Ra6 30. b7 Rb6 31. b8=Q+ Rxb8
32. Nxb8 $18) 30. Nb4 Rd1 31. b7 Rxd2 32. b8=Q+ Kg7 33. Qxe5+ Kg8 34. Qxe7 Re2
35. Qd8+ 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Andrews, Norman G"]
[Black "Jukes, Sam"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1642"]
[BlackElo "1762"]
[Annotator "Rudy"]
[PlyCount "52"]
[EventDate "2018.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O d6 {a slightly passive line} (
5... Nxe4) (5... Bc5 {main theory lines}) 6. Ng5 (6. Nxd4 Be7 7. Nc3 {gives Wh
a slight spatial advantage} O-O 8. h3 Nxd4 9. Qxd4 Nd7 10. Nd5 Bf6 11. Nxf6+
Qxf6 12. Be3 Re8 {Gawain Jones-Matthew Turner, BCF rapid ch, Leeds 2011,1/2-1/2
}) 6... Ne5 7. Qxd4 (7. Bb3 h6 8. f4 {is the sharpest line, with chances for
both sides}) 7... h6 8. f4 {now inferior} (8. Nf3 Nxf3+ 9. gxf3 Be7 (9... Bh3
10. Re1 Nd7 11. f4 {is more dangerous for Bl}) 10. Nc3 {with a Wh space
advantage} O-O 11. Ne2 Be6 12. Bxe6 fxe6 13. Nf4 e5 14. Qc4+ Rf7 15. Ng6 c6 16.
Nh8 {Krueger-Schugal, NRW ch U15, Hiddenhausen 1997,1-0}) 8... Nxc4 $19 9. Nxf7
{not the best, though} (9. Qxc4 hxg5 10. fxg5 Be6 11. Qb5+ Nd7 12. Qxb7 Qb8 {
is still a Bl win} 13. Qc6 Qb6+ {Ivanov-Karia, 4NCL 2014,0-1}) 9... Kxf7 10.
Qxc4+ Be6 (10... d5 11. exd5 Qxd5 12. Qxc7+ Bd7 13. Nc3 Qc5+ $19 {Komodo11,
reminiscent of a Cochrane gambit against a Petroff ( as is the text move of
Be6)}) 11. Qe2 Bg4 12. Qc4+ d5 13. exd5 Qxd5 14. Qxc7+ Bd7 15. Qe5 Bc5+ 16. Kh1
Rhe8 $19 {who has the extra development for the piece that Wh gave up} 17.
Qxd5+ Nxd5 18. c4 Nb4 19. a3 (19. Nc3 Nc2 20. Rb1 Bf5 21. b3 Rad8) 19... Nc2 (
19... Nd3 20. b4 Bd4 21. Ra2 Bg4 {Komodo11}) 20. Ra2 Bd4 (20... Bf5) 21. b3 Re2
22. Nd2 Bc6 (22... Ne3) 23. Nf3 Bxf3 24. gxf3 Rc8 (24... Rae8) 25. Rd1 Rc5 26.
a4 Rh5 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Owen, Neil"]
[Black "Fowler, Caspian"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1760"]
[BlackElo "1370"]
[Annotator "Rudy"]
[PlyCount "29"]
[EventDate "2018.??.??"]

1. g4 {The Grob} e5 2. Bg2 d5 3. c4 c6 4. cxd5 cxd5 5. Qb3 {there are lines in
this where Bl has to be careful not to lose the QR} Ne7 6. Nc3 e4 7. d3 exd3 8.
Nxd5 {Komodo10.4} (8. Bf4 {main}) (8. Bg5 Nbc6 9. Bxd5 $18 Be6 10. Bxe6 fxe6
11. O-O-O {Axelsson-Lesny, Rhein Main op , Bad Homberg 2015,1-0}) 8... dxe2 (
8... Nbc6) (8... Nxd5 9. Bxd5 Bb4+ 10. Qxb4 (10. Kf1 O-O 11. Be3 $11 {Cloud
Engines}) 10... Qxd5 11. e4 Nc6 12. Qa4 Qd6 13. h3 O-O $19 {Grob-Bucher, corr
1966,0-1}) 9. Bg5 $14 {Stockfish9} Nbc6 (9... h6) 10. Nxe2 (10. Qg3 $18 {
Stockfish9}) 10... Qd7 (10... Be6) 11. O-O-O $18 (11. Qe3 $18 {Stockfish9})
11... Nxd5 12. Bxd5 (12. Rxd5 $18 Qc7 13. Bf4 Qb6 14. Rb5 Qa6 15. Bd5 Nd8 16.
Re1 Be7 17. Nd4 $18 {all of Wh's pieces are fully mobilized- Stockfish9}) 12...
Qc7 (12... Bd6 13. Qe3+ Ne7 14. Kb1 O-O 15. Be4 $18 {Stockfish9, but lasts
longer}) 13. Nc3 (13. Rhe1) (13. Bf4) 13... Nd4 $2 14. Rxd4 (14. Qa4+ Bd7 15.
Rhe1+ Ne6 16. Bxe6 $18 {Stockfish9}) 14... Bc5 15. Bxf7+ $1 (15. Nb5) (15. Re1+
) 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Probert, Malcolm"]
[Black "Van Kemenade, Julie"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1601"]
[BlackElo "1692"]
[Annotator "Rudy"]
[PlyCount "39"]
[EventDate "2018.??.??"]

1. Nf3 d6 2. d4 Nd7 3. g3 Ngf6 4. Bg2 e5 5. dxe5 dxe5 6. O-O c6 (6... Bc5) (
6... Be7 {main}) 7. c4 Qc7 (7... Be7) 8. b3 (8. Nc3) 8... Be7 (8... Bc5) 9. Bb2
O-O 10. e3 (10. Qc2) (10. Nc3) 10... Ne8 (10... Re8 11. Qc2 Bf8 12. Nbd2 a5 13.
Ng5 (13. a3 Ra7 14. Bc3 b5 15. b4 c5 {Huisl-Drescher, Hessenliga 1998,0-1})
13... h6 14. Nge4 Nxe4 15. Bxe4 Nc5 16. Bh7+ Kh8 17. Bf5 Bxf5 18. Qxf5 Rad8 {
Varejcko-Espig, Cattloica op 1993,1/2-1/2}) (10... a5) 11. Nbd2 f5 12. Qc2 (12.
e4 f4) 12... g6 (12... e4 13. Nd4 Ne5 14. f3 exf3 15. N4xf3 Nxf3+ 16. Nxf3 Bc5
17. Bd4 Qe7 $11 {Komodo11}) 13. Rad1 Bf6 {losing control over c5} (13... e4 14.
Nd4 Ne5 15. f3 $14) (13... c5 14. e4 f4 15. Nb1 $18 {the N is coming into d5})
14. c5 (14. e4 Nc5 15. Rfe1 a5 16. Bh3 f4 17. Bxc8 Rxc8 18. gxf4 exf4 19. e5
Be7 20. e6 Rd8 21. Ne5 Nxe6 22. Nxg6 hxg6 23. Rxe6 Bf6 24. Bxf6 Rxf6 25. Rde1
Qd7 $11 {Komodo11}) 14... Rf7 (14... e4 15. Nd4 Ng7 16. f3 exf3 17. N2xf3 Re8
18. b4 Kh8 $14 {Komodo11}) 15. b4 (15. e4 $18 Ng7 16. Nc4 fxe4 17. Qxe4 Nxc5
18. Qe3 Nd7 19. Qd2 $16 {Komodo11}) 15... Nf8 (15... a5 16. a3 e4 $11) (15...
e4) 16. Nc4 (16. e4 $16) 16... Re7 (16... e4) 17. Nd6 $18 g5 $2 {trying to get
some play} 18. Nxf5 Bxf5 19. Qxf5 Ng6 20. Nxg5 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Howell, Alun"]
[Black "Hurn, Robert AJ"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "1691"]
[BlackElo "1592"]
[Annotator "Rudy"]
[PlyCount "46"]
[EventDate "2018.??.??"]

1. Nf3 Nf6 2. d4 d5 3. c4 dxc4 4. e3 a6 (4... e6 {main}) 5. a4 (5. Bxc4 {main})
5... e6 6. Bxc4 Nbd7 (6... c5) 7. O-O b6 8. Nc3 Bb4 9. Qe2 (9. Qb3 {Cloud
Engines, looks more forcing} Bxc3 (9... Qe7 10. e4 Bxc3 11. bxc3 Nxe4 12. Re1
Ndf6 13. Ba3 Nd6 14. d5 O-O 15. dxe6 Kh8 16. exf7 Qd8 17. Bxd6 cxd6 18. Ng5 d5
19. Rad1 Bg4 20. Be2 h6 21. Nf3 (21. Bxg4 Nxg4 22. Nf3 $18) 21... Bxf3 22. Bxf3
Qc7 23. Re6 $16 {Kruppa-Itkis, Nabokov mem , Kiev 2009,1/2-1/2}) 10. bxc3 Bb7
11. Ng5 O-O 12. Nxf7 Rxf7 13. Bxe6 Qe8 14. f3 Nf8 15. Bxf7+ Qxf7 16. Qxf7+ Kxf7
17. e4 $14 {Schaefer-Szymanski,GER M04, ICCF 2015,1-0}) 9... O-O $6 (9... Bb7 {
main, prevents e4} 10. Rd1 (10. Bd3)) 10. Bd2 (10. e4 $16 {would take advantage
}) 10... Bb7 11. Rac1 $146 (11. Rfd1 {transposes to main}) (11. Ne4 Bxd2 12.
Nexd2 c5 13. Rfc1 cxd4 14. Nxd4 Qe7 15. e4 Ne5 16. f3 Rfd8 17. N4b3 Qb4 {
Kempinski-Nisipeanu, Calvia ol 2004, draw agreed}) 11... Qe7 12. Bd3 Rfc8 (
12... Rfe8) 13. Rfd1 (13. e4 e5 $11) 13... c5 $11 14. Nb1 {Wh is playing a bit
passively} (14. Ne5 $11) (14. e4 $11) 14... cxd4 15. Nxd4 Bxd2 (15... Rxc1 16.
Rxc1 Bd6 $15 {Stockfish9}) 16. Qxd2 Nc5 17. Nc3 (17. Bc2 {preserves Wh
attacking B, though} Nce4 18. Qe1 Nd6 19. Nc3 Nc4 20. b3 Nd6 $11) 17... Nxd3 (
17... Rd8 {Stockfish9} 18. Bc2 {just holds for Wh} (18. Bb1 Nb3 $19) 18... e5
19. Nf5 Qc7 20. Qe2 g6 21. Nh6+ Kg7 22. Ng4 Rxd1+ 23. Rxd1 Nxg4 24. Qxg4 Rd8
25. Rxd8 Qxd8 26. Qd1 (26. h4 h5 27. Qg5 Qd6 $15) 26... Qg5 27. g3 a5 28. Qd6
Qf6 29. Qxf6+ Kxf6 $11) 18. Qxd3 Ng4 (18... Rd8 19. Qe2 Qb4 20. Rd3 $11) 19.
Qe2 Ne5 (19... Qh4 20. h3 Ne5 21. e4 (21. f4 Nc4 22. b3 Na5 23. Qg4 $11) 21...
Qg5 22. Qd2 $11) 20. f3 {overcautious} (20. e4) 20... Rd8 21. Rc2 Rac8 22. Rdc1
h6 23. b3 Qd6 {(draw?)} (23... Ng6 $15 24. Nb1 Rxc2 25. Rxc2 Nf4 26. Qe1 Nd3
27. Qf1 Nc5 28. Rd2 e5 29. Nf5 Qf6 30. Rxd8+ Qxd8 31. Qe2 Nxb3 $17 {Stockfish9}
) (23... Qd6 24. Nd1 Ng6 $15 {Stockfish9}) 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Orton, Paul"]
[Black "Morgans, Justin"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1608"]
[BlackElo "1668"]
[Annotator "Rudy"]
[PlyCount "109"]
[EventDate "2018.??.??"]

1. d4 f5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 (4... Bb4) 5. Qc2 (5. Bf4) 5... d5 6. c5
{a little early to commit to this advance} (6. Bf4) (6. Bg5) (6. e3 {main
continuations}) 6... Be7 (6... b6 {challenges at once} 7. b4 a5 8. Na4 bxc5 (
8... Nfd7 $11 {Cloud Engines}) 9. bxc5 Nbd7 10. h3 Ne4 11. Bf4 Be7 12. e3 O-O
13. Ne5 (13. Bd3 $16) 13... Nxe5 14. Bxe5 Bf6 $11 {Odeh-Osuna Vega, Gibraltar
Masters 2018,0-1}) 7. Bf4 O-O 8. e3 Ne4 (8... b6 {Cloud Engines, not yet played
}) 9. Be2 (9. h4 {1 win, 2 losses for Wh}) 9... Nd7 (9... b6 {Fritz16 &
Stockfish9}) (9... g5 {Stockfish8}) 10. Ne5 (10. O-O {2 wins each}) 10... Bf6
11. Nxd7 Bxd7 12. Nxe4 (12. O-O {Cloud Engines} g5 13. Be5 Bxe5 14. dxe5 Qc7
15. Nxe4 fxe4 16. Qc3 Be8 17. b4 {Kazimova-Burtasova, Moscow op-B, 2013,1-0}) (
12. f3 Ng5 13. Bd3 Nf7 14. O-O g6 15. Rad1 e5 {Nakamura-Caruana, Paris GCT
blitz 2016,1/2-1/2}) 12... fxe4 13. Bd6 (13. O-O $14) 13... Be7 14. Be5 {
Stockfish9} (14. Bg3 {Fritz16}) 14... Qa5+ (14... b6 {both Engines}) 15. Qc3
Qxc3+ 16. bxc3 b5 (16... b6 $11 {both Engines}) 17. O-O $16 {Fritz16} (17. a4
$16 {Stockfish9}) 17... Bd8 18. Rfb1 Bf6 19. Bd6 Rfe8 20. a4 $16 a6 21. Ra2 e5
{best try} 22. axb5 (22. Rba1 $16 {Stockfish9, - doubling up behind means that
Bl has to cede control over the a file}) 22... cxb5 $2 {the wrong way, but Bl
is struggling because of the weakness on b5 & resultant setup derived from it.}
(22... axb5 23. Rba1 (23. Rxa8 Rxa8 24. dxe5 Bd8 $11 {the e5 pawn will not
advance far, & Bl now has the a file}) 23... Rxa2 24. Rxa2 exd4 25. cxd4 Rd8
26. Ra7 $16) 23. Rba1 $18 exd4 (23... b4 {trying to cause confusion is the
best bet when going down positionally} 24. dxe5 (24. cxb4 {Fritz16, doesn't
feel quite right} exd4 25. exd4 Bxd4 26. Rd1 Bc3 27. Rxa6 Bxb4 28. Rxd5 {which
Stockfish9 only rates as definite plus}) 24... b3 25. Rb2 Bxe5 26. Bxe5 Rxe5
27. Rxb3 a5 28. Bd1 a4 29. Rb6 a3 30. c6 Be8 31. Bg4 Re7 32. Rb7 Ra7 33. Be6+
Kf8 34. Bxd5 $18) 24. cxd4 Bc6 25. Rxa6 b4 26. Rxa8 (26. Bd1 {also}) 26... Rxa8
27. Rxa8+ Bxa8 28. Bd1 $18 Bc6 29. Bb3 (29. Bc7 {looks more exact, to force a
judgement on the b4 pawn before Bl can get his B to c4}) 29... Bd8 (29... Kf7 {
Stockfish9, anticipates Wh's next, which threatens to blow up the Bl centre})
30. f3 Bg5 (30... exf3 31. e4 Bb5 32. exd5 Bg5 33. Kf2 fxg2 34. c6 g1=Q+ 35.
Kxg1 Be3+ 36. Kg2 Bxd4 37. Bxb4 Kf7 38. d6+ Kf6 39. Bd5 $18 {though a bit of
care is needed}) 31. Kf2 {stockfish9} (31. fxe4 Bxe3+ 32. Kh1 {Fritz16
preference}) 31... Kf7 32. f4 (32. fxe4 Ke6 33. Ke2 Bb5+ 34. Kd2 Kd7 35. Bxd5 {
looks much simpler- the central pawn mass must win}) 32... Bd8 33. Ke1 Ke6 34.
Kd2 g6 35. g4 Kf6 36. Be5+ (36. g5+ {seals in the bl squared B} Kf5 37. Bd1 Ba5
38. Kc1 b3 39. h3 Ke6 40. Bxb3 Bb4 41. Bd1 Be1 42. Bg4+ Kf7 43. Kd1 Bh4 44. Kd2
{despite Stockfish9's claim that Wh is winning, it may be difficult to do so.
Lets see, as Stockfish9 is going round in circles.} Bf2 45. Be5 Bb5 46. Kc3
Be1+ {ok, no way in for the Wh K} 47. Kc2 Ba4+ 48. Kc1 Bc6 49. Bc8 Bf2 50. Kd2
Ke7 {and the B K repeats moves}) 36... Ke6 37. Kc2 Bh4 38. Bc7 Bf2 (38... Be1 {
holds out longer, the B pawn survives. Much simpler to have just killed it off
a long time ago before committing the K side pawns.which has left tem a bit
vulnerable when the Wh K wanders over to deal with the b pawn} 39. Kd1 Bc3 40.
Bd8 Bb5 41. Bh4 Bb2 42. Bg3 Ba3 43. f5+ gxf5 44. gxf5+ Kxf5 45. Bxd5 Ba4+ 46.
Kd2 b3 47. Kc3 b2 48. Ba2 Kg4 49. Bb1 Kf3 50. Bf4) 39. Kd2 Bg1 40. h3 Bb5 41.
Ba5 (41. f5+ gxf5 42. gxf5+ Kxf5 43. Bxd5 {Stockfish9}) 41... Bc4 42. Ba4 (42.
Bxc4 dxc4 43. Bxb4 {Stockfish9 leads to a quick decision as the Bl B is out of
play and Wh has several running pawns} Kd5 44. f5 gxf5 45. gxf5 Bf2 46. f6 c3+
(46... Bh4 47. c6 Kxc6 48. f7 {and the B doesn't make it- Stockfish9}) 47. Bxc3
Bh4 48. f7 Be7 49. Kc2 Bf8 50. Kb3 {and thK helps a pawn through}) 42... b3 43.
c6 $2 (43. Bc3 {that B pawn must be blocked} Bf2 44. g5 Ke7 45. Bb2 Ke6 46. Bc1
Ke7 47. Kc3 Be1+ 48. Kb2 Ke6 49. Bxb3 {the end of the b pawn}) 43... Bxe3+ $2 {
not the right either, it appears} (43... b2 $1 {Stockfish9 ensures the draw}
44. c7 (44. f5+ gxf5 45. gxf5+ Kf6 (45... Kxf5 46. c7 Ba6 47. Bd7+ $18) 46.
Bd8+ Kxf5 47. c7 Ba6 48. Bd7+ Kg6 49. Kc2 Bxe3 50. Kxb2 Bxd4+ 51. Kb3 Bb6 52.
c8=Q Bxc8 53. Be8+ Kf5 54. Bxb6 Ke5 {looks difficult to play, Stockfish9
claims draw}) (44. Bc2 Bd3 45. f5+ gxf5 46. gxf5+ Kxf5 47. Bxd3 exd3 48. c7
b1=Q (48... Ke4 49. c8=Q Bxe3+ 50. Kc3 b1=Q 51. Qe6+ $11 Kf3 (51... Kf4 52.
Qg4#) 52. Qxd5+ Ke2 53. Qg2+ Bf2 54. Qe4+ Be3 55. Qg2+) 49. c8=Q+ Kg6 $11)
44... Ba6 45. Bc2 Kd7 46. Bc3 Bf1 47. h4 Bh3 48. g5 Kxc7 49. Bxb2 Bf2 $11 {
Stockfish9}) 44. Kxe3 b2 45. c7 (45. Bc2 {will also win, eventually}) 45...
b1=Q (45... Ba6 46. Bc2 Kd7 47. Bc3 Kxc7 48. f5 $18 {Stockfish9}) 46. c8=Q+ {
Bl will never get a chance to use the Q} Kf6 47. Qh8+ (47. Qf8+ Ke6 48. f5+
gxf5 49. gxf5# {Stockfish9}) 47... Ke6 48. Qe8+ Kf6 49. Bd8+ Kg7 50. Qe5+ (50.
Bf6+ Kxf6 51. Qf8+ Ke6 52. f5+ gxf5 53. gxf5#) 50... Kg8 51. Qe8+ Kg7 52. Qe7+
Kg8 53. Qe6+ Kf8 54. Be7+ Kg7 55. Qf6+ 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "4"]
[White "Miller, John S"]
[Black "Jones, Dewi"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1648"]
[BlackElo "1512"]
[Annotator "Rudy"]
[PlyCount "80"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. Bf4 d6 3. Nf3 g6 4. e3 Bg7 5. Nbd2 O-O 6. c3 (6. h3 {main,
preserving the B from Nh5}) 6... Bf5 (6... Nbd7 {aiming to get e5 in, main}) 7.
Be2 Qc8 $146 {Houdini5 ; unusual idea in this setup, maybe anticipating a
later h3 & 0-0 - or just to support c5} (7... Nbd7 {also supports c5, if needed
}) 8. Rc1 c5 9. h3 (9. b4 {Komodo11}) 9... Nbd7 10. Nh4 Be6 11. Bh2 (11. e4 d5
12. e5 Ne8 13. O-O $11 {Komodo11}) 11... Nb6 12. O-O (12. c4) 12... Bxa2 {risky
} 13. b3 $16 c4 14. b4 $6 {allows the B breathing space & also gives Bl a
tareget} (14. Nxc4 Nxc4 15. Bxc4 b5 16. Be2 Qe6 17. c4 bxc4 18. Bxc4 d5 19. Bb5
a6 20. Ba4 Rfc8 21. Nf3 $18 {Komodo11, the B remains trapped}) 14... d5 (14...
a5 $1 15. bxa5 (15. Qc2 axb4 $19) 15... Rxa5 16. Ra1 Qc6 $17 {Komodo11}) 15.
Ra1 Ne4 (15... Bb3 16. Nxb3 cxb3 17. Qxb3 Ne4 $11 {Komodo11}) 16. Nxe4 Bb3 17.
Qb1 dxe4 18. Qxe4 $14 e6 19. Nf3 Nd5 20. Rfc1 $16 {the Wh pieces copoperate
much better, especially with the b3 B offside} Qc6 21. Nd2 f5 {creates even
more weaknesses in the Bl pawn structure} (21... Ba4 22. Bxc4 b5 23. Be2 $16 {
Komodo11}) 22. Qb1 $18 Bh6 {at least trying to create some chaos, a good idea
when going downhill positionally} 23. Nxb3 cxb3 24. Qxb3 Nxe3 {worth a try} (
24... f4 25. c4 Nb6 26. Bf3 Qd7 27. Bg4 {leaves a Bl position in trouble}) 25.
Bf3 {safe enough, as is} (25. fxe3 Bxe3+ 26. Kh1 Bxc1 27. Rxc1 Rfe8 28. Bf3 $18
{as Wh's 2 Bs dominate the board}) 25... Qc4 26. Qxc4 (26. Rcb1 $1 {Komodo11}
Qxb3 27. Rxb3 Nd5 28. c4 Nf4 29. Bxb7 Ne2+ 30. Kf1 Nxd4 31. Rbb1 Rad8 32. Rxa7
$18 {the Wh Rs & Bs take aim at the wide open K side& Wh has a very dangerous
extra b pawn}) 26... Nxc4 27. Rc2 {Rs should not be used defensively behind
pawns ( unless these are far advanced ones threatening to Q in the near future)
} (27. Re1 {Rs need open lines & pawns to asttacxk} Rf7 28. Rxe6 $18) 27... Rf7
28. Be2 (28. b5 $1 {Komodo11- Wh has a clear advantage on the Q side with his
Bs dominating, so needs to force things there;} Nd2 29. Be2 Rd7 30. b6 a6 31.
Bb5 Re7 32. Bc7 Rc8 33. Bd3 {and Stockfish9 gives up an exchange} Kf7 34. Rb2
Rd7 35. Re1 Bg5 36. h4 Bh6 37. Re2 Ne4 38. Bxe4 fxe4 39. Rxe4 {is a slow &
painful death}) 28... b5 29. Bf3 Re8 (29... Rc8 30. Ra6 Nb6 31. Bd6 Bg7 32. Bc5
Rfc7 33. Be2 $18 {Komodo11}) 30. Bc6 $18 Rc8 31. Bxb5 f4 32. Ra6 (32. Ba4 $1
Re7 33. Bb3 g5 34. Ra6 Kf7 35. Kf1 Bf8 36. h4 h6 37. hxg5 hxg5 38. g3 f3 39. g4
Bg7 40. Bg3 Rh8 41. Kg1 Rc8 42. Rca2 Nb6 43. R2a3 Nd5 44. Bxd5 exd5 45. Rxa7
$18 {Komodo11}) 32... Rfc7 33. Kf1 (33. Re2 Nb6 34. Rxe6 Rxc3 35. g4 $16 {
Komodo11}) 33... e5 34. dxe5 (34. d5 $18 {Komodo11- creates extra space for
the Bs & a passed pawn that must be watched} Bf8 35. Rca2 Nb6 36. Bc6 Rd8 37.
R6a5 Re7 38. f3 $18) 34... Nxe5 35. Ra3 (35. Re6 Nc4 36. Ba6 Rd8 37. Rc1 Nd2+
38. Kg1 Nb3 39. Rce1 Rxc3 40. Re7 Rd4 41. Rxa7 Bf8 42. Rb7 $14) 35... Nc4 36.
Bxc4+ (36. Raa2 Rf7 37. Ba4 Kf8 38. Ra1 Bg7 39. Bb3 g5 40. Rd1 {keeps Bl under
more pressure}) 36... Rxc4 37. Ke2 (37. Rxa7 Rxc3 38. Rxc3 Rxc3 39. b5 Rb3 40.
Ra4 g5 41. h4 Rxb5 42. hxg5 f3 43. gxf3 Bxg5 $11) 37... Bf8 $11 (37... Rxb4 38.
cxb4 Rxc2+ 39. Kf3 Rb2 40. Rxa7 Rxb4 41. Ra2 $11 {Komodo11}) 38. Rxa7 Bxb4 39.
Rd2 Rxc3 40. Rdd7 Rc2+ {(draw?)} (40... Rc2+ 41. Kf3 (41. Kd1 $2 {even loses
for Wh} Rxf2 42. Rg7+ Kf8 43. Rgf7+ Ke8 44. Bxf4 (44. Rxf4 Rd2+ 45. Ke1 Rc1#)
44... Rd8+ 45. Kc1 Ba3+ 46. Rxa3 (46. Kb1 Rd1+ 47. Bc1 Rxc1#) 46... Kxf7) 41...
R8c3+ 42. Ke4 (42. Kg4 Rxf2 43. Rg7+ Kf8 44. Rgf7+ Kg8 (44... Ke8 45. Rxh7
Rxg2+ 46. Kxf4 Bd6+ 47. Ke4 Re2+ 48. Kd4 Bc5+ 49. Kxc3 Bxa7 50. Bd6 Re6 51.
Rxa7 Rxd6 $11) 45. Rg7+ $11) 42... Re2+ 43. Kd4 Rd2+ 44. Ke4 Re2+ {Komodo11})
1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Turner, Matthew J"]
[Black "Musson, Adam J"]
[Result "1-0"]
[ECO "D92"]
[WhiteElo "2536"]
[BlackElo "2020"]
[Annotator "Rudy"]
[PlyCount "29"]
[EventDate "2018.??.??"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d5 5. Bf4 O-O 6. Rc1 (6. e3 {main}) 6...
c5 (6... dxc4 {main}) 7. dxc5 Qa5 (7... Be6) (7... dxc4 {more frequent}) 8.
cxd5 Qxc5 (8... Rd8 9. Qd2 Qxc5 (9... Nxd5)) (8... Ne4 {alternatives}) 9. Qd2
$18 {a novelty at this point, given by Komodo11 as winning} (9. e4 {scores
well for Wh at 80%}) 9... Rd8 10. e4 Qa5 11. Be2 {also winning, Komodo11} (11.
e5 Nh5 12. Be3 (12. Nb5 $1 {Komodo11} Qxd2+ 13. Bxd2 Nd7 14. g4 $18 (14. d6 $18
)) 12... Bg4 13. Nb5 Qxd2+ 14. Nxd2 Bxe5 15. Nc4 Bf4 16. Bxf4 Nxf4 17. Ne3 $18
{Verat-Rubino, St Chely d;Aubrac op 2003,1-0}) (11. Ne5 $18 {Komodo11}) (11. a3
$18 {Komodo11}) 11... Na6 12. O-O Nh5 (12... Bg4 13. a3) 13. Bg5 Bxc3 $2 (13...
Re8) (13... f6 14. Be3 e5 15. a3 $18) 14. Rxc3 f6 $2 {chosen on positional
grounds, so as not to lock a B on g7; has a major tactical flaw} (14... Nc5 15.
Qc2 Nd7 16. Bxe7 Re8 17. b4 Qb6 18. d6 {Komodo11 is awful as well}) 15. Rxc8 {
beware always of loose unprotected pieces- hanging pieces as Silman calls them.
} 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Williams, A. Howard"]
[Black "Rayner, Francis"]
[Result "1/2-1/2"]
[ECO "A62"]
[WhiteElo "2274"]
[BlackElo "2043"]
[Annotator "Rudy"]
[PlyCount "93"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3
O-O 9. O-O Re8 10. Bf4 (10. Nd2 {main}) 10... Ne4 (10... a6) (10... Na6 {more
frequent}) 11. Nxe4 Rxe4 12. Nd2 {the position appears to be new to both
players} Rb4 (12... Rxf4 {main, looks a promising exchange sacrifice} 13. gxf4
Bxb2 14. Rb1 Bg7 15. e4 {51% Wh} (15. Nc4 {55 % Wh}) (15. Re1 {64% Wh})) 13. a3
(13. b3 {less frequent, 58% for Wh}) 13... Rxf4 {main} (13... Rxb2 14. Nc4 Rb6
15. Nxb6 axb6 16. Ra2 b5 17. Qd2 Na6 (17... Qb6 18. Qe3 Bd7 19. h4 b4 20. Rb1
Qd8 21. Bxd6 Bf5 22. Be7 Qd7 23. Rd1 Bd4 24. Rxd4 cxd4 25. Qe5 b3 26. Rb2 Bc2 {
Kluger-Czerniak, Amsterdam ol 1954,0-1}) 18. Rb1 Nc7 19. e4 Qf8 20. Re1 Ra4 21.
e5 dxe5 22. Bxe5 Bxe5 23. Rxe5 Rd4 24. Qc1 Qd6 25. Re1 Nxd5 26. Re8+ Kg7 27.
Rxc8 Ne7 28. Rxc5 Rd1+ 29. Bf1 Rxc1 30. Rxc1 Nf5 31. Bg2 b6 32. h4 {draw
agreed, Moiseenko-Miroschnichenko, Kharkov Rector Cup Champions 2009, 1/2-1/2})
14. gxf4 Bxb2 15. Ra2 (15. Rb1 {also, 4-1}) 15... Bg7 16. Qb3 {main, 69% for Wh
} (16. e4 {50%}) 16... b6 (16... Na6 {main, 4 wh wins , 2 draws}) (16... Nd7
$11 {Komodo11} 17. a4 Rb8 18. e4 Nf6 19. Nc4 Nh5 20. f5 $11 {Penalver-Ornstein,
SWE ch tm 2012,0-1}) 17. Nc4 $11 {Komodo11} (17. Re1 Ba6 18. a4 Nd7 19. Rc2 Nf6
20. Nc4 Qe7 21. e3 Ng4 22. Rb1 Rd8 23. Qd3 Qh4 24. h3 Nf6 25. Qd1 $11 {
Valderas Viejo-Llorente Alvarez, Wld ch email, ICCF 2016,1/2-1/2}) 17... Ba6
18. a4 (18. Ne5 dxe5 19. d6 Nc6 20. Bxc6 Rc8 21. Bd5 Qd7 22. f5 gxf5 23. Kh1 c4
24. Qf3 Qxd6 25. Rg1 Kh8 26. Rc2 b5 27. e4 fxe4 28. Qxf7 Qf6 29. Qxa7 Qf3+ 30.
Rg2 Qd1+ 31. Rg1 $11 {Komodo11}) 18... Qf6 19. e3 Nd7 20. Rd1 Rd8 21. Bf1 (21.
Na3 Qe7 22. Nb5 Nf6 23. a5 Bxb5 24. Qxb5 Ne4 25. Bxe4 Qxe4 26. axb6 axb6 27.
Qxb6 Bf6 $11 {Komodo11}) 21... Nb8 22. f3 g5 23. fxg5 Qxf3 24. Rf2 $16 Qg4+ 25.
Rg2 Bxc4 26. Bxc4 Qh4 27. Bb5 (27. Rf1) 27... Qe4 (27... Nd7 28. Qc4 Qxc4 29.
Bxc4 Ne5 30. Bb5 $14 {Komodo11}) 28. Rf1 $16 (28. Qc2 $16) 28... Nd7 29. Bxd7 (
29. Rf4 Qe7 30. Qd3 Ne5 31. Qf5 $16 {Komodo11}) 29... Rxd7 30. Rf4 Qe5 $11 31.
h4 Re7 32. Rgf2 a6 (32... Qc3 $11) 33. Kg2 (33. Qxb6 {trades off a weak pawn
for a healthy one} Qxe3 34. Kg2 Re8 35. Qb7 Re7 36. Qc8+ Bf8 37. Qh3 Qxh3+ 38.
Kxh3 Bg7 39. Kg4 $16 {Komodo11}) 33... b5 34. axb5 axb5 35. Qxb5 Qxd5+ $11 36.
R4f3 Rxe3 37. Qb8+ Bf8 38. Kg3 Qe5+ 39. Kg2 Qe4 40. Kg3 $11 Rxf3+ 41. Rxf3 d5
42. Qc8 (42. Qf4 Qe1+ 43. Kg2 Qe2+ 44. Rf2 Qe6 45. Qf5 c4 $11 {Komodo11}) 42...
Kg7 43. Qd7 Qe5+ 44. Kg2 Be7 45. Qf5 Qxf5 46. Rxf5 d4 47. Rd5 $11 (47. Rd5 f6
48. Kf3 (48. gxf6+ Bxf6 49. h5 c4 50. Kf3 c3 51. Ke4 Kh6 52. Rc5 $11) 48...
fxg5 49. hxg5 Kg6 50. Kg4 c4 51. Rxd4 c3 52. Rc4 Bxg5 $11 {Komodo11}) (47. Re5
Kf8 48. Kf3 f6 49. gxf6 Bxf6 50. Rxc5 Bxh4 51. Rh5 Bf6 52. Rxh7 {and Komodo11
considers Wh has a slight edge!}) 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Morcom, Huw"]
[Black "Richmond, Jane"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1913"]
[BlackElo "2097"]
[Annotator "Rudy"]
[PlyCount "136"]
[EventDate "2018.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Be2 g6 (3... Nf6 4. d3 {Morcom-C Fowler, Rd3, 1-0}) 4.
O-O (4. d4 exd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8. O-O d5 9. Nxc6 bxc6 10. e5
Ne8 11. Bd4 f6 {Jobava- Kamsky, RUS ch tm , Loo 2014,1-0}) 4... Bg7 5. Re1 (5.
c3 Nf6 6. d3 {main}) 5... d6 (5... Nge7 6. c3 d5 7. exd5 Qxd5 8. Na3 O-O 9. Bc4
Qd8 10. h3 {Cappello- Dell'Accio,ITA ch Savona 1967,1-0}) 6. c3 Nf6 7. Bf1 Bg4
8. h3 Bd7 9. d4 $14 Qc8 10. Bg5 (10. d5 Ne7 11. c4 {transposes to some kind of
King's Indian, from some thing like a Ruy}) 10... Nh5 11. dxe5 (11. Be3) 11...
dxe5 12. Nbd2 h6 13. Be3 O-O 14. Nc4 $14 Rd8 15. Qc2 (15. Qc1 g5 16. b4 $14 {
Komodo11}) 15... g5 16. Rad1 (16. b4 $16) (16. Bc5 a6 17. Ne3 Be6 18. a4 $16 {
Komodo11}) 16... Nf4 (16... g4 17. hxg4 Bxg4 18. Rxd8+ Qxd8 19. Nh2 Be6 20. b4
Ne7 21. Nf3 Ng6 22. Bd2 $14 {Komodo11}) 17. Bxf4 (17. Bc1 Be6 18. Ne3 a6 19.
Nf5 Rxd1 20. Rxd1 Qf8 21. a4 $16 {Komodo11}) 17... gxf4 {hoping to use the g
file at some point} (17... exf4 18. e5 Be6 19. Bd3 a6 20. a4 $14 {Komodo11})
18. Rd2 (18. b4 a6 19. a4 f6 20. Ncd2 Be6 21. Bc4 Bxc4 22. Nxc4 Qe6 23. Nb2 Ne7
24. a5 $14 {Komodo11}) 18... b5 $11 19. Na3 a6 20. Red1 Be6 21. Rxd8+ Nxd8 22.
c4 b4 23. Nb1 Nc6 (23... c5 24. Rd5 Nb7 25. Nbd2 $11 {Komodo11}) 24. Nbd2 a5
25. Nb3 (25. c5) 25... Qf8 $15 26. Nc1 a4 27. Nd3 Qe7 {the Wh pieces are a
little bit in each others way; the Bl ones more harmoniously placed} 28. b3
axb3 29. axb3 Ra3 30. Rb1 Bc8 (30... f6 31. Qd1 Bf8 32. Nfe1 Qg7 33. Nc2 Ra8
34. Ra1 Rd8 35. Kh2 Kh7 $11 {Komodo11, both sides jockeying for space}) 31. Qd2
Bb7 32. Nc1 (32. c5 $11 {enables the Wh B to breathe}) 32... Ra8 (32... Nd8 33.
Qe1 c5 34. Nd3 Nc6 $17 {Komodo11- at some point Bl will occupy d4}) 33. Bd3 Qc5
34. Bc2 Rd8 35. Nd3 Qa7 36. Qe1 $11 Qa2 37. Rb2 Qa3 38. Rb1 Ra8 39. Nc5 $11 Bc8
(39... Qa7 40. Nxb7 Qxb7 41. Rd1 $11) 40. Na4 {traps the Q} Rxa4 41. bxa4 $16
Bf8 (41... Bxh3 42. a5 Bg4 43. Ra1 Qb2 44. Qb1 Qxb1+ 45. Bxb1 Bf8 46. Ne1 Bc5
47. a6 Be6 48. Nd3 Ba7 49. Ra4 b3 50. Nc1 Nd4 51. Rb4 Bc8 52. Nxb3 Bxa6 53.
Nxd4 Bxd4 54. Rb8+ Kg7 55. Bd3 $16 {Komodo11}) 42. Bb3 Bc5 43. Qd1 $18 Be6 44.
Qc1 (44. Ne1 Nd4 45. Nd3 Ba7 (45... Bd6 46. Nxf4 $18) 46. Nxe5 $18 {Komodo11})
44... Qxc1+ 45. Rxc1 Na5 (45... Kf8 $11 {Komodo11}) 46. Nd2 {the Wh B is still
only a big pawn} Bd4 47. Ba2 Bc3 48. Nb3 Bxc4 49. Nxa5 Bxa2 $11 {but 2Bs are
the equal of R& N, which don't cooperate very well. Plus Bl has a dangerous b
pawn} 50. Kf1 (50. Rd1 Be6 51. Rd8+ {Rs belong behind passed pawns; however
the Bs show their flexibility} Kg7 52. Rb8 Bd7 53. Rb7 Bxa4 54. Rxc7 Bc2 55.
Nc4 Bxe4 56. Nd6 Bd3 57. Rxf7+ Kg6 58. Rb7 e4 $17 {Komodo11}) 50... c5 (50...
Be6 51. f3 Bd7 52. Ke2 Bxa4 {still looks good, even though the Wh K has come up
} 53. Kd3) 51. Ke2 Bd4 $2 {but this allows the a pawn to be a runner & tie Bl
down} (51... f5 52. exf5 Bd5 53. f3 c4 $11 {Komodo11}) 52. f3 (52. Nc4 $18 {
Komodo11} Bb3 53. a5 Ba4 54. a6 Bc6 55. a7 Kf8 56. Nd6 (56. Na5 Ba8 57. Nb3 Bc3
58. Nxc5) (56. Nb6 Bxe4 57. f3 Bb7 58. Nc8 (58. a8=Q+ Bxa8 59. Nxa8 Ke7 60. Nb6
Kd6 61. Kd3 $18 {Wh should be able to conrol the pawn mass, as the remaining B
is static}) 58... e4 59. Nd6 exf3+ 60. gxf3 Bc6 61. Rd1 Bc3 62. Nc4 Bd4 63. Na5
Ba8 64. Nb3 Bf6 65. Nxc5 $18 {Komodo11}) 56... Bc3 57. Rd1 Bd4 58. Nf5 Bxe4 59.
Nxd4 exd4 60. Rc1 d3+ 61. Kd2 Bxg2 62. Rxc5 b3 63. Rb5 Ke7 64. Rxb3 Kf6 65.
Kxd3 Kg5 66. Kd4 Ba8 67. Rb8 Bc6 68. Ke5 Bf3 69. h4+ Kg4 70. Rg8+ Kh3 71. Kxf4
Bd5 72. a8=Q $18 {Komodo11, being ulta careful}) 52... Kf8 53. Nc4 Ke7 {now
the Bl K is able to join in} 54. Kd3 Kd7 55. Nxe5+ (55. Kd2 Bb3 56. Kd3 Kc7 57.
Rc2 $1 {Komodo11} Bxc2+ (57... Bxa4 58. Ra2 Bb5 59. Ra7+ {with some R activity
at last}) 58. Kxc2 Kb7 {and there is no way in for Bl, especially with that
bad B- still bad, even if outside the pawns, because it can't protect the rear
( a useful tip to know against French Bs trying to sneak out)}) 55... Bxe5 56.
Rxc5 {the R is out, but at a cost} Kd6 $19 57. Rb5 b3 58. a5 {looks dangerous
but the Bl K is too near} b2 (58... Kc6 {Komodo11} 59. Rb6+ Kc5 60. Rb7 b2 61.
Kc2 b1=Q+ 62. Rxb1 Bxb1+ 63. Kxb1 Kd4 64. a6 Bb8 65. Kc2 Ke3 $19 {& a K side
massacre}) 59. Kc2 b1=Q+ 60. Rxb1 Bxb1+ 61. Kxb1 Kc5 62. Kc2 Kc4 63. a6 Bd4 64.
Kd2 h5 65. Kc2 Be3 66. Kd1 Kd3 67. Ke1 Bb6 68. Kf1 h4 (68... h4 69. Ke1 Ke3 70.
Kf1 Kd2 {Zugzwang} 71. e5 Ba7 72. g3 fxg3 73. Kg2 Ke3) 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "French, Max"]
[Black "Van Kemenade, Rudy"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1997"]
[BlackElo "1981"]
[Annotator "Rudy"]
[PlyCount "43"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 O-O 7. O-O Re8 8.
Nc3 Ncxe5 9. Nxe5 Nxe5 10. b3 a5 11. Ne4 (11. Bb2 Ra6 12. Ne4 Ba7) 11... Bf8 (
11... Ba7) 12. Bb2 Ra6 (12... Nxc4 13. Bxc4 Rxe4 14. Bxf7+ Kh8 15. Qf3 Rh4 16.
g3 Rh6 17. Qf4 Rb6 18. Rac1) 13. f4 Ng4 (13... Ng6 14. Bd3 {83 % for Wh}) 14.
Bxg4 Rxe4 15. Be5 {all part of Wh's preparation ( Bl had no available games of
Wh against the Budapest) Not mentioned in Theory Books} (15. Qd3 {1 Wh win, 3
Bl wins}) 15... Bc5 $2 $146 (15... Rxe3 16. Qd4 (16. Qd2 Bc5 17. Kh1 Rh6 18.
Qxa5 (18. Bd4 $11) 18... Bb6 (18... d6 $19) 19. Qd2 Qh4 $19 {QueenSheba-Arthrud
ueenSheba-Arthrudd9, Online Arena 2015,0-1}) 16... Rg6 (16... Rxe5 17. fxe5 Rh6
18. Rad1 $18) 17. Qxe3 (17. Bh5 Rh6 18. Bxf7+ Kxf7 19. Qxe3 $18 {Komodo11})
17... Rxg4 18. Rae1 b6 19. Qf3 Bc5+ 20. Kh1 d6 21. Bb2 (21. Bc3 $18) 21... h5
22. h3 $18 {yet Olear-Majeric, Gyongos op 2002,0-1}) (15... d6 {Cloud Engines}
16. Bf3 Rxe3 17. Qd2 Rxf3 18. Rxf3 a4 (18... Bf5 19. Rg3 Qd7 20. Bb2 d5 21. Qd4
f6 22. Rd1 Be6 23. cxd5 Bf5 $14 {Komodo11}) 19. Re1 $16 {Devangshu-Castello
Benave, Champion's League ICCF, 2010,1-0}) (15... d5 {pm analysis} 16. Bxc8 (
16. Bf3 Rxe3 17. Bxd5 (17. Qxd5 Qxd5 18. cxd5 Bc5 19. Kh1 $14) (17. Qd4 $2 Rxf3
18. Rxf3 f6 {Baumbach, also pm analysis inthis game}) 17... Qe7 18. Qd2 $1 {
Komodo11} (18. Qd4 Qc5 $11 19. Bxg7 $2 {pm analysis} Rd3 $19 {Komodo11})) 16...
Qxc8 17. Qxd5 Rxe3 (17... Qf5 18. Qxb7 Re6 19. Rad1 Re8 20. Qc6 Rc8 21. Rf3 $18
{Baumbach-Venturino, Ol fin ICCF 1987,1-0}) 18. Kf2 c6 19. Qd4 Rxe5 20. Qxe5 a4
21. Kg1 $18 {Komodo11}) (15... Rg6 16. Qd3 (16. Bf5 Rxe3 (16... Rxe5 17. fxe5
Rh6 18. Qf3 $16) 17. Bxg6 hxg6 18. Qd4 Re2 19. Rf3 b6 20. Qd3 Bc5+ 21. Kh1 Rf2
22. Rxf2 Bxf2 23. Rf1 Bc5 24. f5 $18) 16... Rxe5 17. fxe5 Rxg4 18. Qf5 Rxg2+
19. Kxg2 Qe8 20. Rad1 d6 21. Qf4 $16) 16. Qd5 $18 Bxe3+ (16... Rxe5) (16...
Rxe3 17. Qxc5 d6 {initial plan, fails as Wh is hitting the R} 18. Qxe3 Bxg4 19.
Bxg7 $18) 17. Kh1 Qh4 (17... Rxe5 18. fxe5 Qe7 19. Rad1 $18) 18. Qxe4 Rh6 19.
h3 (19. f5 $18) 19... Bc5 20. Qf3 (20. f5) (20. Bxc7 $1 {Komodo11} Qxg4 21.
Qe8+ Bf8 22. Bd6 Rxh3+ 23. Kg1 $18) 20... Rg6 21. f5 (21. Bxc7) 21... Rh6 22.
Qg3 {Bl is just a R down} (22. f6) 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Zeidler, Sven P."]
[Black "Waddington, Mike P"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2165"]
[BlackElo "2086"]
[Annotator "Rudy"]
[PlyCount "105"]
[EventDate "2018.??.??"]

1. e4 c5 2. Nc3 a6 3. f4 b5 4. d4 (4. Nf3) (4. g3 Bb7 5. Bg2 e6 6. Qe2 Nc6 7.
d3 Nd4 8. Qf2 {Zeidler-Sulava, Istanbul ol 2000,1/2-1/2}) (4. d3) 4... cxd4 5.
Qxd4 Nc6 6. Qf2 e6 7. Bd3 d5 $146 {Komodo11} (7... Bb7) (7... d6) 8. exd5 exd5
(8... Nb4 9. Nf3 Nxd3+ 10. cxd3 Nf6 11. dxe6 Bxe6 12. O-O Rc8 $11 {Komodo11})
9. Nf3 Nf6 10. O-O Be7 11. Ne5 Bb7 $11 12. Bd2 O-O 13. Rae1 Nb4 (13... b4 14.
Ne2 Ne4 15. Bxe4 dxe4 16. Be3 Qc7 $11 {Komodo11}) 14. Ne2 Rc8 15. Bc3 Nxa2 (
15... Ne4 $17) 16. Bd4 Nb4 17. Ng3 $14 Ne4 18. Bxe4 dxe4 19. c3 (19. Nf5 $16)
19... Nd3 (19... f6 $17 {Komodo11} 20. cxb4 fxe5 21. Bxe5 Bxb4 22. Rd1 Qe7 $17
{Bl has 2 Bs & a Q side majority, while Wh's K side attacking chances have
diminished}) 20. Nxd3 exd3 21. Nf5 $16 Bf6 22. Bxf6 Qxf6 23. Ne7+ Kh8 24. Nxc8
$16 Rxc8 (24... Bxc8) 25. Re3 $18 Rd8 26. Rd1 h6 27. Rexd3 (27. Rdxd3) 27...
Re8 28. Rd6 (28. Qd4) 28... Qf5 29. Rd8 (29. Rd7 Bc8 30. Rd8) 29... Rxd8 30.
Rxd8+ Kh7 31. h3 Qb1+ 32. Kh2 Be4 33. Rd7 Kg8 34. Rd8+ Kh7 35. Rf8 Bd5 36. Qd4
Be6 37. Qd2 (37. b4) 37... Bc4 38. Ra8 Qg6 39. Qd8 Qe6 40. Qg8+ Kg6 41. Qc8 (
41. Rd8 a5 42. Rd4 Qe7 43. Qa8 a4 44. Qc6+ Kh7 45. Qe4+ $18 {Komodo11}) 41...
Qxc8 42. Rxc8 a5 (42... Kf5 43. Kg3 Ke4 44. Rd8 $18) 43. g4 h5 44. Rc6+ f6 45.
Kg3 hxg4 46. hxg4 a4 47. Rc7 Be2 48. f5+ Kh6 49. Kf4 Bd1 50. Rd7 (50. Rc6)
50... Be2 51. Rd2 g5+ 52. fxg6 Bc4 53. Kf5 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Whale, Michael"]
[Black "James, David J"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1743"]
[BlackElo "2119"]
[Annotator "Rudy"]
[PlyCount "35"]
[EventDate "2018.??.??"]

1. e4 c5 2. c3 d5 3. Qf3 {rare} dxe4 4. Qxe4 (4. Bb5+ {Baichurin-Casiliev,
Khanty Mansiysk Governors Cup 2011,0-1} Bd7 5. Bxd7+ Qxd7 6. Qxe4 Nf6 {
transposes to several other lines, though Wh doesn't do all too well in these})
4... Nf6 5. Qc2 {0-6 from this position} Nc6 6. Nf3 {0-20 from this one} Bg4 7.
Be2 e6 (7... e5) 8. d3 Be7 9. Na3 $146 (9. O-O Rc8 10. Bg5 O-O 11. Nbd2 Nd5 12.
Bxe7 Qxe7 $15 {Pinto-Ribeiro, POR ch tm, Torres Vedras 2011,0-1}) (9. Nbd2 O-O
10. O-O Qc7 11. Re1 Rfd8 12. h3 Bh5 13. Nf1 Rac8 14. Be3 Nd5 15. Bg5 $15 {
Thies-Brodie, Canada op , Montreaal 2002,0-1}) 9... O-O 10. Nc4 Qc7 11. g3 Nd5
12. O-O Rad8 $15 13. Ne3 Nxe3 14. Bxe3 Rd7 15. Ng5 Bxe2 16. Qxe2 Qe5 (16...
Bxg5 17. Bxg5 Qe5 $15) 17. Ne4 (17. Nf3) 17... c4 $17 18. d4 $2 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "May, Frank"]
[Black "Brown, Thomas"]
[Result "0-1"]
[ECO "E66"]
[WhiteElo "2096"]
[BlackElo "2085"]
[Annotator "Rudy"]
[PlyCount "48"]
[EventDate "2018.??.??"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nc6 7. d5 Na5 8. Nfd2
c5 9. Nc3 a6 10. Qc2 Bd7 (10... Rb8) 11. Rb1 b5 12. b3 Rb8 13. Bb2 e5 (13...
Qc7) (13... bxc4) (13... Qc8) 14. Nd1 (14. dxe6) 14... h6 $146 (14... Nh5 {main
}) (14... Bh6 {has been played in similar variations}) 15. f4 {again a
frequent move in related positions in a heavily analyzed line} exf4 16. gxf4 (
16. Rxf4 $11 {Komodo11}) 16... bxc4 17. bxc4 Rxb2 $15 {Komodo11,a positional
sacrifice, to control the bl squares weakened by f4} 18. Rxb2 (18. Qxb2 Ne4 19.
Qc2 Nxd2 20. Qxd2 Nxc4 21. Qc1 Nb6 $15) 18... Ng4 (18... Re8) 19. e3 (19. h3
Bd4+ 20. Kh1 Re8 21. Rb1 Rxe2 22. Qd3 Rxd2 23. Qxd2 Nxc4 24. Qe2 Nce3 25. Nxe3
Nxe3 26. Rf3 Bf5 27. Re1 Nxg2 28. Kxg2 Qh4 $11 {Komodo11. Rs are bad
defenders& the Bs cover key diagonals}) 19... Bf5 20. e4 (20. Qc1 {Wh needs to
return some material} Bxb2 21. Qxb2 Bd3 22. Re1 Nxc4 23. Qc3 Nxd2 24. Qxd3 Qh4
25. Qxd2 Qxh2+ 26. Kf1 Qg3 27. Kg1 Re8 $11 {Komodo11}) 20... Bd4+ $19 21. Kh1 (
21. Nf2 Ne3 22. Qb1 Bd7 23. Re1 Qf6 $19 {Komodo11}) 21... Nxh2 $1 {exposing
the K} 22. exf5 (22. Nf3 Nxf3 23. Bxf3 Bh3 24. Rf2 Qh4 $19 {Komodo11}) 22...
Qh4 {mating} 23. Nf2 Bxf2 24. Rxf2 Nf3+ 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Young, Alan"]
[Black "Waterfield, John W"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2036"]
[BlackElo "1919"]
[Annotator "Rudy"]
[PlyCount "54"]
[EventDate "2018.??.??"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 {The Sniper; a move order designed to avoid
Alan's usual 2.c3 against the Sicilian (Rudy)} (3... c6 4. Nf3 d5 5. h3 dxe4 6.
Nxe4 Bf5 7. Bd3 Nd7 {Young-Summers, WLS ch 2010,1/2-1/2}) 4. dxc5 (4. Nf3 cxd4
{Sicilian Dragon , or Bl can be adventurous with} (4... Qa5 {the Pterodactyl-
Keene & Day})) (4. d5 Bxc3+ {can still be played, though 90% for Wh} (4... d6
5. f4 Nf6 6. Nf3 O-O 7. Be2 e6 {Kett-Waterfield, WLS ch 2016,1-0})) (4. Be3 Qa5
(4... cxd4)) 4... Bxc3+ {The Sniper Sacrifice- a move championed in Storey-
The Sniper 2011 ( also found in a related form in a Benoni where Wh has played
c4 in response to g6 in a d4 opening.} (4... Qa5 {main} 5. Bd2 Qxc5 6. Nf3 Nf6
7. Be2 d6 8. O-O O-O 9. h3 Nc6 10. Be3 Qb4 11. a3 Qa5 12. Qd2 a6 {Young-Thomas,
K, WCPL 2007,1/2-1/2}) 5. bxc3 Qa5 (5... Nc6 {less popular, prevents Qd4, but
difficult to get this N to its best square c5- Storey}) 6. Bd2 (6. Qd4 {main}
Nf6 7. Qb4 Qc7 {main} (7... Nc6 8. Qxa5 Nxa5 9. Bd3 O-O 10. Ne2 b6 {Storey
2011:54, as played in Desmarais-Fang, Chelsford 2001,0-1}) 8. Nf3 Nc6 9. Qa4
Ne5 10. Qd4) 6... Qxc5 7. Nf3 (7. Bd3 Nf6 8. Ne2 O-O 9. O-O d6 10. Kh1 Nbd7 11.
f4 Qh5 12. Qe1 Nc5 13. Ng3 Qh6 14. f5 {Farkas-Waterfield,4NCL 2013,1-0}) 7...
d6 8. Bd3 Nf6 9. O-O O-O 10. Rb1 (10. Qe2 Nc6 11. h3 Nd7 12. Kh1 Nde5 13. Nxe5
Nxe5 14. f4 Nxd3 15. cxd3 f5 {Das-Joshi, Mumbai Mayor's Cup 2009,1/2-1/2}) (10.
Re1 Bg4 11. h3 Bxf3 12. Qxf3 Nc6 13. Rab1 Rab8 14. Rb5 Ne5 15. Qe2 Qc6 16. Rb3
Rfc8 {Birk-Alvir, Steyr Landesliga , 2012, 0-1}) 10... b6 (10... Qc7 11. Nd4
Nc6 12. f4 d5 13. exd5 Nxd5 14. Qf3 Rd8 15. f5 Ne5 16. Qg3 Nxd3 17. Qxd3 Nf6 {
Zumsande-Hobber, Reykjavik op 2012, 1/2-1/2}) 11. Qe2 Bg4 12. h3 (12. e5 dxe5
13. Qxe5 Nbd7 14. Qg3 Bxf3 15. Qxf3 Ne5 16. Qe2 Nc6 $11 {Komodo11}) 12... Bxf3
13. Qxf3 Nbd7 14. Qg3 Rac8 15. c4 {wanting to release the QB for a Kingside
asault} (15. a4 $11) 15... Ne5 $15 16. Kh1 Nxc4 $17 17. Bg5 Nh5 (17... Ne5) 18.
Qh4 f6 19. Bh6 Rf7 (19... Ng7) 20. f4 Nd2 $19 21. Rb5 (21. f5 Nxf1 22. Rxf1 Ng7
$19 {Komodo11}) 21... Qe3 22. Rxh5 Nxf1 (22... gxh5 23. Re1 Qc5 24. e5 $18 {
Komodo11}) 23. Qg4 (23. f5 Ng3+ 24. Kh2 Qe1 25. Qxg3 Qxg3+ 26. Kxg3 gxh5 $19 {
Komodo11}) 23... f5 24. exf5 (24. Rxf5 Qg3) 24... Qg3 {with a mate threat} 25.
Qxg3 (25. Kg1 Qxg4 26. hxg4 gxh5 27. Kxf1 hxg4 $19) 25... Nxg3+ 26. Kh2 Nxf5 (
26... Nxh5 27. fxg6 hxg6 28. Bxg6 Rf6 29. f5 Rxc2 {Komodo11}) 27. Bxf5 Rxf5 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Jones, Iolo C"]
[Black "Buttell, David"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2206"]
[BlackElo "1782"]
[Annotator "Rudy"]
[PlyCount "89"]
[EventDate "2018.??.??"]

1. c4 b6 2. d4 e6 3. d5 (3. Nc3) (3. Nf3) 3... e5 {rare, avoiding book lines} (
3... Nf6) (3... Bb7 4. a3 {Karpov-Hou, Harbin m rapid 2018,0-1}) 4. Nf3 (4. g3
d6 5. Bg2 g6 6. Nf3 Bg7 7. O-O Ne7 8. Nc3 O-O 9. Bd2 {Kunin-Hermann, Bad
Woerishofen op 2002,1/2-1/2}) (4. e4 g6 5. Nc3 d6 6. Bd3 Bg7 7. Nge2 Ne7 8. O-O
O-O 9. f4 exf4 10. Bxf4 Nd7 {Michalicka-Bednar, SVK ch tm 2015,1/2-1/2}) 4...
d6 (4... Bb4+ {[%eval 0,0] Komodo11- to exchange off a potentially bad}) 5. e4
Be7 6. Nc3 f5 {continuing to play adventurously} (6... Nf6 $14) 7. exf5 Bxf5 8.
Bd3 Bxd3 9. Qxd3 $16 Nd7 10. Ne4 Ngf6 11. Nfd2 O-O 12. O-O $11 Nc5 (12... Qe8)
13. Nxc5 bxc5 14. Rb1 a5 15. Re1 Nh5 (15... a4 $11 {Komodo11}) 16. g3 {[%eval
0,0] there is no need to prevent Nf4, as the exchange there will leave Wh with
a good N vs bad} (16. Ne4 Qe8 17. Nc3 Qd7 18. Bd2 Nf4 19. Bxf4 Rxf4 20. Ne4 $14
{Komodo11- but its hard to see what the N does next , as there is no pawn
break with c5 available.}) 16... Qd7 (16... Bg5 $11 {Komodo11}) 17. Re3 {
difficult to see what this R is up to, other than an exchange on f3. It
encourages Bl to play Bg5 anyway} (17. Ne4 Qf5 18. Bd2 a4 19. Kg2 $14 {Komodo11
}) 17... Qg4 (17... Bg5 18. Re1 Qh3 $11 {Komodo11}) 18. f3 Qd4 (18... Qd7 19.
Ne4 $14) 19. Qxd4 (19. Qe2 $1 $18 {Komodo11} Nf4 (19... Bg5 20. Nb3 Nf4 21.
gxf4 Qxf4 22. Rxe5 Qxe5 23. Qxe5 dxe5 24. Bxg5 Rxf3 25. Nxc5 $18 {Stockfish9})
(19... a4 20. Kh1 Nf4 21. gxf4 Qxf4 22. Ne4 $18 {Stockfish9}) 20. gxf4 exf4 21.
Nb3 fxe3 22. Nxd4 cxd4 23. b3 Bf6 24. Kg2 Rae8 25. c5 $18 dxc5 26. Qc4 Be5 27.
Ba3 Bd6 28. Bxc5 $18 {Komodo11 & Stockfish9}) 19... cxd4 $11 {both Engines} 20.
Rb3 Nf6 (20... Bg5 $11) 21. Rb7 Rfc8 22. a4 Nd7 23. Rb5 (23. Ne4 Nb6 24. b3
Rab8 $11 {Komodo11}) 23... Nc5 24. b3 Bg5 25. Nf1 $6 {avoiding a N swap leaves
Wh with an inferior placed N} (25. Ne4 Bxc1 26. Rxc1 Nxe4 (26... Nd3 27. Rd1
Nb4 28. c5 dxc5 29. Rxc5 Rd8 30. f4 Nxd5 (30... Rxd5 31. Rxd5 Nxd5 32. fxe5 Re8
33. Rxd4 Rxe5 $11 {Komodo11})) 27. fxe4 Kf7 28. Kf2 Ke7 29. Ke2 Rf8 $11 {
Komodo11} 30. Rb7 Rab8 31. Rxc7+ Kd8 32. Ra7 Rxb3 33. Ra8+ Ke7 34. Rxf8 Rb2+
35. Kd3 Kxf8 36. c5 Rb3+ 37. Kd2 Rb2+ 38. Kd3 (38. Kd1 Rxh2 39. Rc4 {other
moves lose} (39. c6 Rh1+ 40. Kd2 Rxc1 41. Kxc1 Ke7 $19 {Bl has 2 runners, Wh
only one}) 39... Rh1+ 40. Ke2 Ke7 $11) 38... Rb3+ $11) 25... Bxc1 26. Rxc1 Rf8
$15 (26... e4 $17 {Komodo11 & Stockfish9 (which gives very similar variations
& evaluations in what follows)} 27. fxe4 (27. Rxc5 dxc5 28. fxe4 Kf7 $17) 27...
Nxe4 28. Re1 Re8 {Wh's N is stuck on f1} 29. b4 axb4 30. Rxb4 Nc5 31. Rxe8+
Rxe8 32. Rb1 Re2 (32... Nxa4 33. Rd1 Nc3 34. Rd3 g5 35. Nd2 Kf7 36. Kf1 Kf6 37.
Rxd4 Re3 $17) 33. Ra1 d3 $19 (33... Rc2 $17 34. a5 Na6 $17) 34. a5 Nb3 35. Ra3
(35. Rd1 d2 36. Nxd2 (36. a6 Re1 37. a7 Rxd1 38. a8=Q+ Kf7 39. Qc8 Rxf1+ 40.
Kxf1 d1=Q+ $19) 36... Rxd2 37. Rxd2 Nxd2 38. a6 Nxc4 39. a7 Nb6 $19) 35... d2
36. Nxd2 Nxd2 37. a6 Re8 38. a7 Ra8 $19 {Komodo11}) 27. Nd2 {other moves lose}
Rfb8 $11 (27... g5 $15 28. Re1 Kf7 29. Kg2 Kg6 30. Ne4 Nxe4 31. fxe4 h5 32. Rb7
Rfc8 33. c5 Rab8 $15 {Stockfish9 & Komodo11 gives similar variations}) 28. Kf1
(28. Ne4 Nxb3 29. Rb1 Rxb5 30. cxb5 (30. axb5 a4 $19) 30... Nc5 31. Nxc5 dxc5
32. Rc1 Rf8 33. Kg2 d3 34. Kf2 d2 35. Rd1 Kf7 36. Ke3 Ke7 37. Rxd2 Kd6 $15 {
Komodo11}) 28... Kf7 29. Ke2 Ke7 30. Rb1 (30. Ne4 $11) 30... Kd7 (30... Rf8 $15
31. Ne4 $6 (31. h4 Rf6 32. Re1 Rg6 33. Rg1 Kd7 $15 {but no clear way forward
for Bl to make use of his protected passed pawn}) 31... Nxe4 32. fxe4 Rf7 33.
c5 Raf8 $17 {Komodo11}) 31. Ne4 Nxe4 (31... Rxb5 32. cxb5 Rf8 33. h4 h6 $11)
32. fxe4 c6 (32... Rf8 $11) (32... g5 $11) (32... Rb6 $11) (32... Rxb5 33. cxb5
(33. axb5 a4 $17) 33... Rf8 34. b4 Ra8 35. bxa5 Rxa5 36. Ra1 Kc8 37. Kd3 Kb7
38. Kc4 Ra8 (38... Kb6 39. Kb4 $18) 39. a5 Rf8 $11 {Komodo11}) 33. dxc6+ Kxc6
34. Rc1 (34. Rd5 Rd8 35. Rc1 Kd7 36. c5 Ke6 37. Kd2 Ra6 $11 {Komodo11}) 34...
Rxb5 $6 {not the best, it unbalances the q side pawns} (34... Rb7 $11 35. Rd5
Rxb3 36. c5 Re3+ 37. Kd2 Kd7 38. Rxd6+ Ke7 39. Rd5 Rxe4 40. c6 Ke6 41. Rd7 Rf8
42. Kd3 Re3+ 43. Kc4 Ra3 44. Kc5 Rc8 45. Rxg7 Rxa4 46. Rxh7 Ra2 $11 (46... d3
$11 {Komodo11})) (34... Kd7 35. Rf1 Ke6 36. Kd2 (36. Rf3 Rxb5 37. cxb5 Rc8 $11
{Bl has the open c file to compensate for the q side}) 36... Ke7 37. Kd3 Ke6
$11 {Komodo11}) 35. cxb5+ $14 Kd7 36. Rc4 (36. Rc6 g5 37. Kd3 (37. Ra6 $2 Rxa6
38. bxa6 Kc6 $19 {Komodo11}) 37... Rf8 38. Kc4 Rf6 39. Ra6 Rf1 40. Rxa5 d5+ $1
41. exd5 Rc1+ 42. Kd3 Rc3+ 43. Ke2 Rxb3 44. Ra6 e4 $11 {Komodo11; both sides
have running pawns}) 36... Rc8 $2 (36... d5 $1 {mobilizes 2 centre pawns for Bl
} 37. exd5 (37. Rc5 dxe4 38. Rxe5 d3+ 39. Ke3 Re8 $11) 37... Kd6 38. Rc6+ Kxd5
39. Rc7 g5 (39... h5 40. Rxg7 Ke4 41. b6 d3+ 42. Kd2 Rf8 43. b4 Rf2+ 44. Kc3
axb4+ 45. Kxb4 Rb2+ 46. Kc5 Rc2+ 47. Kb5 Rb2+ 48. Kc6 Rc2+ 49. Kb5 (49. Kb7 d2
$17) 49... Rb2+ $11) 40. Rxh7 Rc8 (40... g4 41. b6 Rb8 42. b7 Kc6 43. Re7 Rxb7
44. Rxe5 Rxb3 45. Rxa5 Ra3 $11 {Komodo11- all R & P endings are drawn?})) 37.
Kd3 (37. Rxc8 $1 $18 Kxc8 38. Kd3 Kc7 39. Kc4 Kb6 40. b4) 37... Rxc4 $2 (37...
Rf8 38. Ke2 $14) 38. Kxc4 $18 Kc7 39. b4 Kb6 (39... axb4 40. a5 $18) 40. Kb3
axb4 (40... d5 {is now too late to save Bl} 41. bxa5+ Kxa5 42. exd5 e4 (42...
d3 43. Kc3 e4 44. d6 Kb6 {Komodo11 goes for focing Zugzwang with Kd2-e3} 45.
a5+ $18) 43. d6 Kb6 44. Kc4 e3 45. a5+ Kb7 46. a6+ Kb6 47. d7 Kc7 48. a7 $18)
41. Kxb4 Kb7 42. a5 Ka7 43. b6+ Ka6 44. Kc4 Kb7 45. Kb5 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Fowler, Hugo"]
[Black "Heap, Gerry"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1786"]
[BlackElo "2086"]
[Annotator "Rudy"]
[PlyCount "80"]
[EventDate "2018.??.??"]

1. e4 c5 2. c3 g6 (2... d5) (2... Nf6) 3. d4 cxd4 4. cxd4 d5 5. exd5 (5. e5)
5... Nf6 6. Nc3 Bg7 {a bit like a Grunfeld, also could occur from a caro-kann
or a Scandinavian} 7. Nf3 O-O 8. Bd3 Nxd5 9. a3 (9. O-O {main, more flexible})
9... Nc6 10. Bb1 {slightly unusual as there is no chance of a Q & B lineup to
try & mate the K} (10. Be4 Nf6 11. Bc2 Bg4 12. d5 Bxf3 13. gxf3 Ne5 14. Be4 Qd7
15. Be3 Nc4 {Kostadinov-Panteleev, BUL ch tm , Pamporovo 2001, 0-1}) 10... Bg4
$17 11. h3 (11. Be3 e5 $17 {breaks open the centre}) 11... Bxf3 12. Qxf3 Nb6
$17 (12... Nxd4 $1 $19 13. Qxd5 Nc2+ $1 14. Ke2 (14. Bxc2 Bxc3+ 15. bxc3 Qxd5)
14... Qxd5 15. Nxd5 Nxa1 $19 {Komodo11}) 13. d5 (13. O-O Qxd4 14. Be3 Qh4 $17)
13... Nd4 $19 14. Qe4 (14. Qd1 Nxd5 15. Nxd5 Qxd5 16. O-O Rac8 $19 {Komodo11})
14... Nb3 $19 15. O-O Nxa1 16. Ba2 Nc8 17. Re1 (17. Qb1 $5) 17... Qb6 18. Na4
Qd4 19. Qxd4 Bxd4 20. Bh6 Bg7 (20... b5) 21. Bxg7 Kxg7 22. Rxa1 {Bl is just an
exchange up} Nd6 23. Re1 Rfe8 24. Nc5 Rac8 25. b4 a5 26. Kf1 axb4 27. axb4 b6
28. Nd7 Rc2 29. Re2 Rc1+ 30. Re1 Rxe1+ 31. Kxe1 Ra8 {the remaining R goes
pawn- hunting} 32. Bb3 Ra1+ 33. Kd2 Rb1 34. Kc2 Rf1 35. f3 b5 36. Kd3 Rf2 37.
Kd4 Rxg2 38. Kc5 Rb2 {and piece-hunting} 39. Bd1 Rd2 40. Bb3 Rd3 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Jukes, Sam"]
[Black "Miles, Richard"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1762"]
[BlackElo "1960"]
[Annotator "Rudy"]
[PlyCount "60"]
[EventDate "2018.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. c3 {Morra Gambit, which gives Wh loads of
play if Bl is not careful} dxc3 5. Nxc3 d6 6. Bc4 a6 7. O-O Nf6 8. h3 e6 9. Qe2
Be7 10. Rd1 Qc7 {Bl must avoid an e5 push} 11. Be3 (11. Bf4 Ne5 {main}) 11...
O-O 12. Rac1 Qb8 {ultra cautious} (12... Bd7 {main, is OK for Bl}) 13. Bb3 Na5
14. Bc2 b5 15. b3 (15. Bd3 Bd7 16. b4 Nc6 17. a3 Qb7 18. Bb1 Rac8 {
Stetson-Brown, Arizona 1976,0-1}) (15. Nd2 Bb7 16. f4 e5 17. f5 d5 18. Bb6 Nc4
19. Nxc4 dxc4 {Hess-Duerdoth, NRW ch U17, Siegburg 1997,1/2-1/2}) (15. Bg5 Nc4
16. b3 Ne5 17. Nd4 h6 18. Be3 Bd7 19. f4 Nc6 20. Nf3 Rd8 21. Bf2 e5 22. f5 Rc8
{Van Riesen-Schoene, GER Seniors ch tm , Velden 1999,0-1}) (15. Bf4 Bb7 16. e5
$11 {Komodo11}) 15... Bd7 (15... Bb7 $15) 16. e5 $11 {Komodo11 & Stockfish9}
dxe5 17. Ne4 Bc6 (17... Nd5 18. Bc5 $11 {Stockfish9}) 18. Neg5 (18. Nxf6+ Bxf6
19. Bc5 Rd8 20. Rxd8+ Qxd8 21. Nxe5 Bxe5 22. Qxe5 Bd5 23. Bd4 f6 24. Qg3 Kh8
25. Bxh7 Kxh7 26. Rc7 Qf8 27. Bc5 Qh8 28. Bd4 Rf8 29. Bc5 Nc6 30. Qh4+ Kg6 31.
Qg4+ Kh6 32. Qh4+ $11 {Stockfish9}) 18... h6 (18... Bd5 $19 {Stockfish9}) 19.
Nxe6 (19. Bd2 Nb7 20. Nh7 e4 21. Nd4 Bd5 22. Nxf8 Bxf8 23. Bb1 Nc5 (23... Ba3
24. Rc2 Qf8 25. Qe1 $11) 24. Qe3 Bb7 $15 {Stockfish9}) 19... fxe6 $19 20. Qd2
e4 (20... Bxf3 $19) 21. Bxh6 {hoping for something in the chaos} gxh6 (21...
exf3) 22. Qxh6 Qe8 (22... Rf7 {also covers weak points}) 23. Qg5+ Kh7 24. g4
Rg8 (24... Nxg4 $1 {Stockfish9}) 25. Qh4+ Qh5 (25... Kg7 26. Qg5+ Kh8 27. Qh6+
Nh7 $19) 26. Qg3 Nxg4 27. Qf4 Ne5+ (27... Qxh3 {Stockfish9, mating soon}) 28.
Kf1 Nxf3 29. Bxe4+ Bxe4 30. Qxe4+ Qf5 (30... Kh8) 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Bourne, Johnathan D"]
[Black "Owen, Neil"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1957"]
[BlackElo "1760"]
[Annotator "Rudy"]
[PlyCount "102"]
[EventDate "2018.??.??"]

1. e4 d6 2. d4 c6 3. Nc3 Qc7 (3... Nf6) 4. f4 e5 5. Be2 (5. Nf3 Bg4 {main})
5... Be7 (5... Nd7) 6. Nf3 Bf6 {an odd variant of a Pribyl defence} (6... Bg4 {
2-0}) (6... Nd7 {Komodo11}) 7. dxe5 dxe5 8. fxe5 Bxe5 9. Nxe5 Qxe5 10. O-O $18
{Bl is well behind in development & has lost control over the crucial e5
square ( where he needs to stop the advance of the Wh e pawn which will
liberate the d3 B for the attack.} Be6 11. Bf4 Qc5+ 12. Kh1 Nd7 13. Bd6 (13. e5
$18 {Ne4-d6 is a powerful threat}) 13... Qb6 14. Bg4 (14. e5) 14... Ngf6 (14...
O-O-O $16) 15. Bxe6 fxe6 16. e5 $18 {if the N moves, Qh5 ch will be fatal}
O-O-O 17. exf6 Nxf6 18. Na4 (18. Qd3 Rd7 19. Rae1 Re8 20. b4 $18 {Komodo11})
18... Qb5 19. c4 (19. Qd4 Rxd6 20. Qxd6 Qxa4 21. Qxe6+ $18 {Komodo11}) 19...
Qxc4 20. Rf4 (20. b3 Qd5 21. Qxd5 exd5 22. Be7 Rde8 23. Bxf6 gxf6 24. Rxf6 $18
{Komodo11}) 20... Ne4 (20... Qxf4 21. Bxf4 Rxd1+ 22. Rxd1 $18) 21. b3 (21. Qe1
$18) 21... Qd5 22. Qxd5 exd5 23. Be5 $16 Rd7 24. Bd4 b5 25. Nc5 Nxc5 26. Bxc5
Re8 27. h3 $18 Kb7 28. a4 (28. Raf1) 28... a6 29. axb5 cxb5 30. b4 Red8 31. Rd4
Re8 32. Kg1 Re6 33. Rad1 Kc6 34. Rc1 Kb7 35. Rc2 g6 36. Kf1 Rf7+ 37. Rf2 Rd7
38. Re2 Rf6+ 39. Ke1 Kc6 40. Kd1 h5 41. Be7 Rf1+ 42. Kd2 Kb7 43. g4 Ra1 44. Re6
Ra2+ 45. Kc1 hxg4 46. hxg4 (46. Rxg4) 46... Rc7+ 47. Bc5 a5 48. Rb6+ Kc8 49.
Rxb5 axb4 50. Rdxb4 Rg2 51. Kd1 Kd7 {draw agreed,; Wh is still winning
comfortably, though down to the last pawn. It will take a while though, and a
long journey back home.} (51... Kd7 52. Be3 (52. Bb6 Rcc2 53. Rxd5+ Kc6 54. Rd3
$18 {there is no way in for Bl}) 52... Ke6 53. Rb6+ Kf7 54. Rd6 Rg3 55. Bg5 Rg2
56. Rf4+ Kg8 57. Rxd5 Rb7 58. Rd8+ Kh7 59. Rd2 {also still winning, but a long
way from home.}) 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "May, Adam J"]
[Black "Greatorex, Roger"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "1951"]
[BlackElo "1722"]
[Annotator "Rudy"]
[PlyCount "59"]
[EventDate "2018.??.??"]

1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 e5 5. e4 Ne7 6. Nge2 O-O 7. O-O f5 8. d3
Nbc6 {transposes to main} (8... Nd7) (8... c6) 9. Nd5 (9. f4 {alternative})
9... Nxd5 (9... h6) (9... Be6) 10. cxd5 Ne7 11. Rb1 {looks a little strange as
the advance of the b pawn no longer has a N to displace. The c file looks the
logical place for this R} (11. Be3) 11... c6 {Komodo11} (11... h6) (11... Rf7 {
played, getting on with the regular K side attack}) 12. dxc6 Nxc6 (12... bxc6)
13. b4 Rb8 14. b5 Nd4 (14... Ne7) 15. Nxd4 exd4 16. Qb3+ Kh8 17. a4 $14 Re8 18.
Bb2 (18. Qb4) 18... Be6 19. Qb4 a5 20. Qa3 (20. Qd2) 20... Qb6 21. Rbc1 Rec8 (
21... f4 22. gxf4 Rf8 $11 {Komodo11}) 22. Rfe1 Rxc1 23. Rxc1 (23. Bxc1 $16)
23... Kg8 24. exf5 gxf5 25. Re1 $18 Kf7 (25... Bf7 26. Re7 $18) 26. Qa1 Bb3 27.
Qa3 Be6 28. Qa1 Bb3 29. Qa3 Be6 30. Qa1 {( draw?)} (30. Qa1 Bb3 31. Qc1 $18 {
the Bl position has too many holes in it} (31. Ba3 Bxa4 32. Qa2+ Kg6 33. Re7
$18 {Komodo11}) 31... h6 (31... Qd8 32. Bh3 Be6 33. Qf4 Qd7 34. Bxd4 $18) 32.
Qf4 Qc5 33. Bf3 Kg6 34. Qh4 Bf6 35. Qh5+ Kg7 36. Rc1 Qb6 37. Qxf5 Bf7 38. Be4
$18) 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Taylor, Robert Graham"]
[Black "Di-Vetta, Andrew"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1906"]
[BlackElo "1665"]
[Annotator "Rudy"]
[PlyCount "89"]
[EventDate "2018.??.??"]

1. e4 e6 2. Nf3 d5 3. c3 (3. Nc3) (3. exd5) (3. e5 {more usual}) 3... dxe4 4.
Qa4+ Bd7 (4... Nc6) 5. Qxe4 Bc6 6. Qe2 (6. Qe3 {2 Wh wins, 1 draw, 4 Bl wins}
Nf6 7. Ne5 Bd6 8. Nxc6 Nxc6 9. Bb5 O-O 10. d4 Ne7 11. Bd3 Re8 12. O-O Bxh2+ {
D'Andre-Kolisch, Paris Congres International 1867,0-1}) 6... Qd5 (6... Nd7 7.
Nd4 Nb8 8. b4 Nf6 9. Bb2 Be7 10. f3 O-O {Jeremicius-Novikovas, EU Amateur ch,
Kaunas 2015,0-1}) 7. d3 b6 8. Bf4 Bd6 9. c4 Qh5 10. Bxd6 cxd6 11. Nd4 Qxe2+ 12.
Bxe2 Ne7 13. O-O O-O $11 14. Nc3 Nd7 15. Nxc6 Nxc6 16. Nb5 d5 17. cxd5 exd5 18.
Nc7 Nd4 (18... Rad8 19. Nxd5 Nd4 20. Bd1 Nc5 $11 {Komodo11}) 19. Bd1 Rad8 20.
Nxd5 Nc5 21. Nf4 g5 22. Nh3 h6 23. f4 f6 24. fxg5 fxg5 25. Nf2 Nf5 (25... Nc6
$11) 26. Ng4 (26. b4 Ne6 27. Bb3 Nfd4 28. Rfe1 Rfe8 29. Re4 Kf8 30. Ba4 b5 31.
Bd1 Nf4 32. a4 $14 {Komodo11}) 26... Kg7 $11 27. Bc2 (27. g3 Nd4 28. Rxf8 Kxf8
29. Nf2 Nc6 30. Be2 $14 {Komodo11}) 27... Nd4 $15 28. Rxf8 Rxf8 29. Bd1 (29.
Ne3 Nxc2 30. Nxc2 Nxd3 31. b3 Rc8 32. Nd4 Kf6 33. Rd1 Rc1 $11 {Komodo11}) 29...
Nxd3 $17 30. b3 Re8 31. Bf3 Nxf3+ (31... h5 32. Nf2 (32. Rd1 Re1+ 33. Rxe1 Nxe1
34. Nf2 Ndxf3+ 35. gxf3 Nxf3+ $17) 32... Nxf3+ 33. gxf3 Ne1 34. f4 gxf4 $17 {
Komodo11}) 32. gxf3 Re1+ (32... h5 33. Rd1 Re1+ 34. Rxe1 Nxe1 35. Kf2 Nd3+ 36.
Ke3 Nc1 37. Nf2 Nxa2 $17 {Komodo11}) 33. Rxe1 Nxe1 34. Ne5 Kf6 35. Ng4+ Kg6 36.
Kf2 Nd3+ 37. Ke3 Nc1 38. Ne5+ Kf5 39. Nc6 a6 (39... a5 40. b4 Nxa2 41. bxa5
bxa5 42. Nxa5 Nb4 43. Nc4 $11 {Komodo11}) 40. Nd4+ Ke5 41. a3 a5 42. b4 axb4
43. Nc6+ (43. axb4 Na2 44. Nc2 h5 $15) 43... Kd6 44. Nxb4 Nb3 45. Nd3 $11
1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Francis, Matthew"]
[Black "Haigh, Tony"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1694"]
[BlackElo "1799"]
[Annotator "Rudy"]
[PlyCount "60"]
[EventDate "2018.??.??"]

1. d4 e6 (1... f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 Nc6
8. d5 Ne5 9. Nxe5 dxe5 10. e4 f4 {Francis-Haigh, Dyfed League 2017,0-1}) 2. Nf3
f5 3. e3 Nf6 4. Bd3 b6 5. Nbd2 Bb7 6. O-O Be7 7. b3 (7. Re1) (7. Qe2) 7... d6 {
creates a potential weakness at e6 and along the wh diagonals} (7... O-O 8. Bb2
Qe8 {main} (8... d6 9. c4 Ne4)) 8. Bb2 Qd7 9. c4 O-O 10. Qc2 {d5 becomes a
threat} Nc6 (10... g6 11. e4 fxe4 12. Nxe4 Nc6 13. a3 Nxe4 14. Bxe4 d5 15. Bd3
(15. Bxg6 hxg6 16. Qxg6+ $11) 15... Rxf3 16. gxf3 Rf8 17. Bxg6 Bd6 18. c5 Bf4
19. Bd3 Qe7 20. Kh1 Bxh2 21. Rg1+ Bxg1 22. Rxg1+ Kh8 23. Rg3 $16 {Stockfish9})
11. a3 d5 (11... g6 12. Rad1 $14) 12. cxd5 Nxd5 13. Bb5 $16 {Wh has gained
pressure down the c file} a6 (13... Bf6 14. Ne5 Bxe5 15. dxe5 a6 16. Be2 Nd8
17. b4 Rc8 18. Rfd1 $14 {stockfish9, Wh still has a nagging edge}) 14. Ne5 $18
Nxd4 {desperation, in oder to create chaotic chances, lookalso at Dewi
Jones-Haigh from Rd1, 1/2-1/2} 15. Bxd7 Nxc2 16. Bxe6+ Kh8 17. Ra2 {played to
preserve the a3 pawn,. Wh should still be winning, but its seldom good to put
Rs into passive positions, just to guard a weak pawn, Rs want open llines} (17.
Rac1 {looks far more natural} Nxa3 {the N is doing little here} (17... Ncxe3 {
ruled out} 18. fxe3 Nxe3 19. Rxc7 $18) 18. Ndf3 {Bl can scarcely move any K
side pawns to give his K some air} (18. Nf7+ Rxf7 19. Bxf7 $18 {is fine but
there is no rush}) 18... Nb5 19. Rfd1 c6 20. Nf7+ Rxf7 21. Bxf7 Rf8 22. Bxd5
cxd5 23. Nd4 {Wh is an exchange up & his pieces dominate the board} Bc5 24.
Nxb5 axb5 25. Bd4 Rc8 26. Rc2 Bxd4 27. Rxc8+ Bxc8 28. exd4 {and Bl is left
with a terrible B as well- Stockfish9}) 17... Ncxe3 {since Bl is losing he may
as well mix things up further} (17... Bc5 {is no improvement} 18. Nf7+ Rxf7 19.
Bxf7 Ncxe3 20. fxe3 Nxe3 21. b4 Nxf1+ 22. Kxf1 Bd6 23. Nf3 $18 {Stockfish9})
18. fxe3 Nxe3 19. Rc1 {the c file is still the best} (19. Nf7+ Rxf7 20. Bxf7
Nxf1 21. Kxf1 Rf8 22. Bh5 Bd6 23. Bf3 {and Bl's 2 pawns are insufficient for
the piece}) 19... Nxg2 20. Ndf3 (20. Rxc7 {simplest} Bc5+ 21. Kf1 (21. Rxc5
bxc5 22. Nf7+ Rxf7 23. Bxf7 Rd8 24. Be5 $18 {simplifies, if one doesn't feel
like a K march}) 21... Ne3+ 22. Ke1 Nc2+ 23. Kd1 Nd4 24. Bc4 Bh1 25. b4 Bd6 26.
Nf7+ Rxf7 27. Rxf7 {Stockfish9Wh is a R up}) 20... Nf4 (20... Bxf3 21. Nxf3 Nf4
22. Bc4 Rad8 23. b4 $18 {Stockfish9}) 21. Nf7+ {wining the exchange now leaves
an unprotected N behind} (21. Rxc7 $1 Bc5+ 22. Kf1 Nxe6 23. Rxb7 $18 {
Stockfish9}) 21... Rxf7 22. Bxf7 Bxf3 $15 23. Rxc7 (23. Kf2 Be4 24. Rxc7 Bc5+
25. Ke1 Nd3+ 26. Kf1 Nxb2 27. Rxb2 Bd3+ 28. Kg2 Rd8 $15 {Stockfish9; as Bl has
2 pawns for the exchange & powerful Bs & the Wh Rs are uncoordinated}) 23...
Bc5+ (23... Bd6 24. Rd7 Bc5+ 25. Bd4 Bxd4+ 26. Rxd4 Ne2+ 27. Rxe2 Bxe2 $17 {
Stockfish9}) 24. Rxc5 (24. Kf1 {is still better than returning the exchange}
Rd8 25. Bxg7+ Kxg7 26. Bd5+ Kg6 27. Bxf3 Rd3 28. Be2 Rxb3 29. Bd1 Rd3 30. Be2
Rh3 31. Bxa6 Rc3 32. Ke1 Rc1+ 33. Kd2 Be3+ 34. Kxe3 Nd5+ 35. Kd4 Nxc7 36. Bc4
Re1 $15 {Stockfish9- Bl is just the one pawn up, with a draw most likely})
24... bxc5 25. Kf2 Bd5 $19 26. Bxd5 Nxd5 27. Bc1 Nc3 28. Rc2 Ne4+ 29. Kf3 g6
30. Be3 (30. b4 $5) 30... Rb8 $19 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Leah, Howard"]
[Black "Probert, Malcolm"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1467"]
[BlackElo "1601"]
[Annotator "Rudy"]
[PlyCount "43"]
[EventDate "2018.??.??"]

1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. Bd3 d5 5. e5 Nh6 6. O-O O-O 7. Re1 Bg4 (7... f6
) (7... Na6) 8. Nbd2 f6 9. e6 $14 (9. h3 $16 Bxf3 10. Nxf3 fxe5 11. Nxe5 Nf5
12. c3 Nd7 13. Nf3 c5 14. Ng5 cxd4 15. Ne6 Qb6 16. Nxf8 Rxf8 17. Bxf5 Rxf5 18.
cxd4 {Kraai-Shevelev, Western States op, Reno 2002,1-0}) 9... Qc8 10. Qe2 b6 (
10... Bf5 11. c3 Bxd3 12. Qxd3 Na6 13. Nh4 g5 14. Nf5 Qe8 15. Nf1 Nxf5 16. Qxf5
Rd8 17. Ng3 $16 {Stockfish9}) 11. h3 Bf5 12. c4 (12. g4 Bxd3 13. Qxd3 Na6 14.
Nf1 Nc7 15. Qe2 {Stockfish9 keep the Wh position solid; the pawn breaks can
come later after Wh gets all his pieces out, while Bl remains cramped}) 12...
Na6 13. cxd5 Bxd3 (13... Nb4 $11) 14. Qxd3 cxd5 (14... Nb4 15. Qb3 Nxd5 $11 {
Stockfish9}) 15. b3 $2 (15. Qa3 Nc7 16. Nf1 Nxe6 17. Qxe7 Ng5 18. Bxg5 Nf5 19.
Qa3 fxg5 20. Rad1 $14) 15... Nc7 (15... Nb4 16. Qb5 Nc2 $19) 16. Ba3 Re8 17.
Rac1 Qb7 18. Nh4 $16 Rac8 19. Nf1 (19. g4 $16) (19. Nxg6 hxg6 20. Qxg6 Nb5 21.
Bb2 $11 {Stockfish9}) 19... Bf8 $2 (19... f5 $14) 20. Ng3 (20. Nxg6 $1 $18 Qa6
(20... hxg6 21. Qxg6+ Kh8 (21... Bg7 22. Ng3) 22. Bb4 Nxe6 23. Rxe6 Rxc1 24.
Qxe8 Rc8 25. Qg6 Rc7 26. Ng3 Qc8 27. Bxe7 Rxe7 28. Qxf6+ $18) 21. Qxa6 Nxa6 22.
Nxe7+ Bxe7 23. Rxc8 Rxc8 24. Bxe7 Re8 25. Bxf6 $18 {Stockfish9}) 20... Qa6 21.
Qxa6 Nxa6 22. Nf3 $11 {(draw?)} (22. f4 Nc7 23. Bb2 Nb5 24. a4 Nd6 25. Ba3 $16
{Stockfish9}) 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Thomas, Roy"]
[Black "Jones, Martin C"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1706"]
[BlackElo "1769"]
[Annotator "Rudy"]
[PlyCount "94"]
[EventDate "2018.??.??"]

1. f4 d5 2. e3 c5 (2... Nf6) 3. Nf3 Nc6 4. Be2 (4. Bb5 {Main- is an important
move that seeks extra control over e5. Hence why Bl usually delays the Q side
development till the K is out of the way.}) 4... Nf6 5. O-O g6 (5... e6) 6. d3
Bg7 7. Nc3 (7. Qe1 {alternative}) 7... O-O 8. e4 d4 9. Na4 b6 (9... Nd7 10. b3
b5 11. Nb2 Bb7 12. Qe1 Nb4 13. Bd1 Qc7 14. a3 Nc6 15. Bd2 {Thomas-Bullen, S
Wales Summer op, Newport 2015,1-0}) 10. Qe1 (10. b3 Bd7 11. Nb2 b5 12. Rb1 Qc7
13. Bd2 Rad8 14. Qe1 {Thomas-Young, West Wales op, Swansea 2016,1/2-1/2}) (10.
c4 dxc3 11. bxc3 Bb7 12. Qe1 Ba6 13. Nb2 c4 14. d4 Nxe4 15. Bxc4 Bxc4 16. Nxc4
Nxc3 17. Qxc3 Nxd4 18. Kh1 Nxf3 19. Qxf3 Bxa1 {Thomas-Young, Dyfed Open 2016,
0-1}) 10... Nb4 (10... Ba6 11. b3 Ng4 12. Bd1 Ne3 13. Rf2 e5 14. Nxe5 Nxe5 15.
fxe5 Bxe5 16. Rb1 f5 {Thomas-Pearson, Tom Weston Major op , Cardiff 2016,0-1})
11. Bd1 Bd7 12. a3 Na6 13. c4 (13. b3) 13... e6 (13... b5 14. cxb5 Bxb5 15. Ne5
Nd7 16. Nc4 Bxc4 17. dxc4 Nb6 18. Nxb6 Qxb6 19. Bc2 $11 {Komodo11}) 14. Bd2 (
14. e5 Ng4 15. b4 $14 (15. Ng5 Nh6 16. b4 $14 {Komodo11})) 14... b5 15. cxb5
Bxb5 16. Ne5 Nd7 17. Nc4 Bxc4 18. dxc4 Nb6 19. Ba5 (19. Nxb6 axb6 20. e5 f6 21.
Bf3 Rb8 22. exf6 Qxf6 23. Qe4 Nc7 $14 {Komodo11}) 19... d3 $15 20. Nxb6 (20.
Kh1 Qd4 21. e5 (21. Bb3 Nxa4 22. Bxa4 Rab8 23. b3 Qxa1 24. Qxa1 Bxa1 25. Rxa1
Rbc8 $15 26. Bd7 $11) 21... Nxc4 22. Bc3 Qd7 23. b3 Nb6 24. Nb2 Rfd8 25. Rf3 c4
26. bxc4 Nc5 $15 {Komodo11}) 20... Qd4+ 21. Qf2 axb6 22. Bc3 Qxc4 $17 23. Bxg7
(23. Rc1) 23... Kxg7 $19 24. f5 exf5 (24... e5 25. f6+ Kh8 26. Qe3 Rad8 27. Qh6
Qd4+ 28. Kh1 Rg8 29. Rf3 g5 30. Rh3 Qxe4 $19 {Komodo11}) 25. exf5 f6 (25...
Rad8 $19) 26. Qf3 Rad8 $19 (26... Qd4+ $19 27. Kh1 Ra7) 27. Qb7+ Rf7 28. Qc6
Qd4+ 29. Kh1 Rd6 (29... Qxb2 $1 {Komodo11} 30. Bg4 Nc7) (29... c4 {also}) 30.
Qc8 Nc7 31. fxg6 hxg6 32. Rb1 Re7 33. Bg4 Rd8 34. Qb7 Qxg4 (34... Nd5 35. Qa6
Qxg4 {even stronger, Komodo11} 36. Qxd3 Ne3 {mating}) 35. Qxb6 Qd4 (35... Ne6)
36. h3 d2 37. a4 Rd6 38. Qb3 Re3 39. Qb7 Rd7 40. Qb6 Ne6 (40... Nd5) 41. Rbd1
Qe4 42. Qb5 Rxh3+ 43. Kg1 Rhd3 44. Rf3 Qe1+ (44... Nf4 {forces mate, Komodo11})
45. Rf1 Qe3+ 46. Rf2 Ng5 (46... Nf4) 47. Kf1 Ne4 (47... Re7 {quickest} 48. Kg1
Nh3+ 49. gxh3 Qg3+ 50. Kf1 Re1+ 51. Rxe1 dxe1=Q+ 52. Kxe1 Qg1+ 53. Rf1 Qe3#)
0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Van Kemenade, Julie"]
[Black "Orton, Paul"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1692"]
[BlackElo "1608"]
[Annotator "Rudy"]
[PlyCount "57"]
[EventDate "2018.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 (4... Bc5) 5. a3 (5. O-O) 5... O-O 6.
O-O d6 7. c3 (7. h3) 7... h6 (7... Bg4) 8. Bb3 (8. Re1) (8. h3) 8... Be6 (8...
Re8 9. Re1 Bf8 10. h3 a6 11. Nbd2 g6 12. Nf1 Bg7 13. Ng3 {Fransson-Hoffmann,
Lyngby op 1988,1/2-1/2}) 9. Nbd2 (9. Bxe6 fxe6 10. b4 a6 11. Nbd2 $11) 9... Qd7
10. Bc2 d5 11. exd5 {Komodo11} (11. Re1) 11... Nxd5 12. Re1 Bf6 (12... Bd6) 13.
Ne4 Be7 14. Ng3 (14. Ba4 f6 15. d4 $14 {Komodo11}) 14... Bg4 (14... Bd6 15. d4
exd4 16. Qd3 f5 17. Rxe6 Qxe6 18. Nxf5 Rfe8 19. Bd2 $16 {Komodo11}) (14... Rae8
15. Nxe5 Nxe5 16. Rxe5 Bd6 17. Re2 f5 18. Re1 Nf6 $14 {Komodo11, is a relative
of the Marshall gambit in the Ruy}) 15. h3 (15. d4 exd4 16. Qd3 Nf6 17. Nxd4
Nxd4 18. cxd4 Rfe8 $14 {Komodo11}) 15... Bxf3 16. Qxf3 $16 {Wh has gained some
control over the Wh squares} Nf6 (16... f5 17. d4 e4 18. Qh5 Rf7 19. Bb3 Rd8
20. Nf1 (20. f3) 20... Bf8 21. f3 $16 {Komodo11}) 17. Be3 {bringing up more
pieces, Komodo11 has a different way} (17. Nf5 $18 Rfe8 (17... Qd5 18. Qg3 Nh5
19. Qg4 g6 20. d4 Bg5 21. Bxg5 hxg5 22. Qxg5 $18 {Komodo11}) 18. Bxh6 Bf8 (
18... gxh6 19. Qg3+ Ng4 20. Qxg4+ Bg5 21. Nxh6+ Kf8 22. Qxd7) 19. Bg5 g6 20.
Ng3 $18 {Komodo11}) (17. d4 Qd5 (17... exd4 18. Nf5 Rfe8 19. Bxh6 d3 20. Qg3
Nh5 21. Qg4 g6 22. Nxe7+ Rxe7 23. Rxe7 Qxg4 24. hxg4 Nxe7 25. Bxd3 $18 {
Komodo11}) 18. dxe5 Qxf3 19. gxf3 Nd5 20. f4 $18 {Komodo11}) (17. Bb3 $5 {Rudy}
) 17... Qd5 18. Qe2 Rfe8 19. Rad1 (19. b4 a6 20. Rab1 $16 {Komodo11}) 19... Bf8
20. Bb1 (20. Ne4 Nxe4 21. dxe4 Qe6 22. b4 $16 {Komodo11}) 20... g6 (20... Nd4
21. Qd2 Ne6 22. Qc2 Bc5 23. Ne4 Nxe4 24. dxe4 Qc6 25. Bc1 Rad8 26. Ba2 $14 {
Komodo11}) 21. Qd2 Kh7 22. b4 Rad8 23. Ba2 Qd7 24. Qc2 Kg7 (24... Nd5 25. Bc1
$16) 25. Bb1 Ne7 $2 {the Bl pieces are getting in each others way here} (25...
Nd5 26. Bd2 a6 $16 {leaves the postion unclear, though Komodo11 has a plan to
exploit the Wh squares} 27. h4 Qg4 (27... Be7 28. h5 Bh4 29. hxg6 fxg6 30. d4
Qf7 31. Qc1 $16) 28. h5 f5 (28... Nf4 29. d4 Nxh5 30. Re4 Nf4 31. dxe5 $18) 29.
hxg6 f4 30. Ne2 Qxg6 31. Qb3 Qg5 32. d4 $16 {Komodo11}) 26. d4 $18 exd4 (26...
Nfd5 {best try, Komodo11 & Stockfish9}) 27. Bxd4 Qc6 (27... Neg8 28. Rxe8 Qxe8
29. Nh5+ $18 {Komodo11}) 28. Nh5+ gxh5 29. Qh7# 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Jansen Van Rensburg, Leon"]
[Black "Howell, Alun"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1528"]
[BlackElo "1691"]
[Annotator "Rudy"]
[PlyCount "82"]
[EventDate "2018.??.??"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 d6 (4... d5) (4... a6) 5. Bc4 (5. Bb5) (5.
g3) 5... Nf6 6. O-O Be7 7. d3 O-O 8. Qe1 Qc7 {uncommon-the Q may not be best
placed here.} (8... a6) (8... d5) (8... Na5) 9. Qg3 a6 10. a4 Nb4 11. e5 (11.
Bb3 d5 (11... Kh8 {have been played})) 11... dxe5 (11... Nh5 12. Qh3 d5 (12...
Nxc2 13. Rb1 d5 14. Bxd5 exd5 15. Nxd5 Bxh3 16. Nxc7 Be6 17. Nxa8 Rxa8 $19 {
Casas Cobos-Jimenez, Bogota Semana Santa 2012,0-1}) 13. Qxh5 dxc4 14. dxc4 Nxc2
15. Rb1 (15. f5 $11 {Stockfish9}) 15... Bd7 (15... Nd4 $17) 16. f5 $11 {
Fouts-Elezaj, US Open, Chicago 2006,0-1}) 12. fxe5 Ne8 13. Bh6 (13. Rf2 $16 {
Stockfish9}) 13... Nxc2 14. Rac1 Nd4 (14... Nb4 15. Ne4 Nd5 16. d4 $16) 15.
Nxd4 cxd4 16. Ne4 $16 Qd8 (16... Qb8 17. Bb3 Bd7 18. Nf6+ Bxf6 19. Rxf6 Kh8 20.
Rcf1 gxf6 {other moves lose} 21. Bxf8 Qxe5 22. Qxe5 fxe5 23. Rxf7 $16 {
Stockfish9}) 17. Nf6+ $1 $18 Bxf6 18. exf6 {the Q on b8 would have stopped this
} g6 19. Bxf8 Kxf8 20. Qe5 (20. Rce1) (20. Rf4) 20... Qb6 (20... Qd6 21. Qg5
Kg8 22. Rf4 Bd7 23. Rcf1 Bxa4 24. Rh4 Qf8 25. Rh6 Bc2 26. Qh4 Nxf6 27. Rxf6 Qg7
28. Qg5 $18 {Stockfish9}) 21. h4 (21. Qg5 Kg8 22. Rce1 Qd6 23. Re4 b5 24. Ba2
Ra7 25. Rh4 Qf8 26. Rh6 Rc7 27. Qh4 Nxf6 28. Qxf6 $18 {Stockfish9, as in
previous note}) 21... Bd7 22. h5 Bc6 23. b3 (23. Bxe6 $1 $18 Bf3 (23... fxe6
24. hxg6 hxg6 25. f7 Nf6 (25... Ng7 26. Qd6#) 26. Rxf6 $18) 24. hxg6 hxg6 25.
Ba2 Qxf6 26. Qc5+ Qd6 27. Rxf3 $18 {Stockfish9}) (23. hxg6 hxg6 24. Qh2 Kg8 25.
Bxe6 $18 {Stockfish9}) (23. Qg5 Bd7 24. Qh6+ Kg8 25. hxg6 hxg6 26. Rf3 $18 {
Stockfish9}) 23... Rd8 (23... Bd5 24. Bxd5 exd5 25. Rce1 Qd8 26. hxg6 hxg6 27.
Qg5 Kg8 28. Re7 $1 $18 (28. Rf3 $18 {Stockfish9})) 24. hxg6 (24. Bxe6 Bf3 25.
Bxf7 Qd6 26. Qg5 Qxf6 27. Qg3 Kxf7 28. Rxf3 $18 {Stockfish9}) 24... hxg6 25.
Qh2 (25. Bxe6) (25. Rf4 {alternatives}) 25... Kg8 26. Bxe6 $1 Bd5 27. Bxd5 Rxd5
28. Rc8 (28. Rce1 Qd8 29. Qh6 Nxf6 30. Rxf6 $18 {simplest- Stockfish9}) 28...
Qe6 29. Rb8 (29. Qh3 Re5 (29... Qxh3 30. Rxe8+) 30. Qxe6 Rxe6 31. Rf4 g5 32.
Re4 Kf8 33. Rxd4 Rxf6 34. Rdd8 Re6 35. d4 $18 {Stockfish9; Bl must lose the N,
forced when the pawn gets to d7}) 29... Qe3+ 30. Kh1 $4 (30. Rf2 Qc1+ 31. Rf1
Qe3+ $11 {Stockfish9}) 30... Rh5 $19 31. Qxh5 gxh5 32. Rf3 Qe1+ 33. Kh2 Qe5+
34. Rg3+ Kf8 35. Rxe8+ Kxe8 36. Kh3 Qxf6 37. Rf3 Qe6+ 38. Kg3 Qxb3 39. Kh4 Qd5
(39... Qxa4 {ensures two passed Q side pawns, rather thn defend a weak pawn})
40. Rf4 Kf8 (40... Qxg2 $1 41. Kxh5 Qh3+ 42. Kg5 Qxd3 {Stockfish9}) 41. Re4 f6
(41... Qxe4+ 42. dxe4 d3) 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Jones, Dewi"]
[Black "Jones, Gavin"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1512"]
[BlackElo "1658"]
[Annotator "Rudy"]
[PlyCount "57"]
[EventDate "2018.??.??"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Nf6 6. Bg2 Be7 7. O-O O-O 8. c3 {
this gives Bl a target on the Q side for his b pawn} (8. Re1) (8. e5 {main
continuations}) 8... b5 9. e5 Nd7 10. d4 {30% for Wh} (10. Re1 {45 % for Wh})
10... Qb6 (10... a5) 11. Nb3 f6 (11... c4 12. Nbd2 a5 13. Nh4 b4 14. a3 bxc3
15. bxc3 a4 16. Rb1 Qa6 17. f4 f5 18. exf6 Nxf6 19. f5 e5 {Bittner-Golf,
Freudestadt ch U25,1995,1/2-1/2}) 12. Qc2 (12. exf6 $16 Nxf6 13. dxc5 Bxc5 14.
Nxc5 Qxc5 15. Be3 Qe7 16. b4 Bd7 17. Bc5 {Rhodes-Robbins, 4NCL 2005,1-0}) 12...
c4 (12... fxe5 13. Nxc5 Nxc5 14. dxc5 Bxc5 15. Ng5 e4 $15 {Komodo11}) 13. exf6
$2 (13. Nc5 Ncxe5 14. Nxe5 fxe5 15. Nxd7 Bxd7 16. dxe5 b4 $15 {Komodo11}) 13...
cxb3 $19 14. Qe2 Nxf6 15. Ng5 (15. axb3) 15... Nd8 (15... bxa2 $19 16. Nxe6 Re8
{Komodo11}) 16. Qd3 Nf7 17. f4 (17. Nxf7 Rxf7 18. axb3 a5 $19) 17... Bb7 18.
Bh3 Nxg5 19. fxg5 Ne4 $19 20. Bf4 Nxg5 (20... bxa2) (20... Bxg5) 21. Bxg5 Bxg5
22. axb3 e5 23. Rf5 (23. Kh1) 23... Rxf5 24. Qxf5 Be3+ 25. Kh1 Bc8 $2 (25...
exd4 $19) (25... Qf6 26. Qxe5 Qxe5 27. dxe5 Re8 28. e6 d4+ 29. Bg2 Bxg2+ 30.
Kxg2 d3 $19) 26. Qxe5 Bxh3 27. Qxd5+ Qe6 28. Qxa8+ Kf7 (28... Qc8 29. Qxc8+
Bxc8 30. h4 $16) 29. Rxa7+ $18 1-0

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Denham, Colin"]
[Black "Andrews, Norman G"]
[Result "1/2-1/2"]
[ECO "B34"]
[WhiteElo "1653"]
[BlackElo "1642"]
[Annotator "Rudy"]
[PlyCount "70"]
[EventDate "2018.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 {this gives Bl a useful b
file & a grip on d5} (5. Nc3) (5. c4) 5... bxc6 6. Bc4 (6. Qd4 {most frequent,
but} Nf6 7. e5 Nd5 8. e6 f6 9. exd7+ Bxd7 10. Bc4 e5 {works out fine for Bl})
6... Nf6 (6... Bg7 7. O-O d6 {main}) 7. Nc3 (7. e5 Qa5+ {wins e pawn}) 7... e5
{rare} (7... Bg7 8. e5 Ng8 9. Qf3 {is very good for Wh, who can gambit the e5
pawn for a rapid offensive}) (7... Qc7 8. O-O Bg7 {looks fine for Bl}) 8. a3 {
novelty, looks logical to prevent Bb4} (8. f3) (8. O-O) (8. Bg5 {played,
together 4-0}) 8... Bg7 9. O-O Qc7 10. Qe2 O-O 11. Kh1 (11. Be3 $14 {Komodo11})
11... Nxe4 $5 (11... d6 12. Rd1 Be6 $11 {Komodo11}) 12. Bxf7+ $6 (12. Qxe4 d5
13. Nxd5 cxd5 14. Bxd5 Rb8 15. c4 $18 {& Wh is a pawn up}) 12... Rxf7 13. Nxe4
d5 $17 {now Bl has a centre and good Bs} 14. Ng3 (14. Ng5 Rf8 15. Be3 e4 16. c3
Rb8 $17 {Komodo11}) 14... a5 $19 (14... Qb6 $19 {Komodo11, even stronger}) 15.
Re1 a4 (15... Ba6 16. Qe3 e4 17. Qc5 Raf8 $19 {Komodo11}) 16. Rb1 Ba6 17. Qd2
Qb6 (17... e4 $19 {Komodo11}) 18. f3 Raf8 19. Qb4 Qc7 (19... Qf2 $17) 20. Qxa4
$11 {the extra pawn is just enough compensation for Bl's central dominance} Bb5
21. Qb4 Bc4 22. Qc5 (22. b3) 22... Rb8 23. b3 Ba6 24. Qg1 (24. a4 $11) 24...
Bc8 25. a4 c5 26. Ba3 c4 27. b4 (27. Qc5 $14) 27... Ra8 28. a5 Qc6 (28... h5)
29. c3 (29. b5 $16 {Komodo11}) 29... Ba6 {now a barricade is in force} 30. Bb2
Bb5 31. Ne2 Qd7 32. Rbd1 Ba4 33. Ra1 Bb5 34. Rad1 Ba4 35. Ra1 Bb5 1/2-1/2

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Hurn, Robert AJ"]
[Black "Miller, John S"]
[Result "0-1"]
[ECO "E85"]
[WhiteElo "1592"]
[BlackElo "1648"]
[Annotator "Rudy"]
[PlyCount "82"]
[EventDate "2018.??.??"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 O-O 6. Be3 e5 7. Nge2 (7. d5 {
alternative} Ne8 8. g4 Bf6 9. Qd2 Bh4+ 10. Kd1 f5 {Greatorex-Miller, Dyfed
open Rd2,1-0}) 7... Nc6 (7... c6) (7... Nbd7) (7... Ne8 8. d5 f5 9. Qd2 a6 (
9... f4) 10. Bh6 $2 Qh4+ {Hurn- Jaberansari, S Wales International 2017,0-1})
8. d5 Ne7 9. Qd2 Ne8 10. g4 a6 (10... f5) 11. Ng3 (11. h4) 11... f5 12. gxf5
gxf5 13. Bh6 (13. Bg5) 13... f4 14. Bxg7 Nxg7 15. Nge2 Ng6 16. O-O-O (16. Nc1
Qh4+ 17. Kd1 {a manouevre quite often employed by Dave Buttell in similar
positions} Qh5 18. Qf2 Nh4 19. Be2 Rf6 20. Nd3 $11 {Komodo11}) 16... Nh4 17.
Ng1 $11 Kh8 18. Qf2 Rg8 19. Bh3 {getting rid of the bad B is a good idea, even
though Komodo11 prefers Nh3} Qg5 $15 20. Bxc8 Raxc8 21. Rd2 Rcf8 22. Nh3 (22.
Qf1 Nh5 23. b3 Rg7 24. Nh3 Qf6 25. Rg1 $15 {Komodo11}) 22... Qh5 $17 23. Ng1 (
23. Rd3 Ne8 24. Nd1 Rg2 25. Qf1 Nf6 $17 {Komodo11}) 23... Ne8 24. Qf1 Rg6 25.
Rf2 Rfg8 26. Nce2 (26. Nge2 {looks better , though} Rg2 $17) 26... Ng2 $19 (
26... Rg2 $19) 27. b3 Nf6 (27... Ne3 28. Qe1 Rg2) 28. h4 Qh6 (28... Nd7 29. Kd2
Ne3 30. Qa1 Rg2 $19 {Komodo11}) 29. Kb2 Nh5 (29... Ne3 30. Qe1 Rg2 $19) 30. Ka3
Ne3 31. Qh3 Ng3 (31... Qg7 $1 {Komodo11, Wh scarcely has a move} 32. Rf1 Rg3
33. Nxg3 fxg3 34. Ne2 g2 35. Rfg1 Nf4 36. Rxg2 Nfxg2 {is Komodo11's suggested
best sequence for Wh}) 32. Rhh2 Qg7 33. Nc3 Ngf1 34. Rh1 Rxg1 35. Rxg1 Qxg1 36.
Re2 (36. Qe6 {trying for a perpetual} Rf8 37. Qe7 Qg7 38. Qe6 Rg8 $19 {Komodo11
}) 36... Ng3 (36... Nd2 $1 37. Kb2 Nd1+ 38. Nxd1 Qxd1 39. Rg2 Qb1+ 40. Kc3 Qc1+
41. Kb4 Rxg2 42. Qxg2 Nb1 {mating, Komodo11}) 37. Rb2 Nh5 (37... Qc1 $1 {
Komodo11, pins everything down.}) 38. Qd7 Qc1 39. Qxc7 Nc2+ 40. Ka4 Qxb2 41.
Nb5 Qxa2+ 0-1

[Event "Dyfed Open"]
[Site "?"]
[Date "2018.02.18"]
[Round "5"]
[White "Fowler, Caspian"]
[Black "Morgans, Justin"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1370"]
[BlackElo "1668"]
[Annotator "Rudy"]
[PlyCount "96"]
[EventDate "2018.??.??"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 a6 (4... Nf6 {main}) 5. Nc3 Nf6 6. Nf3 e6
7. Bd3 Be7 8. O-O O-O 9. Bb1 {a committal move , very early. There are many
more flexible moves that can be played} (9. Qe2) (9. Qc2) (9. Bg5) (9. h3 {
waiting to see what Bl might choose to do}) 9... Nc6 {trying for e5 & mate} 10.
Qc2 {trying for e5 & win of piece or mate} (10. a3 {transposes , 3.5-0.5})
10... e5 {end of idea} 11. h3 (11. d5 Nb4 12. Qd1 a5 $14) 11... Bd7 (11... Nxd4
12. Nxd4 exd4 13. Ne2 Qb6 14. Rd1 Bd7 15. Rxd4 Rac8 16. Qd1 $11 {Stockfish9})
12. Be3 Rc8 13. a3 b5 14. Qd3 g6 (14... Re8 15. Ba2 exd4 16. Nxd4 Ne5 17. Qd2
Nc4 18. Bxc4 Rxc4 19. Rfe1 Qb8 $11 {Stockfish9}) 15. Bd2 (15. Ba2 {looks
better, increasing B power , rather than diminishing it}) 15... Re8 16. Bg5 Nh5
(16... exd4 17. Nxd4 Ne5 18. Qe2 Nc4 $11 {Stockfish9}) 17. Bxe7 Qxe7 18. Nd5
Qd8 19. Qe3 Ne7 (19... Be6 $15 20. Ba2 Nxd4 21. Nxd4 Bxd5 22. Bxd5 exd4 23.
Qxd4 Nf4 24. Qa7 Qf6 $15 {[%eval 0,0] Stockfish9- the Q & N cooperate better
than the Q &}) 20. dxe5 (20. Nc3) 20... Nxd5 21. exd5 dxe5 22. Ba2 {the B has
not performed all too well so far} Qf6 (22... Nf4) 23. b4 Nf4 $15 24. Nd2 {to
drive the Q away, but a good square calls} Qg5 $19 25. Qf3 Nxh3+ 26. Kh1 Qxd2
$19 27. gxh3 Rc3 28. Qf6 Rxh3+ {the Wh K side is broken open} 29. Kg1 Qf4 {
forcing a Q swap, when Bl is a couple of pawns up & should be winning, but
there must be mates around with the Wh K so exposed. In fact, even without Qs
there are still several mating possibilities for Bl} (29... Qe2 {quickest
mate-Stockfish9} 30. Qg5 Bg4 31. Qf6 Qf3 32. Qxf3 Bxf3 33. d6 Rh1#) (29... Qd4
30. Qg5 Bg4 31. Kg2 Qe4+ 32. f3 Qe2+ 33. Rf2 Rh2+ 34. Kxh2 Qxf2+ 35. Kh1 Bxf3+
36. Qg2 Qxg2#) (29... Qh6 {also works} 30. Kg2 Rh2+ 31. Kf3 Bg4+ 32. Ke4 (32.
Kxg4 Qh3+ 33. Kg5 Qh5#) 32... Qd2 33. Rad1 Qe2#) 30. Qxf4 exf4 $19 31. d6 f3 (
31... Re5 {mating, Stockfish9, eg} 32. Rfe1 Bc6 33. f3 Rg3+ 34. Kf1 Rxf3+ 35.
Kg1 Rg5+ 36. Kh2 Rf2+ 37. Kh3 Rg3+ 38. Kh4 Rh2#) 32. Rfe1 Re2 33. Rec1 Rd2 {
going for a pawn} (33... Re4 {forces mate}) 34. Rd1 Rxd1+ (34... Re2 35. Re1
Rg3+ $1 36. fxg3 f2+ 37. Kf1 fxe1=Q+ 38. Rxe1 Rxa2 $19 {Stockfish9}) 35. Rxd1
Rh4 (35... g5 36. Re1 Rh6 37. Re7 Rxd6 38. Rxf7 Kh8 39. Bb3 h5 $19 {Stockfish9}
) 36. Re1 (36. Rd3 Kf8 37. Rxf3 Bf5 38. Rc3 Rd4 39. Rc7 Rd2 40. Rxf7+ Ke8 41.
Re7+ Kd8 42. Bg8 h5 $17 {this pawn could become dangerous for Wh, as the Bl B
can guard the Qing square}) 36... Rd4 37. Re7 Rxd6 38. Rxf7 Kh8 39. Rxf3 Bf5
$19 40. Kh2 Rd3 {Bl's R is better than the Wh one, since it has attacing
chances against the K, wheras the Wh one has none. So Bl should keep them on.
Bl is a pawn up, but his Q side pawns might fall prey to a B, so again a Bl R
on the board can avoid that possibility} (40... Rd2 41. Bb3 h5 $19) 41. Rxd3
Bxd3 42. Bd5 $11 Kg7 43. Bb7 Bf5 44. Bxa6 Bd7 {if the B had stayed on the d3
diagonal, then a4 would be a serious threat} 45. Bb7 Kf6 46. Kg3 g5 47. f4 h5
48. fxg5+ Kxg5 {Bl cant remove the Wh K from sitting on the Bl squres; &
should the Bl K try to get to the Q side to attack a3 & b4, then Wh can just
play Ba6 & xb5, when near the h pawn to remove that next.} 1/2-1/2

