[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.1"]
[White "Williams, A. Howard"]
[Black "Buttell, David"]
[Result "1-0"]
[ECO "A77"]
[WhiteElo "2268"]
[BlackElo "1793"]
[Annotator "kemen"]
[PlyCount "115"]
[EventDate "2019.??.??"]

{[%evp 0,17,18,16,29,-10,28,25,49,28,18,65,79,74,102,122,107,106,85,70]} 1. d4
Nf6 2. c4 c5 3. d5 e6 4. Nf3 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 O-O 9.
O-O a6 10. a4 Re8 (10... Bg4 {alterrnative}) 11. Nd2 Nbd7 12. f3 (12. Qc2)
12... Rb8 13. Nc4 Ne5 14. Ne3 g5 {Stockfish10} 15. Nc4 $146 (15. Qc2 h6 16. Bd2
Nh5 17. g3 Nf6 18. f4 gxf4 19. Rxf4 Ng6 20. Rf2 $11 {Berrios Pagan-Malagon,
Skopje ol 1972,1-0}) (15. Nf5 Bxf5 16. exf5 h6 17. f4 gxf4 18. Rxf4 Qd7 19. a5
b5 20. axb6 Rxb6 21. Rxa6 Rxa6 22. Bxa6 Qa7 23. Bb5 c4+ 24. Kf1 Rc8 25. h3 Qc5
{Konovaltsev-Aleksandrov, Moscow ch 1971,0-1} (25... Nd3 $19)) (15. a5 $16)
15... Nxc4 {Stockfish10} (15... Nh5 16. Ne3 Nf4 $15 {Stockfish10}) 16. Bxc4 Nd7
(16... Nh5 $15 {Stockfish10}) 17. f4 Nb6 {gets in the way of the Q side} (17...
gxf4 18. Bxf4 Ne5 $11) 18. Bd3 (18. Be2 $18 {Stockfish10} g4 19. a5 Nd7 20.
Bxg4) 18... g4 19. a5 Na8 (19... Nd7 20. e5 dxe5 21. f5 $16 {Stockfish10}) 20.
e5 $18 (20. f5 $18) 20... dxe5 (20... f5 21. e6 $18 {may be best try
-Stockfish10}) 21. f5 h5 (21... e4 $5) 22. Ne4 (22. f6 $1 {Stockfish10 opens
up lines} Bxf6 23. Ne4 Bg7 24. Bg5 Qc7 {giving up the Q may be best} 25. Nf6+
Kf8 26. Qd2 e4 27. Bh6 $18 {Stockfish10}) 22... Qxd5 23. f6 Qd4+ 24. Kh1 Rd8
25. Ra3 (25. Qe1 Qxd3 26. fxg7 Bf5 27. Nf6+ Kxg7 28. Nxh5+ Kg6 29. Ng3 Be6 30.
Qxe5 $18 {Stockfish10}) (25. fxg7 $1 Qxe4 26. Bxe4 Rxd1 27. Rxd1 Nc7 28. Rd6
Be6 29. Bh6 $18 {Stockfish10}) 25... Qxe4 26. Bxe4 (26. fxg7 Bf5 27. Bxe4 Rxd1
28. Rxd1 Bxe4 29. Re3 f5 30. Rc3 Kxg7 31. Rxc5 Re8 32. Rd7+ $18 {Stockfish10})
(26. Qd2 $1 Qg6 27. Bxg6 Rxd2 28. Bxf7+ Kxf7 29. fxg7+ Kxg7 30. Bxd2 $18 {
Stockfish10- maximising gains & leaving the remaining Bl pieces in a helpless
huddle}) 26... Rxd1 27. Rxd1 Bxf6 28. Be3 Be7 (28... Be6 29. Bxc5 Nc7 $14 {
Bl has 2 pawns for the exchange, but there are gaps in his defences}) 29. Rc3
$18 Be6 30. Bxc5 Bxc5 31. Rxc5 Kg7 (31... f6 32. b4 Kg7 33. b5 $18 {Stockfish10
}) 32. Rxe5 h4 33. Kg1 (33. Rc1) 33... Nc7 34. Kf2 f5 35. Bxf5 Rf8 (35... Kf6
36. Rc5 Bxf5 37. Rxc7 Be4 38. Rd6+ Ke5 39. Rd2 Bc6 40. Rh7 $18) 36. Rc1 Kf6 37.
Re3 Kxf5 38. Rxc7 Kg6+ 39. Kg1 Bd5 40. Rc5 Bc6 41. Ree5 (41. Re6+ Kg7 42. Rc4)
41... Rf4 42. g3 (42. b3 Rb4 43. Rc4 Rxb3 44. Rxg4+ Kf6 45. Rh5 {Stockfish10})
42... hxg3 43. hxg3 Rb4 44. Re6+ (44. b3) 44... Kf7 45. Re2 Kf6 46. Kf2 (46.
Rec2 Bf3 47. R5c4 Rb3 48. Rf4+ Ke5 49. Kf2 Ke6 50. Rd4 Ke5 $18 {Stochfish10,
going round in circles, there are great technical difficulties in making Wh's
exchange win as all Bl weak points are covered}) 46... Rb3 47. Rc3 Rb5 48. Rc4
(48. Ra3) 48... Bf3 $16 49. Rf4+ Kg5 50. Rc2 Bc6 (50... Rxa5 $16 {Stockfish10}
51. Rxf3 gxf3 52. Kxf3 Rb5 $11) 51. b4 $18 Re5 52. Rc5 Rxc5 53. bxc5 Bd5 54.
Ke3 Bc6 55. Kd4 Bb5 56. Ke5 Bd7 57. Rf7 Bc6 58. Rg7+ (58. Rg7+ Kh5 59. Kf6 Kh6
60. Rxg4 $18) 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.2"]
[White "Haigh, Tony"]
[Black "Jones, Iolo C"]
[Result "1/2-1/2"]
[ECO "E30"]
[WhiteElo "1793"]
[BlackElo "2205"]
[Annotator "kemen"]
[PlyCount "111"]
[EventDate "2019.??.??"]

{[%evp 0,111,72,16,33,3,-3,-3,-3,-35,-5,-65,-50,-52,-81,-77,-17,-20,-12,-18,
-13,-17,-16,-16,-9,-12,-16,-39,18,14,13,18,32,19,29,23,20,23,30,22,19,18,27,27,
33,30,48,0,0,-15,-16,-18,-16,-18,-17,-12,0,0,0,-7,-14,-14,-10,-11,-3,-28,-22,
-27,-24,-41,-40,-11,-5,-11,0,-3,0,-34,-2,-34,-20,-34,4,32,9,19,27,20,60,40,40,
34,29,23,29,24,26,19,15,12,15,18,14,14,14,14,20,4,3,3,3,0,0,0]} 1. d4 Nf6 2. c4
e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. Rc1 (6. d5 {main, when Bl can play} d6 (
6... Bxc3+) (6... b5)) 6... cxd4 7. Qxd4 Nc6 8. Bxf6 Qxf6 (8... Nxd4 9. Bxd8
Kxd8 10. e3 {main}) 9. Qxf6 gxf6 10. a3 Be7 11. Nf3 $146 (11. e3 f5 {main}) (
11. Nb5 O-O 12. Rd1 a6 13. Nd6 Ne5 14. e3 Bxd6 15. Rxd6 Rb8 16. c5 $14 {
Schindler-Slavin,, IECC KO email 2001,1-0}) 11... O-O 12. g3 b6 13. Bg2 Bb7 14.
O-O Rac8 15. Rfd1 d6 16. Nb5 Rfd8 17. Nfd4 Nxd4 18. Nxd4 Bxg2 19. Kxg2 f5 $11
20. e3 Rd7 21. b3 a6 22. a4 Rdc7 23. Rc2 (23. Ne2 $11) 23... d5 24. Rdc1 Ba3
25. Ra1 Bd6 26. Rac1 dxc4 (26... Ba3 {would save a lot of effort}) 27. Rxc4
Rxc4 28. Rxc4 Rxc4 29. bxc4 $11 Kf8 30. Kf3 Ke7 31. h3 Kf6 32. Ke2 (32. Nc6 e5
33. e4 Ke6 34. exf5+ Kd7 35. c5 Kxc6 36. cxd6 Kxd6 37. g4 b5 38. axb5 axb5 39.
Ke4 Kc5 40. h4 $11 {Komodo12- If the Bl K goes in support of its pawn, then Wh
has a g5 break}) 32... e5 33. Nb3 Ke6 34. f4 f6 35. Kf3 $11 Bc7 (35... Bb4) 36.
Ke2 Bd6 37. Kf3 (37. fxe5 fxe5 38. Kf3) (37. Kf2) 37... Bb4 38. Ke2 Kd6 39. Kf2
Kc6 40. Ke2 h5 41. fxe5 fxe5 42. e4 fxe4 (42... f4 43. gxf4 exf4 44. Nd4+ (44.
e5 Bc3 45. e6 Bf6 46. Kf3 Kd6 47. Kxf4 Kxe6 48. c5 b5 49. axb5 axb5 50. Ke4 $11
) 44... Kd6 (44... Kd7 45. Kf3 Kd6 46. e5+ Kc5 47. Nf5 Kxc4 48. e6 b5 49. axb5
axb5 50. Kxf4 Bf8 51. e7 Bxe7 52. Nxe7 $18 {Nalimov tablebases}) 45. e5+ Kd7
46. Kd3 Bc5 47. Nf3 Be3 48. Ke4 Ke6 49. Ng5+ Kd7 50. h4 Bf2 51. Nh3 Bxh4 52.
Nxf4 Kc6 53. Nxh5 Kc5 54. Kd3 b5 55. cxb5 axb5 56. axb5 Kxb5 $11) 43. Ke3 Be1 (
43... Kd6 44. Kxe4 Ke6 45. g4 hxg4 46. hxg4 Kf6 47. Kd5 a5 48. Kc6 Kg5 49. Kxb6
e4 50. Nd4 e3 51. c5 Bc3 52. Nc2 e2 53. c6 Be5 54. Kxa5 $18 {Komodo12}) 44. g4
hxg4 45. hxg4 Kd6 46. Kxe4 Ke6 47. Nc1 (47. c5 Bf2 (47... bxc5 48. Nxc5+ Kf6
49. Nxa6 Kg5 50. Kf3 e4+ $11) 48. c6 Bh4 49. Nd2 b5 50. axb5 axb5 51. Nf3 Bf6
52. c7 Kd7 53. Kf5 Bh8 54. Nxe5+ Bxe5 55. Kxe5 b4 56. Kd4 b3 57. Kc3 Kxc7 $11 {
Komodo12}) 47... Kf6 48. Nd3 Bc3 49. g5+ (49. Kd5 Bd4 50. Nb4 a5 51. Nc6 Bc3
52. Ke4 Bb2 53. c5 bxc5 54. Nxa5 Kg5 55. Nc4 Bc3 56. Nxe5 c4 57. Nxc4 Kxg4 $11)
49... Kxg5 50. Nxe5 b5 51. cxb5 axb5 52. axb5 Kf6 $2 (52... Ba5 {is the only
move to draw-Nalimov tablebases; and Bl has to be absolutely accurate in reply}
53. Nc4 Bc7 {other moves lose} (53... Bd8 54. Ke5 Bc7+ 55. Ke6 Bf4 (55... Kf4
56. Kd7 Bb8 57. b6 Ke4 58. Kc6 Kd4 59. Nd6 Ke5 60. Nb5 Ke6 61. Nc7+ Ke7 62. Kb7
) 56. b6 Bb8 57. Ne5 Kh6 58. Nc6 Bh2 59. Ne5 Bg1 60. b7 Ba7 61. Nc6 $18) 54.
Kd5 Bb8 (54... Kf5 55. Nd6+ $18) 55. b6 Kf6 56. Kc6 Ke7 57. Kb7 Bf4 58. Kc8 Ke6
(58... Ke8 {loses}) 59. b7 Kd5 60. Nb6+ Kc6 61. Na8 Be5 $11) 53. Nc4 $11 (53.
Nc6 $1 {wins in 22-Nalimov} Bb2 54. b6 Ba3 55. Kd5 Bc1 56. Kd6 Bf4+ 57. Kd7 Kf7
58. Kc8 (58. Ne7 Be5 59. b7 Bb8 60. Kc8 Bd6 61. Nd5 Ke6 62. Nc7+ $18) 58... Ke8
59. b7 Bd6 60. Na7 Bf4 61. Nb5 Ke7 62. Nc7 $18) 53... Ke6 54. b6 Be1 55. b7 Bg3
56. b8=Q 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.3"]
[White "Zeidler, Sven P."]
[Black "Chong, Kimberly"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2149"]
[BlackElo "1720"]
[Annotator "kemen"]
[PlyCount "49"]
[EventDate "2019.??.??"]

{[%evp 0,16,21,25,13,9,6,-42,-22,8,19,-17,-17,24,65,83,83,83,81]} 1. e4 e5 2.
Nf3 Nc6 3. c3 Nf6 4. d4 exd4 (4... Nxe4 {main}) 5. e5 Qe7 (5... Nd5) (5... Ne4)
6. cxd4 Ne4 (6... d6) 7. Nc3 Nxc3 8. bxc3 d5 (8... d6) 9. Qb3 {2-0} (9. Bd3 {
2-0}) 9... Qd8 {Deep Fritz14} (9... Qd7 {played; Stockfish5}) (9... Qe6 {
Stockfish10}) 10. Bd3 $16 Be7 11. O-O O-O 12. Re1 Na5 13. Qc2 g6 (13... h6 14.
Qd1 Bg4 15. Bc2 f5 16. Qd3 Bh5 17. Rb1 b6 18. e6 $16 {Stockfish10}) 14. Bh6 $18
(14. h4 $18) 14... Re8 15. e6 {kills the K side} Bf6 16. exf7+ Kxf7 17. Rxe8
Qxe8 18. Re1 Qc6 19. Qe2 Bd7 (19... Qe6 20. Qd2 Qd6 21. Bg5 (21. Ng5+) 21...
Kg7 22. Re8 $18 {Stockfish10}) 20. Ne5+ Bxe5 21. Qxe5 Qf6 22. Qxd5+ Be6 23.
Qxa5 b6 24. Qb5 Re8 25. d5 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.4"]
[White "Thomas, Roy"]
[Black "Heap, Gerry"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1719"]
[BlackElo "2095"]
[Annotator "kemen"]
[PlyCount "43"]
[EventDate "2019.??.??"]

{[%evp 0,17,28,-17,3,-14,-4,11,56,44,35,28,20,19,-4,1,-14,-35,-16,-21]} 1. f4
g6 2. Nf3 Bg7 3. e4 c5 4. Nc3 Nc6 5. Be2 d6 6. O-O Nf6 (6... e6) 7. d3 O-O 8.
Qe1 Nd4 9. Bd1 Rb8 (9... Bg4) 10. Bd2 $146 (10. Qh4 {main}) (10. a4 {Cloud
Engines}) 10... b5 {Fritz13} (10... Nc6 11. Be2 b5 {Stockfish10}) 11. a3 (11.
Nxd4 {Fritz13 & Stockfish10}) 11... Bg4 12. Nxd4 cxd4 13. Ne2 $14 e5 {Fritz13}
(13... Nd7 {Stockfish10}) 14. c3 (14. Kh1 $14 {Stockfish10}) 14... dxc3 15.
Bxc3 Nh5 16. f5 Qb6+ 17. Kh1 $16 Bh6 (17... Bxe2 18. Bxe2 Nf4 19. Qd2 $16 {
Stockfish10}) (17... Rbc8 18. h3 Bxe2 19. Bxe2 Nf4 {Fritz13} 20. f6 {
Stockfish10}) 18. Qh4 $18 {both Engines} Bxe2 19. Bxe2 Qe3 20. Bxh5 gxh5 (20...
Bg5 {both Engines} 21. Qh3 (21. Qg4 gxh5 22. Qxh5 f6 23. Rad1 $18) 21... Qxh3
22. gxh3 gxh5 23. Rg1 f6 24. h4 $18) 21. Rf3 Qe2 22. Rg3+ 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.5"]
[White "Waddington, Mike P"]
[Black "Greatorex, Roger"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2074"]
[BlackElo "1713"]
[Annotator "kemen"]
[PlyCount "78"]
[EventDate "2019.??.??"]

{[%evp 0,15,28,-14,-14,-16,5,-10,34,53,48,7,21,28,39,1,25,-49]} 1. c4 e6 2. Nc3
d5 3. e3 c6 4. Nf3 Nf6 5. b3 Be7 6. Bb2 O-O 7. Qc2 Nbd7 8. g4 (8. d4) (8. Be2 {
main lines}) 8... Nxg4 9. Rg1 f5 10. h3 (10. Be2 Nge5 11. Nxe5 Nxe5 12. Nxd5
cxd5 13. Bxe5 Bf6 14. Qc3 Bxe5 15. Qxe5 Qf6 16. d4 Qxe5 17. dxe5 dxc4 18. Bxc4
{Aloma Vidal- Castell Contero, Palma de Mallarca open 2008,1-0}) 10... Nge5 11.
Be2 Nxf3+ 12. Bxf3 Bf6 $15 13. O-O-O dxc4 14. bxc4 Ne5 (14... e5) 15. Be2 Bd7
16. f4 Ng6 17. d4 Qa5 (17... b5 $17 {Komodo12}) 18. Qa4 (18. Qb3) 18... Qc7 (
18... Qxa4 19. Nxa4 b6 $17) 19. Qb3 b5 20. cxb5 cxb5 21. Kb1 a6 (21... b4 $17 {
Komodo12}) 22. Rc1 Qa7 (22... Qb7) 23. Ka1 Rac8 24. Bd3 Kh8 25. Ne2 Rxc1+ 26.
Rxc1 Qb7 27. Ba3 Rc8 28. Rxc8+ Qxc8 29. Bc5 $2 Qxc5 30. Qb2 Qc6 31. a4 Ne7 (
31... bxa4) 32. axb5 axb5 33. Nc3 Qb6 (33... Qh1+ 34. Ka2 Qxh3) 34. Nxb5 Bxb5 (
34... Nd5) 35. Bxb5 Qa5+ 36. Kb1 Qe1+ (36... h6) 37. Ka2 Qxe3 38. Bc4 h6 (38...
Nc6) (38... Bxd4) 39. Qb8+ Kh7 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.6"]
[White "Van Kemenade, Julie"]
[Black "May, Frank"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1704"]
[BlackElo "2069"]
[Annotator "kemen"]
[PlyCount "30"]
[EventDate "2019.??.??"]

1. e4 e6 2. d3 d5 3. Qe2 dxe4 4. dxe4 Nc6 5. Nf3 Bc5 (5... e5 {main}) 6. g3
Nge7 (6... Nf6 {main}) 7. Bg2 (7. c3) 7... O-O 8. O-O e5 9. Nbd2 (9. Rd1 {main}
) 9... Bb6 (9... b6 {Stockfish10}) 10. h3 (10. Nc4 $14) (10. c3 $14 {both
Stockfish10}) 10... Ng6 11. c3 Qe7 12. Nc4 (12. b4 Be6 13. a4 a5 14. b5 Nb8 15.
Nc4 Nd7 16. h4 Bg4 17. Ne3 Bxe3 18. Qxe3 Rfe8 $14 {Stockfish10}) 12... h6 13.
Ne3 (13. a4 Be6 14. b4 a6 15. Ba3 Qf6 16. Nxb6 cxb6 17. b5 Nce7 18. Nd2 $16 {
Stockfish10}) (13. Be3 Na5 14. Nfd2 Nxc4 15. Nxc4 Bd7 16. a4 Bxe3 17. Nxe3 c6
18. Nf5 $14 {Stockfish10}) 13... Bxe3 14. Bxe3 Rd8 15. Nh2 f6 {(draw?)} (15...
f6 16. f4 $14) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.7"]
[White "Richmond, Jane"]
[Black "Philpin, Les"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2066"]
[BlackElo "1702"]
[Annotator "kemen"]
[PlyCount "73"]
[EventDate "2019.??.??"]

{[%evp 0,75,25,25,41,32,36,38,54,31,33,42,37,39,18,18,22,16,45,14,38,10,-1,43,
31,-25,-14,-14,26,26,26,-6,71,102,85,35,179,14,132,142,351,169,171,28,118,150,
139,139,235,239,235,250,295,281,326,300,332,179,347,347,792,792,811,810,817,
828,928,756,869,893,895,917,856,897,969,716,829,680]} 1. e4 e6 2. d4 d5 3. Nc3
Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 {Alekhine-Chatard gambit, seldom accepted} Bxg5
(6... a6) 7. hxg5 Qxg5 8. Qd3 (8. Nh3 {the older line}) 8... f5 (8... g6) (8...
h6) 9. exf6 Nxf6 10. Nf3 (10. Nb5 Na6 11. Nf3 Qf5 12. Qc3 Ne4 13. Qa3 Ng5 14.
Ne5 Qe4+ 15. Be2 Rf8 16. Qg3 h6 17. Nd3 Bd7 18. a4 Rf6 19. Rh4 Qh7 {
Svent-Dedijer,EU ch girls U18, Budva 2003,1-0}) 10... Qf5 11. O-O-O (11. Qb5+
c6 12. Qb3 Ne4 13. Nxe4 Qxe4+ 14. Be2 Nd7 15. Rh4 Qf5 16. Bd3 Qf6 17. O-O-O {
Marks-Roy, Edinburgh op 2011,1/2-1/2}) (11. Qd2 Ne4 12. Qe3 $14) 11... Qxd3 12.
Bxd3 Nc6 (12... Bd7) 13. Nb5 Kd7 $11 14. Rh4 a6 15. Nc3 h6 (15... Ke7 $11) 16.
Ne5+ Nxe5 17. dxe5 Ne8 (17... g5 18. Ra4 Ng8 $11 {Stockfish10}) 18. Bg6 (18.
Rf4 $16 {Stockfish10}) 18... Ke7 (18... Rf8) 19. Rg4 Rg8 (19... Bd7 $14) 20.
Rd3 $18 {Bl has got behind in development & effective piece placement} (20. Ne2
$18) 20... Bd7 21. Rdg3 (21. Rf3 $18) 21... b5 (21... c5) 22. Bxe8 (22. Ne2 $18
) 22... Bxe8 (22... Raxe8) 23. Rxg7+ Rxg7 24. Rxg7+ Kd8 25. Ne2 $18 {Bl has a
bad B, no R in play& K side pawn weaknesses} Rb8 26. Rh7 h5 27. Nf4 Rb6 28.
Nxh5 (28. b4) 28... Bxh5 29. Rxh5 c5 30. f4 (30. g4 {pushing the passed pawn})
30... Ke8 31. Rh6 (31. Rh7) 31... d4 32. f5 Ke7 33. g4 (33. f6+) 33... c4 34.
Kd2 a5 35. g5 Kf7 36. g6+ Kg8 37. f6 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.8"]
[White "Parri, Deio"]
[Black "Byway, Paul V"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "1659"]
[BlackElo "2060"]
[Annotator "kemen"]
[PlyCount "100"]
[EventDate "2019.??.??"]

{[%evp 0,20,25,19,33,-16,3,-3,-4,-11,17,-10,17,12,35,8,33,-15,3,2,-4,12,12]} 1.
d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. e3 O-O 6. Bd3 b6 7. O-O Bb7 8. Qc2 c5
9. cxd5 exd5 10. b3 Nbd7 (10... Nc6) 11. Bb2 Rc8 12. Qe2 cxd4 (12... Re8 {main}
) 13. Nxd4 (13. exd4 Re8 14. Ne5 Bd6 15. f4 {Tinsley-Teichmann, London 1893,1/
2-1/2}) 13... Bb4 (13... g6 {Komodo12 & Strelka 5.5}) 14. Rfc1 (14. Ncb5 $16 {
Komodo12}) 14... Re8 15. a3 (15. Ncb5 $16) 15... Bd6 16. Ncb5 Bb8 17. Rxc8 Qxc8
18. Rc1 Qd8 19. Nc6 Bxc6 20. Rxc6 Ne5 21. Bxe5 Bxe5 22. Qc2 $11 (22. Nxa7 Qd7
23. Rxf6 Bxf6 24. Bb5 Qxa7 25. Bxe8 Qxa3 $11 {Komodo12}) 22... Bb8 23. Bf5 (23.
g3 $16) (23. Nc7 $18) 23... g6 24. Bh3 (24. Bd3) 24... Qe7 (24... d4 25. Rc8 d3
26. Qd1 Qd5 27. Rxe8+ Nxe8 28. Nd4 $11 {Komodo12}) 25. b4 (25. g3) 25... Be5
26. g3 Kg7 27. Bg2 Rd8 28. Bf3 (28. f4 Bb8 29. Qc3 $11 {Komodo12}) 28... h5 29.
h4 $11 Qd7 30. Nd4 Ng4 31. b5 Bf6 (31... Bxd4 32. exd4 Nh6 $11 {Komodo12}) 32.
a4 (32. Rc7 Qd6 33. Qc6 Bxd4 (33... Qxa3 34. Ne6+ $18) 34. Qxd6 Rxd6 35. exd4
Nh6 36. Rxa7 $14 {Komodo12}) (32. Ne6+ $1 $18 {Komodo12} fxe6 33. Bxg4 (33. Rc7
Ne5 34. Be2 Nc4 $16) 33... hxg4 (33... Qe7 34. Bxe6 $18) 34. Rc7 $18 {Komodo12}
) 32... Ne5 33. Rc7 Nxf3+ 34. Nxf3 Qg4 35. Nh2 Qe6 36. Rc6 (36. Nf3) (36. Rxa7)
36... Qe5 37. Nf3 Qe4 38. Nd2 (38. Qxe4 dxe4 39. Ng5 Bxg5 40. hxg5 Rd7 $11 {
Komodo12}) 38... Qxc2 39. Rxc2 d4 40. e4 (40. exd4 Rxd4 41. Nc4 Be7 42. Kg2 Bc5
$15) (40. Kg2 Be7 $15) 40... Rd7 (40... d3 41. Rc4 Rd4 $15 {Komodo12}) 41. Rc4
Be7 42. Kf1 $11 Bc5 43. f4 (43. Ke1 $11) (43. Nb3 $11) 43... a6 44. e5 (44.
bxa6 Ra7 45. Ke2 Rxa6 46. Kd3 $16 {Komodo12}) 44... axb5 45. axb5 Ra7 46. Ne4
d3 47. Ke1 (47. Rc1 $11) 47... Be3 48. Nc3 Ra1+ 49. Nd1 Ra2 50. Rc3 $2 (50.
Nxe3 Re2+ 51. Kd1 Rxe3 52. Rc6 Rxg3 53. Rxb6 $16 {Komodo12}) 50... Bd2+ 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.9"]
[White "Young, Alan"]
[Black "Denham, Colin"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "2024"]
[BlackElo "1653"]
[Annotator "kemen"]
[PlyCount "57"]
[EventDate "2019.??.??"]

{[%evp 0,10,45,36,54,37,38,32,32,28,57,43,113]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4.
e5 Nd7 5. Qg4 (5. a3) 5... Bf8 (5... g6 {main}) 6. Nf3 $146 {Komodo10} (6. Bg5
{main}) 6... h6 7. Bd2 Ne7 8. Bd3 a6 9. Be3 b5 (9... b6 10. Ne2 c5 11. c3 Qc7
12. O-O $16 {Komodo12}) 10. a3 Bb7 11. O-O Rc8 12. a4 c6 (12... b4 13. Ne2 c5)
13. Ne2 Nb6 (13... b4 14. Nf4 $16) 14. b3 $18 Nd7 15. Nf4 Qc7 {with the Wh
pieces gathering, sooner or later there will be a pice sacrifice to open up
the K} 16. Qh5 (16. Nxe6 fxe6 17. Qxe6 $18 {Komodo12 & Stockfish10}) (16. Bd2
$18 {both Engines}) 16... c5 (16... g6 17. Bxg6 fxg6 18. Nxg6 Nxg6 19. Qxg6+
Kd8 20. Ng5 hxg5 21. Bxg5+ Be7 22. Bxe7+ Kxe7 23. Qg7+ Ke8 24. Qxh8+ Nf8 25. f4
$18 {Komodo12}) 17. Nxe6 Qc6 18. Nxf8 (18. Nxc5 Nxc5 19. axb5 axb5 20. dxc5 d4
21. Bxd4 g6 22. Qh3 Bg7 23. e6 $18 {Komodo12}) 18... Rxf8 19. axb5 axb5 20.
Rfe1 (20. e6 {Komodo12} Qxe6 21. dxc5 Nf6 22. Qh4 Qg4 23. Qxg4 Nxg4 24. Bd4 $18
{The Bl K is stuck in the middle}) 20... c4 21. Bf1 Qg6 22. Qxg6 fxg6 23. e6 (
23. Ra7) 23... Nf6 24. Ne5 g5 25. g3 (25. Ra5 Bc6 26. Ra7) 25... Nf5 26. Bh3
Ne7 27. Ra7 Rb8 28. Rea1 Nc6 (28... Nc8 29. R7a5) 29. Rxb7 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.10"]
[White "Morgans, Justin"]
[Black "Barnaby, Nicholas"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "1646"]
[BlackElo "1998"]
[Annotator "kemen"]
[PlyCount "70"]
[EventDate "2019.??.??"]

{[%evp 0,26,19,38,25,7,22,-4,17,3,-2,2,2,2,16,4,14,-3,8,-19,-12,-26,-21,-30,
-31,-34,-36,-37,-11]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3
Be7 7. Bg5 (7. O-O {main}) 7... d6 8. h3 O-O 9. Nbd2 Na5 {usually Wh players
ensure that the Ruy B is kept} 10. c3 Nxb3 11. Qxb3 Be6 12. Qc2 c5 $15 13. O-O
Nh5 {Cloud Engines} (13... h6 14. Be3 Qc7 15. Rfc1 Rfc8 16. Qd1 d5 17. Qe2 dxe4
18. Nxe4 Nxe4 19. dxe4 Rd8 20. b3 c4 21. b4 Rd3 22. Ne1 Rd7 23. Rd1 {
Harms-Rohmann, Kiel op 2012,1/2-1/2}) 14. Be3 h6 15. g4 (15. a4) 15... Nf6 (
15... Nf4) 16. Nh2 Nh7 (16... d5 $19 {Stockfish10} 17. f4 exf4 18. Bxf4 dxe4
19. dxe4 Qb6 {Wh has too many holes in his K side}) 17. f4 exf4 18. Bxf4 Bg5
19. Bg3 h5 20. Ndf3 Be3+ 21. Bf2 (21. Kh1 $11) 21... Bxf2+ 22. Rxf2 hxg4 23.
hxg4 Ng5 24. Kg2 Nxf3 25. Rxf3 Qg5 (25... d5 $17) 26. Rg3 d5 27. Re1 (27. Nf3
Qf4 28. Qd2 Qxd2+ 29. Nxd2 Rfd8 $15 {Stockfish10}) 27... dxe4 28. dxe4 Rad8 29.
Re2 (29. Nf3 Qf4 30. Qc1 Qxc1 31. Rxc1 Rfe8 $17) 29... Rd7 $19 (29... Rfe8 $17)
30. Nf3 Qf4 31. Kh3 Rfd8 32. Nh2 Rd2 33. Qxd2 (33. Rxd2 Rxd2 34. Qb1 Qh6#)
33... Rxd2 34. Rge3 Rxe2 (34... Bc4) 35. Rxe2 Bxg4+ 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.11"]
[White "Van Kemenade, Rudy"]
[Black "Pinch, David"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "1944"]
[BlackElo "1634"]
[Annotator "kemen"]
[PlyCount "92"]
[EventDate "2019.??.??"]

{[%evp 0,60,19,31,34,19,13,4,35,32,65,29,53,40,54,54,79,86,52,18,44,13,40,-17,
10,-28,-49,-73,-51,-38,-39,-39,-24,-22,-26,-25,-20,-76,-52,-91,-137,-149,-163,
-161,-152,-127,-139,-157,-124,-112,-53,-31,-47,-47,23,45,20,0,-23,-43,36,87,
123]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. O-O g6 5. c3 Bg7 6. d4 exd4 7. cxd4
O-O (7... d5 {main}) (7... a6) 8. d5 (8. Nc3 {main}) 8... Ne5 9. d6 (9. Nxe5 {
main} Bxe5 10. f4 (10. Nc3 d6 11. Bh6 Bg7 12. Bxg7 Kxg7 13. Qd4+) 10... Bg7 11.
f5) 9... N7c6 (9... cxd6 10. Qxd6 Nxf3+ 11. gxf3 Qb6 12. Qxb6 axb6 13. Nc3 Nc6
14. Kg2 {Duarte-Pacheco, FEXERJ op, Botafogo 2015,1-0}) (9... Nxf3+ 10. Qxf3
cxd6 11. Nc3 Nc6 12. Bf4 (12. Rd1 a6 13. Bf1 {Leonoff-Alonso, Duchamp Boca op,
Buenos Aires 2013,1-0}) 12... Ne5 13. Qd1 Qf6 14. Nd5 Qh4 15. Bg3 Qxe4 16. f3
Nxf3+ 17. gxf3 Bd4+ 18. Bf2 Qxd5 19. Bxd4 Qxb5 {Camara-Cantato, Florianoplis
op 2018,0-1}) 10. Nc3 (10. Ne1 $5 {Stockfish10}) (10. dxc7 Qxc7 11. Nc3 $14 {
Van Kemenade-Pinch, Dyfed Closed 2018,1-0 ( though Wh had a totally lost
position at one [point)}) 10... a6 11. Ba4 (11. Nxe5 {Stockfish10} Nxe5 (11...
axb5 12. Nf3 b4 13. Nd5 cxd6 14. Bg5 $16) 12. dxc7 Qxc7 13. Nd5 Qd8 14. Be2 $16
{Stockfish10}) 11... Nxf3+ 12. gxf3 $6 {trying to bolster e4, but Wh should
just be prepared to gambit the d pawn} (12. Qxf3 {simplest} cxd6 13. Bf4 (13.
Qg3 {Stockfish10}) 13... Be5 14. Rad1 $14 (14. Bh6 Qh4) (14. Bb3 $14)) 12...
cxd6 13. Qxd6 $6 (13. Bf4) (13. Bb3) 13... Be5 14. Qd2 $6 {obstructs
development} (14. Qd1 {considered} Qh4 15. f4 Bxf4 16. Bxf4 Qxf4 17. Nd5 Qh4
18. f4 d6 $15) (14. Qd3 {Stockfish10} Qh4 15. f4 Bxf4 16. Bxf4 Qxf4 17. Nd5
Qg4+ 18. Qg3 Qxg3+ 19. hxg3 b5 20. Bb3 $11) 14... Nd4 (14... Qh4 15. Qh6 (15.
f4 Qg4+ 16. Kh1 Qf3+ 17. Kg1 Qg4+ $11 (17... Bxc3 18. Qxc3 Qxe4 19. Bc2 Qb4 $15
)) 15... Qxh6 16. Bxh6 Re8 17. Rad1 $11 {Stockfish10}) 15. Bd1 Ne6 (15... b5
$15 {Stockfish10}) 16. Nd5 d6 (16... g5 {Rudy & Stockfish10, considered by
David} 17. Kh1 Kh8 $15) 17. f4 Bg7 18. Qd3 (18. f5 {considered} gxf5 19. exf5
Nd4 20. f6 Bxf6 21. Nxf6+ Qxf6 22. Qh6 Qxh6 23. Bxh6 Re8 24. Kh1 $11 {
Stockfish9}) 18... Bd7 $17 (18... Nc5 19. Qf3 Be6 $17 {Stockfish10}) 19. Be3 (
19. f5 Bb5 20. Qf3 Bxf1 21. Kxf1 Nd4 $15 {Stockfish10}) (19. Re1 Bc6 20. a4 {
pm analysis} Nc5 $19 {Stockfish10}) (19. a4 Bc6 20. Ra3 {pm analysis} Nc5 21.
Qb1 Re8 22. Bc2 Ne6 $17 {Stockfish10}) 19... Bb5 20. Qb3 (20. Qd2) 20... Bxf1
21. Kxf1 b5 $19 (21... Qh4 $19) 22. Bf3 Rc8 23. Rd1 Kh8 (23... Rc4 $19) (23...
Qh4 $19) 24. Qa3 (24. e5 {considered, but} dxe5 25. Nb6 Qh4 26. Nxc8 Rxc8 (
26... exf4) 27. fxe5 Bxe5 $19 {looked good for Bl}) 24... Nc5 {gives Wh chances
} (24... Qh4 $19) 25. e5 $11 Na4 (25... Re8 26. Nf6 (26. Nb4 a5 27. Nc6 Rxc6
28. Bxc6 b4 $19) (26. Nc3 Qh4 27. exd6 Rxe3 28. fxe3 Qh3+ 29. Bg2 Qxe3 30. Ne2
$11) 26... Bxf6 27. Rxd6 Qc7 28. Rxf6 a5 (28... Re6 29. Bg4 Rxf6 30. Bxc8 Rc6
31. Bg4 a5 32. b4 axb4 33. Qxb4 Kg7 $11)) 26. b3 (26. Nb4 {considered & pm
analysis} Qh4 27. Rxd6 Nc5 28. Nd3 (28. Nd5 Ne6 29. Rxa6 g5 $19 {Stockfish10})
28... Nxd3 29. Qxd3 Bh6 30. Bb7 Rc7 31. Qe4 Qxh2 32. Rxa6 Rd7 33. Qf3 Rfd8 34.
Ra8 Rxa8 35. Bxa8 Rc7 36. Bc6 b4 37. Bd5 $11 {Stockfish10}) 26... Nc3 (26...
Nc5 27. Qb4 $14) 27. Nxc3 Rxc3 28. Rxd6 (28. Qxd6 {considered} Qh4 (28... Qxd6
29. Rxd6 $16 {the Bl Q side pawns are vulnerable}) 29. Kg2 g5 30. Qe7 Rcc8 31.
Rd6 $14 {Stockfish10}) (28. exd6 {Stockfish10} a5 29. Rd5 Kg8 30. d7 b4 31.
Qxa5 Qxa5 32. Rxa5 Rd8 33. Bg4 f5 34. Be2 Rxe3 (34... Rxd7 35. Bc4+ Rxc4 36.
bxc4 $16) 35. Bc4+ Kf8 36. fxe3 Rxd7 37. Ra8+ Ke7 38. Ke2 Bc3 39. h4 $14 Rd8
40. Ra7+ Rd7 41. Ra5 Rd2+ 42. Kf3 Rh2 43. Ra7+ Kd8 44. Rxh7 Be1 $14 {probably
ends in a draw} 45. h5 Rf2+ (45... gxh5 46. e4 fxe4+ 47. Kxe4 Rh4)) 28... Qh4
29. Kg2 (29. Rxa6 {considered & pm analysis- to get R to a8} Qh3+ 30. Bg2 Qf5
31. Kg1 Rfc8 32. Ra8 Bf8 33. Rxc8 Qxc8 34. Qa5 b4 35. e6 Rd3 36. Bd5 fxe6 37.
Bf3 Qb8 $17 {Stockfish10}) (29. Qa5 $1 Rfc8 30. Kg2 Rxe3 31. fxe3 Bf8 32. Rc6
Rxc6 33. Bxc6 Bc5 $11 {Stockfish10}) (29. Qb4 Rfc8 30. Qd4 Qh3+ 31. Bg2 Rc1+
32. Bxc1 Rxc1+ 33. Ke2 Qxg2 34. Rd8+ Bf8 35. Rxf8+ Kg7 36. Rxf7+ $11 {
Stockfish10}) 29... Rfc8 (29... g5 $17 {Stockfish10} 30. Qb4 Rfc8 31. Qe4 gxf4
32. Bxf4 Rg8 33. Bg3 (33. Kf1 Qh3+ 34. Bg2 Qc8 35. Qe2 Rc2 36. Qh5 Qc5 37. Be3
Qxe5 38. Qxe5 Bxe5 39. Rxa6 b4 $15 {Stockfish10}) 33... Qxe4 34. Bxe4 Bxe5 35.
Rxa6 Bxg3 36. hxg3 Kg7 $15 37. Rb6 Rc5 38. a4 bxa4 39. bxa4 Rd8 40. Rb4 Rd2 41.
g4 {Wh may well hold} Rc3 42. Bb7 Ra3 43. Rf4) 30. Qxa6 $16 Bh6 {weakens K
position, but David said he had run out of ideas} (30... b4 31. Qa7 R3c7 32.
Qb6 Bf8 33. Qxb4) 31. e6 (31. Rd4 Rg8 32. e6 (32. Qxb5 $18) 32... Qf6 33. Qxb5
Qxe6 34. Re4 Qf5 35. Bd4+ f6 36. Qb6 Rcc8 37. a4 $18 {Stockfish10}) 31... R3c7
(31... Bxf4 $1 {Stockfish10} 32. Bd4+ Kg8 33. exf7+ Kf8 (33... Kxf7 34. Rd7+
Qe7 35. Qf6+ Kg8 36. Bd5+ Qf7 37. Qxf7#) 34. Bxc3 Qxh2+ 35. Kf1 Qh3+ 36. Bg2
Qxc3 37. Rd1 Qc2 38. Bf3 Qf5 39. Qb7 Rc1 40. Rxc1 Bxc1 41. Bc6 Qd3+ 42. Kg2 Qf5
43. Qxb5 (43. Bd7 Qxf7 44. Qa8+ Kg7 45. Bxb5 $14) 43... Qg4+ $11 {perpetual})
32. exf7 {best} (32. Rd7 {looked winning in pm analysis, however} Bxf4 33. Bd4+
f6 34. h3 Rc2 35. Be2 (35. e7 Qg3+ 36. Kf1 Qxh3+ 37. Ke1 Rc1+ 38. Bd1 Qh1+ 39.
Ke2 Qxd1#) 35... Be5 36. Be3 Bf4 $11 {Stockfish10}) 32... Rf8 33. Bd4+ (33. Rf6
{considered & again thought winning in pm analysis} Bg7 34. Bd4 Rc2 {
Stockfish10} (34... Rcc8 {pm analysis} 35. Qxc8 $1 Rxc8 (35... h5 {Stockfish10}
36. Qe6 {mating}) 36. f8=Q+ Rxf8 (36... Bxf8 37. Rxf8#) 37. Rxf8#) 35. Qb6
Rxf2+ 36. Bxf2 Qxf6 37. Qxf6 Bxf6 38. Bd5 $18) 33... Bg7 34. Bxg7+ (34. Rf6 {
transposes to note above}) 34... Kxg7 35. Qxb5 Qxf4 $15 36. Rd7 (36. Qd5 Rcxf7
37. Rd7 Rxd7 38. Qxd7+ Rf7 39. Qd3 Qg5+ 40. Kf1 Qf5 41. Qxf5 Rxf5 42. Be2 $11 {
but the ending looks good for Wh}) 36... Rxd7 (36... Rc2 $1 {Stockfish10} 37.
a4 (37. Qa4 Qxa4 38. bxa4 Rxf7 39. Rxf7+ Kxf7 40. Bd1 Rc5 41. h4 {probably
holding for Wh}) 37... Qe3 38. Qf1 Qg5+ 39. Kh1 Qf6 40. Kg2 Rc3 41. Bd5 Qg5+
42. Kh1 Rc1 $19) 37. Qxd7 Rxf7 38. Qd5 (38. Qd3) (38. Qg4 {looks most exact
for Wh}) 38... Rf5 39. Qe4 (39. Qb7+ Kh6 40. h3 {Stockfish10}) 39... Qg5+ (
39... Rg5+ 40. Kf1 (40. Kh3 Rh5+ $1 {missed during game by Wh} 41. Kg2 Rxh2+
42. Kf1 Qxe4 43. Bxe4 Kf6 $19 {because the R has a passed pawn}) 40... Qc1+ 41.
Ke2 (41. Qe1 Rg1+ $19 {seen}) 41... Qb2+ 42. Kd3 Rf5 43. Qe7+ Rf7 44. Qe3 h5
45. Bd5 Rxf2 46. Qa7+ Kh6 47. Qe3+ g5 48. Qe6+ Rf6 49. Qe7 Qb1+ 50. Kd4 Qb2+
51. Kc4 Qc2+ 52. Kb5 Qd3+ 53. Bc4 Qd4 54. Qc7 g4 $19 {Stockfish10- Bl pawns
travel faster}) 40. Qg4 Qd2 41. h4 Qxa2 42. Qd4+ Rf6 (42... Kh6 43. Qe3+ $11 (
43. Be4 Rf7 44. Bd5 Rf5 $11)) 43. Bd5 (43. b4 Qe6 44. b5 Qd6 {Stockfish10})
43... Qe2 44. Kg3 (44. b4 Qb5 {pm analysis} 45. Qa7+ {Stockfish10} Kf8 46. Qa8+
Qe8) 44... Qe7 45. Bc4 Qd6+ 46. Qxd6 Rxd6 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.12"]
[White "Hurn, Robert Aj"]
[Black "Waterfield, John W"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1632"]
[BlackElo "1935"]
[Annotator "kemen"]
[PlyCount "61"]
[EventDate "2019.??.??"]

{[%evp 0,8,19,31,14,-14,27,44,56,24,36]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 Bb7
(4... g6 5. Qc2 bxc4 6. e4 Bg7 7. Bxc4 d6 8. O-O O-O 9. Nc3 Nbd7 {
Hurn-Waterfield, Welsh Seniors ch 2018,1/2-1/2}) 5. Nc3 (5. a4) 5... b4 6. Nb1
(6. Na4 {main}) 6... e6 7. dxe6 fxe6 8. Bg5 Be7 9. e3 O-O 10. Be2 d5 11. O-O
Nbd7 12. Nbd2 h6 (12... Ne4 13. Bxe7 Qxe7 14. Qc2 Nxd2 15. Qxd2 Rfd8 16. Qc2 {
Goldstein-Berg, Nassau CC ch, Long Island 1990,1-0}) 13. Bh4 Nh5 14. Bxe7 Qxe7
15. Qc2 Qf7 16. Rad1 Nhf6 17. cxd5 exd5 18. Nh4 Rac8 19. Nf5 (19. Ng6 Rfe8 20.
Bd3 $14 {Komodo12}) 19... Ne4 20. g4 (20. Nxh6+ gxh6 21. Nxe4 Qf5 22. Qd3 Ne5
23. Nd6 Nxd3 24. Nxf5 Nxb2 25. Rb1 Rc7 26. Nxh6+ Kh7 27. Rxb2 Kxh6 28. Rc1 a5
$11 {Komodo12}) (20. Bg4 Nxd2 21. Qxd2 Qf6 (21... Qe6 22. e4 $16) 22. Nxh6+
Qxh6 23. Bxd7 Rcd8 24. Bg4 $16 {Komodo12}) 20... Nxd2 21. Rxd2 Qe6 22. Bf3 (22.
e4 Nf6 23. f3 c4 24. Rd4 Kh8 $11 {Komodo12}) 22... Ne5 (22... g6 $19 23. Bxd5 (
23. Nh4 Rxf3 24. Qxg6+ (24. Nxf3 Qxg4+) 24... Qxg6 25. Nxg6 Kf7 26. Nh4 Rg8 $19
(26... Ne5 $19)) 23... Bxd5 24. Rxd5 gxf5 25. Rxf5 c4 $19 {Komodo12}) 23. Qd1 (
23. Bxd5 Bxd5 24. Rxd5 Nxg4 25. e4 c4 $11 {Komodo12}) 23... Nxf3+ (23... g6 $19
{Komodo12}) 24. Qxf3 Rc7 (24... Kh7 $15) 25. Qg3 Rd7 26. Rfd1 h5 (26... Kh7 $17
) 27. h3 Kh7 28. b3 (28. Qf4 $11) 28... g6 29. Nh4 Bc6 30. Nf3 $16 Kh6 (30...
Rxf3 31. Qxf3 d4 32. Qg3 $16 {Komodo12}) 31. Ne5 {(draw?)} (31. Ne5 $18 Rdd8
32. f4 Rg8 33. Rc2 c4 34. Qh4 Kh7 35. Nxc6 Qxc6 36. Qe7+ Kh8 37. Rxc4 dxc4 38.
Rxd8 Rxd8 39. Qxd8+ Kh7 40. Qe7+ Kg8 41. f5 $18 {Komodo12}) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.13"]
[White "Bevan, Peter M"]
[Black "Roberts, Malcolm A"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1907"]
[BlackElo "1630"]
[Annotator "kemen"]
[PlyCount "93"]
[EventDate "2019.??.??"]

{[%evp 0,103,30,30,12,-10,6,6,-8,-8,-13,3,10,-32,-5,-38,-36,-59,-47,-47,-3,9,
13,-24,-9,-27,-21,-25,-33,-33,14,55,51,18,36,25,25,17,82,84,93,81,81,70,74,72,
116,88,88,-23,110,29,30,29,98,21,21,5,97,89,95,87,91,91,129,137,155,155,175,
163,247,259,255,114,110,110,99,96,104,97,338,332,374,410,431,431,431,63,153,
150,149,157,157,196,403,524,539,559,570,664,664,558,568,615,615,655]} 1. Nf3 d5
2. g3 Nf6 3. Bg2 Nc6 4. d4 Bf5 5. c3 h6 6. O-O e6 7. Qa4 (7. Nbd2 {main}) 7...
Qd7 (7... Bd6 {main}) 8. b4 Bd6 9. b5 (9. Nbd2 Nb8 (9... O-O 10. b5 Ne7 11. Qb3
Ng6 12. a4 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Rd1 Rfe8 16. Bb2 Rad8 17. e4 {
Lizcano-Quintero Rueda, Santander UDI cup 2013,1-0}) 10. Qb3 a5 11. a4 axb4 12.
cxb4 b5 13. a5 Nc6 14. Ba3 Ne4 15. e3 O-O 16. Rfc1 {Gutt-Witte, Leverkusen op
2007,1-0}) 9... Ne7 10. c4 dxc4 (10... c6 $11 {Stockfish10}) 11. Ne5 $16 Bxe5
12. dxe5 Nfd5 13. Qxc4 O-O 14. Rd1 Qc8 (14... Rfd8 15. Qb3 Bxb1 16. Rxb1 Qe8
17. a4 $16 {Stockfish10}) 15. Ba3 (15. e4 Nb6 16. Qc5 Bg4 17. f3 Rd8 18. Nd2
$18 {Stockfish10}) 15... Rd8 16. Qb3 (16. e4 $18) 16... Bxb1 17. Raxb1 Rd7 18.
Bxe7 Nxe7 19. Rxd7 Qxd7 20. Bxb7 $18 Rd8 21. e3 (21. Rc1 Qd2 22. Qc2 $18 {
Stockfish10}) 21... Nd5 (21... c6 $1 22. bxc6 Nxc6 23. Bxc6 Qxc6 24. Rd1 Rxd1+
25. Qxd1 Qe4 $11 {Stockfish10}) 22. Rd1 Qe7 23. Bxd5 exd5 24. Rxd5 g6 25. Rxd8+
Qxd8 26. a4 $18 (26. e6 $1 $18 {Stockfish10}) 26... Qd7 27. Qc4 Qd1+ 28. Kg2
Qa1 29. Qd4 (29. e6) 29... Qa2 30. e4 Qc2 31. a5 Kh7 32. Qd5 Kg7 33. a6 g5 34.
Qc6 Qe2 35. e6 (35. h3 g4 36. hxg4 {Stockfish10}) 35... fxe6 36. Qxc7+ Kg6 37.
Qc6 Kf6 38. Qb7 g4 39. h4 (39. e5+ $1 Kxe5 40. b6 axb6 41. a7 $18 {Stockfish10}
) 39... Qf3+ (39... gxh3+ 40. Kxh3 Qf1+ 41. Kh4 Qxf2 42. e5+ Kxe5 43. Qc7+ Kd5
44. Qc6+ Ke5 $11 {Stockfish10}) 40. Kg1 $18 Qd1+ 41. Kh2 Qf1 42. Qxa7 Qxb5 43.
Qd4+ e5 (43... Kg6 44. a7) 44. Qd6+ Kg7 45. a7 (45. Qe7+ Kg8 46. a7) 45... Qe2
46. Qxe5+ (46. Qe7+ Kg6 47. h5+ Kxh5 48. Qf7+ Kg5 49. Qf5#) 46... Kh7 47. Qf5+
1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.14"]
[White "Leah, Howard"]
[Black "Bourne, Johnathan D"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "1613"]
[BlackElo "1907"]
[Annotator "kemen"]
[PlyCount "80"]
[EventDate "2019.??.??"]

{[%evp 0,27,18,33,23,21,28,20,25,6,8,5,6,7,20,-44,-21,-44,-34,-20,-27,-45,-22,
-29,-28,-46,-46,-37,84,27]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5
6. Bb3 Be7 7. c3 O-O 8. O-O d5 9. exd5 {main} (9. Nbd2) (9. Qe2) 9... Nxd5 10.
h3 Bb7 11. Re1 Bf6 12. Nbd2 Nf4 13. Ne4 Ng6 (13... Nxd3 {main} 14. Nxf6+ gxf6
15. Bh6 (15. Re4)) 14. Nxf6+ $146 (14. Nc5 $16 Bc8 15. Qe2 Rb8 16. Be3 b4 17.
Bc4 a5 18. a4 {Schwarz-Paredes Bustamente, Wld ch girls U14, Nova Caldas 2011,
1-0}) (14. Be3 Be7 15. Qe2 Na5 16. Bc2 Bxe4 17. dxe4 c5 18. b3 Nc6 19. Rad1 Qa5
20. Bd2 Qxa2 21. Bc1 {Nicolau Serrato-Grau Brumos, ESP ch Seniors, Santa
Susanna 2012,1-0}) (14. a4 $16 {Stockfish10}) 14... Qxf6 15. Bg5 Qd6 16. Qe2 (
16. d4 $5 $11) 16... h6 17. Be3 Rad8 18. Rad1 Kh8 19. Bc2 f5 20. b4 Qf6 21. Bc5
Rfe8 $15 22. Rd2 (22. Be3) 22... Nf4 $19 23. Qf1 Nd5 (23... Ne7 24. Bxe7 Rxe7
25. d4 e4 26. Ne5 Nxh3+ 27. Kh2 (27. gxh3 Qg5+ 28. Kh2 Rxe5 $19) 27... Nf4 $19
{Stockfish10}) (23... Nxh3+ 24. gxh3 Nb8 25. Bd1 Bxf3 $19 {Stockfish10}) (23...
e4 24. dxe4 Rxd2 25. Nxd2 Qxc3 26. Be3 Nxh3+ 27. gxh3 Qxc2 $19 {Stockfish10})
24. c4 (24. d4 e4 25. Ne5 Nxe5 26. dxe5 Qxe5 27. Bd4 Qf4 28. Rdd1 Qg5 $17 {
Stockfish10}) 24... Ndxb4 (24... Nf4 $19) 25. Bb3 e4 (25... bxc4 26. Bxc4 Nd5
$17) 26. dxe4 fxe4 27. Rxd8 Qxd8 28. Rd1 (28. cxb5 exf3 29. bxc6 fxg2 30. Rxe8+
Qxe8 31. Qb1 Nxc6 32. Bd5 $11 {Stockfish10}) 28... Nd3 29. Ne1 (29. cxb5 axb5
30. Bf7 Nce5 31. Bxe8 Nxf3+ 32. gxf3 Qxe8 33. Be3 Ne5 $17 {Stockfish10}) 29...
Nce5 30. cxb5 (30. Nxd3 exd3 31. f4 bxc4 32. fxe5 cxb3 33. Rxd3 Qg5 34. Rxb3
Bxg2 35. Be3 Bxf1+ 36. Bxg5 Bc4 37. Rc3 hxg5 38. Rxc4 Rxe5 39. Rxc7 Ra5 40. Rc2
{Stockfish10 gives this as winning for Bl, but Wh should be able to hold this
ending}) 30... axb5 (30... Qg5 $19 {Stockfish10}) 31. Bc2 (31. Nxd3) 31... Qg5
$19 32. Be3 Qg6 33. Nxd3 exd3 34. Bxd3 Nxd3 35. Rxd3 Bxg2 36. Qxg2 Qxd3 37. Qc6
Rxe3 (37... Re7 {safest}) 38. fxe3 Qxe3+ 39. Kg2 Qg5+ (39... Qe2+ 40. Kh1 Qf1+
41. Kh2 Qc4 {and victory, though assured , will take a little while}) 40. Kf1
$2 (40. Kh1 Qe5 $19) 40... Qf6+ 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.15"]
[White "May, Adam J"]
[Black "Andrews, Norman G"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "1906"]
[BlackElo "1605"]
[Annotator "kemen"]
[PlyCount "87"]
[EventDate "2019.??.??"]

{[%evp 0,23,24,-24,14,-1,-4,-3,17,20,14,22,17,-2,-5,-4,4,-5,9,6,9,19,15,4,31,
43]} 1. c4 c5 2. g3 Nf6 3. Bg2 e6 4. Nf3 d5 5. O-O Be7 6. b3 O-O 7. Bb2 Nc6 8.
e3 Qc7 9. Nc3 Rd8 10. cxd5 exd5 11. d4 cxd4 (11... Bg4) 12. Nxd4 $146 (12. Nb5)
12... Nxd4 13. exd4 Bg4 14. Qd3 Qd7 $11 15. Rfe1 Bb4 16. Re5 Bxc3 (16... Be6
$11) 17. Bxc3 Re8 18. Rae1 Rxe5 (18... h6 19. Bb4 $14) (18... Be6 $14) 19. dxe5
$18 Ne8 (19... Ne4 20. Bb2 $16) 20. Qxd5 $18 Qxd5 21. Bxd5 Rc8 22. Bb4 (22. e6
$18) (22. Re3 $18) 22... b6 23. Be4 g6 24. Kg2 Ng7 25. h3 Be6 (25... Bf5) 26.
Rd1 Nf5 27. g4 Nh4+ (27... Ng7) 28. Kg3 g5 29. Be7 (29. f4 $18) 29... h6 30.
Bf6 Ng6 31. Bf5 (31. f3) 31... Nf4 32. Rd2 Rc3+ (32... Bxf5 33. gxf5 Nh5+ 34.
Kg4 Nxf6+ 35. exf6 Rc6 36. Rd8+ Kh7 37. Rd7 Rxf6 38. Rxa7 Kg7 39. f4 $16 {
Komodo12}) 33. f3 Bd5 34. Be4 Bxe4 35. Rd8+ Kh7 36. Rh8+ Kg6 37. Rg8+ Kh7 38.
Rg7+ Kh8 39. Rxg5+ Kh7 40. Rg7+ Kh8 41. Kxf4 (41. Rxf7+ Kg8 42. Rg7+ Kf8 43.
Kxf4 $18 {Wh has lots of pawns & an attack against the K}) 41... Bd5 42. Rg6+
Kh7 43. Rg7+ Kh8 44. Rg6+ {draw agreed-time pressure?} (44. Rxf7+ Kg8 45. e6
Rc6 46. Rg7+ Kf8 47. e7+ Ke8 48. Rg6 h5 49. Rh6 $18 {Komodo12}) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.16"]
[White "Horrell, Stephen A"]
[Black "Pearson, Raymond"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1592"]
[BlackElo "1890"]
[Annotator "kemen"]
[PlyCount "61"]
[EventDate "2019.??.??"]

{[%evp 0,23,38,44,50,50,52,25,44,44,23,39,17,7,3,11,20,-6,9,17,17,8,86,-2,25,
-32]} 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 (5... d6 6. Bxc6+ bxc6
7. O-O e6 8. d3 Ne7 9. Be3 O-O 10. e5 Nd5 11. Bd2 dxe5 12. Nxe5 Nxf4 13. Nxc6 (
13. Bxf4 $14) 13... Qc7 14. Bxf4 Qxc6 $15 {Horrell-Royal,4NCL open, Coventry
2017,0-1}) 6. O-O Nxb5 7. Nxb5 d5 8. d3 (8. exd5 {main}) (8. e5 {Gawain Jones})
8... a6 9. Nc3 d4 10. Ne2 e6 (10... b5) 11. Qe1 Ne7 12. Qh4 (12. Bd2 O-O 13.
Qg3 f5 14. Nc1 b5 15. Ng5 h6 16. Nf3 Bb7 17. Re1 {Chaves-Funis, Sao paolo op
1992,1-0}) 12... Nc6 (12... Bd7 13. Bd2 f5 14. Ng3 Nc6 15. Qh3 Qf6 16. Rfe1 O-O
{Canonne-Byrn, Gibraltar Challengers 2013,1/2-1/2}) 13. Qe1 (13. Qxd8+ $14 {
Cloud Engines}) 13... O-O $11 14. Ng3 b5 15. f5 {a standard sacrifice in the
Grand Prix Attack} (15. e5 $11 c4 16. Ne4 Na5 17. Bd2 Nb7 18. Bb4 Re8 19. Nd6
Re7 20. Nxc8 Rxc8 21. Bxe7 Qxe7 22. Rc1 {Feller-Blanchard, FRA ch tm U18,
Gonfreville 2000,1-0}) 15... exf5 16. exf5 $11 Qd5 (16... Re8) 17. Nh4 Bb7 (
17... Bd7 $11) 18. f6 (18. Ne4 $18 {Stockfish10} Rfe8 19. Bh6 Bxh6 20. Nf6+ Kh8
21. Nxd5 Rxe1 22. Raxe1 $18) 18... Bh8 (18... Rfe8 19. Qf2 Bf8 $17) 19. Ne4 $18
(19. Nhf5 $1 $18 {Stockfish10} Rfe8 (19... Bxf6 20. Nh6+ Kg7 21. Rxf6 Kxf6 22.
Ng4+ Kg7 23. Bh6+ Kh8 24. Nf6 Qe6 25. Nge4 $18 {Stockfish10}) 20. Ne4 h5 21.
Qg3 Re5 22. Nh6+ Kh7 23. Bf4 $18 {Stockfish10}) 19... Nb4 20. Nf5 $1 Rfe8 21.
Qd2 (21. Qg3) (21. Qh4) 21... Nc6 22. Nfd6 (22. Nh6+ Kf8 23. Ng5 Re3 24. Nxh7+
Ke8 25. Qf2 Re5 26. Bf4 Re6 27. Nxf7 $18 {Stockfish10}) 22... Reb8 23. Qh6 Qh5
24. Qxh5 gxh5 25. Rf5 h6 26. Rxh5 (26. Bxh6) 26... Nd8 27. Bxh6 Ne6 28. Rf1
Bxe4 29. Nxe4 Kh7 30. Bg7+ Kg6 31. Rh6# 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "1.17"]
[White "Taylor, Robert Graham"]
[Black "Watkins, Peter"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "1809"]
[BlackElo "1581"]
[Annotator "kemen"]
[PlyCount "69"]
[EventDate "2019.??.??"]

{[%evp 0,22,29,5,36,-11,0,-11,11,11,20,4,26,-19,6,11,20,22,39,36,70,34,57,31,
108]} 1. Nf3 Nf6 2. c4 e6 3. g3 Be7 4. Bg2 O-O 5. O-O d5 6. b3 Nbd7 7. Bb2 c6
8. d3 Qc7 9. Nbd2 Re8 10. Qc2 Bd6 11. d4 (11. a3) (11. Rac1 {played}) 11... Nf8
(11... b6 {main}) 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Nd7 (14... Ng6 {main, 3-1}
) (14... Bd7 {1/2-1/2}) 15. Ne5 $16 Nf6 16. Qe2 Bd7 17. h3 (17. g4 {Komodo12 &
Stockfish10}) 17... Rac8 18. g4 h6 19. f4 {Wh has a space advantage in the
centre, so is able to open up the K side easier} c5 20. g5 hxg5 21. fxg5 Bxe5
22. dxe5 (22. Qxe5 Qxe5 23. dxe5 Nh5 24. Bxb7 $16 {but wastes all the
opportunities on the K side}) 22... Nh7 23. h4 (23. g6 fxg6 24. Be4 Nf8 25. Rf2
Bc6 26. Bc2 $16 {Komodo12}) (23. Qh5 {Stockfish10 also} g6 24. Qh6 Bc6 25. Rf4
Bxg2 26. Rh4 f5 27. exf6 Be4 28. Be5 Qf7 29. Rxe4 $18 {Komodo12}) 23... Bc6 24.
Bh3 $14 (24. Rad1 $16) 24... Qe7 (24... Nf8) (24... Rcd8) 25. Rf2 Nf8 26. Raf1
Rc7 27. Qg4 $16 (27. Bc1 Qd8 28. h5 {Stockfish10}) 27... Ng6 28. h5 Nh8 29. g6
(29. Kh2 Qd8 30. g6 {Komodo12}) 29... Rf8 (29... Qd8 30. Kh2 $16) 30. gxf7+ $18
(30. Bc1 $18 {Komodo12}) (30. Rf6 $1 $18 {Stockfish10} Rd7 31. gxf7+ Nxf7 32.
h6 Nxh6 33. Rxf8+ Qxf8 34. Rxf8+ Kxf8 35. Qxe6 $18) 30... Nxf7 31. Qxe6 (31. h6
$1 g5 32. h7+ (32. Qxe6) (32. Rf6) (32. Qh5) 32... Kg7 33. Qxe6 Qxe6 34. Bxe6
Kxh7 35. Bxf7 $18 {Komodo12}) 31... Qg5+ 32. Qg4 Qe3 (32... Qxg4+ 33. Bxg4 Re8
34. e6 $18) 33. Bc1 Qe4 (33... Qxe5 34. Bb2) 34. Qxe4 Bxe4 35. e6 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.1"]
[White "Bevan, Peter M"]
[Black "Williams, A. Howard"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "1907"]
[BlackElo "2268"]
[Annotator "kemen"]
[PlyCount "78"]
[EventDate "2019.??.??"]

{[%evp 0,78,26,28,47,20,14,15,52,34,17,14,17,22,22,38,37,28,20,31,33,39,46,20,
34,28,30,22,43,44,32,24,30,27,35,41,30,28,16,40,44,43,49,49,65,58,54,43,29,30,
38,40,21,44,27,26,34,-37,-41,-42,-6,-52,-40,-40,-49,-79,-71,-74,-88,-82,-5,0,0,
-3,0,2,9,9,3,0,0]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 b6 4. g3 Bb7 5. Bg2 e6 6. O-O Be7
7. d4 cxd4 8. Nxd4 (8. Qxd4 {main}) 8... Bxg2 9. Kxg2 Qc8 (9... O-O) 10. b3 (
10. Qd3 {main}) 10... Qb7+ 11. Kg1 (11. f3 {main}) 11... a6 12. Bb2 O-O 13. Qd3
d6 14. Qf3 (14. Rfd1) (14. e4) 14... Qxf3 15. Nxf3 Nbd7 (15... Nc6 16. Rfd1
Rfd8 17. Rd2 Rab8 18. Nd4 Nxd4 19. Rxd4 Nd7 20. Ne4 b5 21. Nxd6 Nc5 22. Rad1
Bf6 23. R4d2 Bxb2 24. Rxb2 bxc4 {Vigier-Hacat, Canadian open, Edmonton 2000,0-1
}) (15... Rc8 16. Rfd1) 16. Rfd1 Rfc8 {5 draws from this position} 17. Nd4 g6 (
17... Rc7 18. f3 Rac8 19. Rac1 g6 20. e3 d5 21. cxd5 Nxd5 22. Nxd5 exd5 23.
Rxc7 Rxc7 24. Kf2 Bf6 25. Ke2 {Timoshenko-Miroshnichenko, ROM ch tm, Mamaia
2013,1/2-1/2}) 18. e4 Rab8 19. f3 $11 h5 (19... Rb7 20. Rd2 Bf8 21. Rad1 Rbc7
22. Kg2 Bh6 23. f4 Bf8 24. Nf3 e5 25. fxe5 Nxe5 26. Nxe5 dxe5 27. a4 Bc5 28.
Kf3 Kg7 {Pfeger-Wockenfuss, Bundesliga 1983,1/2-1/2}) 20. Rac1 Kf8 21. Kg2 g5
22. Rc2 b5 23. cxb5 axb5 24. b4 Ne5 25. Re2 g4 26. f4 (26. fxg4 hxg4 27. Ncxb5
Rc4 28. a3 Nf3 $11 {Komodo12}) 26... Nc4 27. Ba1 (27. Ncxb5 Nxb2 28. Rxb2 Nxe4
$11 {Komodo12}) 27... Na3 28. f5 (28. e5 dxe5 29. fxe5 Bxb4 30. exf6 Bxc3 31.
Bxc3 Rxc3 32. Re5 Kg8 33. Rxh5 Nc2 $11 {Komodo12}) 28... e5 29. Nb3 Rc7 30. Nd5
(30. Bb2 $11) 30... Nxd5 31. Rxd5 Nc2 32. f6 Bxf6 33. Rxd6 Ke7 34. Rd5 Nxb4 (
34... Nxa1 35. Nxa1 Rc4 36. Nb3 Rxb4 $17 {Komodo12}) 35. Rxe5+ Bxe5 36. Bxe5
Rbc8 37. Bxc7 Rxc7 38. Nd4 Ra7 39. Nxb5 Rxa2 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.2"]
[White "Bourne, Johnathan D"]
[Black "Zeidler, Sven P."]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1907"]
[BlackElo "2149"]
[Annotator "kemen"]
[PlyCount "32"]
[EventDate "2019.??.??"]

{[%evp 0,32,19,28,32,-23,-33,-33,-13,-36,-46,-42,-48,-55,-55,-48,-39,-33,-56,
-56,-66,-44,-11,-11,-99,-56,-91,-128,-112,-332,-460,-729,-679,-677,-703]} 1. e4
Nc6 2. Bc4 Nf6 3. Nc3 e6 4. Qe2 (4. d3 {main}) 4... d5 $146 {Stockfish10} (4...
Nd4 5. Qd3 c5 {main, 2 Wh wins, 1 draw, 6 Bl wins}) 5. exd5 (5. Bb5 Bd7 $11 {
Stockfish10}) 5... Nd4 $17 6. Qd3 e5 7. Bb5+ c6 8. dxc6 bxc6 9. Ba4 Bf5 10. Qc4
Bd6 $19 (10... Rb8 11. a3 Bd6 $19) 11. Nge2 O-O 12. Nxd4 exd4 13. Qxd4 (13. Ne2
Re8 $19) 13... Re8+ 14. Kd1 (14. Kf1 {is slightly better}) 14... Ng4 15. Re1
Rxe1+ (15... Qh4 16. Rf1 c5 $19 {Stockfish10}) (15... Qf6 $19 {Stockfish10})
16. Kxe1 Qe7+ (16... Qe7+ 17. Ne2 Re8 18. Qc4 Ne5 {Stockfish10}) 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.3"]
[White "Greatorex, Roger"]
[Black "Richmond, Jane"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1713"]
[BlackElo "2066"]
[Annotator "kemen"]
[PlyCount "44"]
[EventDate "2019.??.??"]

{[%evp 0,44,19,14,35,-46,-28,-32,13,-25,18,-35,11,-16,-10,-57,-30,-15,-10,-23,
-10,-63,-53,-62,-63,-83,-44,-49,-78,-78,-78,-66,-47,-212,-209,-181,-115,-117,
-116,-313,-340,-430,-480,-513,-528,-528,-531]} 1. Nf3 Nf6 2. b4 a5 (2... e6) (
2... g6) (2... d5) 3. b5 c6 (3... g6 {main}) 4. c4 {1 draw, 2 Bl wins} (4. e3)
4... d5 $146 5. bxc6 bxc6 6. e3 e6 7. Ba3 (7. Be2 $11) 7... Bxa3 8. Nxa3 O-O 9.
c5 Nbd7 $15 (9... Ne4 $15) 10. Qc2 e5 11. Be2 Qe7 12. Rc1 e4 (12... Ba6 13.
Bxa6 Rxa6 14. O-O e4 $17 {Komodo12}) 13. Nd4 Ne5 14. f4 exf3 15. gxf3 Nh5 16.
h4 (16. O-O Qg5+ 17. Kh1 Qh4 18. Rg1 $15) 16... Ng3 $19 {the Wh K is stuck in
the centre} 17. Rh2 Qf6 (17... Re8) (17... Nxe2) 18. f4 Ng6 (18... Ng4) 19. Bd3
(19. h5 Nxe2 20. Nxe2 Nh4 21. Kf2 Bg4 $15 {Komodo12}) 19... Nxf4 $1 $19 20.
Bxh7+ Kh8 21. Bd3 Nxd3+ 22. Qxd3 Ba6 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.4"]
[White "Byway, Paul V"]
[Black "Taylor, Robert Graham"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "2060"]
[BlackElo "1809"]
[Annotator "kemen"]
[PlyCount "140"]
[EventDate "2019.??.??"]

{[%evp 0,140,19,24,23,2,21,32,40,19,23,29,28,8,71,50,42,36,96,53,52,38,71,50,
51,58,97,44,66,58,96,65,83,60,77,77,92,93,97,44,68,19,38,0,55,24,-26,13,38,30,
51,29,36,42,101,88,127,113,129,157,166,72,123,19,26,31,40,38,44,37,37,37,45,
-35,34,-158,-160,-184,-145,-145,-130,-120,-152,-163,-83,-206,-219,-219,-210,
-213,-219,-263,-256,-299,-311,-337,-336,-350,-384,-517,-501,-517,-206,-211,
-197,-218,-191,-256,-180,-312,-258,-249,-215,-215,-223,-223,-191,-181,-206,
-313,-286,-286,-296,-314,-296,-333,-298,-297,-315,-336,-350,-292,-352,-606,
-556,-755,-755,-1066,-1189,-1192,-1208,-1208,-1257]} 1. Nf3 Nf6 2. c4 b6 3. d4
e6 4. e3 Bb7 5. Bd3 Bb4+ (5... d5 {main}) 6. Nbd2 Ne4 (6... O-O) 7. O-O f5 8.
a3 (8. Qc2) 8... Be7 (8... Bxd2 {more frequent}) 9. b4 (9. Qc2) 9... O-O 10.
Bb2 d6 (10... Nxd2 11. Nxd2 d6 12. e4 {Karkuth=Otto, Wld ch ICCF 1998,1-0}) 11.
Qc2 Nxd2 12. Nxd2 $16 Qe8 (12... Nd7 13. e4 fxe4 14. Bxe4 Bxe4 15. Qxe4 Rf6 16.
Rae1 Bf8 17. Re3 Rg6 18. Rg3 Rh6 19. Nf3 Be7 20. Bc1 Rf6 21. Bg5 {
Barnes-Denton, Leicester Atkins Op 2012,1-0}) 13. f4 $16 (13. e4 $16 {Komodo12}
) 13... Qh5 14. Nf3 (14. e4) 14... Nd7 15. d5 Nf6 16. h3 (16. dxe6 Ne4 $16)
16... exd5 17. Bxf5 dxc4 18. Qxc4+ Kh8 19. Bd3 (19. Qc2 $16) 19... c5 $14 20.
bxc5 bxc5 21. Qe6 Qe8 (21... Rae8) 22. Ng5 Bc8 23. Qb3 Bd7 $11 24. Qc2 Qh5 (
24... Rb8 $11) 25. e4 (25. g4 Qh6 26. Qg2 $16 {Komodo12}) 25... h6 26. Nf3 c4
27. Qxc4 $16 Rac8 (27... Bxh3 28. Bxf6 Rxf6 29. e5 $16 {Komodo12}) 28. Qb4 Rb8
(28... Bxh3 $5) 29. Qd2 Bc6 (29... Bxh3 $5) 30. Bd4 (30. Rac1 $18 {Komodo12}
Nxe4 31. Bxg7+ Kxg7 32. Bxe4 Bxe4 33. Qd4+ Rf6 34. Qxe4 $18 {Komodo12}) 30...
Nxe4 31. Qc2 (31. Qe3 $16) 31... Nc5 32. Bg6 Qd5 33. Rad1 $14 Qb3 34. Qe2 Bf6
35. Bxf6 Rxf6 36. Bc2 (36. Rb1 $11) 36... Qb6 (36... Qxa3 $15) 37. Kh2 (37. Rb1
) 37... Bb5 $17 38. Qe3 Bxf1 39. Rxf1 Re6 40. Qd4 Rbe8 41. f5 Re2 42. Bd1 (42.
f6 $11) 42... R2e4 $19 43. Qd5 Nd7 44. Bc2 Nf6 45. Qf7 (45. Qb3) 45... R4e7 46.
Qc4 d5 $19 47. Qa4 Qd6+ 48. Kh1 Nh5 49. Rd1 Ng3+ 50. Kg1 Rc8 (50... Ne2+ 51.
Kf1 Qc5 $19 {Komodo12}) 51. Bd3 Nh5 (51... Qb6+) 52. Qg4 Nf6 53. Qd4 Qc5 (53...
Qxa3) 54. g4 Qxd4+ 55. Nxd4 Rc3 (55... Re3 {Komodo12}) 56. a4 Re3 (56... Ra3)
57. Bf1 Ra3 (57... Ne4 $19) 58. Nc2 Rg3+ 59. Bg2 Ra2 (59... Rxa4) 60. Ne1 Rxa4
61. Rd2 Rga3 (61... a5) 62. Rb2 Ra1 63. Kf2 R1a2 64. Rxa2 Rxa2+ 65. Ke3 a5 66.
Kd4 a4 67. Bf3 (67. Bxd5 Rd2+) 67... a3 68. Nd3 Rd2 69. Kc3 Rxd3+ 70. Kxd3 a2
0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.5"]
[White "Jones, Dewi"]
[Black "Young, Alan"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1504"]
[BlackElo "2024"]
[Annotator "kemen"]
[PlyCount "78"]
[EventDate "2019.??.??"]

{[%evp 0,78,26,23,23,-3,11,-10,15,-7,13,-1,3,-34,2,17,89,132,137,25,25,1,9,-15,
-16,-29,0,29,14,-6,-10,-46,-90,-87,-99,-144,-150,-155,-146,-149,-149,-205,-131,
-126,-129,-197,-201,-204,-182,-205,-187,-183,-167,-165,-160,-157,-160,-160,
-165,-176,-189,-191,-189,-219,-223,-287,-320,-320,-364,-378,-422,-422,-598,
-698,-493,-1080,-1104,-1120,-1365,-1544,-2024]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bg4
4. h3 (4. O-O) 4... Bf5 (4... Bh5) (4... Bxf3) 5. g4 $146 (5. O-O) 5... Bg6 6.
Nh4 (6. c4 {Cloud Engines}) 6... Be4 (6... e6 $15 {Komodo12}) 7. f3 g5 (7...
Bg6 $11 {Cloud Engines}) 8. fxe4 gxh4 9. e5 $16 Ne4 10. Bxe4 (10. c4 Ng3 11.
cxd5 Nxh1 12. Bxh1 $16 {Komodo12}) 10... dxe4 11. d4 (11. Nc3 Qd4 12. d3 $11 {
Komodo112}) 11... exd3 12. exd3 (12. cxd3) 12... Qd5 13. O-O $11 Nc6 14. Bf4 (
14. Nc3) 14... Bg7 15. d4 (15. Nc3 Qd4+ 16. Kg2 Bxe5 17. Qf3 Qxf4 18. Qxf4 Bxf4
19. Rxf4 f6 20. Re1 O-O-O $15 {Komodo12}) 15... Qxd4+ (15... O-O-O $17) 16.
Qxd4 Nxd4 17. Rf2 (17. Nc3) 17... Ne6 $19 18. Nc3 Nxf4 19. Rxf4 Bxe5 20. Rf3
Bxc3 (20... f6 $19) 21. Rxc3 O-O-O 22. Rd3 (22. Re1 Rhe8 23. Rce3 Rd7 $17 {
Komodo12}) 22... Rxd3 23. cxd3 Rd8 $19 {Bl has an extra weakness to play
against} 24. Re1 e6 25. Re3 Rd5 (25... Kd7) 26. Rf3 f5 27. gxf5 Rxf5 28. Kf2
Kd7 $19 29. Ke3 Rxf3+ 30. Kxf3 Kd6 31. Kg4 Kd5 32. Kxh4 Kd4 {the Wh advantage
on the K side is far too slow to stop Bl's counter advance} 33. Kg5 Kxd3 34.
Kf6 c5 (34... Kc2) 35. Kxe6 Kc2 36. Kd5 b6 (36... Kxb2 37. Kxc5 Kxa2 $19 {also}
) 37. b4 (37. b3 Kb2 38. Kc6 Kxa2 39. Kb7 Kxb3 40. Kxa7 c4 $19) 37... cxb4 38.
Kc4 a5 39. h4 Kb2 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.6"]
[White "Barnaby, Nicholas"]
[Black "Thomas, Roy"]
[Result "0-1"]
[ECO "A83"]
[WhiteElo "1998"]
[BlackElo "1719"]
[Annotator "kemen"]
[PlyCount "114"]
[EventDate "2019.??.??"]

{[%evp 0,114,23,23,68,2,-18,-38,-19,-31,-32,-57,-51,-43,-62,-48,-67,-58,-56,
-55,-10,-51,-30,-23,-32,-49,-52,-72,-63,-83,-65,-69,-57,-37,-37,-49,-53,-73,
-85,-82,-30,-41,-47,-52,-50,-52,-40,-62,-44,-63,-65,-71,-43,-53,-60,-60,-55,
-68,-41,-55,-53,-46,-46,-87,-75,-94,-62,-84,-38,-50,0,0,0,0,0,0,0,-287,-273,
-216,-298,-265,-274,-301,-280,-466,-506,-506,-574,-572,-593,-584,-636,-748,
-847,-1292,-602,-642,-660,-660,-671,-664,-574,-624,-665,-738,-804,-850,-819,
-921,-997,-1301,-1351,-1406,-1440,-1653,-1543]} 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6
4. Bg5 c6 5. Bxf6 (5. f3) 5... exf6 6. Nxe4 d5 7. Ng3 Bd6 8. Bd3 (8. Qh5+ $5)
8... O-O (8... f5) 9. N1e2 (9. c3) (9. Qh5) 9... a5 $146 (9... f5 {main}) 10.
O-O Na6 (10... f5 $17) 11. c3 (11. Nf5 $15 {Stockfish10}) 11... f5 $17 12. f4
b6 (12... Nc7 $15 {Stockfish10}) 13. Qd2 Nc7 14. Rae1 g6 15. Kh1 Ne8 16. Ng1
Nf6 17. Nf3 Ne4 (17... b5) 18. Bxe4 (18. Qe3 Ra7 19. Ne5 Rc7 $11 {Stockfish10})
18... fxe4 (18... dxe4 $17) 19. Ne5 Bxe5 (19... Ba6 $17) 20. fxe5 $11 Ba6 21.
Rxf8+ Qxf8 22. Kg1 Qf7 23. Qf2 Qe7 (23... Rc8 $15) 24. Qe3 Rf8 25. Ne2 Qf7 26.
h3 Qf5 27. a4 (27. b3 $11) 27... Kg7 28. b4 Bc4 29. bxa5 bxa5 30. Rb1 Qd7 31.
Rf1 (31. Ng3 $11) 31... Rxf1+ 32. Kxf1 Bb3 $15 33. Kg1 Bxa4 34. Qg5 $11 Bb5 (
34... Qf5) 35. Qf6+ (35. Nf4 $16 {Stockfish10}) 35... Kg8 36. e6 Qe8 37. Nf4
Qf8 38. e7 (38. Qe5 $11) (38. Qg5 $11) 38... Qxf6 $19 39. e8=Q+ Qf8 40. Qe6+
Qf7 41. Qc8+ Kg7 42. Ne6+ Kh6 43. Nd8 Qf1+ 44. Kh2 Qf4+ 45. Kg1 e3 $19 46. Qe6
e2 47. Nf7+ Qxf7 (47... Kg7) 48. Qxf7 e1=Q+ 49. Kh2 Qf1 50. Qe7 a4 51. Qe3+ Kg7
52. Qe7+ Qf7 53. Qe5+ Qf6 54. Qc7+ Kh6 55. g4 a3 (55... Qf2+ 56. Kh1 Bd3) 56.
Qg3 g5 (56... a2) 57. h4 Qf4 (57... a2) 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.7"]
[White "Jones, Iolo C"]
[Black "Horrell, Stephen A"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2205"]
[BlackElo "1592"]
[Annotator "kemen"]
[PlyCount "137"]
[EventDate "2019.??.??"]

{[%evp 0,137,16,-12,-10,-51,-22,-64,-25,-33,16,47,75,53,114,52,56,46,91,61,61,
56,59,57,57,42,74,37,37,30,53,56,44,40,51,51,42,23,16,20,20,7,8,4,-2,9,14,23,
33,10,17,32,32,41,21,33,22,44,90,84,88,91,86,103,135,78,64,62,71,67,73,29,75,
55,65,55,101,64,88,43,93,45,47,0,5,-197,0,0,0,0,0,0,0,0,0,-21,0,0,0,0,6,6,85,
83,83,85,87,87,87,87,89,89,87,103,114,95,111,89,89,89,89,70,83,76,89,107,117,
119,119,113,114,145,139,147,247,193,278,278,293,293]} 1. c4 Nf6 2. g3 d5 3.
cxd5 Nxd5 4. Bg2 c6 (4... g6) (4... e5 {main lines}) 5. Nf3 Bf5 6. d3 Bg6 7.
Nc3 e6 8. O-O h6 $146 (8... Be7 {main}) 9. Qb3 Qb6 10. Nxd5 exd5 (10... Qxb3
11. Nc7+ Kd8 12. axb3 Kxc7 13. Ne5 Bh5 14. g4 Bd6 15. f4 f6 16. gxh5 fxe5 17.
fxe5 Bxe5 18. Be3 $14 {Komodo12}) 11. Qc2 $16 Nd7 12. Bh3 Qd8 13. Qc3 Nf6 14.
Nh4 Bh7 15. Nf5 Bxf5 16. Bxf5 d4 (16... g6 17. Bh3 Bg7 18. Qa3 Qe7 19. Qxe7+
Kxe7 20. Bd2 Nd7 $14 {Komodo12}) 17. Qb3 Qb6 18. Qxb6 (18. Bf4) 18... axb6 19.
Bd2 (19. Bf4) 19... g6 20. Bh3 Bg7 21. Rfc1 O-O $11 22. Bg2 Rad8 23. a4 Rfe8
24. Kf1 Rd7 25. a5 Rde7 (25... bxa5 26. Rxa5 Rde7 27. Bf3 Nd7 28. Ra7 Ne5 29.
Bb4 Nxf3 30. Bxe7 Nxh2+ 31. Kg2 Rxe7 32. Kxh2 Rxe2 33. Kg2 (33. Rxb7 Rxf2+ 34.
Kh3 Rf3 $11) 33... Rxb2 34. Re1 Bf6 35. Re8+ Kg7 36. Rb8 c5 37. Rbxb7 Rxb7 38.
Rxb7 Bd8 39. Rb5 Be7 $16 {Komodo12- but with 2 pawns for the exchange Bl may
well be holding ( only the c pawn is vul;nerable- at worst the d pawn goes as
well when Wh returns the exchange}) 26. Bf3 (26. a6 bxa6 27. Bxc6 Rxe2 (27...
Rc8 28. Rxa6 $18) 28. Bxe8 Rxd2 29. Rxa6 Rxb2 (29... Ng4 30. h3 Rxf2+ 31. Kg1
Ne5 32. Kxf2 Nxd3+ 33. Kf3 Nxc1 34. Ra7 $18 {Komodo12}) 30. Ra8 Bf8 31. Rc7
Nxe8 32. Rxe8 Kg7 33. Rd8 Bc5 34. Rdd7 $18 {Komodo12}) 26... bxa5 27. Rxa5 Nd7
28. Bb4 Re6 (28... Re5 $14) 29. Ra7 Ne5 (29... Rb8 30. Ba5 Be5 31. b4 Bd6 32.
b5 cxb5 33. Rxb7 Rxb7 34. Bxb7 Nc5 35. Bd5 Re5 36. Ba2 Kg7 37. Bb6 b4 38. Rb1
Ne6 39. Bxe6 Rxe6 40. Bxd4+ $16 {Komodo12}) 30. Rxb7 Nxf3 31. exf3 $16 {
Although a pawn up, Wh's extra one is doubled} Bf8 32. Bd2 (32. Bxf8 Kxf8 33.
Rc4 Rd6 34. f4 $16 {Komodo12}) 32... c5 33. Re1 (33. b4) 33... Rxe1+ 34. Bxe1
Rc8 (34... Ra8 $14 {Komodo12}) 35. b3 Kg7 (35... Ra8 $11) 36. Rb5 Kf6 37. Rb6+
Ke7 38. h4 Kd7 39. Bd2 h5 40. Bf4 Be7 41. Ke2 Ra8 $11 42. Bg5 $2 (42. Rb8 $11)
42... Bxg5 (42... Kc7 $19 {Komodo12} 43. Re6 (43. Rb5 Kc6 44. Bxe7 Kxb5 $19)
43... Bxg5 44. Re5 Bd8 45. Rxc5+ Kd6 $19) 43. hxg5 Ra2+ $11 44. Kf1 Ra1+ 45.
Kg2 Rd1 46. Rb7+ (46. b4 cxb4 47. Rxb4 Rxd3 48. Kf1 Rxf3 49. Rxd4+ Ke6 50. Kg2
Rf5 51. f4 Rd5 $11 {Komodo12}) 46... Ke6 47. Rb6+ $2 {giving the K a chance to
move to a much better square} Ke7 (47... Kd5 $1 {Bl's best pawn (most advanced)
is his d pawn. Its obstruction at d3 is about to be demolished, so the K
should go in its support, & not worry about losing a weak f7 pawn(after which
it takes Wh too long to get a passed pawn oveer on the K side anyway)} 48. b4
Rxd3 49. bxc5 Rc3 50. Rf6 d3 51. Rxf7 Rxc5 52. f4 Ke6 $19 {Komodo12}) 48. b4
cxb4 49. Rxb4 Rxd3 50. f4 Rc3 {Bl should make it harder for Wh to gain the d
pawn} (50... Ke6 $11 {Komodo12}) (50... Rd2 $11 51. Kf1 d3 52. Re4+ Kf8 53. Ke1
Rb2 54. Rd4 Re2+ 55. Kf1 Rd2 {Komodo12}) 51. Rxd4 $14 Rc7 (51... f6 {reduces
the number of pawns to a theoretical R &3 vs R &2 ending, which should be
drawn, although some players with the 3 pawns have managed to lose! Here the
pawns are locked together.} 52. Ra4 fxg5 53. fxg5 Rc6 54. g4 hxg4 55. Kg3 Ke6
56. Kxg4) (51... Rc6 {defending along the 3rd rank has a lot to said for it}) (
51... Rc5 {also an idea, which prevents Wh's only real pawn break with f5. Wh
can prepare with f3 & g4 but the the h pawn takes & Bl is down to 2 vs 3 again}
) 52. Rd5 Ke6 (52... Kf8 53. Kf3 Kg7 54. Ke4 Re7+ 55. Kd3 Ra7 {Rudy- Komodo12
still gives Wh a definite plus but its hard to see a Wh breakthrough- putting
one pawn onto f6 & then the other to f5, & the K just barricades itself in the
corner. Though Bl must be accurate in defence.}) 53. Re5+ Kd6 54. Ra5 Ke6 55.
Ra6+ Ke7 56. Rf6 Rc5 (56... Kf8 {Komodo12} 57. f5 Kg7 58. fxg6 fxg6 59. f4 Rc2+
60. Kh3 Rc1 61. g4 hxg4+ 62. Kxg4 $16 {Komodo12-but Lomonosov tables agree
with human theory that its a draw}) 57. Ra6 Rc7 58. Ra5 Ke6 59. Re5+ Kd6 60.
Re2 Rc3 61. Re5 {and here Bl could have claimed the drasw since , without
playing the move(which forfeits his right to claim) but Rc7 would repeat the
position after Bl's moves 53 * 59, with the same person to move} Rc7 62. Ra5
Ke6 63. Ra6+ Ke7 64. f5 Rc5 (64... gxf5 65. Rh6 Rc2 66. Rxh5 Ke6 67. Rh6+ Ke5
68. Rf6 Rc7 69. f3 Ra7 {Komodo12- definite plus, but no definite winning line
produced either}) 65. fxg6 Rxg5 66. Ra7+ Kf8 67. Rxf7+ Kg8 68. Rh7 Rxg6 69.
Rxh5 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.8"]
[White "May, Frank"]
[Black "Miller, John S"]
[Result "1/2-1/2"]
[ECO "E70"]
[WhiteElo "2067"]
[BlackElo "1686"]
[Annotator "kemen"]
[PlyCount "50"]
[EventDate "2019.??.??"]

{[%evp 0,111,23,30,33,-20,44,33,33,33,35,7,6,-3,1,0,9,10,27,23,22,22,27,32,34,
38,51,34,45,49,54,31,47,47,67,67,67,55,55,35,52,37,55,60,60,55,58,51,57,57,78,
78,78,78,71,55,67,29,62,71,126,126,187,195,207,207,207,207,211,215,215,147,147,
151,151,151,151,151,151,139,139,138,138,123,123,113,113,119,136,106,154,151,
195,211,211,211,187,187,256,147,147,147,143,143,143,143,143,143,377,377,355,
385,29975,29982]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 Nc6
(6... c5 7. d5 h5 (7... e6 8. Be2 exd5 9. exd5 Nbd7 10. O-O Re8 11. Bg5 h6 12.
Be3 a6 13. Qd2 Kh7 14. h3 Qe7 15. Rfe1 Qf8 {May-Arakhamia Grant, Port Erin
2001,0-1}) 8. Be2 b5 {May-L Williams, WLS ch 2002,1-0}) (6... e5 7. d5 a5 8.
Be2 Na6 9. h4 h5 10. Bg5 Qe8 11. Qd2 Kh7 12. O-O-O Ng4 {May-Bevan,Dyfed Open
2016,1-0}) 7. d5 Ne5 8. Be2 c5 (8... c6 9. O-O h5 10. Bg5 Nh7 11. Be3 h4 12.
Nh1 f5 13. f4 Ng4 14. Bxg4 fxg4 15. Nf2 e5 16. Nd3 {May-M White, WLS ch 2005,
1-0}) 9. O-O (9. f4 {main, 6 Wh wins, 2 draws}) 9... a6 10. f4 Ned7 11. Be3 $16
(11. a4 h5 12. Re1 Ng4 13. Bxg4 hxg4 14. Qxg4 Nf6 15. Qe2 Ng4 16. Nd1 Bd4+ 17.
Be3 Nxe3 18. Nxe3 Kg7 19. Kh1 Rh8 20. Ngf1 {Johansson-Cinar, EU ch tm women,
Pula 1997,1-0}) 11... Qc7 (11... Rb8 12. Qd3 Qa5 13. a4 Qb4 14. Bd2 Qb6 15. a5
Qc7 16. Na4 b5 17. axb6 Nxb6 18. Nxb6 Qxb6 19. Ba5 Qb7 20. Rfb1 {Rawlings-Tegi,
Champions League email ICCF 2002,1-0}) 12. Qd2 (12. h3 $18) (12. Rc1 $18 {
Stockfish10}) 12... Rb8 13. a4 b6 14. Rad1 Rd8 15. e5 $18 (15. h4 $18) 15...
dxe5 {a sealer/sweeper- Hans Kmoch; blocks e5 for Bl & gains e4 for Wh} 16. f5
Nf8 17. Bh6 e6 18. Bxg7 Kxg7 19. fxe6 (19. fxg6 $1 {Stockfish10} Nxg6 (19...
fxg6 20. Qg5 Ne8 21. Nh5+ Kg8 22. Ne4 exd5 23. Nef6+ Nxf6 24. Nxf6+ Kh8 25.
Nxd5 Ne6 26. Nxc7 Nxg5 27. Rxd8+ Kg7 28. Rff8 $18) 20. Rxf6 Kxf6 21. d6 {
and Bl must give up a R as} Qb7 (21... Rxd6 22. Nce4+ Kg7 23. Nxd6 $18) 22.
Nh5+ Kf5 23. g4# {Stockfish10}) 19... Nxe6 20. Rxf6 (20. d6 {is even
stronger-Stockfish10}) 20... Kxf6 21. Nce4+ $2 (21. d6 Rxd6 22. Nce4+ $18 {
Stockfish10}) (21. Nh5+ Ke7 22. Ne4 Nd4 23. Qg5+ Kf8 24. Qh6+ Ke7 25. Nhg3 $18
{Stockfish10}) (21. Qh6 $1 Ke7 22. Nce4 Nd4 23. Rf1 Bf5 24. Bg4 Rd6 (24... Bxg4
25. Rxf7+ Kxf7 26. Qxh7+ $18) 25. Qh4+ Ke8 26. Qxh7 Ke7 27. Bxf5 gxf5 28. Nxf5+
Nxf5 29. Rxf5 Rf8 30. Qg7 Rg6 31. Rxe5+ Kd7 32. Qxf8 Qxe5 33. Qxf7+ $18 {
Stockfish10}) 21... Kg7 (21... Ke7 22. d6+ $18 (22. Qh6 $1 $18)) 22. Bg4 (22.
d6 Qc6 23. Rf1 Rb7 24. Rf6 Kh8 25. b3 $11 {Stockfish10}) 22... Nd4 $11 (22...
Nf4 $19 23. d6 Rxd6 24. Qxd6 Qxd6 25. Rxd6 Bxg4 {Stockfish10}) (22... Qe7 23.
Bxe6 Bxe6 24. Qc3 Bd7 $19 {Stockfish10}) 23. Bxc8 Qxc8 $2 (23... Rbxc8 24. Nh5+
gxh5 25. Qg5+ Kh8 26. Qf6+ Kg8 27. Rd3 Ne2+ 28. Kh1 Nf4 29. Qg5+ Kh8 30. Qf6+
$11 {Stockfish10}) (23... Rdxc8) 24. Qg5 $18 f5 25. Qe7+ Kh6 {draw agreed} (
25... Kh6 26. Qh4+ Kg7 27. Nh5+ $1 {Stockfish10} gxh5 (27... Kg8 28. Nhf6+ Kf8
29. Qh6+ Kf7 30. Qxh7+ Kf8 31. Qg8+ Ke7 32. Qg7#) (27... Kf8 28. Qf6+ Ke8 29.
Ng7+ Kd7 30. Qd6#) 28. Qe7+ Kh8 29. Qxe5+ Kg8 30. Nf6+ Kf7 31. Nxh5 Kg6 32. Rd3
Ne2+ 33. Qxe2 Re8 34. Rg3+ Kf7 35. Rg7+ Kf8 36. Qd2 Qd8 37. Rxh7 Kg8 38. Rg7+
Kf8 39. Qc3 Re4 40. Rg8+ Ke7 41. Qf6+ Kd7 42. Rxd8+ Rxd8 43. Qxf5+ $18 {
Stockfish10}) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.9"]
[White "Andrews, Norman G"]
[Black "Van Kemenade, Rudy"]
[Result "0-1"]
[ECO "A81"]
[WhiteElo "1605"]
[BlackElo "1944"]
[Annotator "kemen"]
[PlyCount "46"]
[EventDate "2019.??.??"]

{[%evp 0,46,26,27,75,52,83,71,62,62,68,56,56,-2,-2,-11,-7,-6,-4,-13,-26,-71,
-54,-119,-128,-122,-122,-138,-141,-224,-231,-262,-252,-358,-259,-259,-257,-602,
-647,-850,-871,-890,-898,-822,-876,-885,-885,-928,-864]} 1. Nf3 {avoiding the
Petroff} d6 2. d4 f5 3. g3 Nf6 4. Bg2 g6 5. Bg5 Bg7 6. Bxf6 {helps Bl to a
powerful B pair} Bxf6 7. c3 O-O 8. Nbd2 e5 (8... c6 9. O-O e5 10. dxe5 dxe5 11.
e3 (11. e4 Be6 12. Re1 f4 {Svoboda-Collins, Highlands op, Trebic 2014,1/2-1/2})
11... e4 12. Nd4 Qe7 13. Qb3+ Kg7 14. Rfd1 c5 15. Ne2 g5 {Milicevic-Pirs, HIT
op, Nova Gorica 2018,0-1}) 9. dxe5 dxe5 10. Nb3 (10. e4) 10... Qe7 (10... e4)
11. Qc2 e4 $17 12. Ng1 Nc6 13. O-O-O $2 {too risky as Bl is ready with all his
forces, while Wh is still 3 down on the other side} (13. Nh3 Be6 14. O-O {
preferable, though} Ne5 $19 {Stockfish10}) 13... a5 14. h4 a4 15. Nd2 (15. Nd4
Nxd4 16. cxd4 Be6 17. Kb1 (17. d5 Ra5 $19) 17... Qf7 18. a3 Ba2+ 19. Ka1 Bb3
$19 {Stockfish10}) 15... Be6 {Bl has 2 powerful Bs aimed at the K} 16. Kb1 Qf7
(16... b5 $19) (16... Ra6 $19 {are alternative strategies}) (16... a3 {
considered} 17. b3 Qg7 18. Rc1 (18. c4 Nb4 19. Qc1 Bb2) 18... Ra5 19. e3 Rc5
20. Ne2 Nb4 $19 {Stockfish10}) 17. a3 Na5 (17... b5) 18. Qc1 (18. Qxa4 Nc4 19.
Qb4 Be7 20. Qxb7 Nxb2 $19 {Stockfish10}) 18... Rfd8 19. Nh3 Ba2+ (19... Rxd2 {
alternative considered} 20. Qxd2 Ba2+ 21. Kc2 Qb3+ 22. Kc1 {looked not as clear
} Qb6 (22... Nc4 23. Qc2 Qb5 $19) 23. Qe3 Qb5 $19 {Stockfish10}) 20. Ka1 (20.
Kc2 Qb3+ 21. Nxb3 axb3#) 20... Rxd2 21. Qxd2 Nb3+ 22. Kxa2 Nxd2+ 23. Ka1 Nc4 (
23... Rd8 24. Bxe4 fxe4 25. Ng5 Qc4 26. Nxe4 Qxe4 {mating soon, Stockfish10})
0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.10"]
[White "Waterfield, John W"]
[Black "Orton, Paul"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1935"]
[BlackElo "1596"]
[Annotator "kemen"]
[PlyCount "53"]
[EventDate "2019.??.??"]

{[%evp 0,53,37,21,68,21,15,2,14,28,75,58,90,38,107,61,65,71,59,64,67,60,81,70,
122,87,97,111,110,159,155,141,181,156,243,227,481,354,387,337,617,428,434,337,
750,267,345,380,375,288,330,363,437,433,484,486]} 1. e4 c5 2. c3 Nc6 (2... d5)
(2... Nf6 {main lines}) 3. d4 cxd4 4. cxd4 d6 (4... d5) (4... e6) 5. Nc3 Nf6 6.
h3 (6. Nf3 g6 {main}) 6... a6 (6... g6) 7. Nf3 e6 8. Bd3 Be7 9. O-O O-O 10. Re1
(10. Be3 {main}) 10... Qc7 (10... b5 {Cloud Engines} 11. e5 dxe5 12. dxe5 Nd7
13. Be4 Bb7 14. Qc2 h6 15. Be3 Qc7 16. Rac1 Rac8 17. a4 Ncxe5 18. Nxe5 Bxe4 19.
Qxe4 Qxe5 20. Qb7 Bd6 21. f4 Nc5 22. fxe5 Nxb7 23. exd6 {Von Hermann-Heinicke,
GER ch women Ottweiler 1997,1-0}) (10... e5 11. d5 Na7 12. Be3 b5 13. a3 Bd7
14. Qe2 Nc8 15. Rec1 Nb6 16. b3 {Schoen-Puls, Kurpfalz Seniors, Ludwigshafen
2002,1-0}) 11. Bg5 (11. Bf4 $18 {Cloud Engines}) 11... b5 (11... h6 {Fritz16 &
Stockfish10}) 12. Rc1 $18 (12. e5 $18) 12... Qd7 13. Nxb5 $18 (13. e5 $18 {
Stockfish10} dxe5 (13... Ne8 14. exd6 Nxd6 15. d5 Nd8 16. Bb1 Bb7 17. Qd3 g6
18. Ne5 Qe8 19. Bh6 $18) 14. dxe5 Ne8 15. Be4 Ra7 16. Bxc6 Qxc6 17. Ne4 Qa8 18.
Bxe7 Rxe7 19. Qd8 $18) 13... Bb7 (13... Nb4 {best- both Engines}) 14. Nc3 Rfe8
15. e5 (15. Bc2 {both Engines}) 15... Nd5 16. Bxe7 Ncxe7 (16... Qxe7 {is a
little better}) 17. Ne4 dxe5 (17... f5 18. Nxd6 Reb8 19. Bc4 $18 {Stockfish10})
18. Nxe5 Qd8 19. Nxf7 $1 (19. Nc5 Ng6 {to prevent the collapse of the K side}
20. Bxg6 hxg6 21. Nxb7 $18 {Stockfish10}) 19... Qd7 20. Ne5 (20. Nc5 Qc6 21.
Nxe6 $18 {Stockfish10}) 20... Qd8 21. Nf7 (21. Ng5 Nf6 22. Qh5 $1 Nf5 (22...
Nxh5 23. Bxh7+ Kf8 (23... Kh8 24. Nef7#) 24. Nxe6#) 23. Bxf5 exf5 24. Qf7+ Kh8
25. Rc7 $18 {Stockfish10}) 21... Qd7 22. Nfd6 (22. Nc5) 22... Rf8 23. Nxb7 Qxb7
24. b3 (24. Ng5 Nf6 25. Nxe6 Rfc8 26. Rxc8+ Rxc8 27. Nc5 Qa7 28. Qe2 $18 {
Stockfish10}) 24... Nf4 25. Bf1 Rad8 26. g3 Nfg6 27. Nc5 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.11"]
[White "Pinch, David"]
[Black "May, Adam J"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1634"]
[BlackElo "1906"]
[Annotator "kemen"]
[PlyCount "83"]
[EventDate "2019.??.??"]

{[%evp 0,83,58,28,28,30,24,27,27,29,25,7,12,15,14,6,27,4,5,-22,-22,-28,-25,-22,
-27,-16,7,-1,-3,-5,-4,-9,2,-1,2,10,10,11,12,22,38,0,29,0,28,6,18,17,12,27,18,
28,45,0,31,30,39,21,13,31,35,53,59,51,83,55,43,51,68,64,64,48,110,124,148,134,
157,157,173,167,176,0,0,0,0,0]} 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 (4...
c5 5. c3 Nc6 6. Nbd2 Bd7 7. Bd3 Be7 8. h3 Rc8 9. O-O cxd4 10. exd4 O-O 11. Re1
{Pinch-Horrell, S Wales Autumn Premier, Newport 2018,1/2-1/2}) 5. Bg3 O-O 6.
Bd3 b6 (6... c5 7. c3 b6 8. Nbd2 Re8 9. O-O Ba6 {Pinch- B Brewer, Dyfed Closed
2018,0-1}) 7. Nbd2 Ba6 (7... Bb7 {main}) 8. Qe2 (8. Bxa6) 8... Bxd3 9. Qxd3 c5
10. c3 Nc6 11. O-O (11. Ne5) 11... Rc8 $146 (11... Bxg3) 12. Rfe1 cxd4 13. exd4
Bxg3 14. hxg3 Qc7 15. Ne5 $11 Na5 16. g4 Nc4 17. Ndxc4 dxc4 18. Qe2 (18. Qh3 $5
) 18... Nd5 19. g3 (19. g5 $14 {Komodo12}) 19... b5 20. a3 a5 21. Rac1 Qb7 (
21... f6 22. Nf3 Rce8 $11 {Komodo12}) 22. f4 (22. g5) 22... Rfe8 23. g5 f6 24.
gxf6 gxf6 25. Ng4 Qg7 26. Kf2 Kh8 27. Ne3 Rg8 28. Rg1 Nxe3 29. Qxe3 Qg4 (29...
Rce8 $11 {Komodo12}) 30. Rce1 (30. Rh1 $14) 30... Rce8 31. Qe4 Qg6 32. Qc6 (32.
g4 Qxe4 33. Rxe4 $16 {Komodo12}) 32... Qf5 33. Re3 (33. Rh1) 33... Qd5 (33...
e5 34. Qe4 Qd7 35. dxe5 fxe5 36. f5 Qd2+ 37. Re2 Qg5 38. Re3 $14 {Komodo12})
34. Qxd5 exd5 35. Rge1 Rb8 (35... Rxe3 36. Rxe3 b4 37. axb4 axb4 38. Kf3 $14 {
Komodo12}) 36. Re6 $16 b4 37. axb4 axb4 38. Rxf6 bxc3 39. bxc3 Rb2+ 40. Re2 (
40. Kf3 Rd2 41. Re3 $16 {Komodo12}) 40... Rxe2+ 41. Kxe2 Rxg3 42. Kd2 $11
1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.12"]
[White "Fraser, Susanna"]
[Black "Haigh, Tony"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1578"]
[BlackElo "1793"]
[Annotator "kemen"]
[PlyCount "50"]
[EventDate "2019.??.??"]

{[%evp 0,50,27,24,36,-22,44,56,46,42,84,69,67,69,69,17,40,18,19,17,25,-12,-2,4,
5,2,2,-7,2,-39,31,20,86,-3,10,-22,-17,-39,-36,-74,-65,-80,-58,-54,-106,-124,
-72,-72,-36,-34,-37,-39,5]} 1. d4 e6 2. c4 f5 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nf6
6. Nc3 O-O 7. Bh3 $146 (7. Bg2 {62 games}) 7... b6 8. O-O Bb7 (8... Ba6 $5) 9.
Bg2 d6 10. Qc2 Bxc3 (10... a5 11. Rfe1 Nbd7 12. Rad1 Bxc3 13. Bxc3 Ne4 14. b3
Nxc3 15. Qxc3 Rae8 16. Nd2 Bxg2 17. Kxg2 e5 {Alliot-Malaniuk, Calvi Balagne op
2009,0-1 ( transpostion, Wh played 3 Bg5, and Bd2 a bit later}) (10... Nbd7 $11
{Cloud Engines}) 11. Bxc3 Nbd7 12. Rad1 Be4 (12... Ne4) 13. Qb3 c5 14. d5 e5 (
14... exd5 15. cxd5 Rac8 $11 {Komodo12}) 15. Bd2 (15. Bh3 Bxf3 16. exf3 g6 17.
Rfe1 $14 {Komodo12}) 15... h6 {slightly weakens the K side} (15... b5 $1 16.
Qxb5 (16. cxb5 Bxd5 $15) 16... Rab8 17. Qa4 Rxb2 18. Qxa7 Rfb8 19. Ng5 Bxg2 20.
Kxg2 Qe8 21. Rfe1 Ra8 22. Qc7 Rbxa2 $17 {Komodo12}) 16. Rfe1 (16. Nh4 $16 {
Komodo12} f4 17. Bxe4 Nxe4 18. Ng6 Qg5 19. Nxf8 Rxf8 20. Qc2 $16) 16... g5 17.
h3 (17. h4 $14) 17... Qh7 (17... f4) 18. Qc3 Rf7 19. Bf1 f4 $17 20. g4 Qg7 (
20... b5 $17) (20... Bg6 21. e3 e4 (21... Ne4 22. Qa3 Nxf2 (22... Raf8 $17) 23.
Kxf2 fxe3+ 24. Rxe3 (24. Bxe3 Be4 $19) 24... e4 25. Bc3 h5 $19) 22. Nh2 f3 23.
Qc2 h5 $19 {The Wh K position will be opened up, while the Wh pieces sit &
wait on the back rank}) 21. Bg2 h5 22. Nh2 hxg4 {this should wait untill Bl
can get more pieces into readiness- maybe even tripling on the h file.
Exchanging gives the Wh pieces a bit more space to play with.} 23. Nxg4 Bf5 24.
f3 Qh7 (24... Bxg4 25. fxg4 e4 26. Qc2 Qh6 27. Bc3 Re8 $17 {Komodo12}) 25. e4
Bg6 $11 (25... Bxg4 {Stockfish10 already sees this as winning} 26. hxg4 Kg7 27.
Re2 Rh8 28. Rf2 Nxg4 29. fxg4 Nf6 30. Qf3 Qh4 31. Qe2 (31. Kf1 Nxg4 $19 {
fork on h2, & Bl has 2 powerful pawns coming through}) 31... Nxg4 32. Rf3 Qh2+
33. Kf1 Nf6 34. Rf2 g4 $19 {Komodo12}) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.13"]
[White "Paffard, Mark"]
[Black "Hurn, Robert Aj"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "1731"]
[BlackElo "1632"]
[Annotator "kemen"]
[PlyCount "71"]
[EventDate "2019.??.??"]

{[%evp 0,71,79,31,47,36,31,20,27,9,19,14,18,-1,7,16,8,10,11,-15,-13,-16,-9,-22,
-5,-39,13,-6,3,1,27,3,24,27,27,27,36,23,36,-29,-31,-38,-26,-36,14,-9,24,-4,13,
-9,38,15,27,0,0,-14,0,0,26,3,4,4,10,2,1,-5,-3,4,16,42,31,35,42,35]} 1. e4 c5 2.
Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Ne2 d5
(9... Rb8 10. c3 (10. a4 a6 11. h3 b5 12. axb5 axb5 13. g4 {Paffard-Leah,
Dyfed League 2019,1-0}) 10... b5 11. Bd2 {Paffard-IC Jones, Dyfed League 2019,
0-1}) (9... b6 10. c3 Ba6 11. Rf2 Rc8 12. g4 {Paffard-Williams, Dyfed League
2019,0-1}) 10. e5 (10. c3 b6 {main}) 10... Rb8 $146 (10... f6) (10... d4 {
main lines}) 11. c3 b6 12. g4 (12. Be3 f6 13. d4 $11 {Stockfish10}) 12... f5
13. h3 (13. g5 $5) 13... Ba6 14. Be3 Qc7 15. Re1 (15. Qd2 $16) 15... Rbd8 (
15... d4 16. cxd4 Nd5 17. Bd2 (17. Bf2 fxg4 18. hxg4 Nxf4 19. Nxf4 Rxf4 $19)
17... Bxd3 $15 {Stockfish10}) 16. Bf2 (16. d4 $16 {Stockfish10}) 16... Rde8 17.
Qd2 Qc8 18. Ng3 Rd8 (18... d4 19. c4 Bb7 20. g5 $11 {Stockfish10}) (18... fxg4
19. hxg4 Bxd3 20. Qxd3 Rxf4 21. g5 Ref8 22. Re2 $14 {Stockfish10}) 19. gxf5 (
19. d4) 19... Nxf5 20. Nxf5 Rxf5 21. h4 Bh6 (21... d4 22. c4 Rdf8 23. Bg3 h6
24. Re2 Bb7 25. Rf1 Ne7 $15 {Stockfish10}) 22. Ng5 Bxg5 23. hxg5 Ne7 (23... d4
$17) 24. d4 c4 (24... Rf7 25. Bh3 Rdf8 26. Be3 Nf5 27. Bxf5 Rxf5 28. Kg2 h6 29.
gxh6 Kh7 30. Rh1 g5 31. fxg5 Qe8 32. Rag1 Qg6 33. Rh4 $11 {Stockfish10- the Wh
Kside looks a bit draughty, but the K survives} Bd3 34. Kh2 c4 35. Qd1 Rf3 36.
Rg3 Rxe3 37. Rxe3 Rf2+ 38. Kg1 Qxg5+ 39. Qg4 Rf1+ 40. Kg2 Rg1+ 41. Kxg1 Qxe3+
42. Kg2 Be4+ 43. Kf1 Bd3+ 44. Kg2 $11 {Stockfish10}) 25. Bg3 (25. Bh3 Rf7 26.
Kg2 $14) 25... Rf7 26. Qe2 Nf5 27. Bh2 (27. Kf2 $14) 27... Qc7 (27... h6 28.
gxh6 Rh7 29. Bh3 Rxh6 30. Bxf5 gxf5 31. Bg3 Kf7 32. Kg2 Rdh8 33. Rh1 $11 {
Stockfish10}) 28. Bh3 Bc8 29. Bg4 Rdf8 30. Rf1 Qe7 31. Rf3 Bd7 32. Qc2 a5 33.
Rh3 Rg7 34. Kg2 Rgf7 35. Rh1 Rg7 36. a3 $11 {the pawn structure is locked, &
both sides have a bad B as a consequence} 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.14"]
[White "Cooke, Mark"]
[Black "Van Kemenade, Julie"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1368"]
[BlackElo "1704"]
[Annotator "kemen"]
[PlyCount "66"]
[EventDate "2019.??.??"]

{[%evp 0,63,36,36,89,68,92,87,67,56,64,46,43,-5,-8,-8,24,33,20,18,21,0,30,16,
28,10,36,-35,-35,-64,9,7,18,-85,-44,-84,-112,-157,-157,-213,-252,-218,-209,
-211,-229,-229,-223,-215,-212,-225,-204,-280,-248,-241,-176,-243,-185,-160,0,
-263,-256,-268,-268,-810,-305,-357]} 1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5.
Bd3 e5 6. dxe5 (6. Nf3 {main}) 6... dxe5 7. a3 {rare} (7. f5) (7. Nf3 {main
lines}) 7... exf4 {helps Wh develop} (7... Nbd7 {Stockfish10}) (7... Bc5 {
Stockfish10}) 8. Bxf4 Be6 (8... Bg4 9. Qc1 Nbd7 10. h3 Bh5 11. Nf3 Be7 12. O-O
O-O 13. Kh1 h6 (13... Bxf3 14. Rxf3 Ne5) 14. b4 Qd8 15. Ne2 (15. e5 $18) 15...
Nh7 16. g4 Bg6 17. Ng3 Ng5 18. Kg2 Ne6 19. Be3 b5 $11 {Schmeusser-Hartlaub,
Bayern Seniors, Schloss Schney 1998,1-0}) (8... Be7 {Stockfish10} 9. Nf3 Bg4)
9. Nf3 Nbd7 10. h3 Be7 11. Nd4 Nf8 (11... Ne5 $11 {Stockfish10}) 12. b4 (12.
O-O O-O-O 13. Nce2 Bd6 14. Bxd6 Rxd6 15. b4 Qb6 16. c3 Ng6 $11 {Stockfish10})
12... Qd8 13. Nxe6 Nxe6 $15 14. Be3 (14. Bh2 O-O $15) 14... Nd7 (14... Qc7) 15.
O-O Bf6 (15... Ne5 $15) 16. Qh5 (16. Qe1 Bh4 17. Bf2 Bxf2+ 18. Qxf2 Ne5 $15 19.
Bc4 Qe7 20. Bxe6 Qxe6 21. Ne2 O-O $11 {Stockfish10}) 16... Qe7 (16... O-O 17.
e5 g6 18. Qe2 Bxe5 19. Qe1 Qc7 $17 {Stockfish10}) (16... g6 17. Qf3 O-O 18. Bd2
Bg7 $17 {Stockfish10}) 17. e5 {otherwise the B on d3 is just a big pawn in the
way of his pieces- however} Bxe5 $19 18. Ne4 g6 $1 19. Qf3 f5 (19... Bxa1 20.
Rxa1 f5 {also}) 20. Nf2 Bxa1 21. Rxa1 Ne5 (21... Qf6 22. Re1 O-O-O 23. Bxa7
Rhe8 $19 {Stockfish10}) 22. Qe2 Nxd3 (22... O-O-O 23. Bxa7 Nf4 24. Qe3 Nd5 25.
Qd4 Rhe8 $19 {Stockfish10}) (22... O-O 23. Rf1 Rfe8 $19 {Stockfish10}) 23. Nxd3
Qf6 24. Re1 O-O 25. Nf2 Qf7 (25... Rfe8) 26. Nd3 Qf6 27. Bc1 Rfe8 28. Bb2 Qh4 (
28... Qf8 $19 {Stockfish10}) 29. Nf2 (29. Qe5 $11 Nd4 (29... Kf7 30. g3 Qd8 31.
Kf2 a5 32. Qc3 (32. Nc5 Nd4 33. Qxd4 Qxd4+ 34. Bxd4 Rxe1 35. Kxe1 axb4 36. axb4
b6 37. Nd3 b5 38. h4 $14) 32... Qd4+ 33. Qxd4 Nxd4 34. Rxe8 Rxe8 35. Bxd4 $16 {
Stockfish10}) 30. Qxd4 Rxe1+ 31. Nxe1 Qxe1+ 32. Kh2 Qe7 33. Qh8+ Kf7 34. Qxh7+
Ke8 35. Qxg6+ (35. Qg8+ Qf8 36. Qe6+ Qe7 37. Qg8+ Qf8 $11 (37... Kd7 38. Qxa8
Qd6+ 39. Kg1 Qd1+ 40. Kf2 Qxc2+ 41. Ke3 Qe4+ 42. Kf2 Qc2+ 43. Kg3 Qd3+ 44. Kh4
Qe4+ 45. Kg5 Qxg2+ 46. Kh6 Qxb2 47. Qxb7+ Kd6 48. Kxg6 Qxa3 49. Qb8+ Kd5 50. h4
$11 {Stockfish10})) 35... Qf7 36. Qh6 Rd8 37. Be5 $11 {Stockfish10}) 29... b5 (
29... Rad8 30. Qf1 Nf4 $19 {Stockfish10}) 30. Rd1 Nf4 31. Qd2 (31. Qf3 Ne2+ 32.
Kh2 (32. Kf1 Qc4) (32. Kh1 Re6 33. Rd7 Rae8 34. Rd3 f4 35. Kh2 h5 36. Nh1 (36.
Bd4 Qg3+ 37. Qxg3 fxg3+ 38. Rxg3 Nxd4 $19)) 32... Qf4+ 33. Qxf4 Nxf4 34. Bc1
Re2 (34... Nd5 35. Nd3 Re2 36. Bd2 Ne3 37. Bxe3 Rxe3 $19 {may be
simpler-Stockfish10}) 35. Bxf4 Rxf2 36. Bh6 Rxc2 37. Rd7 a5 $19) (31. Qf1 Ne2+
32. Kh2 Qf4+ 33. g3 Qxg3+ 34. Kh1 Nf4 $19 {Stockfish10}) 31... Rad8 (31... Qg5
32. Nd3 Re2 $19 {Stockfish10}) 32. Nd3 Re2 (32... Rxd3 33. cxd3 Re2) 33. Qc1 (
33. Qxf4 Qxf4 34. Nxf4 Rxd1+ $19) (33. Qc3 Rxg2+ (33... Nxh3+ $1 {Stockfish10
is quicker} 34. Kf1 (34. gxh3 Qg3+ 35. Kh1 Qg2#) (34. Kh2 Nf2+ 35. Kg1 Qh1#)
34... Rf2+ 35. Ke1 Qe4#) 34. Kf1 Rg1+ $1 {seen by a couple of kibitzers} 35.
Kxg1 Qg3+ 36. Kf1 Qg2+ 37. Ke1 Qe2#) 33... Rxd3 {mating} (33... Rxg2+ {also
mates, as does}) (33... Nxh3+ {both of these Stockfish10}) (33... Nxd3 {
is a slower mate as Wh can shed material.}) 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.15"]
[White "Heap, Gerry"]
[Black "Parri, Deio"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2095"]
[BlackElo "1659"]
[Annotator "kemen"]
[PlyCount "53"]
[EventDate "2019.??.??"]

{[%evp 0,53,72,12,17,-23,-9,-4,15,15,0,-9,1,-1,10,16,19,12,17,15,14,5,34,5,22,
17,36,23,18,15,9,6,29,-4,41,5,18,-13,88,87,74,46,57,59,64,60,75,37,24,12,14,0,
108,116,114,114]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 Nbd7
7. Bb2 c6 8. Qc2 (8. d3 {main} Re8 9. Nbd2 b6 10. e4 dxe4 11. dxe4 Nf8 12. Qe2
Bb7 13. e5 N6d7 14. Ne4 Qc7 15. Rad1 Ng6 16. Nd6 $18 {Heap-Lawrence, Dyfed
Open 2016,1/2-1/2}) (8. d4 {Closed Catalan}) 8... b6 9. d3 Bb7 10. Nbd2 (10. e4
{main}) 10... Rc8 11. Rad1 Qc7 12. e4 dxe4 13. Nxe4 (13. dxe4 {main, keeps
more tension on}) 13... c5 14. Rfe1 Rfd8 (14... Rfe8 15. Bc3 Qb8 16. Qb2 Qa8
17. Qe2 Rcd8 18. Nfg5 (18. Nfd2 $11) 18... Nxe4 19. Nxe4 e5 (19... f5 20. Bh3
Bc6 $17 {Stockfish10}) 20. Bh3 $14 {Castellano-Paseka,Brno op 2011,1-0}) 15. h4
(15. Nxf6+ Bxf6 16. d4 cxd4 17. Bxd4 b5 18. Bxf6 Nxf6 19. Ne5 $11 {
Helmer-Dragomirescu,ROM ch tm, Olanesti 2013,1/2-1/2}) (15. Qe2 Nxe4 16. dxe4
Nb8 $11 {Stockfish10}) 15... Qb8 (15... Nxe4 16. dxe4 Bf6 $11 {Stockfish10})
16. Qe2 Re8 17. Bh3 Rcd8 (17... Nxe4 18. dxe4 Rcd8 $14 {Stockfish10}) (17... h6
$11 {Stockfish10}) 18. Neg5 Bxf3 $6 {gives up the B pair, though there should
be no targets for Wh's B on the long wh diagonal} (18... Bd6 $11) (18... Bf8
$11) 19. Nxf3 $16 h6 20. Ne5 (20. d4 $16) 20... Nxe5 21. Bxe5 Qb7 22. Bg2 Qc8
23. Qf3 $11 (23. Qb2 $14) 23... Nd7 (23... Rd7) (23... Nh7) 24. Bf4 Bf6 25. Qc6
Bd4 $2 (25... Nb8 26. Qxc8 Rxc8 27. Bb7 Rcd8 $11 {Stockfish10}) (25... Bc3 26.
Re2 e5 $11 {Stockfish10}) 26. Qxc8 Rxc8 27. Bb7 $16 (27. Bb7 Rcd8 28. Bc7 Nf6
29. Bxd8 Rxd8 30. Bf3 $16 {it will still take Wh a long time to win- the Rs
are blocked & Wh has lost control over the bl squares}) 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.16"]
[White "Denham, Colin"]
[Black "Waddington, Mike P"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1653"]
[BlackElo "2074"]
[Annotator "kemen"]
[PlyCount "148"]
[EventDate "2019.??.??"]

{[%evp 0,148,24,18,61,69,61,49,55,55,58,40,46,13,30,8,22,0,-16,0,1,-26,-32,-46,
-48,-78,-48,-56,-47,-118,-120,-118,-130,-134,-141,-157,-123,-134,-133,-137,
-124,-124,-113,-120,-140,-166,-151,-171,-169,-211,-220,-240,-212,-240,-234,
-240,-140,-137,-141,-141,-102,-117,-98,-166,-142,-177,-167,-174,-130,-130,-160,
-156,-108,-106,-132,-132,-115,-130,-142,-189,-201,-189,-198,-205,-70,-64,-83,
-85,-87,-147,-128,-180,-205,-204,-182,-330,-337,-344,-328,-387,-276,-283,-324,
-316,-316,-494,-527,-555,-594,-610,-701,-737,-810,-815,-796,-806,-801,-816,
-836,-866,-938,-963,-1099,-1099,-1325,-1569,-1589,-1773,-1589,-1589,-29947,
-29975,-28855,-29965,-29966,-29989,-29990,-29991,-29992,-29995,-29992,-29993,
-29990,-29991,-29992,-29993,-29994,-29995,-29996,-29997,-29998]} 1. Nf3 f5 2.
d4 Nf6 3. e3 g6 4. Be2 (4. Bd3) 4... Bg7 5. O-O O-O 6. Nbd2 (6. c4) 6... d6 7.
c3 Nc6 8. Qc2 e5 9. dxe5 dxe5 (9... Nxe5 10. Nxe5 dxe5 11. e4 Qe7 12. exf5 gxf5
13. Bc4+ Kh8 14. Re1 e4 {Gionfriddo-Delizia, ITA ICCF 2011,0-1}) 10. Qb3+ (10.
e4 f4 11. Ng5 Qe7 12. Bc4+ Kh8 13. Qb3 Na5 14. Qb5 Nxc4 15. Qxc4 h6 16. Ngf3 g5
{Frowein-Koch, Dortmund op 1987,0-1}) 10... Kh8 11. Rd1 Qe7 $15 12. Qc2 e4 13.
Nd4 Ne5 {more natural for Bl to keep K side attacking chances} (13... Nxd4 14.
cxd4 Be6 $15 {Komodo12}) 14. a4 c5 15. Nb5 Be6 16. b3 Rfd8 $19 (16... a6 17.
Na3 Rad8 $19) 17. Na3 Nd3 (17... Nd5) (17... Nfg4) 18. Bb2 Nxb2 (18... f4 19.
exf4 Nxf2 $19 {Komodo121}) 19. Qxb2 Nd5 20. Rac1 Bf6 (20... Nb4 $19 {Komodo12})
21. Bc4 Nb4 22. Be2 Nd3 $19 23. Bxd3 Rxd3 24. Nab1 Rad8 25. Qc2 Qd6 26. g3 Kg7
27. Kf1 f4 (27... h5 28. Kg2 (28. h4 f4) 28... h4 {Komodo12}) 28. exf4 Bg4 (
28... e3 29. fxe3 c4 30. b4 Bf5 31. Kf2 Qb6 32. Re1 Rxd2+ $19 {Komodo12}) (
28... Bh3+ 29. Kg1 Qd5 30. c4 Qd4 31. Re1 e3 32. Nf1 exf2+ 33. Qxf2 Qxf2+ 34.
Kxf2 Bd4+ 35. Ke2 Rxb3 $19 {Komodo12}) 29. Re1 Rxd2 (29... e3 $19 {Komodo121}
30. Rxe3 Bh3+ (30... Bf5) 31. Kg1 Qc6 32. Ne4 Rxe3 33. fxe3 Bf5 34. Nbd2 Re8
$19) 30. Nxd2 Qxd2 31. Qxe4 (31. Qxd2 Rxd2 32. Rxe4 Bh3+ 33. Ke1 Ra2 $17 {
Komodo12}) 31... Rd7 $17 32. Qc4 b6 33. a5 Bf3 34. axb6 axb6 35. b4 Rc7 (35...
cxb4 36. cxb4 Bb2 37. Rb1 Bd4 $19 {Komodo12}) 36. bxc5 Rxc5 37. Qe6 Rc6 38. Qe3
Qd5 39. Kg1 Bh1 $19 40. Kf1 Bg2+ (40... Qg2+ 41. Ke2 Qh3 42. Qd3 Be4 43. Qxe4
Re6 $19 {Komodo12}) 41. Kg1 Bh3 42. Qe4 Qxe4 43. Rxe4 Rxc3 $17 44. Rce1 Rb3 (
44... b5) 45. Rc1 b5 46. Ree1 b4 $19 47. Rb1 Rxb1 48. Rxb1 Bc3 49. f3 Bd4+ (
49... Bf5 {Komodo12- simplest}) 50. Kh1 Bc3 51. g4 h5 52. gxh5 gxh5 53. Kg1 Bf5
54. Rc1 Bd4+ 55. Kf1 b3 56. Rc7+ Kf8 57. Rb7 b2 58. Kg2 b1=Q 59. Rxb1 Bxb1 60.
Kg3 Kg7 61. Kh4 Kh6 62. Kg3 Kg6 63. Kg2 Kf5 64. Kg3 Bf6 65. h3 Be7 66. Kf2 Kxf4
67. Kg2 Bh4 68. Kh2 Kxf3 69. Kh1 Kg3 70. Kg1 Kxh3 71. Kh1 Kg3 72. Kg1 Bd3 73.
Kh1 Bg5 74. Kg1 Be3+ 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.17"]
[White "Pearson, Raymond"]
[Black "Morgans, Justin"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1890"]
[BlackElo "1646"]
[Annotator "kemen"]
[PlyCount "52"]
[EventDate "2019.??.??"]

{[%evp 0,52,30,28,69,32,26,26,35,8,8,17,19,30,27,18,25,32,35,38,44,30,77,50,82,
49,79,100,108,86,124,87,92,68,96,80,98,83,102,73,144,141,141,131,172,135,329,
118,144,97,176,125,140,162,158]} 1. e4 c6 2. c4 e6 3. d4 d5 4. cxd5 exd5 5. e5
Bb4+ (5... Bf5 {main}) 6. Nc3 Ne7 7. Bd3 Bf5 (7... c5) 8. Nge2 Nd7 9. O-O h6 (
9... Nf8 10. Ng3 Bxd3 11. Qxd3 Ne6 12. Nce2 c5 13. Be3 h5 14. dxc5 Nc6 15. Rfd1
Nxe5 16. Qb5+ Nc6 17. Qxb7 Rc8 18. Rxd5 {Mammadova-Vakhania, EU ch rapid 
(women) Kutansi 2015,1-0}) 10. Ng3 (10. Nf4 $16 {Deep Fritz 13 & Komodo12})
10... Be6 (10... Bxd3 {both Engines}) 11. a3 (11. Nce2 $18 {both Engines})
11... Ba5 (11... Bxc3) 12. Nh5 $18 {Komodo12} Kf8 (12... O-O 13. b4 Bc7 14.
Bxh6 gxh6 15. Qc1 Nf5 16. Bxf5 Qg5 17. Nxd5 cxd5 18. Bxe6 fxe6 19. Qxc7 Qxh5
20. Qxd7 Qf7 21. Qb5 $18 {Komodo12}) 13. Nf4 $18 Qe8 14. Qf3 (14. Nxe6+ fxe6
15. Qg4 Qf7 16. b4 Bb6 17. Ne2 $18) 14... Kg8 15. Nce2 (15. Nxe6 fxe6 16. Qh3
Qf7 17. Ne2 $18 {Komodo12}) 15... Nf8 16. Nh5 (16. Nxe6 Nxe6 17. Be3 Bc7 18.
Qg3 (18. b4) 18... g6 19. f4 Ng7 20. f5 $18 {Komodo12 nudged}) 16... Neg6 17.
Neg3 Bd8 18. Bd2 (18. Qe2 Qd7 19. Qc2 Bg4 20. f4 $18 {Komodo12}) 18... a5 19.
b4 b6 20. bxa5 bxa5 21. Rfb1 {wrong direction? but the R can play a part in a
K side attack} (21. Qe3 Nh4 22. f4 $18 {Komodo12}) 21... Nh7 22. Rb7 Ng5 23.
Qd1 (23. Bxg5 $1 {Komodo12} hxg5 24. Bxg6 fxg6 (24... Rxh5 25. Bxh5 g6 26. Bg4
$18) 25. Rxg7#) 23... Bc8 24. Rb3 (24. Rbb1) 24... Nh4 25. Nf4 (25. Rab1 $18) (
25. f4 $18) 25... g6 26. Rab1 Bc7 $18 {Wh withdrew from the tournament after
this game} 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.18"]
[White "Buttell, David"]
[Black "Roberts, Malcolm A"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "1793"]
[BlackElo "1630"]
[Annotator "kemen"]
[PlyCount "72"]
[EventDate "2019.??.??"]

{[%evp 0,72,19,25,19,-9,37,35,18,8,54,43,43,33,34,36,26,24,40,30,27,21,52,30,
46,41,55,39,22,50,51,68,81,82,84,92,96,96,92,78,78,54,96,112,99,98,106,110,115,
108,108,116,172,161,255,253,258,117,125,128,128,141,177,188,194,208,208,206,
202,202,197,201,201,218,687]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. e3 Bg7
6. Be2 O-O 7. O-O Nbd7 (7... Bg4) 8. cxd5 cxd5 9. Bd2 (9. Qb3 e6 {main}) 9...
Nb6 10. Rc1 Bd7 (10... Bg4) 11. Ne5 a6 (11... Bf5 12. a4 Rc8 13. Qb3 Be6 14.
Rfd1 Ne4 15. Nd3 Nxd2 16. Rxd2 Nc4 17. Rdd1 b6 18. Nb5 Qd7 19. Nf4 Nd2 20. Qb4
Ne4 21. f3 Nd6 22. Nc3 Nc4 {Borensztajn-Da Silva, Rio de Janeiro Borensztajn
op 2013,1/2-1/2}) 12. Qb3 Be6 13. a4 Rb8 (13... Ne4 14. Nxe4 dxe4 15. Nc4 Bxc4
16. Bxc4 Nxc4 17. Rxc4 Qd5 18. Rc3 Qxb3 19. Rxb3 e5 20. d5 Rfd8 21. Rxb7 Rxd5
22. Bc3 $14 {Komodo12}) 14. a5 Nbd7 15. Nxd7 Qxd7 16. Na4 $16 Ne4 17. Bb4 Rfe8
18. f3 Nd6 19. Nb6 Qd8 20. Rc5 Nf5 21. Kh1 Bh6 22. f4 $18 Bf8 23. Rfc1 Nd6 24.
Bf3 Ne4 25. Bxe4 dxe4 26. Qc2 Bf5 27. Rd5 Rc8 28. Rxd8 $18 (28. Bc3 $18) (28.
Qxc8 Qxc8 29. Nxc8 Bxc8 30. Rdc5 $18) 28... Rxc2 29. Rxc2 Rxd8 30. Rc7 Rb8 31.
h3 h5 32. Bxe7 Bg7 33. Bc5 Be6 34. d5 Bf5 35. b4 Bf6 36. Be7 Bc3 $2 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.19"]
[White "Chong, Kimberly"]
[Black "Leah, Howard"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1720"]
[BlackElo "1613"]
[Annotator "kemen"]
[PlyCount "97"]
[EventDate "2019.??.??"]

{[%evp 0,97,28,26,57,6,14,-4,15,15,70,74,110,110,161,106,148,148,122,127,136,
110,131,120,139,147,123,100,313,300,297,338,339,314,310,277,394,323,533,295,
327,372,372,372,351,336,565,340,475,285,301,285,296,281,320,316,344,336,348,
336,333,346,323,360,353,355,459,309,309,309,304,286,284,269,685,737,764,790,
874,378,416,423,325,139,218,133,173,133,133,163,183,151,932,988,1043,626,651,
821,890,854]} 1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 d6 5. Nf3 (5. Nc3 Nf6 6. h3
a6 7. Nf3 {Waterfield-Orton, same rd, Dyfed Open 2019,1-0}) 5... Qa5+ {has
been played, but puts the Q where she may not really want to be.} (5... Nf6 {
main}) 6. Nc3 (6. Bd2 {2-1}) 6... Bg4 (6... Nf6 7. Bd3 g6 8. O-O Bg7 9. d5 Nb4
10. a3 O-O 11. axb4 Qxa1 12. Qe2 Nxd5 13. exd5 Bxc3 14. bxc3 Qxc3 15. Bh6 Rd8
16. Qxe7 Bg4 {V Sivarajasingam-Mumford,Amersham e2e4 Major, 2012,1/2-1/2}) 7.
Be2 e6 (7... Nf6 8. O-O e6 9. h3 Bh5 10. Bf4 Bxf3 11. Bxf3 {Claus-Krah, Bayern
Seniors, Schloss Schney 2001,1-0}) (7... e5 $5 {Cloud Engines}) 8. d5 $18 exd5
9. exd5 Bxf3 10. Bxf3 (10. gxf3 Ne5 11. Bb5+ Nd7 12. Qe2+ Be7 13. Rg1 g6 14.
Bd2 a6 15. Ne4 Qb6 16. Bxd7+ Kxd7 17. Bc3 $18 {Stockfish10}) 10... Ne5 11. Be2
a6 12. Bd2 $16 (12. f4 $18) (12. O-O $18) 12... Be7 13. Rc1 Nf6 $2 (13... Qd8)
14. Nb5 $18 Qd8 15. Nc7+ Kf8 16. Nxa8 Qxa8 17. Qb3 Ne4 18. Bf4 (18. Be3) 18...
Nc5 $2 19. Qc2 (19. Rxc5 dxc5 20. Bxe5) (19. Qg3) 19... g5 20. Bxe5 dxe5 21. b4
(21. O-O {simplest}) 21... Nd7 22. O-O Nb6 23. Qf5 (23. Qc7 Qd8 24. Qxb7 $18 {
Stockfish10}) (23. d6 Bxd6 24. Rfd1 Qd8 (24... Be7 25. Qc7) 25. Qd2 $18 {
Stockfish10}) 23... Kg7 24. Qxe5+ (24. d6 {is even stronger} Bf6 (24... Bxd6
25. Qxg5+ Kf8 26. Qf6 $18) 25. Rc7 Qd8 26. Rd1 $18) 24... Bf6 25. Qf5 Qd8 26.
Rfd1 (26. f4 $1 {Stockfish10- Wh is winning, but the Rs need open files}) 26...
Qd6 27. Bf3 h6 28. Rc2 Re8 29. Be4 Rh8 30. Rdc1 Be5 31. g3 Qe7 32. a4 $1 {
forcing R entry} Nd7 33. Rc8 (33. Rc7 {Stockfish10} Bxc7 34. Rxc7 Rd8 35. Qh7+
Kf6 36. Rxb7 Qd6 37. Qxh6+ Ke7 (37... Ke5 38. f4+) 38. Qxg5+ Qf6 39. d6+ Kf8
40. Qd5 Qe6 41. Qxe6 fxe6 42. Bd3 $18 {Stockfish10}) 33... Nf6 34. Rxh8 Kxh8
35. Rc8+ (35. d6 Bxd6 36. Bxb7) 35... Kg7 36. Rc4 Nxe4 (36... Bd6 37. b5 axb5
38. axb5 Bc5 39. h4 gxh4 40. g4 $18 {Stockfish10}) 37. Rxe4 f6 38. f4 gxf4 39.
Qg4+ (39. gxf4 Bd4+ 40. Kg2 Qf8 41. Qd7+ (41. Rxd4 {would be good enough for
most humans}) 41... Kg8 42. Re8 $18 {Stockfish10}) 39... Kf8 40. Qc8+ Kg7 41.
Qc5 (41. Kf1 Qf7 42. gxf4 Bd6 43. Re6 Bf8 44. d6 $18 {Stockfish10}) 41... Qd7
42. Qc4 (42. gxf4) 42... fxg3 43. Rg4+ Kf8 44. hxg3 (44. d6 $18 {Stockfish10})
44... Bd6 (44... h5 45. Re4 Qxa4 46. Kg2 $16 {Stockfish10}) 45. Rh4 (45. Kg2) (
45. Qe4) 45... Qg7 (45... Bxg3 46. Rxh6 Qf5 47. Qc8+ Qxc8 48. Rh8+ Ke7 49. Rxc8
$18 {but it will still take a little while}) 46. Qc8+ Kf7 47. Qd7+ (47. Qe6+
Kf8 48. Rg4 {Stockfish10-mate or loss of Q}) 47... Be7 48. Qe6+ Ke8 (48... Kf8
49. Rg4 Qh7 50. Qc8+ Kf7 51. d6 Bxd6 52. Qxb7+ Be7 53. Re4 $18 {Stockfish10})
49. Rg4 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "2.20"]
[White "Philpin, Les"]
[Black "Watkins, Peter"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1702"]
[BlackElo "1581"]
[Annotator "kemen"]
[PlyCount "109"]
[EventDate "2019.??.??"]

{[%evp 0,109,69,20,20,19,27,21,15,-14,41,32,22,6,26,9,39,32,32,41,35,23,26,16,
17,13,42,31,116,124,139,133,123,142,126,72,75,59,90,64,83,81,121,102,107,91,
111,102,111,108,107,102,110,77,94,61,54,49,54,43,62,82,99,104,104,142,195,86,
107,55,103,86,95,105,105,101,101,101,127,141,165,155,161,135,151,142,160,108,
173,167,207,207,268,275,331,251,272,165,166,165,161,161,168,160,221,172,195,
178,184,237,181,267]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. c3 Nc6 5. e3 d5 6. Be2
Be7 7. Nbd2 cxd4 {rare} (7... O-O {main}) (7... Nh5) 8. exd4 Bd7 (8... O-O 9.
O-O Bd7 {transposes to several games}) 9. h3 (9. O-O {transposes}) 9... O-O 10.
Qc2 (10. O-O {again transposes}) 10... Rc8 11. Qd3 h6 12. Ne5 Re8 13. Qg3 Ne4 (
13... Kf8 14. O-O $14) 14. Nxe4 dxe4 15. Bxh6 $16 Bf8 16. Be3 (16. Bg5 Be7 (
16... f6 17. Bxf6 Qxf6 18. Nxd7 $18) 17. Bxe7 Qxe7 18. Rd1 $16 {Komodo12})
16... Nxe5 17. Qxe5 (17. dxe5 $16) 17... Bc6 (17... Qb6 18. Bc1 f5 19. Qg3 Bd6
20. Qg5 $14 {Komodo12}) 18. Bf4 (18. O-O) 18... Qd5 (18... Qb6 19. Bc1 (19.
O-O-O Bd5 $17) 19... Rcd8 20. O-O Rd5 21. Qg3 Bd6 22. Qe3 Rd8 $14 {Komodo12})
19. h4 f6 20. Qxd5 exd5 21. Bh5 Red8 22. Bg6 Be8 23. h5 Rc6 24. Bxe8 Rxe8 25.
Ke2 $16 Bd6 26. Be3 (26. Bxd6 Rxd6 27. h6 $16 {Komodo12}) 26... f5 27. Rh3 f4
28. Bd2 Bc7 29. Rah1 Ree6 (29... Kh7 $14) 30. Rh4 Rf6 31. Rg4 Rce6 (31... Kh7
32. Rg5 Rcd6 33. Rh4 Rd7 34. Rhg4 Ra6 35. a3 Rb6 36. Bc1 Rf6 37. a4 $16 {
Komodo12}) 32. Rg5 f3+ (32... Rb6 33. b3 Ra6 34. h6 Rxh6 35. Rxh6 Rxh6 36. Rxd5
$18 {Stockfish10}) 33. Kf1 (33. gxf3 exf3+ 34. Kd3 $18 Re2 35. Rhg1 Rxd2+ 36.
Kxd2 Bf4+ 37. Kd3 Bxg5 38. Rxg5 Re6 39. Re5 Rd6 40. Re7 Rb6 41. b3 Kh7 42. Rd7
Re6 43. Rxb7 Re2 44. c4 Rxf2 45. Rxa7 $18 {Komodo12}) 33... fxg2+ 34. Kxg2 Rd6
35. Rh3 Kh7 36. Rhg3 Rd7 37. R3g4 Rdf7 38. Be3 Rd7 39. Rg6 (39. b3) 39... Rxg6
40. hxg6+ Kg8 41. Kh3 (41. f3) 41... Bd8 42. Bg5 Bf6 43. Kh4 Re7 44. Rf4 $18
Bxg5+ 45. Kxg5 e3 46. fxe3 Rxe3 47. Rf5 (47. Rf7 {getting onto the 7th &
threatening back rank is even stronger}) 47... Rg3+ 48. Kf4 (48. Kh5 {keeping
the g6 pawn is even stronger} Rh3+ 49. Kg4 Rh2 50. Rxd5 Kf8 51. Rf5+ Kg8 52.
Rb5 b6 53. Rd5 Kf8 54. Rd7 Rxb2 55. Rf7+ Ke8 56. Rxa7 Rc2 57. Rxg7 Rxc3 58. Rb7
Kf8 59. Kf5 $18 (59. d5 Rd3 60. Kg5 $18 Rxd5+ 61. Kh6 Rd6 62. Kh7)) 48... Rxg6
49. Rxd5 $16 Rg2 50. Rb5 b6 51. a4 Re2 52. c4 Kf8 53. b3 Re6 (53... Rh2 {
keeps Bl alive a little longer} 54. a5 Rh6 55. c5 bxc5 56. dxc5 Ke7 57. Rb7+
Ke6 58. Rxa7 Kd5 59. Rxg7 Kxc5 60. Rb7 Ra6 61. b4+ {though is a forced win})
54. Rf5+ Ke7 (54... Kg8 55. d5 Re1 56. d6 Rd1 57. Ke5 (57. Rd5 $2 Rxd5 58. cxd5
Kf7 $19) 57... Rd3 58. Ke6 g6 59. Rd5 Re3+ 60. Kf6 Rf3+ 61. Kxg6 Rg3+ 62. Kf5
Rf3+ 63. Ke4 Rf8 64. d7 Rd8 65. Ke5 Kf7 66. Kd6 $18) 55. Re5 {In theory a
protected passed pawn should be far superior to an unprotected passed pawn.
However one other factor is the relative K positions, & , although there are
several winning lines for Wh here, it looks as if the cannot be forced & the
Wh K can be ke} (55. Re5 Rxe5 56. Kxe5 a5 {otherwise Wh gets 2 passed pawns}
57. Kf5 Kf7 58. d5 (58. Kg5 Ke7 59. Kg6 Kf8 60. d5 Kg8 61. Kf5 (61. b4 {
to force another passed pawn, is no use here as Bl will Q with check}) 61...
Kf7 62. d6 (62. Ke5 Ke7 {gets nowhere}) 62... g5 (62... g6+ $2 {will lose} 63.
Ke5 Ke8 (63... g5 64. Kd5 Ke8 65. Kc6 Kd8 66. Kxb6 g4 67. Kb7 g3 68. c5 g2 69.
c6 g1=Q 70. c7+ Kd7 71. c8=Q+ Kxd6 72. Qd8+ Ke5 (72... Ke6 73. Qb6+) 73. Qxa5+
$18) 64. Ke6 Kd8 65. d7 $18 {as Wh can just get in another pawn}) 63. Kxg5 Ke6
64. Kf4 Kxd6 65. Ke4 Kc5 {and Bl holds the draw}) 58... Ke7 (58... Kf8 $2 {
loses as it gives the Wh K the space he needs.} 59. Ke6 Ke8 60. d6 Kd8 (60...
g5 61. d7+ Kd8 62. Kd6 g4 63. b4 g3 64. c5 bxc5 65. bxc5 g2 66. c6 g1=Q 67. c7#
) 61. d7 g5 62. Kd6 g4 63. b4 axb4 64. a5 bxa5 65. c5 {etc}) 59. Ke5 Kd7 60. d6
g5 61. b4 axb4 62. c5 bxc5 63. a5 b3 64. a6 b2 65. a7 b1=Q 66. a8=Q Qe1+ 67.
Kf5 (67. Kd5 Qh1+) 67... Qe3 {and Bl mates in 49- Lomonosov tablebases}) (55.
a5 {after all that it looks as if Wh needs to get rid of one more pawn &
perhaps aim , if getting an exchange of Rs is no longer possible, to get an
ending of R & 2 connected pawns vs R &1. The a5 pawn being very effective & it
helps to a weak b6 as a Wh target. Though it must be said most players would
gop for the r swap in the text} Rh6 56. axb6 axb6 57. Rg5 Kf6 58. b4 Rh4+ 59.
Rg4 g5+ 60. Kf3 Rh1 61. Ke4 Rc1 62. Kd5 (62. c5 Rc4 63. Rg1 Rxb4 64. c6 Ke7 (
64... Ke6 65. Rc1 $18) 65. Ke5 (65. Rxg5 Kd6 66. Rg6+ {and Wh mates in 30-
Lomonosov tablebases}) 65... Rc4 66. d5 g4 67. Rb1 (67. Ra1 Kf7 68. Ra7+ Kg6
69. c7 $18) 67... g3 68. d6+ Ke8 69. Rxb6 g2 70. d7+ Ke7 71. Rb8 {and Wh mates
in 14- Lomonosov}) 62... Kf5 63. Rg2 g4 64. c5 (64. b5) 64... bxc5 65. dxc5 Kf4
{and Wh mates in 24- Lomonosov tablebases. Perhaps the moral of the story is
that simple K & P endings are quite often not. And that actually some R & P
endings are easier to play. A drastic illustration of this can be found in R
Van Kemenade-Garcia, WCPL 2018,0-1}) 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.1"]
[White "Zeidler, Sven P."]
[Black "Taylor, Robert Graham"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2149"]
[BlackElo "1809"]
[Annotator "kemen"]
[PlyCount "119"]
[EventDate "2019.??.??"]

{[%evp 0,119,46,46,51,13,11,28,16,12,22,9,8,18,73,28,49,32,81,52,47,53,41,20,
18,20,21,19,34,7,30,-6,26,-2,-1,-54,-69,-73,-15,-22,1,-5,-4,4,0,14,67,89,110,
109,124,143,160,119,123,126,140,85,98,74,90,53,109,109,146,94,151,94,101,83,56,
49,100,94,98,40,155,148,152,162,175,77,85,73,83,93,114,112,159,145,265,272,492,
888,29993,436,436,436,461,465,460,469,475,497,482,446,537,555,579,567,552,584,
737,771,784,837,984,803,843,845,879,900]} 1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. Be2
Be7 5. O-O O-O 6. d4 d6 (6... exd4) 7. h3 h6 8. b3 (8. Be3) 8... Re8 (8... exd4
9. Nxd4 Nxd4 10. Qxd4 Re8 (10... c5 11. Qd3 b6 12. Nd5 a5 13. c4 Re8 14. Nxe7+
Qxe7 15. Bf3 Bb7 16. Bf4 Rad8 17. Rfe1 Bxe4 {Brvar-Skuhala, SLO ch U10, Murska
Sobota 2007,0-1}) 11. Bb2 b6 12. Bb5 Bd7 13. Bxd7 Qxd7 14. Nd5 {
Hera-Mjagmarsuren, Wld ch U10, Menorca 1996,1-0}) 9. Bb2 exd4 10. Nxd4 Bf8 11.
Nxc6 bxc6 $11 12. Bf3 Bb7 13. Re1 Nh7 (13... Nd7) 14. g3 g6 15. Ne2 (15. Na4
$11) 15... Ng5 16. Bg2 c5 17. Nc3 Bg7 18. Qd3 a5 19. Rad1 Ba6 20. Qd2 Bb7 21.
h4 Ne6 22. Na4 Bxb2 (22... Nd4 $11 {Komodo12}) 23. Nxb2 Kh7 24. Nc4 $16 Nd4 25.
c3 Ne6 26. e5 {and the Bl pawn struture is shown to be fragile} Bxg2 {and the
Bl pawn structure is shown to be fragile} 27. Kxg2 dxe5 (27... Ra6 28. h5 $16 {
Komodo12}) 28. Qxd8 (28. Qe3 Qf6 29. Nxe5 $16 {Komodo12}) 28... Rexd8 29. Nxe5
(29. Rxd8 Rxd8 30. Rxe5 $16 {also}) 29... Kg7 30. Nc6 Rf8 (30... Rxd1 31. Rxd1
Ra6 32. Ne5 Kf6 33. Rd5 Rd6 34. Rxd6 cxd6 35. Nc4 d5 36. Nxa5 $16 {Komodo12})
31. Rd7 Kf6 32. Ne5 Ra6 33. Rd5 Kg7 34. c4 Rd6 35. Nd7 Re8 36. Red1 Ra6 37.
R1d2 (37. Nxc5 Nxc5 38. Rxc5 Re2 39. Rxc7 Rxa2 40. Rcd7 Rb2 41. R7d3 Rb6 $14 {
Komodo12}) 37... Rc6 38. Ne5 Ra6 39. Rd7 Rf8 40. f4 {Bl is passively placed,
so Wh has time} a4 41. Re7 axb3 42. axb3 Nd4 43. Rxc7 Nxb3 44. Rdd7 Ra2+ (44...
Rf6 45. Kh3 h5 46. Re7 Rf5 47. Kg2 {Zugzwang, Bl must lose a pawn or an
exchange}) 45. Kh3 $18 Nd2 46. Nxf7 Kf6 (46... Rxf7 {avoids mate}) 47. Nxh6 (
47. Rd6+ $1 {Komodo12} Kg7 (47... Kf5 48. Re7 Nxc4 49. Nxh6#) 48. Ng5+ Kh8 49.
Rh7+ Kg8 50. Rxg6#) 47... Ke6 48. Re7+ Kd6 49. Nf7+ Rxf7 50. Rxf7 Nxc4 51.
Rfd7+ Ke6 52. Rg7 Kd5 53. Rxg6 Ne3 54. h5 (54. Rg5+ Ke4 55. Rgxc5) 54... Ra1
55. Kh4 c4 56. h6 Rh1+ 57. Kg5 Nf1 58. g4 Ng3 59. Rg8 Ne4+ 60. Kg6 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.2"]
[White "Young, Alan"]
[Black "Thomas, Roy"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2024"]
[BlackElo "1719"]
[Annotator "kemen"]
[PlyCount "69"]
[EventDate "2019.??.??"]

{[%evp 0,69,28,36,46,57,40,-7,3,-12,-4,-33,-10,-32,48,48,40,43,50,18,46,-26,22,
20,6,-1,-18,-11,-12,-4,3,-32,54,38,33,27,31,13,31,9,6,-1,11,10,60,49,70,52,63,
37,66,34,43,52,72,83,124,46,55,46,35,39,81,57,131,86,86,169,1217,1263,29997,
29998]} 1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Na3 (6. Be2)
6... cxd4 7. Nb5 Qd8 8. Nbxd4 Nxd4 9. Nxd4 (9. Qxd4 {main}) 9... a6 10. Qb3
$146 (10. Bf4) (10. Be2) 10... e6 (10... e5 $15 {Komodo12}) 11. Be2 Qc7 12. O-O
Bd6 13. Nf3 O-O $11 14. Bg5 {Wh has just be playing for simplicity, giving the
lower-rated player plenty of choices. Wh does have a 3 to2 majority on the Q
side for an ending} Ne4 15. Bh4 Be7 (15... Bd7 $15 {Komodo12}) 16. Bxe7 Qxe7
17. a4 Qc7 18. Rfd1 Bd7 19. Rd4 Bc6 20. Qc2 f5 $11 {the unbalance in the pawn
structure gives Wh something to explore} (20... Nf6 $11) 21. Bc4 Qe7 (21...
Rae8) 22. Ne5 $16 Rac8 (22... Bd5 23. Bxd5 exd5 24. Nd3 {and Bl has an
isolated pawn to defend}) 23. Nxc6 (23. f3 Nd6 24. Bb3 Nf7 25. Re1 $16 {
Komodo12}) 23... Rxc6 24. Rad1 $14 Rd6 25. Rxd6 (25. f3) 25... Nxd6 26. Ba2 Kh8
27. Qb3 e5 (27... Re8) 28. Qb6 (28. Qe6 {Komodo12} Qxe6 29. Bxe6 Ne4 30. Bxf5
Nxf2 31. Kxf2 Rxf5+ 32. Ke3 h6 33. Rd7 $16 {and the Q side majority comes into
play}) 28... Rf6 29. Qa7 Rf8 30. a5 f4 31. Qc5 Rf6 (31... Rd8 {FRitz13 &
Komodo12}) 32. Qd5 $18 Nf7 (32... Qe8 33. c4 {and the Q side pawns advance,
while has to sit on the defensive with his pieces}) 33. Qd7 Rd6 34. Rxd6 Qxd6
35. Qe8+ 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.3"]
[White "Williams, A. Howard"]
[Black "Waterfield, John W"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2268"]
[BlackElo "1935"]
[Annotator "kemen"]
[PlyCount "59"]
[EventDate "2019.??.??"]

{[%evp 0,59,63,5,28,-11,-1,37,59,26,102,21,63,22,59,53,38,52,39,37,42,17,9,13,
35,25,20,14,26,23,54,35,60,56,50,33,70,70,70,71,115,116,102,-2,29,-8,-13,-64,
-34,-43,104,154,482,462,804,640,861,1458,29987,1880,29987,29984]} 1. d4 Nf6 2.
c4 c5 3. d5 b5 4. Nf3 g6 (4... Bb7 5. Nc3 b4 6. Nb1 e6 7. dxe6 fxe6 8. Bg5 Be7
9. e3 {Hurn-Waterfield, Rd1 Dyfed Open 2019,1/2-1/2}) 5. Qc2 Bg7 6. e4 bxc4 7.
Bxc4 O-O 8. O-O d6 9. Nc3 Ba6 (9... Nbd7 {Hurn-Waterfield, Welsh Seniors ch
2018,1/2-1/2}) 10. Bxa6 Nxa6 11. Bf4 (11. Qe2) 11... Qb6 (11... Nc7) (11... Rb8
) 12. Qd2 $146 {Cloud Engines} (12. Rfe1) (12. Rad1) (12. Rab1) 12... Rab8 13.
Rab1 Nd7 14. Rfe1 Rb7 (14... Rfe8 $11 {Komodo12}) (14... c4 $11 {Stockfish8 &
Komodo12}) 15. Bh6 (15. e5 $16 {Komodo12}) 15... Rd8 16. Bxg7 Kxg7 17. Re3 Ne5
(17... Nc7 $11 {Komodo12}) 18. Nxe5 dxe5 19. Rh3 (19. b3) 19... Rh8 {too
passive} (19... h5 20. Rg3 Qd6 21. Qg5 Rdb8 22. b3 c4 23. Qxh5 cxb3 24. Rxb3
Rxb3 25. axb3 Rxb3 $11 {Komodo12}) 20. Qh6+ $18 Kg8 21. f4 (21. d6 e6 (21...
exd6 22. Nd5 Qd8 23. Rf3 $18) 22. Rd1 (22. Qg5 Rd7) 22... Rd7 23. Qg5 Rxd6 24.
Rhd3 h6 25. Qxe5 (25. Qf6 $1 {Komodo12 & Stockfish10}) 25... Rxd3 26. Rxd3 Kh7
27. Rd7 Rf8 28. Qf6 Kg8 29. Rd2 c4 30. h4 $16 {Komodo12}) 21... exf4 (21... c4+
22. Kh1 Nc5 $11 {Komodo12}) 22. e5 (22. Qxf4) 22... c4+ 23. Kh1 Qd4 $11 {
looks like losing a crucial tempo in getting the N back into play} (23... Nb4
$15 {Komodo12 & Stockfish10} 24. Qxf4 Nd3 25. Rxd3 cxd3 $17) 24. e6 fxe6 (24...
Nc5 {Komodo12 initially thinks this holds; Stockfish10 doesn't} 25. exf7+ (25.
Rf3 Nd3 $17) 25... Kxf7 26. Rf1 e5 27. dxe6+ Nxe6 28. Rhf3 g5 (28... Re7 29.
Ne2 Qg7 30. Rxf4+ Kg8 31. Qxg7+ Kxg7 32. Rxc4 $16 {Stockfish10}) 29. g3 Qf6 30.
gxf4 Qxh6 31. fxg5+ Ke7 32. gxh6 Rxb2 33. Rf7+ Kd6 34. Rd1+ Kc6 35. Rfd7 Nc7
36. R1d6+ Kb7 37. Nd5 Rc8 38. Rxh7 $18 {Komodo12- but Fischer tells us that
all long sequences have a hole in them somewhere.}) (24... f6 {may be forced}
25. Rf3 $16) 25. Rd1 Qf2 (25... Qf6 26. dxe6 Qf8 27. Qg5 Nb4 28. Rd7 $18 {
Komodo12}) 26. Rf3 $18 Qc2 27. Qxf4 (27. Rxf4 {& Bl must take the R on d1 to
avoid mate-Komodo12}) 27... Kg7 (27... Qf5 {initially thought by Bl to hold,
however} 28. Qxc4 (28. Qe3 {Komodo12}) 28... Rb4 29. Qxa6 Qe5 30. d6 $18 {
Komodo12}) 28. Qe5+ Kg8 29. Qxe6+ {[%emt 0:00:08] mate in} (29. dxe6 {[%emt 0:
00:05] mate in}) 29... Kg7 30. Qe5+ (30. Rf7+ {mates} Kh6 31. Qh3+ Kg5 32. Qe3+
Kh5 33. g4+ Kxg4 34. Rg1+ Qg2+ 35. Rxg2+ Kh4 36. Qh6#) 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.4"]
[White "Van Kemenade, Julie"]
[Black "Jones, Iolo C"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "1704"]
[BlackElo "2205"]
[Annotator "kemen"]
[PlyCount "88"]
[EventDate "2019.??.??"]

{[%evp 0,7,45,47,49,25,-6,2,-5,-27]} 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Bb3 (4.
Nf3 {main}) 4... d5 5. Nd2 (5. Nf3 {back to main}) 5... Na6 $146 (5... Bc5 6.
Ngf3 Nbd7 7. O-O O-O 8. h3 Re8 (8... a5 9. c3 b5 10. Re1 Qb6 11. Qe2 b4 {
J Van Kemenade-R Van Kemenade, S Wales New Year 2019,0-1}) 9. Re1 Qb6 10. Re2
Bf8 11. Qe1 {J Van Kemenade-R Van Kemenade, WLS ch 2018,0-1}) (5... Bd6 {main})
6. c3 (6. Ngf3 Bd6 7. O-O (7. d4 dxe4 8. dxe5 exf3 9. Nxf3 Bb4+ 10. c3 Qxd1+
11. Bxd1 Nd5 12. cxb4 Naxb4 13. O-O O-O $11) 7... O-O (7... Nc5 8. d4) 8. d4
$11 {Komodo12}) 6... Nc5 7. Bc2 dxe4 8. dxe4 Nd3+ 9. Bxd3 Qxd3 10. Qe2 (10. Qf3
Qc2 11. Qg3 Be6 12. Ngf3 Nxe4 13. Qxe5 Nxd2 14. Bxd2 O-O-O 15. Bg5 Qxb2 16. O-O
Rd5 17. Qe1 {Komodo12} Bc5 $17) 10... Qxe2+ 11. Nxe2 Be6 (11... Bd6) 12. Ng3 (
12. f4 Bd6 13. f5 Bd7 14. Ng3 Bc7 15. Nf3 h6 $15 {Komodo12}) 12... g6 (12... h5
) 13. Nf3 Bd6 14. Bg5 (14. Ng5 {Komodo12}) 14... Nd7 15. Rd1 Be7 (15... Bc7)
16. b3 (16. Bxe7) 16... f6 17. Bc1 (17. Be3) 17... a5 18. O-O a4 19. Nd2 axb3 (
19... O-O $19) 20. axb3 Nc5 21. c4 Nd3 (21... Ra2 $19) 22. Nb1 Nxc1 23. Rxc1
Bb4 24. Ne2 g5 (24... O-O) 25. Nbc3 Ke7 26. h3 Ra3 27. Rb1 Rd8 28. Rfc1 (28.
Rfd1 Rd7 29. Rxd7+ Kxd7 30. Nd1 Bc5 31. Ne3 Ra2 32. Ng3 Rd2 $17 {Komodo12})
28... Rd3 $19 29. Nd5+ {sowing confusion} cxd5 30. cxd5 Bd7 31. Rc7 Ra7 32. Ng3
Kd8 33. Rc4 Be7 34. Rbc1 b5 35. R4c2 Rxb3 36. Nf5 Ba3 37. Rd1 Bxf5 38. exf5 Rc7
39. Rc6 Rxc6 40. dxc6+ Kc8 (40... Kc7 41. Rd7+ Kxc6 42. Rxh7 b4) 41. Rd7 Rc3
42. Rb7 b4 43. Rb6 b3 44. c7 Kxc7 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.22"]
[Round "3.5"]
[White "Van Kemenade, Rudy"]
[Black "Bevan, Peter M"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1944"]
[BlackElo "1907"]
[Annotator "kemen"]
[PlyCount "86"]
[EventDate "2019.??.??"]

1. e4 d5 2. Nf3 c6 3. Nc3 (3. d4 dxe4 4. Ng5 Nf6 5. Bc4 e6 6. Nc3 Bb4) 3... Bg4
4. h3 Bxf3 5. Qxf3 e6 6. d3 (6. exd5 exd5 7. d4 Nf6 8. Bg5 Nbd7 9. O-O-O {
D Roberts-Bevan, WLS ch 1995,1/2-1/2}) 6... Nf6 (6... Nd7 {main}) 7. g4 (7. Bd2
) (7. a3) (7. g3) 7... Bb4 8. Bd2 (8. a3 Qa5 9. Bd2) 8... d4 9. Nb1 Qb6 10. b3
(10. c3 {main, considered} Bc5 11. Bc1 a5) 10... Nbd7 $146 (10... Bxd2+ 11.
Nxd2 Qc5 12. Qd1 {Stockfish10} (12. Qe2 Qxc2 13. f4 Na6 14. a3 Nc5 $17 {
Sauerwald-Stepa, Lippstadt Turm op 1999,1-0} (14... e5 $19)) (12. Rc1 Nbd7 13.
Bg2 h5 14. Qg3 hxg4 15. hxg4 Rxh1+ 16. Bxh1 Qg5 17. Ke2 O-O-O 18. f4 Qxg4+ 19.
Qxg4 Nxg4 20. Rg1 f5 21. Nc4 $11 {Jurlina-Dudek, Oberliga Baden 2006,0-1})) 11.
Bg2 (11. g5 Ne5 12. Qg3 Nfd7 13. f4 Ng6 14. h4 $11 {Cloud Engines}) 11... Qa5
12. Qd1 (12. a3 Bxd2+ 13. Nxd2 h5 14. b4 Qc7 15. g5 Ne5 16. Qg3 (16. Qe2 Nfd7
17. f4 Ng6 18. f5 Nf4 19. Qf2 e5 $15) 16... h4 17. Qh2 Nh5 18. Ke2 O-O-O 19.
Bf3 Ng6 20. Qxc7+ Kxc7 21. Bxh5 Rxh5 22. Nf3 e5 $15) 12... h5 $17 13. g5 $2 (
13. f3 g5 $17 {Stockfish10}) 13... Bxd2+ (13... Qxg5 $1 14. O-O Bxd2 15. Nxd2
Qf4 $19 {Stockfish10}) 14. Qxd2 Qxd2+ 15. Nxd2 Nh7 16. h4 $11 (16. f4 e5 17. h4
exf4 18. Nf3 c5 19. b4 cxb4 20. a3 bxa3 21. Rxa3 Nhf8 22. Nxd4 Ne6 23. Nxe6
fxe6 24. O-O O-O $11 {Stockfish10}) 16... e5 17. Nc4 (17. Bh3) (17. a4) 17...
Ke7 18. Bh3 Nhf8 19. Bf5 (19. Bxd7 Nxd7 20. a4) (19. a4 Ne6 20. Bxe6 Kxe6 21.
b4 f6 $11 {Stockfish10}) 19... g6 (19... Ne6) 20. Bxd7 Nxd7 21. f4 (21. a4 Rhf8
22. Ke2 f6 $11) 21... exf4 22. O-O b5 23. Nd2 (23. Na5 Ne5 24. Rxf4 Rhf8 25. b4
Rfc8 26. Nb3 a5 27. bxa5 c5 28. Rb1 Kf8 $11 {Stockfish10}) 23... Ne5 (23... f6
$11) 24. Rxf4 (24. Nf3 Nxf3+ 25. Rxf3 Rhf8 26. Rxf4 f6 27. Rxf6 Rxf6 28. gxf6+
Kxf6 29. Rf1+ Ke6 30. Rf2 Rg8 31. Rg2 Ke5 32. Rg5+ Kf4 33. Kf2 c5 34. Ke2 a6
35. Kd2 Rg7 36. a4 bxa4 37. bxa4 a5 38. c3 Rb7 39. Kc2 Rc7 40. Rxg6 c4 $11 {
Stockfish10}) 24... Rad8 (24... Ng4 25. Nf3 Rhd8 26. a4 b4 27. Rf1 c5 28. Nd2
Rf8 29. Nc4 $14) 25. a4 (25. b4 {pm analysis} Ra8 26. Nb3 a5 27. Nxa5 (27. bxa5
c5 28. a4 $16) 27... c5 28. Nb3 cxb4 29. Nxd4 Rhd8 30. Nxb5 Rac8 31. d4 Rb8 32.
a4 bxa3 33. Rxa3 Rxb5 34. dxe5 Rd7 $11 {Stockfish10}) (25. Nf3 Nxf3+ (25... Ng4
26. b4 $16 Ne3 27. Rf6 $18) 26. Rxf3 Rd6 27. a4 Rc8 (27... Rd7 28. Rf6 $18 Rc7
29. e5 Rg8 30. Kg2 $18) 28. axb5 Rc7 29. b6 axb6 30. Kf2 c5 31. Kg3 $16 {
Stockfish10}) 25... Rd7 26. axb5 $16 (26. b4) (26. Nf3 Nxf3+ 27. Rxf3 Rc8 28.
Rf6 Rd6 29. e5 Re6 30. axb5 Rc7 31. Raf1 Rxf6 32. exf6+ Kd6 33. Rf4 Kd5 34. Re4
cxb5 35. b4 $1 a6 36. Re2 Kd6 37. Kf2 Rc3 38. Kg3 Rc7 39. Kf4 Rc8 40. Re7 Rxc2
(40... Rf8 41. Ke4 $18) 41. Rxf7 $18 {Stockfish10}) 26... cxb5 $11 27. Ra5 Rb7
(27... Rb8) 28. Nc4 $5 (28. Nf3 Nxf3+ 29. Rxf3 Rc8 30. Rf2 Rbc7 31. Rxb5 Rxc2
32. Re5+ Kf8 33. Rd5 Rxf2 34. Kxf2 Rc2+ 35. Kg3 Rc3 36. Rxd4 Rxb3 37. Kf4 a5
$11 {Stockfish10}) 28... Nc6 (28... Ng4 29. Rxf7+ Kxf7 30. Nd6+ Ke7 31. Nxb7
Rc8 32. Rxa7 Rxc2 33. b4 Rb2 34. Ra6 Rxb4 35. Rxg6 Rb1+ 36. Kg2 b4 37. Nd6 Ne3+
38. Kh2 Ng4+ 39. Kg2 Ne3+ $11 40. Kf2 Rf1+ 41. Ke2 Rh1 42. Nc8+ Kd7 43. Nb6+
Kc7 44. Na4 b3 45. Rg7+ Kc6 46. Rg8 Ng2 $11 {Stockfish10}) 29. Ra6 (29. Rf6
Nxa5 30. Nxa5 Rc7 31. Nc6+ Kf8 32. Nxd4 Kg7 33. Kf2 Rb8 34. Ra6 Rb6 35. Ra2 b4
36. Ke3 $11 {Stockfish10}) 29... bxc4 (29... Rc8 30. Rxf7+ Kxf7 31. Nd6+ Ke6
32. Nxb7 Ke5 33. Kg2 Rc7 34. Nc5 Nb4 35. Re6+ Kf4 36. Rf6+ Kg4 37. c3 Rxc5 38.
cxb4 Rc2+ 39. Kf1 Kxh4 40. Rxg6 Rd2 41. Rd6 Kxg5 42. Rxd4 h4 $11 43. e5 h3 44.
Kg1 a6 45. Re4 Rxd3 46. e6 Rd8 47. e7 Re8 48. Kh2 Kf6 $11 {Stockfish10}) 30.
Rxc6 cxd3 31. cxd3 $11 Rd8 (31... Rxb3) 32. e5 (32. Rcf6 Ke8 33. e5 Rxb3 {
pm analysis} 34. e6 (34. Rxf7 Rxd3 35. Kg2 Rd5 $11) 34... Rb6 35. Rxf7 (35.
exf7+ Kf8 36. Rxb6 axb6 37. Rf6 Rb8 38. Rxg6 Kxf7 39. Rf6+ Kg7 40. Kf2 b5 41.
Ke1 b4 42. Kd2 b3 43. Kc1 Rc8+ 44. Kb2 Rc3 45. Rh6 Rxd3 46. Rxh5 Rh3 47. Rh6
Kg8 48. h5 Kg7 49. Ka3 Rg3 50. Rg6+ Kh7 51. Rh6+ Kg7 52. Rg6+ $11) 35... Rdd6 (
35... Rxe6 36. Rf8+ Ke7 37. R4f7+ $18) 36. Rxa7 Rxe6 $11) 32... Rxb3 33. Rc7+ (
33. Rff6 Rb6 34. Rc7+ Rd7 35. Rxd7+ Kxd7 36. Rxf7+ Ke6 37. Rxa7 Kxe5 38. Re7+
Kf4 39. Kg2 Rb2+ 40. Kh3 Kf3 41. Re6 Rb1 $11 {Stockfish10}) 33... Rd7 (33...
Ke6 $15 {Stockfish10}) 34. Rxf7+ Kxf7 35. Rxd7+ Ke6 36. Rxd4 Kxe5 37. Ra4 Rxd3
38. Rxa7 $11 Rd4 39. Rg7 (39. Ra6) 39... Rxh4 40. Rxg6 Kf5 41. Rg8 Rg4+ 42. Kh2
Rxg5 43. Rxg5+ Kxg5 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.6"]
[White "Heap, Gerry"]
[Black "Paffard, Mark"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2095"]
[BlackElo "1731"]
[Annotator "kemen"]
[PlyCount "61"]
[EventDate "2019.??.??"]

{[%evp 0,61,38,-14,0,-25,-10,-26,3,9,25,21,34,30,47,55,49,37,65,46,93,102,134,
159,134,79,134,56,53,16,129,157,233,233,378,301,389,410,462,460,575,517,517,
506,654,672,723,434,469,424,437,472,490,475,674,833,1132,1267,1292,1292,1325,
1240,2056,2233]} 1. c4 Nf6 2. g3 e6 3. Bg2 Be7 4. Nf3 d6 {rather passive} (4...
d5 {main}) 5. O-O O-O 6. Nc3 Nbd7 7. d4 a6 (7... e5 {main, at least tries to
get a foothold in the centre}) 8. Qc2 (8. e4) 8... Rb8 9. e4 c5 (9... e5 {
prevents Wh from playing there}) 10. e5 $16 Ne8 11. exd6 Nxd6 12. b3 (12. dxc5
Nxc5 13. b4 Nd7 14. c5 Nf5 15. Ne4 $18 {Komodo12}) 12... b5 (12... cxd4 13.
Nxd4 e5 14. Nf5 Nxf5 15. Qxf5 Bd6 16. Rd1 Nf6 17. Qc2 Qe7 18. Bg5 $16 {Komodo12
}) 13. cxb5 (13. dxc5 Nxc5 14. b4 Na4 15. Nxa4 bxa4 16. c5 Nf5 17. Rd1 Qe8 18.
Rb1 Bb7 19. Bf4 $16 {Komodo12}) 13... axb5 14. Bf4 g5 $6 {disrupts Bl's K side}
(14... c4 $14) 15. Nxg5 Bxg5 (15... Nf5 16. Nxh7 Kxh7 17. g4 $18 {Komodo12})
16. Bxd6 $18 Ba6 17. Rfd1 (17. dxc5) 17... Bf6 18. dxc5 Qa5 19. Rac1 Rfc8 20.
Bxb8 (20. c6 $1 {Komodo12}) 20... Nxb8 21. Ne4 Be7 (21... Bg7) 22. Qb2 Bb7 23.
b4 (23. Nd6) 23... Qa8 24. f3 (24. Nd6 {Komodo12}) 24... Bd5 25. Nf6+ Bxf6 26.
Qxf6 Qxa2 27. Rd4 Nc6 (27... h5 28. Rf4 Qa7 29. Qg5+ Kf8 30. Qh6+ Ke7 31. Qf6+
Ke8 32. Qh8+ Ke7 33. Qxc8 $18 {Komodo12}) 28. Rg4+ Kf8 29. Qh8+ Ke7 30. Qxc8
Ne5 31. Qc7+ 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.8"]
[White "Greatorex, Roger"]
[Black "May, Frank"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1713"]
[BlackElo "2069"]
[Annotator "kemen"]
[PlyCount "52"]
[EventDate "2019.??.??"]

{[%evp 0,101,18,-56,-52,-59,-34,-32,-20,-47,-29,-29,-22,-29,-2,-25,-2,-2,8,19,
3,7,6,-20,0,-5,-8,0,60,-37,53,53,58,58,64,64,59,59,115,124,133,129,129,144,160,
160,262,184,184,178,178,178,211,196,303,302,302,305,305,309,332,276,289,238,
331,234,252,252,261,255,277,230,295,295,295,256,268,218,228,249,249,317,417,
365,512,512,1152,625,853,1016,1016,1016,1032,1032,1032,1032,1032,1032,1364,
1305,1364,1379,1393,1394]} 1. Nf3 d5 2. b4 e6 3. Bb2 Nf6 4. a3 Nbd7 (4... c5)
5. e3 Be7 (5... Bd6) 6. c4 O-O (6... dxc4 7. Bxc4 Nb6 8. Bb3) 7. c5 c6 8. Be2
b6 9. cxb6 (9. d4 {Komodo12} bxc5 10. dxc5 a5 {Rush -Rossini, LSS email 2011,
1-0}) 9... axb6 $15 10. O-O c5 11. b5 Bd6 12. d3 Bb7 13. Nbd2 e5 14. Qc2 Re8
15. e4 d4 (15... c4 $15 {Komodo12}) 16. Nc4 $11 Bc7 17. Bc1 Bc8 18. Bg5 h6 19.
Bh4 Nf8 20. Bg3 Ng6 21. Nfd2 (21. a4 $11) 21... Nf4 22. Bxf4 exf4 $15 23. Bf3
Rb8 (23... Ng4 24. h3 Ne5 25. Nxe5 Rxe5 26. Nc4 Rg5 $15 {Komodo12}) 24. Qd1 g5
(24... Be6 $15) 25. h3 Kg7 26. Re1 Be6 $11 {it will be difficult for Bl to get
h5 organized.} 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.9"]
[White "Miller, John S"]
[Black "Byway, Paul V"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1686"]
[BlackElo "2060"]
[Annotator "kemen"]
[PlyCount "96"]
[EventDate "2019.??.??"]

{[%evp 0,96,69,33,17,28,45,45,24,23,40,21,20,18,9,-10,1,-8,-8,-3,8,0,25,0,43,
-15,-6,-44,-27,-51,-18,-44,-39,-43,-23,-23,-4,-16,-3,1,0,6,5,-13,-16,-24,-12,
-10,2,9,12,17,10,11,13,0,19,7,15,13,17,-10,0,0,5,-4,3,-2,-17,-25,-26,-26,-27,
-15,-46,-28,-30,-89,-95,-150,-107,-127,-43,-143,-151,-148,-133,-163,-130,-208,
-133,-284,-281,-471,-471,-29993,-29994,-29995,-29996]} 1. d4 Nf6 2. Bf4 g6 3.
Nf3 Bg7 4. e3 O-O 5. Nbd2 d6 6. Be2 Nbd7 7. c3 b6 8. O-O Bb7 9. h3 c5 {main} (
9... Qe8 {Miller-J Van Kemenade, d5 Dyfed Open 2019,1/2-1/2}) 10. Re1 (10. a4 {
main}) 10... a6 11. Qc2 (11. a4 {main}) 11... b5 (11... Rc8 {2 Bl wins, 1 draw}
) 12. a3 (12. a4) 12... Qc7 13. Rac1 Rac8 (13... e5) 14. Bh2 Qb8 15. Nb3 (15.
a4 $11) 15... Be4 16. Qd1 Qa8 (16... c4 17. Nbd2 Bd5 $15) 17. Nbd2 Bc6 18. Bd3
(18. c4 $11 {Komodo12}) 18... Ne4 19. Nxe4 Bxe4 20. Bxe4 Qxe4 21. Nd2 $11 (21.
a4 $11) 21... Qb7 22. Qe2 (22. Qf3) 22... Nb6 23. Rcd1 Na4 24. Nf3 Qd5 25. Qc2
Qa2 26. Re2 Nb6 27. Ree1 (27. dxc5 Rxc5 28. e4 $11 {Komodo12- a Sicilian
structure}) 27... Rfe8 28. Ra1 Qd5 29. e4 Qb7 30. Rad1 cxd4 31. Nxd4 Nd7 (31...
Nc4 {looks more logical, using the outpost square}) 32. Kh1 Rc4 33. f4 (33. Nf3
Rc5 34. Bf4 $11 {Komodo12}) 33... Bxd4 34. Rxd4 Rxd4 35. cxd4 Rc8 36. Qd2 (36.
Qe2 Qc6 37. e5 d5 38. e6 (38. f5 gxf5 39. Qf3 Qe6 $15) 38... Qxe6 39. Qxe6 fxe6
40. Rxe6 Kf7 41. Rxa6 Rc2 42. b4 $11 {Komodo12}) 36... Nf6 37. Qd3 Qc6 38. f5 (
38. e5 Nd5 39. f5 dxe5 40. dxe5 e6 41. fxe6 fxe6 42. Bg1 Qc2 43. Qd4 Rc4 44.
Qa7 $11 Nf4 45. Qa8+ Rc8 46. Qf3 Nd5 47. Bd4 Qf5 48. Qd1 Kg7 $15 {Komodo12})
38... Qc2 39. Qe3 (39. Qe2 Qb3 40. Qd2 Qc2 41. Qe3 d5 $15 (41... Qxb2 $17))
39... Qxb2 $17 40. e5 Rc3 41. Qh6 Qf2 $19 42. Rc1 Rxc1+ 43. Qxc1 Ne4 44. f6
exf6 45. exd6 (45. e6 Qxd4 46. e7 Nf2+ 47. Kg1 Nxh3+ 48. Kh1 Nf2+ 49. Kg1 Nd3+
50. Kh1 Nxc1 51. e8=Q+ Kg7 $19 {Komodo12}) 45... Qxd4 46. Qc8+ Kg7 47. d7 Nf2+
48. Kg1 Nxh3+ 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.10"]
[White "Hurn, Robert Aj"]
[Black "Barnaby, Nicholas"]
[Result "0-1"]
[ECO "E58"]
[WhiteElo "1632"]
[BlackElo "1998"]
[Annotator "kemen"]
[PlyCount "80"]
[EventDate "2019.??.??"]

{[%evp 0,80,19,31,14,-14,-11,-9,-3,26,31,20,41,19,19,19,20,28,8,4,54,13,19,-19,
-11,-1,1,16,-6,-34,-33,-46,-30,-43,-15,-28,-24,-69,-31,-30,-42,-36,-47,-32,-29,
-29,-28,-40,-36,-71,-76,-85,-95,-95,-69,-115,-95,-116,-69,-155,-138,-126,-96,
-202,-150,-204,-151,-202,-201,-397,-240,-347,-420,-453,-301,-439,-320,-272,
-193,-444,-549,-29995,-29996]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3
d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. h3 (10. cxd5) (10. Bb2)
10... b6 (10... dxc4 11. Bxc4 e5) 11. Qc2 $146 (11. cxd5) (11. Bb2) 11... Ba6 (
11... dxc4 12. Bxc4 Bb7 $15 {Komodo12}) 12. cxd5 Bxd3 13. Qxd3 exd5 14. Rd1 (
14. dxc5 bxc5 15. c4 dxc4 16. Qxc4 Ne5 17. Nxe5 Qxe5 18. Rb1 Qe4 19. Qxe4 Nxe4
20. f3 Nc3 21. Rb3 Na4 22. e4 $11 {Komodo12}) 14... c4 $15 {Bl sets about
blockading the Wh pawns & trying to keep the B bad.} 15. Qc2 Rfe8 (15... b5)
16. a4 Qd7 17. Ba3 {even though it gets outside the pawn chain, the B is still
not doing much; while c3 needs constant watch} Ne4 18. Nd2 f5 (18... Na5 $15)
19. Nxe4 fxe4 20. Qe2 Rad8 21. Ra2 Qf5 22. Rf1 Re6 {Bl can launch a K side
assault & the B is left on the sidelines} 23. Kh1 (23. f3 {must be tried- Wh
needs the ability to protect along the second rank. Komodo12 gives this as
equal, but Wh still has to careful in his defence.}) 23... Rde8 24. Bc1 Rf6 (
24... Rg6 $5) 25. Bd2 Ref8 26. Be1 h6 27. Qd1 Ne7 28. a5 Qg5 (28... b5) 29. Re2
(29. axb6 axb6 30. Qg4 {gets rid of the main attacker} Qxg4 31. hxg4 Rg6 32.
Ra7 Re8 33. Rb7 Rxg4 34. Rxb6 Nf5 $15) 29... Nf5 (29... Rg6 $19 30. Rg1 Rf3 31.
g3 Qf5 (31... b5 {Stockfish10}) 32. Kh2 bxa5 33. Qa4 Nc6 34. Rb2 h5 35. h4 Rf6
$19 {Komodo12}) 30. Rg1 bxa5 31. Bd2 Qh5 (31... Nh4 32. Qf1 Qf5 33. Bc1 Rg6 34.
Ba3 (34. g3 Nf3 $19) (34. g4 Qf3+ 35. Kh2 Rb6 36. Rg3 Qf7 37. Ba3 Rfb8 $19)
34... Rxg2 $19 {Komodo12}) 32. Qe1 Qe8 (32... Nh4 33. Bc1 Nf3 $19 {Komodo12}) (
32... Rg6 33. Bc1 Nh4 34. g4 Qg5 35. Rg3 Nf3 36. Qd1 h5 $19 {Komodo12}) 33. Qa1
a4 34. Qa3 Qd7 (34... Qh5 35. Ree1 Nh4 $19 {Komodo12}) 35. Qc5 Nh4 36. Be1 Nf3
(36... Rf3 $1 {is even stronger- Komodo12 now gives up the Wh Q} 37. Kh2 Rxh3+
38. gxh3 Nf3+ 39. Kg2 Rf6 {mating}) (36... Rg6 37. g4 Nf3 38. Rg3 Rb6 39. Qa3
Rb1 40. Qa2 Rxe1+ 41. Rxe1 Nxe1 $19 {Komodo12 & the B has gone}) 37. Rf1 Rc6 (
37... Rg6) 38. Qa3 Ng5 (38... Rg6 39. Qb2 Rg5 {thr Rh5 & Komodo12 sheds the Q
to delay mate}) 39. Qxa4 Rf3 40. Rb2 Rxh3+ 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.11"]
[White "May, Adam J"]
[Black "Fraser, Susanna"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "1906"]
[BlackElo "1578"]
[Annotator "kemen"]
[PlyCount "41"]
[EventDate "2019.??.??"]

{[%evp 0,52,28,25,25,-16,-4,-26,-8,-26,3,-45,-35,-10,-3,-3,-4,-4,24,21,16,25,
19,0,-2,15,2,12,30,8,12,1,31,-30,-29,-32,-41,-56,-193,-176,-183,-182,-171,-200,
-208,-244,-243,-237,-262,-257,-259,-275,-257,-337,-358]} 1. c4 Nf6 2. g3 e6 3.
Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 c5 (6... c6 7. Bb2 Nbd7 8. d3 {A May-F May,
Dyfed Open 2018,1/2-1/2}) 7. Bb2 Nc6 8. e3 b6 9. Nc3 Qc7 (9... Bb7 {main} 10.
cxd5 exd5 11. d4 Rc8 12. Rc1 Ba6 13. Re1 Nb4 14. Ne5 Nd7 15. Nxd5 Nxe5 16. Nxb4
cxb4 17. dxe5 Qxd1 18. Rexd1 {May-V Sivarajasingam, S Wales New Year op 2015,
1-0}) (9... Ba6) 10. cxd5 exd5 (10... Nxd5 {also played}) 11. d4 Ba6 12. Re1
Nb4 (12... Rad8 13. dxc5 bxc5 14. a3 Rd7 15. Rc1 Rfd8 16. Na4 c4 17. Bxf6 gxf6
18. Bh3 Rd6 19. Nh4 Bc8 20. Bf5 Ne5 {Laqua-Hartmann, Oberliga Nord 1994,1/2-1/2
}) (12... Rfd8 13. Rc1 Ne4 14. a3 Qd7 15. Qc2 Qe6 16. Red1 Rac8 17. Qb1 f5 18.
Na4 Be2 {Villavicencio Martinez-Vega Gutierrez, Vecindario Canarias op 2010,0-1
}) 13. Ne5 $16 Bd6 (13... Bb7 14. Rc1 $16) 14. a3 $18 Nc6 15. Nxc6 Qxc6 16.
dxc5 Qxc5 (16... bxc5 17. Nxd5) (16... Bxc5 17. b4 Be7 18. Nxd5) 17. Nxd5 Nxd5
18. Bxd5 Rad8 (18... Bxg3 19. hxg3 Rad8 20. e4 $18 {Komodo12}) 19. Rc1 Qb5 20.
Qd4 {the mate can only be delayed} Qxd5 21. Qxg7# 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.12"]
[White "Horrell, Stephen A"]
[Black "Buttell, David"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1592"]
[BlackElo "1793"]
[Annotator "kemen"]
[PlyCount "66"]
[EventDate "2019.??.??"]

{[%evp 0,66,5,43,51,44,32,20,43,51,49,40,31,30,4,6,38,-10,3,6,32,-30,-26,-12,
-10,-3,-26,-35,-44,-36,46,13,19,-5,23,-52,-43,-80,-81,-93,-102,-139,-133,-91,
-74,-164,-175,-197,-184,-193,-173,-169,-173,-1256,-1257,-1257,-1330,-1464,-397,
-506,-521,-547,-655,-658,-673,-673,-686,-870,-877]} 1. e4 c5 2. Nc3 Nc6 3. f4
g6 4. Nf3 (4. Bb5 Nd4 5. d3 a6 6. Bc4 e6 7. Nf3 Ne7 8. Nxd4 cxd4 9. Ne2 Bg7 10.
O-O O-O {Davies-Buttell, Dyfed League 2019,1-0 (10 days before)}) 4... Bg7 5.
Bb5 Nd4 6. O-O a6 7. Bd3 e6 (7... d6 {more frequent}) 8. Nxd4 (8. e5 {main})
8... Bxd4+ (8... cxd4 {main}) 9. Kh1 b5 (9... Ne7) (9... d6) 10. Ne2 Bg7 11. c3
f5 (11... Ne7 12. Ng3 O-O 13. a4 c4 14. Bc2 Bb7 15. d3 Nc6 {Maroroa-Tan,
Doeberl Cup Major, Canberra 2009,1/2-1/2}) (11... Bb7 {Stockfish10}) 12. exf5 (
12. Bc2) 12... gxf5 (12... exf5 $15) 13. Bc2 Nf6 14. d4 Ng4 (14... cxd4 15.
Nxd4 Bb7 $11 {Stockfish10}) 15. Qe1 (15. h3 h5 (15... Bb7 16. hxg4 Qh4+ 17. Kg1
Qxg4 18. Kf2 Bxg2 19. Rg1 Qf3+ 20. Ke1 Bf6 21. Qd3 h5 22. Qxf3 Bxf3 23. dxc5 h4
24. Kf2 Bb7 25. Rg2 Bxg2 26. Kxg2 h3+ 27. Kh1 $14) 16. d5 $14 {Stockfish10})
15... c4 16. Qg3 (16. d5 $11) 16... Bf6 (16... Bb7 $17 {Stockfish10}) 17. Qh3 (
17. h3 h5 18. Ng1 Bb7 19. Nf3 Qc7 20. a4 $11 {Stockfish10}) 17... h5 $17 18.
Be3 Bb7 19. Rad1 (19. Ng1) 19... Bd5 (19... Qb6 $19 {Stockfish10}) 20. Rfe1 Kf7
(20... Qc7 21. Ng3 O-O-O $19 {Stockfish10}) 21. Ng1 Qc7 (21... b4) 22. Nf3 Rag8
$19 23. Ng5+ Bxg5 24. fxg5 Rxg5 25. Rd2 (25. Bxg5 Nf2+) 25... Nxe3 26. Rxe3 Qf4
27. Kg1 Rhg8 28. Ree2 Bf3 (28... Bxg2 $1 {Stockfish10} 29. Rxg2 Qxd2 30. Rxg5
Qe1+ 31. Kg2 Qe2+ 32. Kg1 (32. Kh1 Rxg5) 32... Rxg5+ 33. Qg3 Rxg3+ 34. hxg3
Qxc2 $19) 29. Rf2 Rxg2+ (29... Qe3 $1 {Stockfish10} 30. Qxf3 Qe1+ 31. Rf1 Qxd2
32. Rf2 Qe1+ 33. Rf1 Rxg2+ 34. Qxg2 Qe3+ 35. Kh1 Rxg2 36. Kxg2 h4 $19) 30. Rxg2
Rxg2+ (30... Qe3+ 31. Rdf2 Rxg2+ 32. Qxg2 Bxg2 33. Kxg2 h4 $19 {Stockfish10})
31. Rxg2 Qc1+ 32. Kf2 Qxc2+ 33. Kxf3 (33. Kg3 Qd3 (33... Qxg2+ 34. Qxg2 Bxg2
35. Kxg2 d6 {is much simpler}) 34. Qh4 Bd5+ 35. Kf2 Qd2+ 36. Kf1 Bxg2+ 37. Kg1
Bf3 $19 {Stockfish10}) 33... Qd3+ 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.13"]
[White "Haigh, Tony"]
[Black "Jones, Dewi"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1793"]
[BlackElo "1504"]
[Annotator "kemen"]
[PlyCount "62"]
[EventDate "2019.??.??"]

{[%evp 0,62,18,28,21,8,12,-11,-13,15,30,20,20,17,27,11,68,70,67,97,75,37,22,6,
-1,19,4,0,4,0,17,11,93,58,133,137,182,201,217,233,243,249,244,278,283,285,269,
180,177,137,147,134,144,144,160,110,182,170,158,41,0,-116,-107,-29997,-29998]} 
1. d4 Nf6 2. Bg5 c5 3. Bxf6 exf6 (3... gxf6) 4. Nc3 (4. d5 {main}) (4. dxc5
Bxc5 5. e3 d5 {Haigh-Gibbons, WCPL 2013,1/2-1/2}) (4. e3 Qb6 5. b3 d5 {
Haigh-Gibbons, S Wales Autumn open 2013,1/2-1/2}) 4... cxd4 (4... d5 {main}) (
4... Qa5 5. dxc5 Bxc5 6. e3 O-O {Haigh-Gibbons, WCPL 2010,1/2-1/2}) 5. Qxd4 Nc6
6. Qe4+ Be7 7. e3 Qa5 $146 (7... O-O {main} 8. Bc4) 8. O-O-O $16 f5 9. Qd5 O-O
10. g3 (10. Qxa5 Nxa5 11. Nge2 $16) 10... Bc5 11. Nge2 (11. Kb1) 11... d6 12.
Qb3 Be6 (12... Ne5 $11) 13. Qb5 Qxb5 (13... Qc7) 14. Nxb5 Bxa2 $2 (14... Ne5
15. h3 Rfd8 16. Bg2 Rab8 17. Nf4 Kf8 18. Kb1 $14 {Stockfish10}) 15. b3 $18 a6
16. Nbc3 Ba3+ 17. Kd2 Bxb3 (17... Bb4 18. Nc1 Bb1 19. Nd3 $18) 18. cxb3 Bb4 19.
Kc2 (19. Bg2) 19... Rac8 20. Bg2 Bxc3 21. Nxc3 Nb4+ 22. Kb2 Rc7 23. Nd5 (23.
Rxd6) 23... Rc2+ 24. Kb1 (24. Ka3 Rxf2 25. Kxb4 Rxg2 26. Ne7+ Kh8 27. Nxf5 $18
{Stockfish10}) 24... Rxf2 25. Ne7+ Kh8 26. Bxb7 Re8 27. Rc1 (27. Rxd6 $18)
27... Re2 (27... g6 28. Nd5 Rb8 29. Nxb4 Rxb7 30. Rc2 Rf3 31. Nd5 Rxb3+ 32. Kc1
a5 33. Kd1 Rb1+ 34. Ke2 Rxh1 35. Kxf3 Ra1 36. Rc6 a4 37. Ra6 $18 {Stockfish10})
28. Nxf5 $18 (28. Nd5 Nd3 29. Rc8 $18 (29. Rc3 Nc5 30. Bc6 Rc8 31. Nf4 Rd2 32.
Bd7 Rb8 33. Bxf5 $18 {Stockfish10})) 28... g6 29. Nxd6 $2 (29. Nd4 R2xe3 30.
Rhd1 $18) 29... R8xe3 $15 30. Rc8+ (30. Nxf7+ Kg8 (30... Kg7 31. Rc7 Rxb3+ 32.
Kc1 Rc3+ 33. Rxc3 Na2+ 34. Kd1 Nxc3+ 35. Kc1 Na2+ {draws}) 31. Rc8+ Kxf7 32.
Rf1+ Kg7 33. Rc7+ Kh6 34. Rf3 Re5 $17 (34... Rxf3 35. Bxf3 Rxh2 $17 {
Stockfish10})) 30... Kg7 $19 31. Rhc1 $2 {filling in the square evacuated last
move, however} (31. Be4 {Stockfish10} Rxb3+ 32. Kc1 Na2+ 33. Kd1 Rxe4 34. Nxe4
Rb1+ 35. Kd2 Rxh1 36. h4 Rh2+ $19 {eventually}) (31. Rf1 Rxb3+ 32. Kc1 Nd3+ 33.
Kd1 Rxh2 34. Rxf7+ Kh6 35. Rfc7 Rb1+ 36. Rc1 Nxc1 37. Rxc1 Rxc1+ 38. Kxc1 a5
$19 {Stockfish10}) 31... Rxb3+ 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.14"]
[White "Morgans, Justin"]
[Black "Pinch, David"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "1646"]
[BlackElo "1634"]
[Annotator "kemen"]
[PlyCount "69"]
[EventDate "2019.??.??"]

{[%evp 0,69,5,20,18,25,20,19,29,4,53,23,29,19,21,24,19,8,-3,-2,11,-14,3,-14,-8,
-46,2,-38,-26,-40,33,16,17,3,38,34,50,0,40,36,29,18,76,68,57,92,82,58,59,43,
137,144,185,174,191,227,274,340,359,316,427,331,278,557,762,979,613,1123,1423,
166,29993,29994]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 (3... Nge7 4. O-O g6 5. c3 Bg7
6. d4 exd4 7. cxd4 O-O 8. d5 Ne5 9. d6 {Van Kemenade-Pinch, rd1 Dyfed Open
2019,1/2-1/2}) 4. Ba4 Nge7 5. O-O g6 6. d3 (6. c3 {main}) (6. d4) 6... Bg7 7.
Nc3 (7. c3) (7. Bg5 {more frequent}) 7... O-O 8. Bg5 h6 9. Be3 (9. Bh4) 9... d6
10. h3 (10. Qd2 Kh7 11. d4 Bg4 12. dxe5 dxe5 13. Ne1 Nd4 14. f3 Be6 15. Nd3 b6
16. Bb3 Bxb3 17. axb3 c5 {Racsanyi-Sulitya, W ch girls U20, Buenos Aires 1992,
0-1}) 10... Be6 $11 {Komodo12} (10... f5 11. Bb3+ Kh7 12. exf5 Nxf5 13. Bd2 Bd7
14. Ne4 Ncd4 15. Nxd4 Nxd4 16. Be3 Nxb3 17. axb3 d5 18. Nc5 Bc8 {Kubik-Stany,
Europe op, Golden Sands 2013,0-1}) (10... Nd4 $15 {Komodo 2nd thoughts}) 11.
Ne2 Kh7 (11... f5) 12. c3 b5 13. Bc2 f5 {Komodo12- but players should be wary
of opening up this line with a B aimed longrange at the K.} 14. d4 (14. Bb3 {
Komodo12}) 14... exd4 (14... fxe4 15. Bxe4 d5 16. Bc2 e4 17. Nd2 Nf5 $11 {
Komodo12-initially slight Bl advantage}) 15. Nfxd4 (15. Nexd4 $14) 15... Bd7 (
15... Nxd4 16. Bxd4 f4 17. Bxg7 Kxg7 18. Nd4 Bd7 19. Bb3 c5 20. Ne6+ Bxe6 21.
Bxe6 f3 $11 {Komodo12}) 16. Nf4 (16. exf5 Nxf5 17. Bxf5 gxf5 18. Nf4 $16 {
Komodo12- Bl has holes on the K side}) 16... Nxd4 17. cxd4 $14 Rc8 18. Qc1 (18.
Re1 $14) (18. h4 $14) 18... fxe4 19. Bxe4 c6 (19... Nf5 20. Qc2 h5 21. Rfe1 c6
22. a4 $14 {Komodo12}) 20. Nh5 Ng8 (20... Nd5 21. Nxg7 Nxe3 22. fxe3 Kxg7 $11 {
Komodo12}) 21. Nxg7 (21. Qc2 Bf5 22. Bxf5 Rxf5 23. Nxg7 Kxg7 24. Rae1 $16 {
Komodo121}) 21... Kxg7 (21... Qe7 22. Bc2 Qxg7 23. Re1 Bf5 24. Bb3 Rfe8 25. Qc3
Nf6 $14 {Komodo12}) 22. Qd2 Bf5 23. Bxf5 Rxf5 24. Rac1 $16 {the Bl K position
is a little draughty} (24. Rfe1) 24... g5 $6 {and this certainly helps Wh} (
24... Qd7 25. Rfe1 Kh7 26. f3 $14 {it would be good for Bl to put his N on d5,
but the K position won't allow it}) 25. f4 $18 Rd5 (25... gxf4 26. Bxf4 Qd7 27.
Qc3 Rf6 28. d5 {and Bl is in trouble}) 26. fxg5 hxg5 27. Rf3 Nh6 28. Rcf1 Rc7
29. h4 Nf7 30. Rg3 (30. hxg5) 30... c5 31. hxg5 Re7 (31... Nh8 32. g6 Nxg6 33.
Bh6+ Kh7 34. Qc2 Qe8 35. Rh3 $18 {Komodo12}) 32. g6 Ne5 33. Bh6+ Kg8 34. g7 (
34. Qf2 {threatens mate} Rg7 35. Bxg7 Kxg7 36. dxe5 $18) 34... Nd7 (34... Rf7
35. Qe2 Rxf1+ 36. Qxf1 Nf7 (36... Rxd4 37. Qf8+ Qxf8 38. gxf8=Q+ Kh7 39. Qg7#)
37. Qxf7+ Kxf7 38. Rf3+ Kg6 39. Rf8 Kxh6 40. g8=Q Qe7 41. Re8 Qxe8 (41... Qd7
42. Re6+) 42. Qxe8 $18) 35. Rf8+ 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.15"]
[White "Orton, Paul"]
[Black "Cooke, Mark"]
[Result "1/2-1/2"]
[ECO "C40"]
[WhiteElo "1596"]
[BlackElo "1368"]
[Annotator "kemen"]
[PlyCount "78"]
[EventDate "2019.??.??"]

{[%evp 0,78,80,16,13,15,78,69,82,64,109,50,184,135,160,151,136,115,237,189,189,
194,346,334,352,348,385,373,357,379,542,556,689,635,616,562,557,568,614,615,
646,660,697,727,795,789,851,715,712,788,775,745,960,768,771,757,956,800,817,
850,1207,1436,1435,925,1011,168,224,220,220,261,465,688,707,296,296,32,41,35,
21,-13,-12]} 1. e4 e5 2. Nf3 d5 3. exd5 e4 4. Qe2 Nf6 5. d3 (5. Nc3 {main})
5... Bb4+ (5... Qxd5 {main}) 6. c3 O-O 7. dxe4 (7. cxb4 exf3 {0.5-3.5}) 7...
Bd6 (7... Bc5 {main}) (7... Be7) 8. Bg5 {main & Cloud Engines} (8. Nbd2 Re8 9.
h3 Bf5 10. e5 Nbd7 11. g4 Nxe5 12. Kd1 Bd3 13. Qe3 Bxf1 14. Rxf1 Nxd5 15. Qg5
Nxf3 16. Nxf3 Qxg5 17. Bxg5 f6 18. Bd2 Rad8 19. Kc2 $15 {Hollinger-Dowd, Dos
Hermanas qual blitz 2009,1/2-1/2}) 8... h6 9. Bxf6 Qxf6 10. e5 Qf4 (10... Bxe5
11. Qxe5 Qxe5+ 12. Nxe5 Re8 13. Kd2 (13. f4 f6 14. Bc4 fxe5 15. O-O $18 {
Stockfish10}) 13... Rxe5 14. c4 Bf5 15. Nc3 $16 {Sarmiento Robles-Gomez, Mar
del Plata Schools 2013,1/2-1/2}) (10... Qd8 11. Qe3 Re8 12. Bb5 Nd7 13. Bxd7
Bxd7 14. O-O Bg4 15. Qf4 Bxf3 16. exd6 Bxd5 17. dxc7 Qg5 18. Qxg5 hxg5 19. Na3
Bc6 20. Rfe1 $16 {Stockfish10}) 11. exd6 $18 Qc1+ 12. Qd1 Re8+ (12... Qxb2 {
best, Fritz16 & Stockfish10}) 13. Be2 Qxb2 14. Nbd2 (14. dxc7) 14... Rxe2+ $5
15. Kxe2 b6 16. dxc7 (16. Qb3 {both Engines, forces Q exchange}) 16... Ba6+ 17.
Ke1 (17. c4 {both Engines}) 17... Nd7 18. c4 Qc3 19. Kf1 Re8 20. Rc1 (20. Kg1)
(20. g3) 20... Qd3+ 21. Kg1 g5 22. h3 (22. Nf1) (22. Qb3) 22... Nc5 23. Kh2 (
23. Nb3 {both Engines}) 23... Qf5 24. Re1 Rc8 25. Rc3 (25. Nf1 {Stockfish10})
25... Nd3 26. Re2 (26. Qb1 $18 {both Engines}) 26... Nf4 27. Re5 Qd7 28. Rce3 (
28. Ne4 Qxc7 29. d6 {both Engines}) 28... Qxc7 29. Re8+ {Stockfish10} (29. g3 {
Fritz16}) 29... Kh7 30. R3e7 Qd6 31. Qc2+ (31. Rxf7+ {both Engines,
Stockfish10 has seen the mate} Kg6 32. Ne4 Qb8 33. Qd4 Kxf7 34. Re7+ Kxe7 35.
Qg7+ Kd8 36. Qf8+ Kd7 37. Nf6+ Kc7 38. Qe7#) 31... Ng6+ 32. Re5 (32. Ne5 {
both Engines} Rxe8 33. Rxe8 Kg7 34. Re6 $1 {Stockfish10}) 32... Rxe8 33. Ne4
Qb8 34. Nf6+ Kg7 35. Nxe8+ Kf8 36. Qe4 (36. d6 $1 $18 {both Engines} Nxe5 37.
Qh7 $1 (37. Nxe5 Qxe8 38. Qc3 Qe6 39. d7 Qd6 40. g3 Bb7 41. Ng6+ fxg6 42. Qh8+
Ke7 43. Qe8+ Kf6 44. d8=Q+ $18 {Stockfish10})) (36. Qf5 Nxe5 37. Nxe5 Qxe8 38.
Qf6 Kg8 39. Ng4 Bc8 40. Nxh6+ Kh7 41. Nxf7 $18 {Stockfish10}) 36... Nxe5 37.
Qxe5 (37. Nxe5 Qxe8 38. d6 Bc8 39. Qd4 Qe6 (39... Bd7 40. Nxd7+ $18) 40. d7 $18
) 37... Qxe5+ (37... Qxe8 38. Qh8+ Ke7 39. d6+ Kd8 40. Qf6+ Kc8 41. Ne5 $18)
38. Nxe5 Kxe8 39. Kg3 (39. d6 Bc8 (39... f6 40. d7+ Kd8 41. Nc6+ Kxd7 42. Nb8+
Kd6 43. Nxa6 $18) 40. Kg3 $14) 39... f6 $15 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.16"]
[White "Parri, Deio"]
[Black "Andrews, Norman G"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "1659"]
[BlackElo "1605"]
[Annotator "kemen"]
[PlyCount "36"]
[EventDate "2019.??.??"]

{[%evp 0,105,26,24,30,-11,4,4,25,15,21,21,25,25,32,18,18,22,19,-2,14,-40,30,26,
37,31,46,50,53,55,124,51,68,66,86,78,80,45,56,58,53,49,65,71,75,76,81,54,86,91,
91,74,73,46,46,70,85,29,11,-11,42,38,38,0,13,8,32,37,93,93,171,99,152,176,156,
180,202,98,24,0,0,0,0,0,145,0,0,0,-30,-63,59,-63,26,-14,0,0,0,0,0,0,16,19,3,3,
2,1,0,1]} 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Nf3 (4. Qc2) 4... e6 5. e3 Bb4 6.
Bd2 (6. Bd3) 6... O-O 7. Bd3 d6 (7... d5) 8. O-O Nbd7 9. Re1 (9. a3) 9... e5
10. e4 exd4 $15 {Komodo12} (10... h6 11. d5 (11. a3 Bxc3 12. Bxc3 Re8 13. d5
Qe7 14. b4 Nf8 15. Nd2 Ng6 16. g3 Bc8 17. a4 {Gura-Slobodeniuk, Zaporozhje
Ermak Cup 2010,1/2-1/2}) 11... Bxc3 12. Bxc3 a5 13. Nd2 Nh7 14. Nf1 Nc5 15. Bc2
Bc8 16. Ng3 g6 17. Qc1 Qh4 18. Bd2 Kg7 19. f4 exf4 20. Bxf4 f6 {
Platonova-Trushelyov, Chigorin mem, St Petersburg 2008,0-1}) 11. Nxd4 Nc5 12.
Bg5 Nxd3 (12... Bxc3 13. bxc3 h6 $15 {Komodo12 leaves the wh B as a
fellowtraveller}) 13. Qxd3 Bxc3 14. bxc3 h6 15. Bxf6 Qxf6 16. f3 Rfe8 17. Nf5
a5 18. Ne3 Rad8 $11 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.17"]
[White "Watkins, Peter"]
[Black "Denham, Colin"]
[Result "1/2-1/2"]
[ECO "C19"]
[WhiteElo "1581"]
[BlackElo "1653"]
[Annotator "kemen"]
[PlyCount "85"]
[EventDate "2019.??.??"]

{[%evp 0,85,80,16,41,34,46,24,24,32,14,32,32,17,10,31,32,29,62,39,44,16,28,15,
43,-2,5,-41,-37,-68,-85,-62,-74,-70,-71,-76,-69,-79,-63,-114,-118,-121,-91,-97,
-89,-115,-95,-128,-128,-129,-104,-122,-105,-113,-109,-114,-114,-118,-105,-112,
-104,-104,-94,-104,-102,-116,-98,-97,-96,-116,-43,-136,-130,-174,-139,-141,
-112,-130,-130,-127,-126,-121,-61,-48,-61,-182,-164,-181]} 1. e4 e6 2. d4 d5 3.
Nc3 Bb4 4. e5 Ne7 5. Nf3 (5. a3) (5. Bd2) (5. Qg4) 5... c5 6. a3 Bxc3+ 7. bxc3
c4 (7... Nbc6) (7... Bd7) 8. Be2 (8. a4) 8... Ng6 (8... O-O {main, but Bl
likes to keep his K in the centre for a while, cf Young-Denham, rd1 Dyfed Open
2019,1-0}) (8... Nbc6) 9. O-O Bd7 (9... Nc6 {1 Wh win, 2 draws}) 10. Be3 b5 11.
Qd2 a6 12. Rfe1 Nc6 13. a4 bxa4 14. Rxa4 (14. Reb1) 14... Ncxe5 $15 15. Raa1
Nxf3+ 16. Bxf3 O-O 17. Qd1 Qc7 18. Bd2 (18. Bc1 {gives a far more active
placement on a3, where it also stops the a pawn}) 18... Rfb8 19. Rb1 Rxb1 20.
Qxb1 Rb8 21. Qa2 Qb6 $17 22. Ra1 a5 23. h3 (23. g3 {keeps the N out}) 23... a4
24. Qa3 (24. Bc1) 24... Qc7 (24... Qb2 25. Qxb2 Rxb2 26. Bd1 f6 $19 {Komodo12})
25. Bh5 Qb7 (25... Nf4) 26. Bxg6 hxg6 27. Bf4 Ra8 28. Qb4 Qa7 29. Qa3 Qa6 30.
Rb1 Qc6 31. Kf1 f6 32. Bd6 Ra6 33. Rb8+ Be8 34. Bg3 Rb6 35. Rxb6 Qxb6 36. Bf4 (
36. Ke1 Qb1+ 37. Kd2 g5 (37... Qf1 38. Qe7 Bf7 39. Bd6 Qxf2+ 40. Kc1 a3 41.
Bxa3 Qf4+ 42. Kd1 Qb8 $15) 38. Qd6 Bh5 39. Qb8+ Qxb8 40. Bxb8 Be2 41. g3 Bf1
42. h4 gxh4 43. gxh4 Bh3 44. Kc1 Kh7 45. Kb2 Bf5 46. Bd6 Be4 47. Bf8 Kg6 48.
Kc1 e5 $17 {Komodo12}) 36... Qb1+ (36... g5 37. Bc1 Kh7 $19 {Komodo12}) 37. Qc1
Qa2 38. Bd6 g5 39. Ke2 Bg6 40. Kd2 a3 (40... Be4 41. f3 Bd3 $17 {but there
appears to be no breakthrough}) 41. Bxa3 Bxc2 42. Bb2 (42. Qb2 Qb3 43. Qxb3
cxb3 44. g3 $17 {there may be no win, but Bl can try to see if anything gives
on the K side}) 42... Bg6 (42... Bd3 43. Ke3 Kf7 44. f3 e5 45. Kf2 e4 46. fxe4
dxe4 {and there is definitely an imbalance which Bl may be able to exploit})
43. Qa1 (43. Qa1 Qb3 {Bl could play on for a bit} 44. Qc1 Qb8 45. g3 e5 {
Komodo12 thinks Bl is winning, as there may be open lines coming on the K side
for a K hunt}) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.23"]
[Round "3.18"]
[White "Roberts, Malcolm A"]
[Black "Leah, Howard"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1630"]
[BlackElo "1613"]
[Annotator "kemen"]
[PlyCount "66"]
[EventDate "2019.??.??"]

{[%evp 0,66,80,16,53,53,56,47,81,55,76,65,36,19,14,14,23,14,19,6,0,0,10,4,0,
-14,-4,-11,-28,-31,-18,-30,4,-42,-47,-78,-66,-60,-82,-79,-35,-20,-48,-65,-104,
-116,-132,-117,-149,-145,-135,-135,-158,-137,-137,-142,-136,-142,-142,-142,
-121,-142,-76,-133,-120,-120,-73,-103,-47]} 1. e4 c5 2. Nf3 e6 3. Nc3 (3. d4) (
3. c3) 3... a6 4. a4 Qc7 5. h3 (5. g3) 5... Nc6 6. Bc4 (6. g3 Nf6 7. Bg2 Be7 8.
d3 O-O 9. O-O d5 {Bote Kobolo-Cortes Jurado, Parla op 2010,0-1}) 6... Nf6 7. d3
d6 8. Bg5 Be7 9. O-O O-O 10. Re1 b6 11. Qc1 $146 (11. Qd2 {2 Wh wins, 1 draw &
3 Bl wins}) 11... Bb7 12. Qe3 Rad8 $15 13. Ne2 d5 14. exd5 exd5 15. Bb3 d4 (
15... h6 $15) 16. Qd2 (16. Qf4 $11) 16... Na5 17. Ng3 (17. Ba2 $11 Bxf3 18. Qf4
Qxf4 19. Nxf4 Bxg2 20. Rxe7 Bc6 21. Bxf6 gxf6 22. Ra7 (22. Kh2 $11) 22... Bb7
23. Nh5 Kh8 $15) 17... Nxb3 18. cxb3 Bxf3 (18... Nd5 $17) 19. gxf3 (19. Nf5 $11
) 19... Rfe8 20. Nf5 Nd5 21. Nxe7+ Nxe7 22. Re2 f6 $19 23. Bf4 Qd7 24. Rae1 Nd5
25. Kg2 Rxe2 26. Rxe2 Qf5 (26... Qf7 27. Re4 Qg6+ 28. Kh2 Qh5) 27. Bg3 Qg6 28.
Kh2 Qf5 (28... h5 29. Re4 Qf5 30. Qe2 Kf7 31. Kg2 Rh8 32. h4 Rd8 {Bl is
clearly superior here, & Stockfish10 claims a win- but it looks unclear as to
where Bl can break through}) 29. Kg2 Kf8 30. Re4 Qg6 31. Kf1 f5 32. Re5 Qh5 (
32... Qf6 33. f4 {and the Wh B is awful, but where is the clearcut win?}) 33.
Kg2 Qg6 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.1"]
[White "Young, Alan"]
[Black "Zeidler, Sven P."]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2024"]
[BlackElo "2149"]
[Annotator "kemen"]
[PlyCount "70"]
[EventDate "2019.??.??"]

{[%evp 0,13,80,27,47,37,58,50,72,61,68,65,98,62,62,39]} 1. e4 Nc6 2. Nc3 Nf6 3.
d4 d5 4. e5 Nd7 5. Nf3 (5. Nxd5 Ndb8 6. Ne3 Qxd4 7. Qxd4 Nxd4 8. c3 Ne6) 5...
Nb6 6. Be2 (6. h3) 6... Bg4 (6... Bf5) 7. O-O e6 8. Ne1 (8. a4 Na5 (8... a6 9.
Bf4 Be7 10. Bg3 O-O 11. Nb1 f6 12. exf6 Bxf6 13. Nbd2 Bf5 14. c3 Nd7 15. Nb3 e5
{/^anilenko-Kigel, UKR ch U16, Lugansk 2010,1/2-1/2}) 9. Ne1 Bxe2 10. Nxe2 c5
11. Nd3 cxd4 12. Nxd4 Nc6 13. c3 Nd7 {Mezouaghi-Van der Laan, Naujac op 2002,
0-1}) 8... Bxe2 9. Nxe2 h5 (9... f6 10. Nf4 Qd7 11. exf6 gxf6 12. Ned3 O-O-O
13. Re1 Re8 14. Nh5 Qf7 15. c3 Bd6 16. Qf3 Nd7 17. Bd2 Rhg8 {Kaiser-Gross,
Boeblingen op, 1998,0-1}) 10. c3 Ne7 11. Nc2 (11. Bg5 $16 {[%eval 0,0]
Komodo12- gets rid of a potential bad}) 11... c5 12. dxc5 $16 (12. Bg5 $16)
12... Nd7 13. Ncd4 (13. Bg5 $16) 13... Nxe5 14. f4 (14. Bg5 $16) 14... Ng4 15.
b4 $16 g6 16. f5 (16. h3 Nf6 17. f5 (17. Qa4+ Nd7 $14) 17... Nxf5 18. Nxf5 gxf5
19. Bf4 Ne4 $15 {Komodo12}) 16... Nxf5 17. Nxf5 gxf5 18. Qe1 (18. Bf4 Bg7 19.
h3 Ne5 20. Nd4 Nc4 21. Qe2 Qf6 $15 {Komodo12}) 18... b6 (18... a5 $15 {Komodo12
}) 19. Nd4 $11 Be7 20. Nxe6 $1 fxe6 21. Qxe6 Qd7 22. Qg6+ Kd8 23. Rxf5 $16 {
Komodo12 & Stockfish10} Kc7 24. Bf4+ Kb7 25. Rd1 (25. Rf7 $18 Rae8 26. Qd6 Bxd6
27. Rxd7+ Kc8 28. Rxd6 $18 {Komodo12}) 25... Rag8 26. c6+ (26. Qf7 Re8 27.
Rdxd5 Qc6 28. h3 (28. Rd6 Qe4 29. Rd7+ Ka8 30. Bc1 bxc5 $15 {Komodo12}) 28...
Rhf8 29. Qg7 Rg8 30. Qf7 Rgf8 $11 {Komodo12}) 26... Qxc6 27. Qf7 Re8 28. Rfxd5
(28. Qxd5 Qxd5 29. Rfxd5 Bf6 $17 {Komodo12}) 28... Rhf8 $19 29. Rd7+ (29. b5
Rxf7 30. bxc6+ Kxc6 31. h3 Bc5+ $19 {Komodo12}) 29... Ka8 30. Qxh5 (30. Qxe7
Rxe7 31. Rxe7 Qf6 32. Re4 Qxc3 $19 {Komodo12}) 30... Nf6 (30... Qxd7 $1 $19 {
Komodo12} 31. Rxd7 Bc5+ 32. Kf1 Rxf4#) 31. Rc7 (31. Qh6 Rh8 32. Qg6 Rhg8 33.
Rc7 Qxc7 34. Qxe8+ Nxe8 35. Bxc7 Nxc7 36. Rd7 Bd8 $19 {Komodo12}) 31... Nxh5
32. Rxc6 Nxf4 33. Rc7 Kb8 (33... Bd6) 34. Rc4 Ne2+ 35. Kh1 Bf6 (35... Rf2) 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.2"]
[White "Richmond, Jane"]
[Black "Williams, A. Howard"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2066"]
[BlackElo "2268"]
[Annotator "kemen"]
[PlyCount "71"]
[EventDate "2019.??.??"]

{[%evp 0,17,20,36,48,42,48,33,27,38,39,22,27,27,27,33,50,31,13,-22]} 1. e4 c5
2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 e6 (4... Nxb5 5. Nxb5 d6 {main}) 5. a4 Ne7 6. O-O
(6. Nxd4 cxd4 7. Ne2 a6 8. Bc4 {main}) 6... a6 7. Bc4 Nec6 8. d3 Be7 9. Ne1 (9.
Nxd4 {main} cxd4 (9... Nxd4)) 9... O-O (9... Rb8) 10. f4 (10. Ne2 d5 11. Ba2
Nb4 12. Bb1 Nxe2+ 13. Qxe2 e5 14. c3 Nc6 15. Ba2 Be6 16. Nc2 {
Beudaert-Montheard, Evry op 2005,1-0}) 10... Rb8 11. Ba2 (11. Nf3 b5 12. axb5
axb5 13. Bb3 d5 14. exd5 Nxb3 15. cxb3 exd5 16. Ne5 Nxe5 17. fxe5 Be6 18. Qf3 {
Richmond-Williams, Dyfed Open 2016,1/2-1/2}) 11... b5 12. axb5 axb5 13. Ne2 Ra8
(13... Nxe2+ 14. Qxe2 Ra8 15. Bd2 d5 $15 {Komodo12}) 14. Nxd4 cxd4 (14... Nxd4
15. Be3 d5 (15... Nc6 16. c3 d5 17. Nf3 $11) 16. Bxd4 cxd4 17. exd5 exd5 18.
Bb3 $11 {Komodo12}) 15. Bd2 $11 Bb7 16. Nf3 (16. Qh5 Ra7 $15) 16... f5 17. Qe1
fxe4 18. Qxe4 Qb6 19. Bb3 (19. Qe2 $11) (19. Bxe6+ $1 {Komodo12} dxe6 20. Qxe6+
Kh8 21. Rxa8 Rxa8 22. Ne5 Rf8 (22... h6 23. Ng6+ $18) (22... g6 23. Nf7+ (23.
f5 $18) 23... Kg8 24. f5 gxf5 25. Rxf5 $18 (25. Bg5 $18)) 23. Nf7+ Rxf7 24.
Qxf7 Qd8 25. Re1 $16 {Komodo12}) 19... Nb4 (19... Na5 20. Bxa5 Rxa5 21. Qe2
Rxa1 22. Rxa1 Rxf4 $17 {Komodo12}) 20. Qe5 (20. Qe2 $11) 20... Bf6 (20... Rxa1
21. Rxa1 Bxf3 22. gxf3 Nc6 $17 {Komodo12}) 21. Rxa8 (21. Qh5) 21... Bxa8 (21...
Bxe5 22. Rxf8+ Kxf8 23. Nxe5 Qd6 24. Nxd7+ Qxd7 25. Bxb4+ Kf7 26. f5 Bd5 27.
fxe6+ Kxe6 28. Re1+ Kf6 $15 {Komodo12}) 22. Qh5 Nd5 (22... g6 23. Qh6 Bg7 24.
Qh3 Nd5 25. Ne5 $11 {Komodo12}) 23. f5 Ne3 24. fxe6 dxe6 25. Ng5 Bxg5 26. Rxf8+
Kxf8 27. Qxg5 b4 (27... Bd5 $14) 28. Qe5 (28. Qf4+ $1 Kg8 29. Qe5 Kf7 (29...
Nd5 30. Be1 $18) (29... Bd5 30. Bxe3 dxe3 (30... Bxb3 31. Bxd4 Qb7 32. cxb3 $18
) 31. Bxd5 e2+ 32. Kh1 $18) 30. Qh5+ Kf8 31. Qxh7 $16 {Komodo12}) 28... Bd5 29.
Bxd5 exd5 (29... Nxd5) 30. Bxe3 dxe3 31. d4 $14 b3 32. c3 (32. Qf4+ $1 {
the second time, to be able to threaten a mate on e8} Kg8 33. Qxe3 h6 34. cxb3
$18 {Komodo12}) 32... Qg6 $11 33. Qb8+ Ke7 34. Qe5+ Kf8 35. Qb8+ Ke7 36. Qe5+ (
36. Qe5+ Qe6 37. Qxe6+ (37. Qxg7+ Kd6 38. Qg3+ Kc6 39. Qh3 Qe4 40. Qc8+ {
perpetual- Komodo12}) 37... Kxe6 38. g4 h5 39. Kf1 Kf6 40. Ke2 Kg5 41. Kxe3
Kxg4 42. Kd3 g5 43. c4 dxc4+ 44. Kxc4 Kf5 45. d5 g4 46. Kb5 (46. Kc5 {allows a
ch on g1} h4 47. d6 g3 48. hxg3 hxg3 49. d7 g2 50. d8=Q g1=Q+ 51. Qd4 Qh2 {
drawn- Nalimov tablebases}) 46... h4 47. d6 g3) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.3"]
[White "Jones, Iolo C"]
[Black "Heap, Gerry"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2205"]
[BlackElo "2095"]
[Annotator "kemen"]
[PlyCount "102"]
[EventDate "2019.??.??"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 Nf6 6. Nge2 d6 7. O-O O-O 8. b3 (
8. d4 {main}) 8... Bg4 (8... Bf5) (8... Bd7) 9. f3 $146 {[%eval 0,0] obstructs
the g2} (9. h3 {main}) 9... Bd7 10. Bb2 a6 11. d4 cxd4 12. exd4 (12. Nxd4)
12... Rb8 (12... b5 $15 13. cxb5 axb5 14. Nxb5 Nd5 15. Rf2 Qb6 16. Nbc3 Nxc3
17. Bxc3 Nb4 18. Qd2 Nd5 19. Bb2 Bc6 20. f4 e6 $11 {Stockfish10}) 13. Kh1 (13.
d5 Na5 14. Qd2 b5 15. cxb5 Qb6+ 16. Rf2 axb5 17. Nd1 $11 {Stockfish10}) 13...
b5 14. c5 {an unusual push in these kind of positions} (14. cxb5 axb5 15. d5
Ne5 16. a3 $11 {Stockfish10}) 14... b4 $15 15. Na4 Nd5 16. Qd2 Na5 17. Rac1
Bxa4 18. bxa4 Qd7 (18... b3 $19 {Stockfish10} 19. a3 dxc5 20. Rxc5 Nb7 21. Rc6
Nb6 22. Rb1 Nxa4 23. Rxa6 Nbc5 24. Ra5 Qd7 $19 {Stockfish10}) (18... dxc5 19.
Rxc5 Nb7 20. Rc4 e6 21. Rfc1 b3 $19 {Stockfish10}) 19. f4 Qe6 $2 (19... dxc5
20. Rxc5 Nb6 $15 {Stockfish10}) (19... e6) 20. Qd3 (20. f5 $1 gxf5 21. Rfe1 Qh6
22. Qxh6 Bxh6 23. Bxd5 Bxc1 24. Bxc1 $18 {Stockfish10}) 20... Qe3 21. Rfd1 (21.
Qd1 Qe6 22. f5 gxf5 23. Qd3 Qe3 24. Qxf5 e6 25. Qh5 Nf6 26. Qf3 Qxf3 27. Bxf3
d5 28. Rb1 $11 {Stockfish10}) 21... Qxd3 22. Rxd3 Nf6 23. Kg1 (23. Rc2 d5 24.
Nc1 e6 25. Nb3 Nc6 26. Re2 $11 {Stockfish10}) 23... Rfc8 $15 24. cxd6 exd6 25.
Bh3 (25. d5 Nd7 26. Bxg7 Kxg7 27. Rdd1 Nc5 28. Bh3 Re8 29. Nd4 b3 30. axb3
Naxb3 31. Nxb3 Rxb3 $17 {[%eval 0,0] Stockfish10-the N is superior to the})
25... Rc4 (25... Re8 $19 {Stockfish10 & Komodo12} 26. Kf2 (26. Kf1 Nd5 27. Kf2
f5 $19 {Wh is running out of space for his pieces}) 26... Ne4+ (26... d5 $19 {
& Wh has a bad QB})) 26. Rdd1 d5 27. Kf1 Ne4 $19 {Stockfish10- one can just
compare the placing of the Bl pieces to those of the Wh ones} 28. Ke1 Bf8 (
28... b3 29. axb3 Rxb3 30. Ba1 Bf8 $19 {Stockfish10}) 29. Rd3 h5 30. Re3 f5 (
30... b3 31. axb3 Bb4+ 32. Kf1 Nxb3 33. Rxb3 Nd2+ $19 {Stockfish10}) 31. Bg2
Rbc8 32. Bxe4 fxe4 (32... dxe4 {slightly preferred by Stockfish10}) 33. Kd1 Bg7
(33... Bd6) 34. Rb1 (34. Rxc4 Nxc4 35. Rb3 a5 {Stockfish10- there seem to be
no good places for the Wh pieces}) 34... Nc6 35. Rb3 a5 36. a3 bxa3 37. Rxa3
Rb8 38. Rc3 Rxc3 (38... Nxd4) 39. Nxc3 Bxd4 (39... Nxd4 40. Nxd5 Rd8 41. Nc3
Nf3+ 42. Ke2 (42. Kc1 Nd2) 42... Rd2+ 43. Ke3 Bxc3 44. Bxc3 Rd3+ 45. Kxe4 Rxc3
$19 {Stockfish10}) 40. Kd2 (40. Nb5 Bxb2 41. Rxb2 Nd4 42. h3 Kf8 $19 (42... e3
$19 {Stockfish10})) 40... Bxc3+ 41. Kxc3 Rb4 (41... d4+ 42. Kd2 Kf7 43. Kc2
Nb4+ 44. Kb3 Nd3+ $19 {Stockfish10}) 42. Rd1 d4+ 43. Kc2 Rxa4 (43... d3+ 44.
Kc1 (44. Kc3 Ne7) 44... Rb3 45. Re1 d2+ $19 {Stockfish10}) 44. Re1 e3 (44...
d3+ 45. Kd2 Kf7 46. h3 Ra2 $19 {Stockfish10}) 45. Kd3 Nb4+ 46. Ke4 d3 (46...
Kf7 {Stockfish10}) 47. Kf3 e2 48. Bc3 Ra3 49. Bd2 Nc2 50. Rc1 e1=Q 51. Bxe1 d2+
0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.4"]
[White "Taylor, Robert Graham"]
[Black "Waddington, Mike P"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "1809"]
[BlackElo "2074"]
[Annotator "kemen"]
[PlyCount "147"]
[EventDate "2019.??.??"]

{[%evp 0,9,25,-37,28,-15,-16,-18,14,17,8,15]} 1. f4 f5 2. c4 Nf6 3. Nf3 g6 4.
Nc3 Bg7 5. e3 (5. g3) 5... O-O 6. d4 d6 7. Be2 a5 $146 (7... c6) (7... Nbd7) 8.
Qc2 Nc6 9. a3 e5 10. d5 (10. dxe5 dxe5 11. O-O e4 12. Rd1 Qe7 13. Nd4 $11 {
Komodo12}) 10... Nb8 11. fxe5 dxe5 12. O-O (12. Nxe5 Ne4 13. Nf3 Nxc3 14. bxc3
Na6 $11 {Komodo12}) 12... e4 13. Nd4 Na6 (13... c5 14. Ndb5 Nbd7 15. d6 Ne5 $11
{Komodo12}) 14. Bd2 Bd7 15. Ncb5 (15. Be1) 15... c5 (15... Nc5 16. Rad1 c6 $11
{Komodo12}) 16. dxc6 bxc6 17. Nc3 (17. Nd6 Qe7 18. c5 Nd5 19. Bc4 Be5 20. Bxa5
Nxc5 21. Bxd5+ cxd5 22. Qxc5 Qxd6 23. Qxd6 Bxd6 24. Bb4 (24. Bd2 Rfe8 $15)
24... Bxb4 25. axb4 Rab8 26. Ra5 Rxb4 27. Rxd5 Be8 28. Rf2 Rb7 $11 {Komodo12})
17... Bh6 (17... Nc5 $15) 18. Rad1 Rb8 19. Bc1 Qc7 20. Qd2 (20. Na4 c5 21. Nb5
Qe5 22. Qc3 Qxc3 23. Naxc3 $14 {Komodo12}) 20... Rfd8 $17 21. Qe1 Qe5 (21...
Nc5 22. Qh4 Bg7 $17 {Komodo12}) 22. Qh4 Kg7 23. h3 Nc5 24. g4 fxg4 25. hxg4 Qg5
(25... Bg5 26. Qh2 (26. Qf2 Nd3 $19 27. Qg2 Nxc1) 26... Qxh2+ 27. Kxh2 Nxg4+
28. Bxg4 Bxg4 29. Rg1 h5 30. Nxc6 Rxd1 31. Nxd1 Rc8 32. Ne5 Bxd1 33. Rxg5 Kf6
34. Rg1 Kxe5 35. Rxd1 Nd3 $17 {Komodo12}) 26. Qg3 (26. Qxg5 Bxg5 27. b4 Nd3 28.
Nxe4 Nxe4 29. Bxd3 Nc3 30. Rde1 Bh4 31. Bd2 Bxe1 32. Bxe1 axb4 33. axb4 Na4 34.
c5 Rf8 35. Rxf8 Rxf8 36. Be2 $15 {Komodo12}) 26... Re8 (26... Nxg4 $17) 27. Rf2
Qe5 28. Kg2 Qxg3+ 29. Kxg3 a4 $17 30. Nc2 Bg5 31. Nb4 Re7 32. Rd6 Nb3 33. Rf1
Nxc1 34. Rxc1 Bxe3 35. Rcd1 Be8 (35... Rf7 $17) 36. Nxc6 (36. Nxa4 c5 37. Nc6
Bxc6 38. Rxc6 Bd4 $17 {Komodo12}) 36... Bxc6 37. Rxc6 Rxb2 $19 38. Rf1 Bg5 (
38... Bd4 $1 39. g5 Nh5+ 40. Bxh5 Be5+ 41. Rf4 (41. Kg4 Rg2+ 42. Kh3 Rh2+ 43.
Kg4 gxh5+ 44. Kf5 Bxc3 $19) 41... Rb3 $19 {Komodo12}) 39. Bd1 e3 (39... Rd7 40.
Nd5 Ra2 41. Ra6 Rxa3+ 42. Kg2 Nxd5 43. cxd5 Rxd5 44. Rxa4 Rd2+ 45. Rf2 Rad3 46.
Be2 e3 47. Bxd3 Rxf2+ 48. Kg3 Bd8 $19 {Komodo12}) 40. Re1 Rf2 41. Ne2 Re4 $19
42. Rc7+ Kh6 $2 (42... Kf8 43. Rc8+ Ke7 44. Rc7+ Kd6 45. Ra7 Rxg4+ 46. Kh3 Rh4+
47. Kg3 Ne4# {Komodo12}) 43. Rh1+ Nh5+ 44. gxh5 $16 gxh5 45. Rc6+ Bf6 (45...
Rf6) 46. Nc3 h4+ (46... Re5) 47. Kh3 Re5 48. Nd5 e2 (48... Kg7 49. Re1 $16) 49.
Rxf6+ (49. Bxe2 Rexe2 50. Nxf6 $18 {Komodo12} Kg7 51. Ng4 Rf5 52. Rb1 h5 53.
Rb7+ Rf7 54. Rxf7+ Kxf7 55. Nh6+ Ke8 56. Nf5 Ra2 57. Re6+ Kd7 58. Rd6+ Kc7 59.
Rd3 $18) 49... Rxf6 50. Nxf6 Kg5 (50... exd1=Q 51. Rxd1 Re3+ 52. Kxh4 Kg6 53.
Rf1 Rxa3 54. Ne8 h6 55. Rf6+ Kh7 56. Ra6 Re3 57. Nf6+ Kg7 58. Ng4 Rc3 59. Rxa4
$18 {Komodo12}) 51. Bxe2 (51. Nxh7+ Kh6 52. Bxe2 Rxe2 53. Nf6 $18 {Komodo12})
51... Rxe2 (51... Re3+ 52. Kg2 Kxf6 53. Kf2 Rxa3 54. Rxh4 Rb3 55. Rxh7 Ke5 {
Komodo12-and Lomonosov Tablebases confirm this is a drawn position}) 52. Nxh7+
(52. Nd5 Ra2 53. Rg1+ Kf5 (53... Kh6 54. Kxh4 Rxa3 $2 55. Nf6 {mating}) 54.
Rf1+ Ke5 55. Rf3 $18 {Komodo12}) 52... Kh6 (52... Kg6 $16) 53. Kxh4 (53. Nf6
$18 Rc2 54. Kxh4 Rxc4+ 55. Ng4+ Kg6 56. Rf1 Rc3 57. Ne5+ Kh6 58. Rf6+ Kh7 59.
Rf3 $18 {Komodo12}) 53... Re4+ (53... Kxh7 54. Kg5+ Kg7 55. Kf4 Rc2 56. Re1
Rxc4+ 57. Re4 Rxe4+ $11 (57... Rc5 $11)) 54. Kg3+ $18 {(draw?)} Kg7 55. Rc1 (
55. c5 {Komodo12} Re5 56. Rc1 Kxh7 57. c6 (57. Kf4 {both mate in 20- Lomonosov
tablebases})) 55... Kxh7 56. c5 {and now its a draw!} (56. Kf3 $1 Re8 57. Rg1 {
is a mate in 44- Lomonosov tablebases}) 56... Re8 57. Kf4 Kg6 58. Rc4 Kf7 59.
Rxa4 {& Marshall twice showed how Bl can survive this intriguing endgame.
Though the defender has to accurate avoid The attacker getting a Lucena
position by sacrificing the a pawn at some point.} Rc8 60. Rc4 Ke6 61. Ke4 Rh8
$2 {and this should lose} (61... Kd7 {holds}) 62. Kd4 {now the draw is back in
place} (62. Rd4 $1 $18 {cuts off the Bl K & lets the Wh one slipto the q side})
62... Rh3 63. a4 Rh1 64. c6 Kd6 65. c7 Rh4+ 66. Kc3 Rxc4+ 67. Kxc4 Kxc7 68. Kc5
Kb7 69. Kb5 Ka8 70. Kb6 Kb8 71. a5 Ka8 72. a6 Kb8 73. a7+ Ka8 74. Ka6 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.5"]
[White "Byway, Paul V"]
[Black "May, Adam J"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2060"]
[BlackElo "1906"]
[Annotator "kemen"]
[PlyCount "55"]
[EventDate "2019.??.??"]

{[%evp 0,24,25,8,20,5,19,-18,-8,-6,8,19,8,3,8,8,3,-5,-11,-9,9,3,36,30,35,39,51]
} 1. Nf3 d5 2. e3 Nf6 3. b3 e6 4. Bb2 Be7 5. d4 O-O 6. Bd3 c5 7. O-O b6 8. Qe2
Bb7 9. c4 Nbd7 10. Nc3 Rc8 11. cxd5 cxd4 12. Nxd4 Nxd5 13. Nxd5 Bxd5 14. Rad1
Qc7 15. Bb1 $146 (15. e4 {Cloud Engines;1.5-0.5}) (15. Ba6 {1.5-0.5}) 15...
Rfd8 16. Rc1 (16. Nf5 $1 $16 {Komodo12} exf5 (16... Bf8 17. Nh6+ $18) (16...
Nf6 17. Rc1 Qb7 18. Rxc8 Rxc8 19. Bxf6 exf5 (19... gxf6 20. Qg4+) 20. Bxe7 Qxe7
21. Bxf5 $16) 17. Rxd5 $16 {Komodo12}) 16... Qb8 17. Rxc8 Rxc8 18. Rd1 $14 Nf6
19. e4 Bb7 20. Nf3 Qf4 21. Be5 Qg4 22. h3 Qh5 23. Bd6 (23. Bb2 $14 {Komodo12})
23... Bxd6 24. Rxd6 Qc5 25. Rd4 Qc1+ 26. Rd1 Qc7 27. Re1 g6 28. Qe3 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.6"]
[White "Barnaby, Nicholas"]
[Black "Jones, Dewi"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1998"]
[BlackElo "1504"]
[Annotator "kemen"]
[PlyCount "71"]
[EventDate "2019.??.??"]

1. d4 Nf6 2. Bg5 c5 3. Bxf6 exf6 4. d5 (4. Nf3 cxd4 5. Qxd4 {Haigh-Jones, rd3
Dyfed Open 2019,0-1}) 4... c4 {rare} (4... d6) (4... Qb6) (4... f5) 5. Qd4 b5 {
Cloud Engines} (5... Qb6 6. Qxc4 Qxb2 7. Qxc8+ Ke7 8. Qc3 $2 (8. e3 Qxa1 9.
Qxb7 $18) 8... Qc1# {Mundet Riera-Badosa Romanyo, Olot Volcans op 2011,0-1}) 6.
c3 (6. a4 $16) 6... Na6 (6... Bb7 $11) 7. Qe4+ (7. d6 $18 {Stockfish10}) 7...
Qe7 8. Qxe7+ Bxe7 9. e3 (9. Nd2 O-O $15) 9... Bb7 (9... Nc5 $17) 10. a4 $11
Bxd5 11. axb5 Nc5 12. Nd2 Nd3+ 13. Bxd3 cxd3 14. Ngf3 (14. e4 $14) 14... O-O
15. O-O Rfc8 (15... Rfb8) 16. Ra4 (16. Nd4 $16) 16... Be6 17. Rfa1 Rab8 18. Nd4
Bc5 19. Nxe6 (19. Ne4 Bxd4 20. exd4 Bb3 21. Rxa7 h6 22. Nd2 Rxb5 $14 {
Stockfish10}) 19... fxe6 20. c4 d5 21. b3 $11 e5 22. g3 f5 23. Rc1 (23. Nf3 Re8
24. Kf1 $11 {Stockfish10}) 23... e4 (23... Re8 $17) 24. cxd5 Bxe3 $2 (24... Bf8
$11) 25. Rxc8+ Rxc8 26. fxe3 $18 Rc1+ 27. Kg2 (27. Kf2 Rc2 28. Rxa7 Rxd2+ 29.
Ke1 Re2+ 30. Kd1 $18 {Stockfish10}) 27... Rc2 28. d6 Kf8 29. Rxa7 (29. b6 $1 {
Stockfish12}) 29... Rxd2+ 30. Kh3 Ke8 31. b6 (31. Ra8+ Kd7 32. b6) 31... Rb2
32. b7 Rxb3 33. Ra8+ Kd7 34. b8=Q Rxb8 35. Rxb8 Kxd6 36. Kg2 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.7"]
[White "Buttell, David"]
[Black "Van Kemenade, Rudy"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "1793"]
[BlackElo "1944"]
[Annotator "kemen"]
[PlyCount "81"]
[EventDate "2019.??.??"]

{[%evp 0,22,31,39,82,68,63,63,79,73,73,68,53,40,50,42,78,39,35,0,21,21,26,5,22]
} 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 (4. b3 Bg7 5. Bb2 d6 6. Nf3 O-O 7. O-O
Qe8 8. c4 Nc6 9. e3 e5 10. d5 Ne7 {Buttell-Van Kemenade, Dyfed Closed 2015,0-1}
) 4... Bg7 5. O-O O-O 6. c4 d6 7. Nc3 Qe8 8. Nb5 (8. Qc2 Na6 9. Rd1 c6 10. e3
h6 11. b3 g5 12. Ba3 Qh5 13. Rac1 f4 {Van Kemenade-Buttell, Dyfed Open 2012,0-1
}) 8... Na6 9. d5 c6 10. Nc3 {and Bl has been given 2 free moves -Na6 & c3
compared with the immediate d5} Bd7 11. Nd4 Nc7 {main} (11... Nc5 {considered})
12. dxc6 {6 alternatives played} bxc6 $15 13. e3 (13. h3 Rb8 14. Nb3 h6 15. Be3
g5 16. Bxa7 Rb7 17. Bd4 e5 18. Be3 f4 19. Bc1 Qh5 20. g4 Bxg4 $19 {Lettich-De
Santis, Genova op 2000,0-1}) 13... Rb8 (13... c5 {considered- Stockfish10} 14.
Ndb5 Nxb5 15. cxb5 Rb8 16. a4 Be6 17. Ra3 Rd8 18. e4 Nxe4 19. Nxe4 fxe4 20.
Bxe4 d5 21. Bg2 Qd7 $15) 14. Qc2 e5 (14... c5 15. Nde2 Bc6 $15 {Stockfish10}) (
14... d5 15. b3 c5 16. Nde2 dxc4 17. bxc4 Qf7 18. Ba3 Qxc4 19. Rac1 Ne6 20. Nf4
Rfc8 21. Ncd5 Qxc2 22. Rxc2 Kf7 23. Nxf6 Bxf6 24. Bd5 g5 $15 {Stockfish10}) (
14... Ng4 15. b3 e5 16. Nde2 e4 17. Ba3 c5 $11 {Stockfish10}) 15. Nde2 g5 (
15... e4 {considered & pm analysis- to put the N on e5 after Ng4} 16. b3 Ng4
17. Ba3 c5 (17... g5 18. Bxd6 Qh5 19. h3 Ne5 20. Bxc7 Nf3+ 21. Bxf3 (21. Kh1 f4
22. Ng1 $1 {Stockfish10} Rb7 (22... Nxg1 23. Qd1 f3 24. Qxd7 $18) 23. Bxf4 gxf4
24. exf4 Nxg1 25. Kxg1 Bxh3 26. Bxh3 Qxh3 27. Rad1 (27. Nxe4 Bxa1 28. Rxa1 $18)
27... e3 28. Ne4 Re7 29. Ng5 Qh5 30. fxe3 Rxe3 31. Qh2 Qg6 32. Rfe1 $18 {
Stockfish10}) 21... exf3 $19 {pm analysis, agreed winning by Stockfish10 after
its initial doubts} 22. Qd1 Qxh3 (22... Rb7 23. Nd5 Rxc7 24. Nef4 gxf4 25. Nxf4
Qe8 $19 {Stockfish10}) 23. Nf4 gxf4 24. Qxf3 Rb7 25. Qxf4 Bxc3 $19 {Stockfish10
}) 18. Rad1 Rb6 19. Bb2 g5 20. h3 Ne5 21. f4 exf3 22. Bxf3 Nxf3+ 23. Rxf3 Bc6
24. Rf2 Qxe3 25. Bc1 Qe7 26. Qd2 h6 27. Qxd6 $11 {Stockfish10}) 16. b3 Qh5 (
16... e4 17. Ba3 c5 18. Rad1 Qe7 19. Qd2 Rb6 20. f3 exf3 21. Bxf3 h6 22. Bb2
Re8 $11 {Stockfish10}) 17. Ba3 Nce8 (17... d5 18. Bxf8 Rxf8 {considered in pm
analysis with good practical chances for Bl as the Rs are bad defenders( Wh
kept getting mated on g2)}) 18. Rad1 c5 (18... Rf7 {Stockfish10} 19. Bxd6 Nxd6
20. Rxd6 Bf8 21. Rxd7 (21. Rd2 f4 $11) 21... Nxd7 22. Bxc6 Nf6 23. f3 Rc8 24.
Bd5 Nxd5 25. Nxd5 Qg6 $14 {Stockfish10}) (18... Rd8 19. Bb2 (19. Bxd6 Nxd6 20.
Rxd6 f4 21. exf4 gxf4 22. gxf4 (22. f3 Rf7 $11) 22... exf4 23. Nxf4 Qh4 24.
Nce2 Ng4 25. h3 Be5 26. Qd1 Bxd6 27. Qxd6 Nh6 $11 {Stockfish10}) 19... Be6 20.
Qd2 d5 $11 {Stockfish10}) (18... f4 $5 {considered in pm analysis} 19. f3 $16 {
Stockfish10} fxe3 20. Qd3 Rf7 21. Qxe3 Rd8 22. Qxa7 c5 23. Qb6 Rc8 24. Bb2 $16)
19. Nd5 (19. Nb5 Rb6 20. f3 Rf7 21. Bb2 a6 22. Nbc3 Qg6 $11 {Stockfish10})
19... Ng4 $6 {since the N lands up in a passive position} (19... Nxd5 {
Stockfish10 & pm analysis} 20. Bxd5+ Kh8 21. Bg2 f4 22. f3 Rf6 (22... Bc6 $11 {
Stockfish10}) 23. g4 Qf7 24. Nc3 Rg6 (24... Nc7 25. Ne4 $18) (24... Bc6 25. Ne4
Rg6 $11) 25. Rfe1 $11 {Stockfish10}) 20. h3 Nh6 (20... Ngf6 21. Ne7+ (21. f4
Nxd5 22. Bxd5+ Kh8 23. Bg2 $14) 21... Kh8 22. f3 $16 (22. Nxf5 {was Bl's
concern, missing} Bxf5 23. Qxf5 Qxe2 $19)) 21. f4 gxf4 (21... Kh8 22. fxe5 Bxe5
23. Bb2 $18) 22. exf4 (22. gxf4) 22... e4 23. Bxc5 dxc5 24. Ne7+ Kh8 25. Rxd7
$16 Nf6 26. Rxa7 Nfg4 (26... Nhg4 {Stockfish10} 27. Qd2 Rbd8 28. Nd5 Nh6 (28...
Nxd5 29. hxg4) 29. Rc7 Rc8 30. Rxc8 Rxc8 31. Ne3 $18) 27. Nd5 $18 Rbd8 (27...
Bd4+ 28. Nxd4 cxd4 29. Qd1 $18) 28. Rxg7 $1 Kxg7 29. hxg4 Nxg4 30. Qc3+ Kh6 (
30... Kf7 {safer, though then f6 must be kept under control}) 31. Rc1 (31. Rb1
{Stockfish10}) 31... Nh2 32. Qe3 (32. Qa5) 32... Nf3+ 33. Kf2 Nh2 34. Kg1 (34.
Qxc5 Ng4+ 35. Ke1 {is pefectly safe}) 34... Nf3+ {(draw?)} 35. Bxf3 Qxf3 (35...
exf3 36. Qe6+ Kg7 37. Qe7+ (37. Qe5+ Kg8 38. Ne7+ Kf7 39. Nxf5 fxe2 40. Re1 Qg6
41. Qe7+ Kg8 42. Qxd8 Rxd8 43. Ne7+ Kf7 44. Nxg6 hxg6 45. Rxe2 $18 {Stockfish10
}) 37... Kh8 (37... Kg8 38. Nf6+ (38. Nec3 Qh3 $11) 38... Rxf6 39. Qxd8+ Kg7
40. Qe7+ Rf7 41. Qxc5 fxe2 42. Re1 $18) 38. Nec3 Qh3 39. Qe5+ Kg8 40. Ne7+ Kf7
41. Qxf5+ $18 {Stockfish10}) 36. Qxf3 exf3 37. Nec3 Rfe8 38. Kf2 Kg6 39. Kxf3
h5 40. Rd1 Re6 $2 (40... Rh8 41. Na4 h4 (41... Ra8 42. Nxc5 (42. Rd2) 42...
Rxa2 43. Ne3 $18) 42. gxh4 Rxh4 43. Ne7+ Kf7 44. Rxd8) 41. Ne7+ 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.8"]
[White "Thomas, Roy"]
[Black "Bevan, Peter M"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1719"]
[BlackElo "1907"]
[Annotator "kemen"]
[PlyCount "83"]
[EventDate "2019.??.??"]

{[%evp 0,69,42,-28,-21,-34,-34,-25,-20,-24,-14,-27,-27,-23,-23,-27,-38,-45,-3,
-3,30,45,45,45,74,82,101,120,110,120,112,122,122,29,66,66,66,56,60,60,60,60,74,
71,228,145,205,206,212,206,206,201,238,231,277,249,252,243,223,253,326,347,762,
839,803,828,1121,1256,29989,721,1031,1076]} 1. f4 d5 2. e3 Nf6 3. Nf3 g6 4. Be2
Bg7 5. O-O O-O 6. d3 c5 7. Nc3 Nc6 8. e4 {a Roy speciality} dxe4 (8... d4 9.
Na4 {Roy 1.5-5.5 , but all against higher rated players}) 9. dxe4 {2.5-1.5}
Qxd1 (9... Bg4 {1.5-0.5}) (9... Nd4) (9... e6 10. Be3 Qe7 11. h3 Rd8 12. Qe1 b6
13. Bf2 Qc7 14. e5 Ne8 15. Bh4 Rd7 16. Ng5 {Thomas-Orton, S Wales
International 2017,0-1}) 10. Rxd1 Bg4 11. e5 Ne8 12. Be3 b6 13. Rd2 (13. h3 {
Cloud Engines} Bf5 (13... Be6 14. Ng5 Bh6 15. Bf3 Rc8 16. h4 Bxg5 17. hxg5 f6
18. exf6 exf6 19. gxf6 Nxf6 20. Rd6 Nd8 21. Rad1 Kf7 22. Nb5 {Brem-Horyna,
Plzen op 2011,1-0}) 14. Ne1 Nc7 15. Bf3 Nb4 16. Bxa8 Rxa8 17. Rd2 Be6 18. Rad1
{Goepfert-Jung, MVP ch seniors 2017,1-0}) 13... Nc7 14. h3 Be6 15. Rad1 $16 h6
16. Nb5 (16. a3 {Fritz13}) (16. Bd3 {Stockfish10}) 16... Ne8 17. c4 f6 18. Nh4
$18 {both Engines} fxe5 (18... Kf7 19. g4 g5 20. f5 gxh4 21. fxe6+ Kg8 (21...
Kxe6 22. Bf3 $18) 22. Bf3 Rc8 23. Nd6 exd6 24. exd6 $18 {Stockfish10}) 19. Nxg6
Rf6 20. Nxe5 (20. Bf3 $18 {both Engines} Bxc4 (20... Rxg6 21. Bxc6 Rc8 22. Nxa7
Rb8 23. Rd8 $18) 21. Bxc6 Rxg6 (21... Rxc6 22. Nxe7+) 22. Bxa8 Bxb5 23. f5 Rd6
24. b3 $18 {Stockfish10}) 20... Nxe5 21. fxe5 Rf8 22. Bf3 (22. Re1 a6 23. Nc3
Rb8 24. Nd5 $18 {Stockfish10}) 22... Rxf3 {best try- both Engines} 23. gxf3
Bxc4 24. Nc3 Bxe5 25. Bxh6 (25. Rd8 {both Engines} Rxd8 26. Rxd8 Kf7 27. Bxh6
$18) 25... Nd6 26. b3 $2 (26. Re1 $18) 26... Bxc3 27. bxc4 (27. Rxd6 exd6 28.
bxc4 Bd4+ $11 {Stockfish10}) 27... Bxd2 28. Rxd2 Kf7 (28... Nxc4) 29. Bg5 a5
30. h4 Nxc4 31. Rd7 Re8 32. h5 (32. Rb7 $11) 32... Ke6 (32... Ne5 $19 {both
Engines}) 33. Rb7 Ne5 34. Rxb6+ Kf5 35. f4 (35. Be3) 35... Nf3+ 36. Kf2 Nxg5
37. fxg5 Kxg5 38. Rc6 Kxh5 39. Rxc5+ Kg4 40. Rxa5 e5 41. Ke3 Kf5 42. Ra7
1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.9"]
[White "May, Frank"]
[Black "Philpin, Les"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2069"]
[BlackElo "1702"]
[Annotator "kemen"]
[PlyCount "71"]
[EventDate "2019.??.??"]

{[%evp 0,25,42,5,25,-13,-7,-13,-11,-28,30,16,22,-45,10,17,17,23,26,9,18,20,22,
39,28,34,51,43]} 1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. Bg5 Be7 5. cxd5 exd5 6. Qc2 c6
7. e3 Be6 (7... Nbd7 {main}) 8. Bd3 h6 9. Bh4 Nbd7 10. Nge2 g5 {weakens the K
side} (10... Nh5) 11. Bg3 Nh5 12. O-O (12. f3) (12. O-O-O) 12... Nxg3 13. Nxg3
Qc7 $146 (13... Nf6) (13... Nb6 {played}) 14. Rac1 a6 15. Nf5 Bf8 16. b4 h5 (
16... Bxb4 $5) (16... Nb6) 17. a4 Nb6 18. Rfd1 Nc4 19. Bxc4 dxc4 20. Ne4 Be7
21. Ng7+ $18 Kf8 22. Nxe6+ fxe6 23. Qxc4 Kf7 24. b5 axb5 25. axb5 Rhc8 26. h3 (
26. Qe2) 26... g4 27. hxg4 hxg4 28. Qe2 (28. d5 exd5 29. Rxd5 $18 {Komodo12})
28... Rg8 29. bxc6 bxc6 30. g3 (30. f4 {Komodo12}) 30... Ra5 31. Qc4 Rc8 32.
Kg2 (32. Nc5 Bxc5 33. dxc5 Rd8 34. Rxd8 Qxd8 35. Qf4+ Ke8 36. Qxg4 $18 {
Komodo12}) 32... Rh5 33. Rh1 Rch8 34. Rxh5 Rxh5 35. Qe2 Ba3 36. Qxg4 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.10"]
[White "Waterfield, John W"]
[Black "Greatorex, Roger"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1935"]
[BlackElo "1713"]
[Annotator "kemen"]
[PlyCount "65"]
[EventDate "2019.??.??"]

{[%evp 0,18,46,46,54,30,53,7,71,71,114,111,122,127,112,96,110,117,113,117,89]} 
1. e4 e6 2. d4 (2. Qe2 c5 3. g3 Nc6 4. Nf3 Be7 5. Bg2 a6 6. d3 b5 7. O-O Bb7 8.
Re1 Rc8 {J Van Kemenade-Greatorex,Dyfed Open 2015,1/2-1/2}) 2... a6 3. c4 (3.
Nf3 b5 4. Bd3 Bb7 5. O-O c5 6. c3 Nf6 7. Qe2 Nc6 8. Nbd2 Be7 9. dxc5 Bxc5 10.
b4 Bb6 11. a4 $16 {Waterfield-Greatorex, Welsh Seniors 1918,1-0}) 3... b5 4.
Nf3 (4. cxb5) 4... bxc4 (4... Bb7) 5. Bxc4 Bb7 6. Nc3 (6. Nbd2 Nf6 7. Bd3 Be7
8. O-O O-O 9. Qc2 h6 10. Nb3 Nc6 11. a3 d6 12. Re1 Ne8 13. d5 exd5 14. exd5 Ne5
15. Nxe5 dxe5 {Armstrong-Greatorex,4NCL 2004,1-0}) 6... Ne7 (6... Bb4) 7. Qb3
$18 (7. Bg5 Qc8 8. O-O h6 9. Be3 g6 10. d5 {Gladkov-Sviridov, RUS ch U14
Dagomys 2009,1/2-1/2}) 7... Qc8 (7... Bxe4 8. Nxe4 d5 9. Ne5 f6 10. Qb7 fxe5
11. Qxa8 dxc4 12. dxe5 $18 {Stockfish10}) 8. d5 Ng6 9. Be3 (9. h4) 9... Bd6 10.
O-O e5 11. Rad1 (11. h4) 11... O-O 12. Qc2 Be7 13. Ne2 (13. Rc1) 13... d6 14.
Ng3 Nd7 15. Nf5 Bd8 16. Rd3 $18 Nf6 17. Rc3 Qb8 18. Bb3 (18. a4) 18... Nd7 19.
Ba4 Nb6 20. Bc6 (20. Bxb6 cxb6 21. Bc6 Bxc6 22. dxc6 Bc7 23. Rd1 $18 {
Stockfish10}) 20... Bxc6 21. Rxc6 (21. dxc6 {also, Stockfish10}) 21... Nc8 22.
Rc3 (22. g4) 22... Qb5 (22... Nce7) 23. Rb3 Qd7 24. Ra3 Nb6 25. Rc1 Ne7 26.
Nxe7+ Qxe7 27. Qc6 Ra7 28. Nd2 (28. b4) 28... Qe8 29. Rb3 Qxc6 30. dxc6 (30.
Rxc6 {also}) 30... Re8 31. Nc4 Re6 32. Nxb6 cxb6 33. Bxb6 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.11"]
[White "Bourne, Johnathan D"]
[Black "Van Kemenade, Julie"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1907"]
[BlackElo "1704"]
[Annotator "kemen"]
[PlyCount "51"]
[EventDate "2019.??.??"]

{[%evp 0,11,19,28,71,80,66,24,49,55,76,70,71,52]} 1. e4 d6 2. Nc3 (2. d4 Nf6 3.
Nc3 c6 4. Be3 Qc7 5. h3 e5 6. Nf3 Nbd7 7. Be2 Be7 8. O-O {Bourne-Van Kemenade,
Dyfed Open 2011,1-0}) 2... Nf6 3. f4 c6 4. Nf3 Nbd7 5. d4 Qa5 6. Bd2 Qb6 (6...
e5) (6... Qc7 {main lines}) 7. e5 $18 (7. Bc4 {Hajba-Nagy, Level op 2016, draw
agreed}) 7... Nd5 8. Nxd5 (8. Bd3 e6 9. O-O Nxc3 10. bxc3 g6 11. Qe2 d5 12. Ng5
Bg7 13. f5 $18 {Stockfish10}) 8... cxd5 9. Bd3 e6 10. Qe2 Be7 11. O-O O-O 12.
Kh1 (12. g4 $18 {Stockfish10}) 12... dxe5 (12... Nb8 13. c3 Nc6 14. g4 $18 {
Wh has too much space on the K side}) 13. fxe5 f5 14. exf6 (14. g4 {Stockfish10
}) 14... Nxf6 15. Ng5 (15. Rae1) 15... Bd7 (15... h6 16. Nf3 Bd6 17. c3 Bd7 18.
Nh4 Ne4 19. Bxh6 $18 {Stockfish10}) 16. Rxf6 $5 (16. Rae1) 16... Rxf6 17. Nxh7
(17. Bxh7+ $1 Kf8 (17... Kh8 18. Qh5 $18) 18. Qh5 Qxb2 19. Rd1 Bb4 20. Bd3 Ke7
21. Be3 Kd6 22. Qh7 Raf8 23. Qxg7 Kc6 24. c4 dxc4 25. Bxc4 Qc2 26. Bb3 Rf1+ 27.
Bg1 Qe2 28. d5+ exd5 29. Bxd5+ Kc7 30. Ne6+ Qxe6 31. Bxe6 Rxd1 32. Qe5+ Kc8 33.
Bxd7+ Rxd7 34. Qe6 $18 {but its not all over yet}) 17... Qxb2 $11 18. Nxf6+
Bxf6 19. Rf1 Qxd4 20. Qh5 (20. Be3 Qh4 21. Qf3 a6 $11 {Stockfish10}) 20... Qh4
$15 21. Qe2 Bg5 $2 {gives up a key defender for a non-attacker} (21... e5 22.
Bg6 Qg4 23. Qd3 Rc8 24. Rf2 (24. Qxd5+ Be6 25. Qe4 Rc4 26. Qxg4 Rxg4 27. Be8
Bd5 28. Rg1 Bxa2 $19) 24... Be6 25. h3 Qc4 $17 {Stockfish10}) 22. Bxg5 Qxg5 23.
Qf3 $18 Qe7 24. Qh5 g5 25. Bg6 Qg7 26. Bf7+ 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.12"]
[White "Paffard, Mark"]
[Black "Morgans, Justin"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1731"]
[BlackElo "1646"]
[Annotator "kemen"]
[PlyCount "68"]
[EventDate "2019.??.??"]

{[%evp 0,23,28,37,80,57,61,42,31,31,74,74,46,32,28,17,5,4,11,-3,0,-7,-7,-1,7,
-301]} 1. e4 c6 2. d4 (2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh4 e6
7. Nxg6 hxg6 8. d3 Bd6 9. Ne4 Nf6 10. Nxd6+ Qxd6 11. h3 Nbd7 12. Qe2 O-O-O {
Jansen Van Rensburg-Morgans,S Wales Autumn Open 2018,0-1}) 2... d5 3. Nc3 dxe4
4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nf6 7. Ne5 (7. h4 h6 8. Ne5 Bh7 9. Bd3 {main})
7... e6 8. Nxg6 hxg6 9. Bg5 Be7 10. Be2 Nbd7 {0.5-4.5 from this position} 11.
c3 Qc7 (11... Qa5 12. Qb3 $2 {Barrow-Manvelyan, San Francisco TM Summer,2010,
0-1}) 12. a4 (12. Qd2 Bd6 13. O-O-O Qa5 14. Kb1 Bxg3 15. Bxf6 gxf6 16. hxg3
O-O-O {Demirci-Inan, Manavgat Turkey Cup 2016,1/2-1/2}) 12... Bd6 13. Qc2 Bf4 (
13... Bxg3 14. fxg3 Rxh2 $17 {Komodo12}) 14. Bxf4 Qxf4 15. Bf3 O-O-O 16. b4 e5
17. b5 (17. O-O exd4 18. cxd4 Qxd4 19. Rad1 Qh4 20. h3 Ne5 21. Be4 Kb8 $15 {
Komodo12- Wh may get a little bit of play against the Bl K}) 17... c5 (17...
exd4 18. cxd4 Ne5 19. bxc6 Nxf3+ 20. gxf3 Rhe8+ 21. Kf1 Qxf3 22. cxb7+ Kb8 $17
{Komodo12}) 18. d5 (18. O-O Kb8 19. a5 $11 {Komodo12}) 18... e4 $19 19. Nxe4 (
19. Be2 e3 20. fxe3 Qxe3 21. Qc1 Nxd5 22. Qxe3 Nxe3 23. Kf2 Rhe8 $19 {Komodo12}
) 19... Nxe4 (19... Rde8 $1) 20. Bxe4 Rde8 21. f3 f5 22. Qd2 Qxd2+ (22... Qh4+
23. g3 Qxg3+ 24. hxg3 Rxh1+ 25. Kf2 Rh2+ 26. Ke3 Rxd2 27. Kxd2 fxe4 $19 {
Komodo12}) 23. Kxd2 fxe4 24. fxe4 Rxe4 $19 25. Rhe1 Rhe8 (25... Rg4) 26. Rxe4
Rxe4 27. Kd3 Nf6 28. a5 c4+ 29. Kd2 Nxd5 30. Rf1 Nf6 31. Rf3 g5 32. Rh3 Rh4 (
32... Kc7) 33. Rxh4 gxh4 34. h3 Nd5 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.13"]
[White "Andrews, Norman G"]
[Black "Haigh, Tony"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "1605"]
[BlackElo "1793"]
[Annotator "kemen"]
[PlyCount "52"]
[EventDate "2019.??.??"]

{[%evp 0,16,19,38,89,9,52,40,38,41,35,48,67,52,45,44,48,53,55]} 1. e4 Nf6 2.
Nc3 d5 3. exd5 Nxd5 4. Nf3 (4. d4 Nxc3 5. bxc3 g6 6. Bc4 Bg7 7. Ne2 O-O 8. O-O
Nd7 9. Ba3 Nb6 10. Bb3 $2 a5 $19 {Alford-Haigh, WCPL 2019,0-1}) 4... Nxc3 5.
bxc3 g6 6. Bc4 Bg7 7. d4 O-O 8. O-O Nd7 (8... c5 {main}) 9. Be3 (9. Ba3) (9.
Re1 {main lines}) 9... Nb6 10. Bb3 (10. Bd3 c6 11. h3 Be6 12. Re1 Re8 13. a4
Nc4 14. Bf4 Nb2 15. Qe2 Nxd3 16. cxd3 Qa5 17. Bd2 {Przybylski-Luch, POL ch
blitz, Szczawno Zdroj 2018,1-0}) 10... Qe8 (10... Nd5 11. Bd2 b6 12. Ne5 Bb7
$11 {Komodo12}) 11. Qd2 a5 12. a3 (12. a4 Bd7 (12... Bg4) 13. Bh6 Bxa4 14. Bxa4
Nxa4 15. Bxg7 Kxg7 16. c4 Nb6 17. c5 Nd5 18. c4 Nb4 19. d5 $14 {Komodo12} (19.
Rfe1 $14)) 12... Bd7 (12... Bg4 13. Ne5 Bxe5 14. dxe5 Rd8 15. Qc1 a4 16. Ba2
Qc6 $11 {Komodo12}) 13. Bh6 $14 Bb5 14. Rfe1 a4 15. Ba2 Bc4 16. Bxg7 Kxg7 17.
Bxc4 Nxc4 18. Qe2 Qc6 19. Qxe7 (19. Ne5 Nxe5 20. Qxe5+ Kg8 21. d5 Qc5 22. Rab1
Qxa3 23. Qxc7 Qd6 24. Rxe7 Qxd5 $17 {Komodo12}) 19... Rfe8 20. Qb4 b5 $11 21.
Rad1 Qd5 22. h3 Rad8 23. Rxe8 (23. Ne5 Nxe5 24. dxe5 Qxd1 (24... Qc6 25. Rxd8
Rxd8 26. e6 $16 {Komodo12} fxe6 27. Qe7+ $18)) 23... Rxe8 24. Kf1 (24. Re1
Rxe1+ 25. Nxe1 c6 26. Nd3 $11 {Komodo12}) 24... c6 (24... Qe4 $17 {Komodo12}
25. Re1 $2 Nd2+ 26. Kg1 Nxf3+ $19) 25. Re1 Rxe1+ 26. Kxe1 Qe4+ $17 {(draw?)} (
26... Qe4+ 27. Kd1 (27. Kf1 Qxc2 $19) 27... g5 28. Qc5 h6 29. Ne1 g4 30. hxg4
Qxg4+ 31. Nf3 (31. Kc1 Qe2 $19) 31... Qxg2 32. Ke2 Qg6 33. Kd1 Qg4 $19 {
Komodo12}) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.14"]
[White "Orton, Paul"]
[Black "Chong, Kimberly"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1596"]
[BlackElo "1720"]
[Annotator "kemen"]
[PlyCount "104"]
[EventDate "2019.??.??"]

{[%evp 0,15,46,5,13,28,30,27,20,13,13,9,3,4,1,-1,21,16]} 1. d4 Nf6 2. Bf4 d5 3.
Nf3 Bf5 4. e3 e6 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Nbd2 (7. Bxd6) (7. Bg3 {main lines}
) 7... Bxf4 8. exf4 {4.5-0.5 from this position} Nbd7 9. O-O O-O 10. Rfe1 $146
(10. f5 {2.5-0.5}) (10. Ne5 {0.5-0.5}) (10. b4 {Cloud Engines}) 10... c5 11. c3
Rc8 12. Ne5 cxd4 13. cxd4 (13. Qxd4 $5) 13... Re8 14. Rac1 Qb6 $11 15. b3 Rc7
16. Rxc7 (16. Rc3 Rec8 17. Rec1 $11 {Komodo12}) 16... Qxc7 17. Qb1 {retreating}
(17. Qe3 $11) 17... Rc8 $15 18. Ndf3 Qc2 19. Kf1 Nxe5 (19... Qxb1 20. Rxb1 Nxe5
21. Nxe5 Ne4 22. Rb2 f6 23. Nd3 Kf7 $17 {Komodo12}) 20. Nxe5 Ne4 (20... Qd2 21.
Qd1 Qxa2 $19 {Komodo12}) 21. Qxc2 Rxc2 22. Re2 Rxe2 23. Kxe2 Nc3+ 24. Kd2 Nxa2
$17 {|It looks as though, with a Q side majority ,Bl should be able to win the
ending; especially since Wh also has some K side weaknesses. However the N is
temporarily out of play( the cost of gaining the pawn) so Bl has to be careful
to get N & K working together again} 25. Nd3 a5 26. Nc5 b5 (26... b6 $1 27. Nd7
b5 $17 {Komodo12} 28. Nc5 Nb4 29. Nb7 Nc6 $17) 27. Nb7 $11 a4 28. bxa4 bxa4 29.
Nc5 a3 (29... Nb4 30. Nxa4 Nc6 $11) 30. Kc2 (30. Nd3 $18 {traps the N & nearly
wins it} f6 31. Kc2 e5 32. fxe5 fxe5 33. dxe5 d4 34. Kb3 Nc3 35. Kxa3 Kf7 36.
Kb4 Ke6 37. Kc4 Ne2 38. f4 $18 {Komodo12}) 30... Nb4+ $17 {now the N can cause
damage again} 31. Kc3 a2 (31... Nc6 32. Nb3 Kf8 33. Na1 Ke7 34. Nc2 a2 35. Kb2
Kf6 36. g3 Na5 37. Kxa2 Kf5 38. f3 Nc4 39. Ne1 Nd2 40. Kb2 Nf1 41. Kc3 Nxh2 {
and Bl has good winning chances}) 32. Nb3 {(draw?)} Nc6 $17 33. Kb2 {a complex
position} f6 (33... a1=Q+ 34. Kxa1 Nb4 35. Kb1 Nd3 36. g3 Nxf2 $17 {Komodo12})
(33... Kf8 34. g3 (34. Kxa2 Nb4+ 35. Kb2 Nd3+ 36. Kc3 Nxf2 37. Kd2 Ke7 $17)
34... Ke7 35. Kxa2 Nb4+ 36. Kb1 Nd3 37. f3 Ne1 38. Nd2 Kf6 39. Kc1 Ng2 40. Nf1
Kf5 41. Kd1 h5 42. h4 f6 43. Ke2 Nxf4+ 44. gxf4 Kxf4 45. Kf2 g5 46. hxg5 Kxg5 (
46... fxg5 47. Ne3 g4 48. Ng2+ Kf5 49. Nh4+ (49. f4 Ke4 $19) 49... Kg5 50. Ng2
gxf3 51. Ne1 Kf5 52. Nxf3 Ke4 53. Ke2 h4 $11) 47. Ne3 h4 48. Ng4 Kf5 49. Ne3+
Kf4 50. Nc2 e5 51. Nb4 exd4 52. Nd3+ Kf5 53. Kg2 Kg6 54. Kh3 Kg5 $11) 34. f3
Kf7 35. Kxa2 Nb4+ 36. Kb1 Nd3 37. g3 $11 {Komodo12} e5 38. fxe5 fxe5 39. dxe5
Nxe5 40. Nd4 g5 41. Kc2 Kf6 42. Kd2 Ng6 43. Ke3 h5 44. f4 gxf4+ 45. gxf4 Ne7
46. Kf3 Nf5 47. Ne2 (47. Nxf5 Kxf5 48. Ke3 $11 Kg4 49. Kd4 Kxf4 50. Kxd5 Kf3
51. Ke5 Kg4 52. Ke4 h4 53. Ke3 Kh3 54. Kf3 Kxh2 55. Kf2 $11) 47... Ke6 48. Ng3
Nd4+ 49. Ke3 Nf5+ 50. Kf3 Nd4+ 51. Ke3 Nf5+ 52. Kf3 Nd4+ 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.15"]
[White "Fraser, Susanna"]
[Black "Miller, John S"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "1578"]
[BlackElo "1686"]
[Annotator "kemen"]
[PlyCount "71"]
[EventDate "2019.??.??"]

{[%evp 0,22,20,20,20,-14,42,31,37,7,7,8,25,22,37,53,31,24,52,25,20,-4,36,39,46]
} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O a6 7. Nc3 Nc6 8. Bg5
{not the best place for the B at the moment} (8. h3) (8. d5 {main lines}) 8...
Rb8 9. Rc1 h6 10. Bf4 (10. Bxf6 {most frequent}) 10... Nh5 11. Be3 e5 (11... f5
) 12. dxe5 Nxe5 (12... dxe5 {Stockfish10} 13. Qxd8 Rxd8 14. Nd5 e4 15. Nd2 Nd4
16. Rfe1 Nf5 17. Ba7 Ra8 18. Bc5 b6 19. Ba3 Bb7 20. Nxe4 Bxd5 21. cxd5 Nd6 {
Le Masle-Maugenest, Avoine op 2016,1-0}) 13. Nxe5 dxe5 14. Qxd8 (14. Ba7 Ra8
15. Bc5 Re8 16. Qb3 $18 {Stockfish10}) (14. Qb3 Nf6 15. Ba7 Ra8 16. Bc5 Re8 17.
Rfd1 Nd7 18. Ba3 $18 {Stockfish10- Bl is rather tied down}) 14... Rxd8 15. Nd5
c6 (15... Rd7 16. b3 $16 {Stockfish10}) 16. Ba7 (16. Bb6 Rf8 17. Bc7 $18 {
Stock fish10-is a clearer move order}) 16... Ra8 17. Bb6 Rd7 (17... Rf8 18.
Ne7+ (18. Nc7 Rb8 19. Ba7 Bd7 20. Rfd1 Nf6 21. e4 Rbd8 22. h3 $16) 18... Kh8
19. Nxc8 Rfxc8 20. Rfd1 $16 {Stockfish10} (20. b4 $16)) 18. Bh3 $2 (18. Nc7 Rb8
19. Ba7 Rxc7 20. Bxb8 Re7 21. Rfd1 $18 {Stockfish10}) 18... f5 (18... cxd5 19.
Bxd7 Bxd7 20. cxd5 Nf6 $17 {Stockfish10-and Bl has 2 pieces for a R}) 19. Nc7
$18 Rxc7 (19... Rb8 20. Rfd1 Bf6 21. Ba7 Rxc7 22. Bxb8 $18) 20. Bxc7 Be6 21. b3
Rc8 22. Ba5 Nf6 23. Rfd1 Nd7 24. Rd6 Kf7 25. Rcd1 Nc5 26. f3 (26. Bb4 Ne4 27.
Rd8) 26... Bf6 27. Bb6 Nd7 28. Rxd7+ Bxd7 29. Rxd7+ Ke6 30. Rxb7 Kd6 31. c5+ (
31. e4) (31. Ra7) 31... Ke6 32. Ra7 Re8 33. Rxa6 Kd5 34. Ra7 (34. e4+ fxe4 35.
fxe4+ Kxe4 (35... Kd4 36. Bd7) 36. Bg2+) 34... e4 35. fxe4+ Rxe4 36. Bg2 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.16"]
[White "Pinch, David"]
[Black "Horrell, Stephen A"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1634"]
[BlackElo "1592"]
[Annotator "kemen"]
[PlyCount "81"]
[EventDate "2019.??.??"]

{[%evp 0,16,26,27,20,27,58,28,31,49,49,8,45,16,16,-15,-6,-10,-10]} 1. d4 Nf6 2.
Bf4 d6 3. e3 g6 4. Nf3 Bg7 5. Be2 Nbd7 6. Nbd2 b6 7. c4 (7. h3) (7. c3 {
main lines}) 7... Bb7 8. O-O c5 (8... O-O) 9. h3 O-O 10. Qc2 Re8 11. d5 b5 (
11... Nf8 12. Rad1 e5 13. dxe6 Nxe6 14. Bh2 Qe7 15. Rfe1 d5 16. cxd5 Bxd5 17.
Ne5 Nc7 18. e4 Bb7 19. Bc4 Ne6 20. Ndf3 Nh5 21. Rd7 {Fabbri-Suzuki, Sao Paulo
CXSP 98 years op 2000,1-0}) 12. e4 bxc4 (12... Nh5 13. Bh2 bxc4 14. Nxc4 Nb6
15. Na5 Bc8 16. Nc6 Qc7 17. Rab1 a5 18. Qxc5 f5 19. Bd3 fxe4 20. Bxe4 Ba6 (
20... Nf6 $17) 21. Rfe1 (21. Rfc1 $16) 21... Nc4 $11 {Buldra-Krbusik, CZE ch
tm 2007,0-1}) (12... e6 $11 {Stockfish10}) 13. Bxc4 (13. Nxc4 {looks stronger})
13... Nb6 14. Bb5 Nfd7 15. Rfe1 a6 16. Bc4 Qc7 (16... Nxc4 17. Nxc4 Nb6 $14 {
Stockfish10}) 17. Rad1 a5 18. Nb1 $6 (18. Bb5 $14) 18... Nxc4 19. Qxc4 Ba6 (
19... Bxb2 $17 {Stockfish10}) 20. Qc2 Reb8 $15 21. Nc3 Rb4 22. Bc1 Ne5 (22...
Rab8 $17) 23. Nxe5 Bxe5 24. g3 (24. f4 Bd4+ 25. Kh2 Qa7 $14 {Stockfish10})
24... Qd7 25. Kg2 Bc8 (25... Rab8 $17 {Stockfish10}) 26. Rh1 Rc4 (26... a4 $19
{Stockfish10- Bl has an improved Benko Gambit, with the exra a pawn as a
weapons}) 27. Rd3 Rb8 28. b3 {gives Bl a target} Rd4 {Wh has a lack of space,
so exchanges help him} (28... Rcb4 $19 29. Re3 c4 30. Nd1 cxb3 31. axb3 e6 $19
{Stockfish10}) 29. Rxd4 Bxd4 (29... cxd4 30. Na4 f5 $19 (30... Ba6 $19 {
Stockfish10})) 30. Ne2 (30. h4) (30. Bd2) 30... Bg7 31. Nc3 Ba6 $17 (31... f5
$17) 32. Na4 Bb5 (32... c4 $19 33. bxc4 Rb4 34. Nc3 Qc8 (34... Rxc4) 35. Bd2
Qxc4 36. Rc1 h5 (36... a4 37. a3 Rb3 38. Nxa4 Qxc2 39. Rxc2 Rxa3 40. Nb6 Bd4
41. Nc4 $17) 37. Kh2 h4 $19 {and Wh is running out of moves- Stockfish10} 38.
gxh4 (38. Nd1 hxg3+ 39. Kxg3 Qxc2 40. Rxc2 Rxe4 41. Bxa5 Ra4 42. Be1 (42. Bc3
Ra3) 42... Be5+ 43. Kg2 Bd3 44. Rc8+ Kg7 45. Bc3 Be4+ 46. Kg1 Rxa2 $19) 38...
a4 39. a3 Rb3 40. h5 Qd4 41. Kg2 Bd3 42. Qd1 Bxe4+ $19 {Stockfish10}) 33. Nb2
e6 (33... a4 $17) 34. dxe6 Qxe6 35. f3 Re8 (35... f5 36. exf5 gxf5 37. Nd3 Bxd3
38. Qxd3 Re8 39. Rd1 Qe2+ 40. Qxe2 Rxe2+ 41. Kf1 Rxa2 $15 {Stockfish10}) 36.
Nd3 Qd7 (36... c4 37. Nf4 cxb3 38. axb3 Rc8 39. Qd1 Qe5 40. Nd5 f5 $17 {
Stockfish10}) 37. Rd1 (37. Nf2 c4 38. bxc4 Rc8 39. Bf4 Bxc4 40. Qb1 Qe6 $15 {
Stockfish10}) 37... Qc7 (37... c4 $17 {Stockfish10}) 38. Nf4 $16 Bd4 $2 (38...
f5 39. exf5 Be5 40. a4 Ba6 41. Re1 gxf5 42. Qxf5 Qf7 43. Qg5+ $16 {Stockfish10}
) 39. Rxd4 $18 f5 40. exf5 gxf5 41. Rd2 (41. Rd5) 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.17"]
[White "Cooke, Mark"]
[Black "Hurn, Robert Aj"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1368"]
[BlackElo "1632"]
[Annotator "kemen"]
[PlyCount "177"]
[EventDate "2019.??.??"]

{[%evp 0,14,30,20,20,8,40,48,91,73,71,51,53,15,70,34,73]} 1. Nf3 Nf6 2. Nc3 g6
3. e4 d6 4. d4 Bg7 5. a3 O-O 6. h3 Nbd7 7. Bd3 b6 (7... c5 8. Ne2 cxd4 9. Nexd4
Nc5 10. Qe2 Re8 11. b4 Nxd3+ 12. Qxd3 e5 13. Nb5 d5 {Strazzer-Tamarozi, Mogi
das Cruzes op 2012,0-1}) 8. Ne2 Bb7 9. Ng3 e5 10. c3 (10. d5) 10... Qe7 (10...
d5 $17 {Komodo12- opening up the centre when the Wh K is still there & Wh got
behind in development}) 11. O-O $11 Rfe8 12. d5 (12. Bg5 h6 13. Bh4 g5 14. Nf5
Qf8 15. Bg3 Nxe4 16. Bh2 $11 {Komodo12- the K side weaknesses compensate})
12... Nc5 13. Bb5 (13. Bc2) 13... Rf8 (13... Ncxe4 14. Nxe4 Nxe4 15. Bxe8 Rxe8
16. Re1 f5 $11 {Komodo12}) 14. Re1 a6 15. Bc4 (15. Bf1) 15... b5 16. Ba2 Rad8
17. b4 Na4 18. Qc2 Nb6 (18... c6 $11) 19. Be3 Rc8 20. Qd2 Rfe8 21. h4 Ng4 22.
Bg5 f6 23. Be3 Nxe3 24. Qxe3 Rf8 $11 25. h5 Rce8 (25... f5) 26. Nh4 Qf7 (26...
f5 $17 27. Nhxf5 gxf5 28. Nxf5 Rxf5 (28... Qf7 29. h6 Bf6 $17) 29. exf5 Qh4 $17
{Komodo12}) 27. h6 Bh8 28. Rad1 (28. Ngf5 Qd7 (28... gxf5 29. Qg3+ Bg7 30. Nxf5
$18) 29. Qg3 Kf7 30. Ne3 $14 {Komodo12}) 28... Bc8 29. f3 (29. Ngf5 $5) 29...
Bd7 (29... Qe7 30. f4 f5 31. Nf3 exf4 32. Qxf4 fxe4 33. Qxe4 Qf7 34. Qh4 Na4
$19 {Komodo12}) 30. Rd2 Re7 (30... f5 31. exf5 Qf6 32. fxg6 Qxh4 33. Ne4 hxg6
34. g3 Qe7 $17 {Komodo12}) 31. Rc1 Nc4 (31... f5 32. Ngxf5 Bf6 (32... gxf5 33.
Qg5+ Bg7 34. Qxg7+ Qxg7 35. hxg7 Rxg7 36. exf5 Bxf5 $11) 33. Nxe7+ Qxe7 34. g3
Bg5 35. Qe1 Bxh6 36. Rf2 Qg5 37. Rfc2 Qf6 38. Rb1 Bg5 $11 {Komodo12}) 32. Bxc4
bxc4 33. Qe2 Bb5 (33... f5 $17) 34. Qf2 Bd7 35. Qf1 Bb5 36. Ra1 Qe8 37. Ne2 Bd7
(37... f5 $17) 38. g4 Qa8 (38... f5 39. gxf5 Bf6 40. Qh3 Bg5 41. Rda2 Bxh6 $15
{Komodo12}) 39. Ng3 Qa7+ 40. Qf2 Qa8 41. Kh2 a5 42. a4 Ree8 43. b5 Rc8 44. Qf1
Qa7 45. Qe2 Rf7 46. Nf1 Rcf8 (46... f5 47. gxf5 Bf6 48. Qe1 Bg5 49. Rg2 Bf4+
50. Kh1 g5 51. Rg1 Kh8 52. Ng2 Rf6 53. Nxf4 Rxh6+ 54. Nh3 Rxh3+ 55. Nh2 $18 {
Komodo12}) 47. Ne3 Ra8 48. Nxc4 Qb8 49. Kg2 Qf8 50. Rh1 Qxh6 51. Nf5 $18 Qf8
52. Nh6+ Kg7 53. Nxf7 Qxf7 54. Qe3 g5 55. Kg3 Kg6 (55... Kg8) 56. Rdh2 (56. b6
cxb6 57. Nxd6 Qf8 58. Nf5 $18 {Komodo12}) 56... Bg7 57. Qg1 (57. Rxh7) 57... h6
58. b6 Bxa4 59. b7 (59. bxc7 Qxc7 60. Nb6 $18) 59... Rb8 60. Qa7 Qe8 61. Nxa5
Bb5 62. Nc6 Bxc6 63. dxc6 Bf8 64. Ra1 (64. Qxb8 Qxb8 65. Ra1 {ends things
quickly}) 64... d5 65. Qa2 (65. Qxb8 Qxb8 66. Ra8 {ends things quickly}) 65...
Qxc6 66. exd5 Qd6 67. Qc2+ e4+ 68. Kg2 f5 69. gxf5+ Kf6 70. fxe4 Rxb7 71. Qe2
Qe5 72. Ra6+ Rb6 73. Rxb6+ cxb6 74. Qe3 Qd6 75. Rh1 Kf7 76. Rb1 Qa3 77. Rxb6
Bc5 78. Rb7+ Kf8 79. Qg3 Bd6 80. e5 (80. Qh3 Qa2+ 81. Kf3 Qh2 82. Qxh2 Bxh2 83.
Kg4 {Komodo12}) 80... Bc5 (80... Qa2+ 81. Qf2 (81. Kh3 Qxd5 82. exd6 Qxb7 83.
Qd3 Qh1+ 84. Kg4 Qh4+ 85. Kf3 Qf4+ 86. Ke2 {looks like a perpetual, the
Engines keep going round in circles}) 81... Qxd5+ 82. Qf3 Qd2+ 83. Kh3 h5 84.
Qg3 Qd5 85. Rb1 g4+ 86. Kh4 Bxe5 87. Qf2 Qe4 88. Kg5 (88. Re1 g3+ 89. Rxe4 gxf2
$19) 88... Qxb1 89. Qc5+ Kf7 90. Qxe5 Qb7 91. Kxh5 g3 92. Qxg3 {and with best
play Lomomosov tablebases give this as a mate in 54. ( This was one of the
last 2 to finish -the other in this rd Taylor-Waddington- so the players would
have been in great danger of both missing lunch & holding up the next round]})
81. e6 (81. Rb8+ Kf7 82. Qf3 {appears to be the most exact, with a mate in 9
according to Komodo12}) 81... Qa2+ (81... Bd6 82. e7+ $18 {Komodo12}) 82. Kh3 {
the only move to win} g4+ 83. Kxg4 (83. Qxg4 $1 {[%emt 0:00:05] mate in}) 83...
Qe2+ 84. Qf3 $2 {this could have lost the game!} (84. Kh4 Be7+ 85. Rxe7 $1 (85.
Kh3 Qh5+ 86. Kg2 Qe2+ {draws}) (85. f6 Bxf6+ 86. Kh3 Qh5+ 87. Kg2 Qxd5+ 88. Qf3
Qg5+ {and probably Wh squeezes a win}) 85... Kxe7 86. d6+ Kf6 87. d7 Qd1 88.
Qg6+ Ke5 89. Qg7+ Kxf5 90. Qf7+ Ke4 91. Qg6+ Ke3 92. Qg3+ Ke4 93. Qg4+ Qxg4+
94. Kxg4 $18 {Komodo12}) 84... Qc4+ (84... h5+ $1 $19 {wins the Q and ,
eventually, the game}) 85. Kh5 Qa2 86. Rf7+ (86. Qg3 {mate in 6, Komodo12})
86... Ke8 87. Qg3 Qe2+ 88. Kg6 Be3 (88... Qb2 89. Kh7 Bf8 90. Qc7 Qg2 91. Qd7#)
(88... Ba7 89. Rf8+ (89. Rxa7) 89... Kxf8 90. Qd6+ Ke8 91. Qd7+ Kf8 92. Qd8#)
89. Qb8# 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.18"]
[White "Roberts, Malcolm A"]
[Black "Parri, Deio"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1630"]
[BlackElo "1659"]
[Annotator "kemen"]
[PlyCount "53"]
[EventDate "2019.??.??"]

{[%evp 0,19,19,38,30,30,31,15,33,9,9,32,36,36,39,37,48,41,65,52,53,43]} 1. e4
e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Be7 6. h3 O-O 7. O-O b6 8. c3 Ba6 9.
Bxa6 Nxa6 10. Qd3 Nb8 11. Bf4 Nbd7 12. Nbd2 Re8 (12... c5 13. Ne5 (13. Rfe1 Re8
14. Ne5 Rc8 15. Re2 cxd4 16. cxd4 Nf8 17. Rae1 Ne6 18. Bh2 a6 19. Nxf7 {
Kuvsinov-Jeriominas, LTU ch , Vilnius 2016,1-0}) 13... Nxe5 14. Bxe5 c4 15. Qf5
Qd7 16. Qxd7 Nxd7 17. Rfe1 Rfe8 18. Re2 Bd6 19. Rae1 Bxe5 20. dxe5 Nc5 21. Nf3
Nd3 22. Rd1 Re7 23. Kf1 Rae8 {Krutina-Pospisil, CZE ch tm 2001,0-1}) 13. Rfe1
Nf8 (13... Qc8 14. Re2 Qb7 15. Rae1 Bf8 16. Ne5 c6 17. Nxd7 Qxd7 18. Be5 Re6
19. Nf3 h6 {Dizorz-Bertolutti, Udine Province ch 2007,1/2-1/2}) 14. Ne5 Bd6 15.
Bg5 h6 16. Bh4 $16 N8h7 17. Qf3 (17. Re2) 17... c5 18. a3 (18. Ng4 Rxe1+ 19.
Rxe1 cxd4 20. cxd4 Bb4 21. Re2 Bxd2 22. Rxd2 Rc8 23. Rd1 Rc6 24. Qg3 Kf8 25.
Re1 $14 {Stockfish10}) 18... Qc7 $11 19. Bg3 (19. Re2) 19... Ng5 20. Qd3 Nge4 (
20... c4) 21. Bh2 Nxd2 22. Qxd2 Ne4 23. Qe3 (23. Qd3 $11) 23... f6 (23... Re6
$15) 24. Nf3 Bxh2+ 25. Nxh2 Qf7 26. Qf4 cxd4 27. cxd4 $11 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "4.19"]
[White "Leah, Howard"]
[Black "Denham, Colin"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "1613"]
[BlackElo "1653"]
[Annotator "kemen"]
[PlyCount "72"]
[EventDate "2019.??.??"]

{[%evp 0,12,28,9,49,36,45,20,55,39,38,25,44,33,43]} 1. e4 c5 2. Nc3 Nc6 3. g3
b6 (3... g6 {main}) 4. Bg2 Bb7 5. d3 e5 {weakens the wh squares} (5... d6) (
5... e6 {main lines}) 6. f4 (6. Nge2 {main, 6-1}) 6... d6 (6... Nge7 7. Nf3 d5
8. O-O d4 9. Ne2 f6 10. h3 Nc8 11. f5 Be7 12. g4 Nd6 13. a3 Qd7 14. h4 O-O-O
15. g5 {Chapeau-Homerin, Feinies op 2000,1-0}) 7. Nf3 Nge7 8. Ne2 (8. f5 $16 {
Stockfish10}) 8... f6 (8... g6 9. h4 Bg7 10. h5 f5 $11 (10... d5 $11 {
Stockfish10})) 9. c3 Qc7 10. O-O Bc8 {undeveoping} (10... O-O-O $16 {though
seems quite logical}) 11. fxe5 (11. d4 $18 {Wh should open up the game, while
the Bl K is still there}) 11... dxe5 12. d4 cxd4 13. cxd4 Ng6 {Wh would have
had f5 here if there hadn't been an exchange on the f file earlier} 14. Be3
exd4 (14... Bd6 {Bl should try & cling on to the centre he has erected} 15. Rc1
Qd7 16. Nc3 Ba6 17. Rf2 O-O 18. Qa4 Qb7 19. d5 Na5 $16 {but Bl is still in the
game}) 15. Nfxd4 $18 Nxd4 16. Nxd4 Ne5 17. Rc1 {Wh is fully developed now & Bl
is struggling} Qd7 18. Qb3 Bc5 19. Rfd1 {loks good, but forces Bl to make an
even better move} (19. Nf5 $1 Bxe3+ 20. Nxe3 Qf7 21. Nd5 O-O 22. Ne7+ Kh8 23.
Qxf7 Nxf7 24. e5 Rb8 25. exf6 gxf6 26. Rxf6 $18 {Stockfish10= Wh has won a
pawn & his pieces dominate the board}) 19... Qf7 $11 20. Qc3 (20. Qxf7+ Kxf7
21. b4 Bxb4 (21... Bxd4) 22. Rc7+ Be7 23. Bf4 Bg4 24. Nf5 Bxf5 25. exf5 Rhc8
26. Bd5+ Ke8 27. Rb7 $11 {Wh has compensation for the pawn,no more, though it
would be easy for Bl to go wrong in this kind of a position}) 20... O-O (20...
Bg4 $1 21. Rd2 O-O $15 {Wh's e4 pawn blocks in his pieces}) 21. Nf5 Bxe3+ 22.
Nxe3 Be6 $15 23. Nd5 Rac8 24. Qa3 Bxd5 $6 {allows the Wh B a bit of extra
breathing space & liberates the p} (24... Kh8 $15) 25. exd5 $11 Nc4 26. Qb3 Nd6
27. Rc3 (27. Rc6 {uses the advanced outpost}) 27... Rxc3 28. Qxc3 Rc8 29. Qd3
Qe7 $11 {(draw?)} (29... Qg6) 30. Bh3 Rc7 31. Be6+ {its still not a very good
B, & if Bl could manage to swap off both the Qs & the Rs he would have
excellent chances of winning the ending} Kh8 32. Qd2 Rc5 33. Rc1 Ne4 34. Qe3
Rxc1+ 35. Qxc1 Qc5+ 36. Qxc5 Nxc5 $11 {(draw?)} (36... Nxc5 {as mentioned the
B is doing little besides protecting its pawn, which might normally lead to a
loss.However it is for the moment cutting off the Bl K, and that makes all the
difference, since it is the Wh K that can get active.However if Bl could
manage to lay siege to the d pawn, and possibly pick up the odd pawn elsewhere
that the B will be unable to defend. Concrete analysis is required, which
indicates that Bl can do no more than defend.} 37. Bf5 (37. Kf2 Nxe6 {at once
is dangerous, as the Wh K gets too active} (37... g6 38. Ke3 Nb7 (38... Kg7 39.
Bc8 Kf8 40. d6 Ke8 41. Kd4 $18) 39. g4 Kg7 40. Kd4 Kf8 41. h4 Ke7 42. b4 Kd6
43. h5 $11) 38. dxe6 Kg8 39. Ke3 Kf8 40. Ke4 Ke7 41. Kd5 h5 (41... b5 42. b4 (
42. Kc5 Kxe6 43. Kxb5 f5 44. Kc4 (44. Ka6 {is too slow} g5 $19) 44... Ke5 45.
Kd3 g5 46. Ke3 Kd5 47. h4 h6 48. Kd3 $11 {the potential passed pawns balance
one another}) 42... a6 43. g4) 42. b4 g6 43. b5 g5 44. h4 g4 45. a3 $18) 37...
g6 38. b4 Nb7 39. Be6 Nd6 40. g4 Kg7 41. Kf2 f5 42. gxf5 g5 (42... gxf5 43. Kf3
Kf6 44. Kf4 {dangerous for Bl as the B can lose a move while the N can't. But
it can turn its attention elsewhere} Ne4 45. Bxf5 Nc3 46. Bxh7 Nxd5+ 47. Ke4
Nxb4 48. a4 Kg5 $11) 43. Kf3 h5 44. Ke3 Kf6 45. Kd4 Nb5+ (45... Nxf5+ 46. Bxf5
Kxf5 47. d6 Ke6 48. Ke4 $11 {just-Stockfish10}) 46. Ke3 Nd6 $11) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.1"]
[White "Zeidler, Sven P."]
[Black "Barnaby, Nicholas"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2149"]
[BlackElo "1998"]
[Annotator "kemen"]
[PlyCount "95"]
[EventDate "2019.??.??"]

{[%evp 0,125,34,22,15,15,17,-40,-40,-23,-29,-21,91,97,95,95,162,156,127,158,
135,161,160,160,160,147,168,187,187,187,201,221,238,252,264,276,237,260,236,
296,270,294,296,277,297,221,230,239,222,189,213,227,236,238,268,308,303,300,
312,341,386,368,413,386,378,401,406,406,456,504,502,383,511,544,581,599,591,
394,394,397,395,332,331,355,351,349,349,349,362,340,350,346,346,340,351,351,
355,367,367,346,377,297,306,344,365,387,402,402,396,307,400,536,909,915,996,
1179,943,507,1112,1112,1255,1351,1378,1255,1346,1384,1474,1216]} 1. e4 e5 2.
Nf3 Nc6 3. c3 d5 4. Qa4 Bd7 5. exd5 Nb4 {unusual} (5... Nd4 {main, Sven 2 wins,
2 draws, 1 loss}) 6. Qb3 (6. Qd1 Nxd5 7. Nxe5 Qe7 8. Qe2 Nf4 9. Qe3 Nd5 10. Qe2
O-O-O {katerinis-dojcin, chesscube .com 2015,0-1}) 6... e4 7. Ne5 Nd3+ {(draw?)
} (7... Qe7 {best, Komodo12 & Stockfish10} 8. Qxb4 Qxe5 9. Qxb7 Rd8 10. Na3 (
10. Qxa7) 10... Bxa3 11. bxa3 Nf6 (11... Nh6) 12. Qxa7 O-O 13. Qd4 Qf5 $11 14.
c4 c6 $16 (14... c5 15. dxc6 (15. Qe3 Ng4 16. Qxc5 e3 $19) 15... Bxc6 16. Qe3
Ng4 17. Qg3 e3 18. fxe3 Nxe3 19. dxe3 Qc2 $19 {Stockfish10}) 15. Bb2 Rfe8 16.
Be2 cxd5 17. c5 $16 {Pirker-Kiss, Steyr Landesliga 2012,1-0}) 8. Bxd3 exd3 9.
O-O $18 (9. d6 Nh6 10. O-O Bxd6 11. Nc4 Bxh2+ {Vu-LeHa The, VIE ch U13,2005,
0-1 mating}) 9... Bd6 10. Re1 $146 (10. Nxd7 Qxd7 11. Qxb7 Rd8 12. Qxa7 Ne7 (
12... Nf6 13. Qe3+ Kf8 14. Qxd3 Nxd5 15. Qf3 h5 16. d4 {Karacsony-Nadasi,HUN
ch tm 2011, 1-0}) 13. Qd4 (13. c4 O-O 14. Nc3 Qf5 15. Qe3 Ng6 16. Qe4 (16. Qh3
$18) (16. Ne4 $18) 16... Qh5 $17 17. g3 Rde8 (17... f5 18. Qg2 Nf4 $19 {
Stockfish10}) 18. Qg2 Ne5 $11 (18... f5 $19 {Stockfish10}) 19. f3 Nxc4 (19...
f5 $17) 20. b3 {Olle-Mecsei, HUN ch univ 2000,0-1}) 13... Qf5 14. c4 Qh5 (14...
O-O $14) 15. f4 $18 {Starostits-Imhof, C Friend email 2004,1-0}) 10... Ne7 11.
c4 (11. Nxd7) 11... Bxe5 (11... O-O 12. Qxd3 Re8 13. Nxd7 Qxd7 14. Rd1 Nc6 15.
Nc3 Ne5 16. Qf1 Qg4 17. h3 Qxc4 18. Qxc4 Nxc4 19. d3 Ne5 $14 {Stockfish10- Whs
extra pawn is doubled}) 12. Rxe5 O-O 13. Qxd3 $16 Re8 (13... Ng6) 14. b3 $18
Nf5 (14... Ng6) 15. Rxe8+ Qxe8 16. Bb2 Qe1+ 17. Qf1 Qe4 18. d3 Qg4 19. Nd2 (19.
Nc3) 19... Re8 20. Re1 Rxe1 21. Qxe1 Nh4 22. Qe4 Qg5 (22... Qd1+ 23. Nf1 Ng6
24. h3 $18 {Stockfish10}) 23. g3 (23. Nf1 h6 24. g3 $18) (23. f4 Qg4 24. Kf2
$18 {both Stockfish10}) 23... Qxd2 24. Qxh4 f6 $11 25. Qe4 (25. Bxf6 gxf6 26.
Qxf6 Bh3 27. Qd8+ {perpetual- Stockfish10}) 25... Kf7 $2 (25... h6 26. Bxf6 Bh3
27. Qe8+ Kh7 28. Qe4+ $11 {Stockfish10}) (25... h5 26. Bd4 h4 27. h3 hxg3 28.
fxg3 Qxa2 $11 {Stockfish10}) (25... Qxb2 26. Qe7 Qe5 27. Qxd7 $18 {Stockfish10}
) 26. Ba3 $18 Bh3 27. Qe7+ Kg6 28. Qe8+ Kg5 29. Qe3+ Qxe3 30. fxe3 $18 Kf5 31.
Kf2 Ke5 32. Kf3 Kf5 33. e4+ Kg5 34. Bc1+ Kg6 35. Bf4 c6 36. dxc6 bxc6 37. d4
Bd7 38. d5 Kf7 39. Bd6 cxd5 40. exd5 g6 41. Ke3 (41. c5) 41... Bf5 42. b4 a6
43. Kd4 Ke8 44. a4 Kd7 45. c5 Bc2 46. b5 axb5 47. axb5 Bd1 48. b6 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.2"]
[White "Williams, A. Howard"]
[Black "Young, Alan"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2268"]
[BlackElo "2024"]
[Annotator "kemen"]
[PlyCount "83"]
[EventDate "2019.??.??"]

{[%evp 0,133,38,22,38,-6,-6,-27,-27,-24,3,3,35,15,38,37,42,42,58,45,45,45,45,
45,60,55,54,49,48,37,46,43,43,43,46,30,34,13,13,15,49,32,37,28,43,43,74,50,51,
52,62,64,64,64,72,72,80,81,80,80,80,80,84,83,91,91,86,72,99,99,104,110,110,101,
97,92,83,76,76,76,77,77,77,77,77,62,62,49,49,62,62,67,75,71,69,67,51,51,51,51,
51,51,62,58,51,20,20,20,20,20,21,20,20,20,20,4,4,4,4,4,3,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ (4... Be7 5. Bg2 O-O 6. O-O
c6 7. Qc2 Nbd7 8. Bf4 Ne4 {Williams-May,WCPL 2017,1/2-1/2}) 5. Bd2 Bd6 (5...
Bxd2+ 6. Nbxd2 O-O 7. Bg2 Nbd7 8. O-O b6 9. cxd5 exd5 10. Qa4 {Williams-May,
WCPL 2018,1-0}) 6. Bg2 c6 7. Nc3 (7. Qc2 {main}) (7. O-O Nbd7 8. b3 O-O 9. Nc3
{Bologan 2012:40}) 7... Nbd7 8. O-O (8. b3) 8... O-O (8... dxc4 {scores 74%
for Bl, who threaten to hold on to the pawn or play for e5} 9. e4 e5) 9. e4 (9.
b3 {back to Bologan,main}) 9... Nxe4 (9... dxe4 10. Ng5 {likely transposes})
10. Nxe4 dxe4 11. Ng5 Nf6 12. Bc3 (12. Nxe4 $16 {Komodo12, though} Nxe4 (12...
Be7 13. Be3 Nxe4 14. Bxe4 Bf6 15. Qd3 h6 16. Rfd1 $16 {Stukan-Tolstikh, Sochi
Doroshkevich Amateur 2017,0-1}) 13. Bxe4 Re8 14. Bc3 $16 {Filip-Istratescu,
Corund Ceramica op 2017, draw agreed}) 12... Be7 (12... b5 13. Nxe4 Nxe4 14.
Bxe4 bxc4 15. Qc2 g6 16. Bxc6 Rb8 17. Rfe1 (17. d5 $16) 17... Bb7 {
Balacek-Kozusek, CZE ch tm rap 2017,1/2-1/2}) (12... Nd5 13. Nxe4 (13. Qh5 h6
14. Nxe4 Nxc3 15. Nxd6 Qxd6 16. bxc3 Qa3 17. Rfc1 Bd7 $14) 13... Nxc3 14. Nxc3
e5 $11 {Komodo12}) 13. Qe2 (13. Qc2 b6 14. Nxe4 Bb7 15. a4 a5 16. Rad1 h6 17.
f4 g6 18. Rfe1 $16 {Usmanov-Solvyov, St Petersburg ch 2013,1-0}) (13. Nxe4 Nxe4
14. Bxe4 $16 {Komodo12}) 13... Qc7 (13... Nd5 14. Nxe4 (14. cxd5 Bxg5 15. dxc6
f5 16. f3 exf3 17. Bxf3 bxc6 18. Bxc6 Rb8 19. d5 Qb6+ 20. Kh1 exd5 21. Bxd5+
Kh8 22. Rad1 $14) 14... Nxc3 15. bxc3 $14 {Komodo12}) 14. Nxe4 Nxe4 15. Qxe4
$16 Re8 16. Rac1 Bd7 17. Rfe1 Bf8 18. b4 Rac8 19. Bd2 Red8 20. c5 {Komodo12}
Be8 (20... e5 $5 $16 {Komodo12}) 21. Bf4 Qd7 22. Red1 Qd5 23. Qe2 Qd7 24. a4 a6
25. h4 f6 26. Rd2 Bf7 27. Re1 Qe8 28. Bh3 Rd7 29. b5 (29. Bxe6 Qxe6 30. Qxe6
Bxe6 31. Rxe6 Rcd8 32. Be3 Kf7 33. Re4 f5 34. Rf4 g6 35. g4 Rd5 $11 {Komodo12})
29... axb5 30. axb5 Rcd8 31. Red1 cxb5 32. Qxb5 Bh5 33. Re1 Bf7 (33... Rxd4 34.
Bxe6+ Kh8 35. Qxe8 Bxe8 36. Rxd4 Rxd4 37. Ra1 Ba4 38. Be3 Rb4 39. Bd5 Bc6 40.
Bxc6 bxc6 41. Ra6 Kg8 42. Rxc6 $16 {Komodo12}) 34. Qb6 (34. Qb2 $16) (34. Be3
Re7 35. Qb3 $16 {Komodo12- but no clear breakthrough for Wh}) 34... Rxd4 35.
Rxd4 Rxd4 36. Bxe6 (36. Be3 Rd7 37. Bg2 Qe7 38. Rb1 Bg6 39. Rb2 e5 40. Bxb7 $16
{Komodo12}) 36... Bxe6 37. Rxe6 Qa8 (37... Qh5 $11) (37... Qd7 38. Re1 Qc6 $11
{both Komodo12}) 38. Re1 $16 Qc8 39. c6 (39. Bd6 $1 $18 Qd7 40. Qb2 Qa4 41. Qe2
Bxd6 42. Qe6+ Kf8 43. cxd6 $18 {Komodo12}) 39... Rb4 40. cxb7 Qxb7 41. Qd8 Rb1
42. Rxb1 $11 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.3"]
[White "Heap, Gerry"]
[Black "Buttell, David"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2095"]
[BlackElo "1793"]
[Annotator "kemen"]
[PlyCount "57"]
[EventDate "2019.??.??"]

{[%evp 0,57,32,-11,20,23,27,9,22,41,30,30,31,23,27,10,35,23,31,15,15,15,15,28,
30,17,21,-30,21,18,21,26,37,32,49,71,117,101,110,44,199,208,197,205,205,205,
205,119,131,228,309,305,489,383,526,703,703,537,806,868]} 1. c4 b6 2. Nf3 Bb7
3. g3 c5 (3... Bxf3 4. exf3 c5 {main, 42 % for Wh} (4... e6 {28% for Wh})) 4.
Bg2 g6 (4... Nf6 5. O-O e6 6. Nc3 Be7 7. d4 {main}) 5. Nc3 Bg7 6. O-O d6 (6...
Nf6 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 {main}) 7. Rb1 (7. d3) (7. d4) 7... e5 (
7... Nf6) 8. d3 (8. b4 Ne7 9. d3 O-O 10. e4 Nbc6 11. a3 {4 draws and a Bl win}
Qd7 12. Bd2 f5 13. Nd5 Nxd5 14. exd5 Nd4 15. bxc5 Nxf3+ 16. Bxf3 {
Najdorf-Packman, Mar del Plata 1962, 1/2-1/2}) 8... Ne7 9. Bg5 f6 10. Bd2 Nbc6
(10... O-O 11. e4 Nbc6 12. Qc1 Rf7 13. Bh6 Bh8 14. Be3 Nd4 15. Bxd4 exd4 16.
Nd5 Nxd5 17. cxd5 Bc8 18. Nd2 f5 19. f4 $11 {Schmeusser-Gelzinnus, Bayeern
Seniors 2005,1-0}) 11. a3 O-O 12. b4 (12. Ne1 Qd7 13. b4 Nd4 14. bxc5 Bxg2 15.
Nxg2 dxc5 16. Nb5 Nxb5 17. Rxb5 Rad8 18. f3 f5 $17 {Valdes Romero-Wang,
Seville op 2003,0-1}) 12... Qd7 13. Qb3 (13. Qa4 $14 {Stockfish10}) 13... Rab8
14. e3 f5 15. Nd5 Nxd5 {gives Wh chances} (15... Nd8 16. Bc3 Ne6 17. Nd2 h6 18.
Rbe1 Rbe8 $11 {Stockfish10}) 16. cxd5 Ne7 (16... Nd8 17. e4 Nf7 18. bxc5 dxc5
19. a4 $11 {Stockfish10}) 17. Ng5 $18 Kh8 18. Ne6 Rfc8 (18... f4 $5) 19. Bc3 (
19. e4 $18) 19... Ba6 20. b5 Bb7 21. f4 {Bl is running out of space} Bf6 22. e4
a6 23. a4 (23. Qb2 Qxb5 24. Qe2 Qd7 25. fxe5 dxe5 26. exf5 Nxd5 27. Bxe5 Re8
28. Bxf6+ Nxf6 29. Qb2 Qf7 30. fxg6 Qxe6 31. Rbe1 Qd6 32. Rxe8+ Rxe8 33. Rxf6
$18 {Stockfish10}) 23... axb5 24. axb5 Ra8 25. Qb2 Ng8 26. exf5 Qe7 27. fxe5
dxe5 28. Bxe5 Ra2 29. Bxf6+ 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.4"]
[White "Bevan, Peter M"]
[Black "Jones, Iolo C"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1907"]
[BlackElo "2205"]
[Annotator "kemen"]
[PlyCount "69"]
[EventDate "2019.??.??"]

{[%evp 0,145,19,-10,-10,-19,-21,-21,-1,-32,17,-19,34,6,10,23,43,42,40,23,40,40,
75,32,19,17,27,25,72,57,61,42,113,103,86,75,60,9,9,-7,73,41,58,12,31,11,1,72,
62,-24,-24,-51,-14,-50,-16,-8,-16,-52,-28,-33,23,-10,103,92,146,65,48,48,62,
-17,26,4,-2,0,14,-49,-46,-50,-53,-95,-128,-140,-75,-83,-89,-226,-225,-202,-256,
-279,-301,-321,-145,-205,-145,-175,-44,-142,0,-57,0,-16,-24,-39,-82,-58,-75,
-159,-171,-158,-181,-187,-207,-200,-211,-290,-319,-389,-69,-93,-86,-86,-87,-87,
-106,-131,-131,-131,-131,-131,-116,-116,-116,-124,-129,-123,-115,-88,-88,-126,
-171,-247,-268,-188,288,300,313,374]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 d4 (
4... Be7 5. O-O O-O 6. b3 (6. d4 {main})) 5. b4 (5. O-O) (5. d3) (5. e3) 5...
c5 6. Bb2 Nc6 7. b5 Ne7 (7... Na5 {alternative}) 8. e3 (8. d3 Ng6 (8... Nf5 9.
Nbd2 Be7 10. O-O O-O 11. Re1 Qd7 12. Nf1 Rd8 13. h3 a6 14. g4 Nd6 15. a4 h5 16.
e3 dxe3 17. Nxe3 hxg4 18. Ne5 Qc7 19. hxg4 {Wenner-Do, Rheinland Pfalz op 2017,
1-0}) 9. Nbd2 Be7 10. O-O {Fellhauer-Klein, Pfalz op 2012,1/2-1/2}) (8. O-O g6
9. e3 Nf5 10. Na3 Bg7 11. Nc2 dxe3 12. fxe3 O-O 13. d3 a6 14. a4 Ra7 15. Qe2 {
Quizielvu-Menaldo, THE CLIMB SEMI ,1997, 1-0}) 8... Nf5 (8... dxe3 9. dxe3
Qxd1+ 10. Kxd1 Ng6 11. h4 h5 12. Ke2 Ng4 13. Rd1 f6 14. a4 Bd7 15. Nfd2 O-O-O {
Ilivitzki-Spassky, URSS final 1955,1/2-1/2}) 9. O-O Be7 10. Na3 (10. exd4 Nxd4
11. d3 (11. Nxd4 cxd4 12. d3 $14) 11... O-O 12. Nbd2 Re8 13. Nxd4 cxd4 14. f4
$16 {Komodo12}) 10... O-O 11. Nc2 Nd6 12. Qe2 (12. d3 dxe3 13. Nxe3 $16 Nf5 14.
Nxf5 exf5 15. Re1 Bd6 16. a4 $18 {Komodo12}) 12... dxe3 13. Nxe3 $16 a6 14. a4
Nd7 (14... Nf5) 15. Ng4 (15. d4 $16 {Komodo12}) 15... axb5 16. axb5 Rxa1 17.
Rxa1 Nb6 18. d3 $16 f6 19. Ne3 e5 20. Nd2 Be6 21. Ne4 Nf5 22. Nxf5 Bxf5 23. Rd1
(23. Ra7 Bc8 24. Bc3 Qc7 25. Ba5 Bd8 26. Ra8 (26. Bxb6 Qxb6 27. Ra8) 26... Qe7
27. Bxb6 Bxb6 28. Nc3 $16 {Komodo12}) 23... Qd7 24. Qe3 $2 (24. Ra1 $14) 24...
Nxc4 $17 25. Qc1 Nxb2 26. Qxb2 Bg4 27. Rd2 (27. Ra1 Qxd3 28. Nc3 Bf3 29. Qa2+
Kh8 30. Bxf3 Qxf3 31. Nd5 Bd6 32. Ne3 f5 $17 {Komodo12}) 27... Ra8 (27... Rd8
$19) (27... Be6 $19) 28. Nc3 Be6 29. Rd1 Ra5 30. Bf1 Bd8 $19 (30... Qd4 $19)
31. Ra1 Qd4 32. Rxa5 Bxa5 33. Nd1 Qb4 34. Bg2 Qe1+ 35. Bf1 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.5"]
[White "Waddington, Mike P"]
[Black "Thomas, Roy"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2074"]
[BlackElo "1719"]
[Annotator "kemen"]
[PlyCount "57"]
[EventDate "2019.??.??"]

{[%evp 0,103,26,14,58,91,22,31,31,23,25,4,22,46,18,18,30,18,37,47,47,19,42,42,
51,49,67,71,88,88,81,13,47,47,59,3,6,-15,-8,8,5,-30,49,49,94,70,83,83,83,92,86,
93,92,33,33,33,44,0,0,0,0,0,0,8,5,3,0,-20,-5,-25,-28,-41,-44,-92,-93,-91,-74,
-74,-27,-120,-142,-148,-71,-54,-42,-97,-4,-21,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0]} 1. Nc3 f5 2. e4 fxe4 3. d3 exd3 {main} (3... Nf6) 4. Bxd3 {From Gambit
Reversed} Nf6 5. g4 (5. Nf3) 5... g6 6. g5 Nh5 7. Nge2 (7. Ne4 {main} d5 8. Ng3
) 7... d5 $6 (7... Nc6 8. Ng3 Nxg3 9. hxg3 Ne5 10. Bf4 Nxd3+ 11. Qxd3 d6 12.
O-O-O Kf7 13. Qd5+ {Huergo-Elissalt Cardenas, Havana 1992,1/2-1/2} (13. Rhe1
$18)) (7... Bg7 8. Ng3 Nxg3 9. hxg3 d6 10. Rxh7 Bxc3+ 11. bxc3 Rxh7 12. Bxg6+
Rf7 13. Bxf7+ Kxf7 14. Qh5+ Ke6 15. g6 $16 {Riihimaki-Stanghelle, FIN-NOR
email 2011,1/2-1/2}) 8. Ng3 (8. Nxd5 Nc6 $11) 8... Ng7 9. Nxd5 $16 c6 10. Nc3 (
10. Nf4 e5 11. Qe2 Qc7 (11... Qe7 12. Bxg6+ Kd8 13. Be4 exf4 14. Bxf4 Bd7 15.
O-O-O $18) 12. h4 $18 {Stockfish10}) 10... Bh3 11. Qe2 (11. Be3) 11... Qc7 12.
Nce4 (12. Nge4 Bg2 13. Rg1 Qxh2 14. Rxg2 Qxg2 15. Nd6+ Kd7 16. Nf7 Qg1+ 17. Kd2
Rg8 18. Qf3 $16 {Stockfish10}) 12... Nd7 (12... Ne6 13. Bd2 Bg7 14. O-O-O Qe5
15. c3 O-O $14 {Stockfish10}) 13. Nf6+ Nxf6 14. gxf6 Ne6 (14... Nh5 15. Nxh5
Qa5+ 16. Bd2 Qxh5 17. Bc3 Qxe2+ 18. Kxe2 exf6 19. Bxf6 Rg8 20. Bc4 Bg7 21. Bxg8
Bxf6 22. Rag1 $18 {Stockfish10}) 15. Bc4 $18 Nd4 16. f7+ Kd8 17. Qd3 Qd7 18. c3
(18. Ne2 $18) 18... Bg2 (18... b5 $11 {Stockfish10}) 19. Qxd4 (19. cxd4) 19...
Qxd4 20. cxd4 Bxh1 21. Nxh1 $18 Bg7 22. Be3 Kd7 23. Ng3 e6 24. Ne4 e5 25. d5 (
25. Nc5+) (25. dxe5 Bxe5 26. O-O-O+) 25... h6 26. O-O-O b6 27. dxc6+ Kxc6 28.
Rd6+ Kc7 29. Rxg6 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.6"]
[White "May, Adam J"]
[Black "May, Frank"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "1906"]
[BlackElo "2069"]
[Annotator "kemen"]
[PlyCount "47"]
[EventDate "2019.??.??"]

{[%evp 0,47,79,-17,-10,-21,-18,-22,0,-2,-7,-14,5,-10,14,21,24,22,36,1,4,3,26,
31,38,29,45,24,45,16,40,58,51,103,126,113,117,108,121,109,187,192,224,187,246,
248,206,220,378,338]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3
(6. d4 {Catalan}) 6... c6 7. Bb2 Nbd7 8. d3 a5 9. a3 b5 10. Nbd2 a4 $146 (10...
Ba6) (10... Bb7 {main lines}) 11. b4 (11. e4 {Komodo12}) 11... bxc4 12. dxc4
Ba6 (12... Bb7) 13. c5 Qc7 14. Re1 e5 15. e4 Nxe4 (15... d4 16. Qxa4 Bb5 17.
Qd1 Ba4 18. Qb1 h6 $14 {Komodo12}) 16. Nxe4 dxe4 17. Rxe4 Bf6 18. Qc2 $16 Rfe8
19. Rae1 Bb5 20. Nd4 $18 Reb8 21. Nf5 (21. Nxb5 Rxb5 22. Rd1 $18 {Komodo12})
21... g6 22. Nd6 Bg7 23. Bc3 (23. f4) 23... Nf6 24. Nxb5 (24. Rxe5) 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.7"]
[White "Morgans, Justin"]
[Black "Byway, Paul V"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1646"]
[BlackElo "2060"]
[Annotator "kemen"]
[PlyCount "98"]
[EventDate "2019.??.??"]

{[%evp 0,98,26,29,46,55,40,40,37,28,30,32,55,6,30,26,26,15,12,8,8,-45,-45,-29,
-21,-103,-32,-10,6,0,-3,-51,-19,-10,-20,-17,21,35,40,11,0,9,14,-18,54,43,43,
-12,-10,-16,-13,-27,-38,-40,-40,-37,-40,-92,-92,-92,-92,-114,-103,-103,-118,
-111,-111,-139,-122,-204,-153,-210,-222,-229,-232,-254,-185,-195,-201,-201,
-195,-286,-308,-306,-260,-357,-371,-388,-390,-474,-516,-516,-584,-627,-706,
-1020,-1131,-1202,-1252,-1238,-1318]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6
5. Nc3 Nc6 6. Bg5 (6. Ndb5) (6. Nxc6 {main lines}) 6... Qa5 (6... Be7) (6...
Bb4) 7. Bxf6 gxf6 8. Nb3 (8. Ndb5) 8... Qe5 9. a3 f5 10. f3 $146 {Stockfish10}
(10. Qe2) 10... fxe4 11. fxe4 d5 12. Bd3 (12. Qf3) 12... d4 13. Ne2 Bg7 14. Qd2
(14. O-O $11) 14... O-O (14... Qf6 $15) 15. O-O-O (15. O-O $11) 15... Qh5 (
15... b5 $15) (15... a5 $15) 16. Kb1 $14 e5 17. h3 (17. Ng3 $16) 17... Qh6 18.
Qxh6 Bxh6 19. g4 Be3 20. Ng3 Be6 21. Nd2 (21. Nc5 $16) 21... Bxd2 22. Rxd2 Ne7
23. Nf5 (23. g5 $14) 23... Ng6 $11 24. h4 Nf4 25. h5 f6 26. Rdh2 Rfd8 27. Rg1
Kf7 28. g5 (28. Rg3 Rd7 $15) 28... Bxf5 $19 29. exf5 fxg5 30. Be4 (30. Rxg5 Kf6
31. Rg1 Rg8 32. Re1 Rg3 33. Be4 Rb8 34. c3 Re8 35. Kc2 dxc3 36. bxc3 Rc8 $19 {
Stockfish10}) 30... Kf6 31. Bxb7 Rab8 32. Be4 h6 $19 33. Rg3 Rb6 34. b4 Nd5 35.
Kb2 Nc3 36. Rxc3 (36. Bd3 a5 $19) 36... dxc3+ 37. Kxc3 Rc8+ 38. Kb3 Rd6 39. c3
Rcd8 40. Bc2 (40. c4 g4 41. Rg2 Kg5 42. c5 Rd2 $19 {Stockfish10}) 40... Rd2 41.
Rh3 Rg2 42. Bd3 g4 43. Re3 Rh2 44. b5 Rh3 45. Rxh3 gxh3 46. Be4 Rd1 47. a4 Re1
48. Bd5 e4 49. a5 h2 (49... h2 50. b6 h1=Q 51. bxa7 Ra1 (51... Rb1+ 52. Kc4 Ke5
53. Kc5 (53. a8=Q Qf1+ 54. Kc5 Qb5#) 53... Qg1+ 54. Kc6 Qxa7 55. c4 Qe7 56. a6
Qd6# {Stockfish10})) 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.8"]
[White "Taylor, Robert Graham"]
[Black "Waterfield, John W"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1809"]
[BlackElo "1935"]
[Annotator "kemen"]
[PlyCount "90"]
[EventDate "2019.??.??"]

{[%evp 0,142,11,30,30,-13,4,5,-5,1,10,8,43,38,62,27,33,33,64,50,40,14,-4,-1,-9,
-12,-8,0,15,17,19,-4,0,8,4,-10,-10,-10,-10,-25,-20,-15,-24,-26,-26,-70,-49,
-126,-126,-38,-74,-96,-21,0,0,-25,57,57,57,36,39,39,42,25,33,-143,-134,-159,
-159,-171,-154,-260,-147,-152,-152,-153,-114,-147,-152,-153,-149,-149,-149,
-149,-149,-149,-176,-181,-184,-199,-210,-210,-210,-210,-149,-203,-176,-171,-86,
-79,17,-9,0,-9,-9,-9,-9,-9,-27,-27,-27,-27,-9,-27,17,-36,0,-27,-27,-27,-16,-27,
-9,-9,14,14,67,93,105,-142,-20,0,104,-290,-472,-472,-472,-472,-472,-472,-464,
-287,-358,-710,-866]} 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 O-O 5. d4 {a
favourite line of Nakamura} Ne4 (5... d6) (5... d5) (5... c5 {main lines}) 6.
Nbd2 f5 (6... d5 {eg} 7. Bd3 f5 8. O-O Nd7 9. c4 e6 10. Ne5 Nxe5 11. dxe5 Nxd2
12. Qxd2 dxc4 13. bxc4 c5 {Spirin-Bychkov, Novokuznetsk Old Stagers op 2015,0-1
}) 7. h4 $146 {Stockfish10} (7. Bd3 d5 {1 Wh win, 4 draws, 5 Bl wins incl
Spirin-Bychov above}) (7. Be2 c5 {1 Wh win, 2 Bl ones}) 7... h5 8. Nxe4 (8. c4)
8... fxe4 9. Ng5 d5 10. Be2 Bf5 11. c4 (11. g4 $16 {Stockfish10}) 11... e6 (
11... c6 $11 {Stockfish10}) 12. Ba3 Re8 (12... Rf6 13. f3 (13. f4 Nd7 14. Kf2
$16 {Stockfish10})) 13. g4 (13. Bxh5 $1 $18 {Stockfish10 & Komodo12} Nd7 (13...
gxh5 14. Qxh5 Nd7 15. g4 Qf6 16. gxf5 Qxf5 17. f3 $18 (17. O-O-O $18)) 14. g4
Nf6 15. gxf5 gxh5 16. Nxe6 Rxe6 17. fxe6 $18 {Stockfish10}) 13... hxg4 14. Bxg4
Bf6 (14... Nd7 $11 {Stockfish10}) 15. Bxf5 (15. Rg1 $18 {also}) 15... exf5 16.
Rg1 (16. h5 $1 $18 Bg7 (16... Bxg5 17. hxg6 Bh6 18. Qh5 (18. Rxh6 Qg5 19. Rh7
Qxg6 20. Rxc7 $18) 18... Qg5 19. Qh2 Na6 20. O-O-O Kg7 21. Rdg1 $18 {
Stockfish10}) 17. Rg1 Nd7 18. cxd5 Nf6 19. hxg6 Qxd5 20. Qc2 Qa5+ 21. b4 Qb5
22. Qxc7 Qd7 23. Qxd7 Nxd7 24. Rc1 $18 {Stockfish10}) (16. Ke2 $18) 16... c6
17. Bb2 (17. Qd2 $16) (17. Ke2 $16) 17... Nd7 $11 18. Nh3 Kf7 19. h5 (19. cxd5
cxd5 20. Nf4 Rg8 21. b4 Nb6 22. Rxg6 Rxg6 23. Qh5 Qg8 24. Ke2 Nc8 25. Rg1 Ne7
26. Nxg6 Nxg6 27. b5 Rc8 28. Kd2 (28. Qxf5 Rc2+ 29. Kd1 Rxb2 30. Qd7+ Kf8 31.
Qc8+ Kf7 32. Qd7+ $11) 28... Qf8 29. Qxg6+ Ke6 30. Rg5 Qb4+ 31. Kd1 Rf8 32.
Qxf5+ Ke7 33. Rh5 Qxb2 34. Qxd5 Qb1+ 35. Ke2 Qd3+ 36. Ke1 Qb1+ $11 {Stockfish10
}) 19... g5 $17 20. h6 g4 21. Nf4 Nf8 22. Qd2 Ng6 $19 23. Nh5 Rh8 (23... Nh4
$19 {Stockfish10}) 24. Qb4 (24. Nxf6 Nh4 25. O-O-O Kxf6 26. Qb4 Qe7 27. Qa4 Nf3
$17 {Stockfish10}) 24... Qe7 25. Qxe7+ Bxe7 26. cxd5 cxd5 27. Rc1 Rxh6 $19 28.
Ng3 Nh4 29. Ke2 Bd6 (29... Nf3 30. Rh1 Rxh1 31. Rxh1 Kg6 $19) 30. Rh1 Rah8 (
30... Kg6 $19) 31. Rc2 (31. Rxh4 Rxh4 32. Nxf5 g3 33. Nxd6+ (33. Nxh4 Rxh4 34.
Rf1 Rh2 35. Bc3 Ke6 36. Be1 Kf5 $19) 33... Ke6 34. Nxe4 Rxe4 35. Rg1 gxf2 36.
Rf1 Rc8 37. Kd2 Rf8 $19 {Stockfish10}) 31... Ke6 32. Nf1 Ng2 (32... Nf3 {
is stronger} 33. Rxh6+ Rxh6 34. Rc8 Ng1+ 35. Ke1 Bb4+ 36. Kd1 Rh1 37. Ng3 Rh2
38. a3 (38. Bc3 Kd7) 38... Be7 39. Re8 Nh3 $19 {Stockfish10}) 33. Rxh6+ Rxh6
34. Rc8 Rh1 (34... f4 $1 $19) 35. Ra8 (35. Bc1 {holds a little longer} f4 36.
exf4 Bxf4 37. Be3 Kf7 38. Rc5 g3 $19 {Stockfish10}) 35... f4 36. exf4 Nxf4+ 37.
Ke3 Rxf1 38. Rxa7 Re1+ (38... Rd1 39. f3 g3 40. fxe4 Rd3# {Stockfish10}) (38...
Nd3 39. Ke2 Rxf2+ 40. Kd1 Bb4 41. Bc1 Rf1+ 42. Ke2 Re1# {Stockfish10}) 39. Kd2
Bb4+ 40. Kc2 Re2+ 41. Kb1 Nd3 42. Ba3 Bxa3 43. Rxa3 Rb2+ 44. Ka1 Rxf2 (44...
Rc2 45. Ra6+ bxa6 46. a4 Rxf2 47. b4 g3 48. b5 g2 49. bxa6 g1=Q# {Stockfish10})
45. Kb1 g3 (45... Rb2+ 46. Ka1 Rc2 47. Ra6+ bxa6 48. a4 g3 {most accurate
according to Stockfish10}) (45... g3 46. Ra8 g2 47. Rg8 e3 (47... Rf1+ 48. Kc2
g1=Q $19 {but the Engine is after the speediest mate}) 48. Rg6+ Kf7 49. Rg3 e2
50. Rf3+ Rxf3 51. Kc2 e1=Q 52. b4 Qf2+ 53. Kb3 (53. Kb1 g1=Q#) 53... Nb2#) 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.9"]
[White "Van Kemenade, Rudy"]
[Black "Fraser, Susanna"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1944"]
[BlackElo "1578"]
[Annotator "kemen"]
[PlyCount "94"]
[EventDate "2019.??.??"]

{[%evp 0,10,20,-32,-32,-24,-25,-56,-61,-58,-63,-43,-48]} 1. f4 d5 2. Nf3 Nf6 3.
g3 Bf5 4. d3 (4. Bg2) 4... e6 (4... h6 5. Bg2 e6 6. O-O Bd6 7. Nc3 O-O 8. Qe1 {
Van Kemenade-Baumbach, EU Seniors ch tm 2017,0-1}) 5. Bg2 Be7 (5... Bc5 6. e3 {
main} O-O 7. O-O c6 8. h3 {Van Kemenade-Fritsch, EU Seniors ch tm, 2012,1-0})
6. O-O h6 7. Qe1 O-O 8. h3 c5 9. Nc3 (9. Ne5 Nc6 10. Nxc6 bxc6 11. c3 Qb6 12.
Kh1 d4 13. Na3 Nd5 14. Nc4 Rab8 15. Nxb6 {Van Kemenade-Robinson, S Wales New
Year 2019,1-0}) 9... Nc6 10. e4 dxe4 (10... Bh7 11. g4 Nd4 12. Rf2 Re8 13. g5
hxg5 14. fxg5 Nd7 15. exd5 exd5 16. Qf1 Nxf3+ 17. Bxf3 Ne5 18. Bxd5 Bxg5 {
Lipok-Kaunzinger, Bayern Ch, Bad Woerishofen 2006,0-1}) 11. dxe4 Bh7 12. e5 Ne8
(12... Nd5 {is simpler; the N lands up here later anyway}) 13. Rf2 (13. Be3 Nb4
14. Rd1 Qc7 15. Qe2 Nxc2 16. Bf2 Nb4 17. a3 Nc6 18. Rd2 $11 {Stockfish10})
13... Qb6 14. Kh2 (14. Ne4) 14... Rd8 15. Ne4 Nc7 16. c3 Nd5 17. Nfd2 Na5 18.
Nf1 {Stockfish10} Rd7 19. g4 (19. Ne3) (19. b3 {Stockfish10; both considered
by Wh}) 19... Re8 20. Nfg3 Nc6 21. Re2 (21. Qe2) 21... c4 22. Bf3 (22. b3 cxb3
23. axb3 Qc7 24. Bd2 $11 {Stockfish10}) 22... Red8 23. Rg2 (23. Nh5 $5 {
Stockfish10}) 23... a6 {a waiting move} (23... g5 {Stockfish10; considered by
Wh}) (23... Qc7 24. Nh5 g5 $17 {Stockfish10}) 24. Qe2 (24. Nh5 $11 {Stocfish10}
) 24... Na5 (24... Bh4 25. Qxc4 Ne3 26. Bxe3 Qxe3 27. Rf1 Kh8 $11 {Stockfish10}
) 25. f5 Qc6 $2 (25... Nc6 26. f6 Bf8 (26... gxf6 27. exf6 Bf8 28. g5 Qc7 29.
gxh6 Nf4 30. Bxf4 Qxf4 31. Kg1 Kh8 32. Nh5 Qxh6 33. Ng5 Bg6 34. Nf4 Bf5 $11 {
Stockfish10}) 27. fxg7 Bxg7 28. g5 Bxe5 29. gxh6 Kh8 30. Kh1 $11) (25... Qc7 {
expected by Wh} 26. fxe6 fxe6 27. g5 hxg5 28. Bg4 Nf4 29. Bxf4 gxf4 30. Bxe6+
Kh8 31. Nf5 f3 32. Qxf3 Qxe5+ 33. Qg3 Qxg3+ 34. Nexg3 Rc7 35. Re1 $14 {
Stockfish10}) 26. f6 $18 gxf6 (26... Bf8 27. fxg7 Bxg7 28. Nf6+ (28. g5) 28...
Bxf6 29. exf6 Qd6) 27. Nxf6+ (27. exf6 Bf8 28. g5 (28. Nh5 Qc7+ 29. Kh1 Kh8 30.
g5 Nc6 (30... hxg5 31. Nxg5 Bg6 32. Qe1 $18 Bxh5 33. Qh4 Nxf6 34. Bxh5)) 28...
Qc7 29. gxh6 Kh8 30. Kg1 Nc6 $11 {Stockfish10}) (27. Kh1 {Stockfish10} fxe5 28.
Bxh6 Nf4 29. Bxf4 exf4 30. Nf6+ $18) 27... Bxf6 28. exf6 Qd6 29. Bxh6 (29. g5
Nf4 $1 30. Bxf4 Qxf4 31. Be4 Rd2 32. Bxh7+ Kxh7 33. g6+ Kg8 34. gxf7+ Kxf7 35.
Qh5+ Kf8 36. Qc5+ Kg8 37. Rf1 Rxg2+ 38. Kxg2 Rd2+ 39. Rf2 Rxf2+ 40. Qxf2 Qxf2+
41. Kxf2 Kf7 42. Ne4 b6 $11) (29. Qd2 Qf8 30. Qxh6 Qxh6 31. Bxh6 Nxf6 32. Bg5
$18 {Stockfish10}) (29. Bxd5 $1 Qxd5 (29... exd5 30. Bxh6 Qxf6 31. Qd2 {
the Bl K side is just too weak, while the N & 2 Rs are offside} (31. Nf5 $18)
31... Nc6 (31... Qd6 32. Bf4 Qg6 33. Re1 $18 (33. Nh5 $18)) 32. Rf1 $18 (32.
Bg5 $18)) 30. Bxh6 Nc6 31. Re1 $18 {Stockfish10}) 29... Nxf6 (29... Nf4 30.
Bxf4 Qxf4 31. Be4 Rd2 32. Bxh7+ Kxh7 33. Qe4+ Qxe4 34. Nxe4 Rxg2+ 35. Kxg2 $18
{Stockfish10}) 30. Bg5 $18 (30. Qe3 {considered} Bg6 {Stockfish10} 31. Qg5 e5
32. Rd1 Qe6 33. Nh5 Ne8 34. Qxd8 Rxd8 35. Rxd8 Bxh5 36. gxh5+ Kh7 37. Bd5 Qe7
38. Bg5 Qf8 39. Be4+ f5 40. Rf2 $18 {Stockfish10}) 30... Kg7 31. Rf1 {an
afterthought, missing the reply, having considered several alernatives} (31.
Kh1 {initial idea} Rg8 {pm analysis} (31... Nc6 32. Re1 Bd3 33. Qf2 Nh7 34.
Nh5+ Kg8 35. Bxd8 Rxd8 36. Qe3 $18 {Stockfish10}) 32. Qe3 (32. Qf2 {
Stockfish10, considered, hence thought bringing an extra pice in play would be
better} Ne8 33. Rd1 Qc7 34. Rxd7 Qxd7 35. Nh5+ Kh8 36. Qh4 Rg6 37. Rd2 $18) (
32. Nh5+ Nxh5 33. gxh5 Kf8 34. Bh6+ Ke7 35. Rxg8 Bxg8 36. Qg2 Qb8 37. Qg5+ f6
38. Qxa5 $18 {Wh had noticed that the N was loose}) 32... Bd3 (32... Ne8 33.
Nh5+ Kh8 (33... Kf8 34. Bf4 Qd3 35. Qc5+) 34. Bf6+ Nxf6 35. Nxf6 Rg6 36. Nxd7
Qxd7 37. Qe5+ Rg7 38. Qxa5 $18) 33. Nh5+ Nxh5 34. gxh5 Kh7 35. Rag1 e5 36. Be7
$18 {Stockfish10}) 31... Bd3 32. Bxf6+ {panic reaction} (32. Qe3 Bxf1 33. Rf2
Bxh3 (33... Nh7 34. Bxd8 Rxd8 35. Rxf1 Qd2+ 36. Qf2 Qxf2+ 37. Rxf2 Nc6 38. Nh5+
(38. Bxc6 bxc6 39. Nh5+ $16) 38... Kf8 39. Kg3 $16 {the h pawn is better than
the e pawn}) 34. Bh6+ Kh7 (34... Kh8 35. Qg5 Ne8 36. Kxh3 $18) 35. Kxh3 Rg8 36.
Be4+ Nxe4 37. Nxe4 Qe5 38. Nf6+ Qxf6 39. Rxf6 Rd3 40. Rxf7+ Kg6 41. Re7 Rxe3+
42. Bxe3 Kf6 43. Rd7 $16 {Stockfish10}) (32. Qf2 Bxf1 33. Qxf1 Qc7 (33... Qe5
34. Qc1 Nc6 35. Re2 Rd1 36. Rxe5 Rxc1 37. Bxc6 Rc2+ 38. Bg2 Rd1 39. Re2 Rxe2
40. Nxe2 Rb1 41. Bc1 Nd7 (41... b5 42. Bc6 $18) 42. g5 Nc5 43. h4 Nd3 44. Be4
Ra1 45. Be3 Rxa2 46. Kg3 $18 (46. Nf4 $18 Rxb2+ 47. Kg3 Nxf4 48. Bxf4 Rb5 (
48... a5 49. Be5+ $18 {the h pawn goes through}) 49. h5 f5 (49... a5 50. h6+
Kg8 51. Kg4 e5 52. Bc1 Rb6 53. Ba3 Re6 54. Bxb7 $18) 50. gxf6+ Kxf6 51. Kg4 $18
{Stockfish10})) 34. Rf2 Nd5 35. Bxd8 Rxd8 (35... Qxd8 36. Bxd5 exd5 (36... Rxd5
37. Rxf7+) 37. Rf6 Nc6 38. Qf4 $18) 36. Be4 Kf8 37. Bg6 (37. g5 $18) 37... Rd7
38. Qc1 Kg7 39. Be4 Qe5 40. h4 Nc6 41. Kh3 $18 {Stockfish10}) 32... Kxf6 33.
Be4+ Kg7 $11 34. Bxd3 cxd3 35. Qe3 (35. Qf3 Nc4 36. Qf6+ Kg8 37. b3 Qe5 38.
Qxe5 Nxe5 39. Ne4 Kg7 40. Rd2 $11 {Stockfish10}) 35... Nc4 36. Qg5+ Kf8 37.
Qh6+ (37. b3 d2 38. Rd1 Nb2 39. Rgxd2 Qxd2+ 40. Rxd2 Rxd2+ 41. Kh1 Rd1+ 42. Kg2
R1d2+ 43. Kf3 R8d3+ 44. Ke4 Nd1 45. Qc5+ Kg8 46. Qg5+ Kf8 $11 {Stockfish10})
37... Ke8 38. Qh8+ $2 {Wh worked out a forced mate, then saw after playing the
move the obvious response} (38. b3 d2 39. Rd1 Nb2 40. Rgxd2 Qxd2+ 41. Rxd2
Rxd2+ {as above}) (38. Rd1 Rc7 (38... d2 39. Re2 Nxb2 40. Rdxd2 $18 Qxd2 $2 41.
Qh8+ Ke7 42. Nf5#) (38... Qe5 39. Rf2 Ne3 (39... d2 40. Re2 Qc7 41. Qh8+ Ke7
42. Qh4+ Ke8 $11) 40. Rdd2 Nc4 41. Rd1 Ne3 42. Rdd2 $11) 39. Rf2 Ne5 40. Re1 d2
41. Rd1 Rc4 42. Qh8+ Kd7 43. Qf6 Kc8 44. Rfxd2 Qxd2+ 45. Rxd2 Rxd2+ 46. Kg1 Rd5
$11 {Stockfish10}) 38... Qf8 $19 (38... Ke7 $2 39. Rxf7+ Kxf7 40. Rf2+ Ke7 (
40... Qf4 {Stockfish1o delays things} 41. Rxf4+ Ke7 42. Qf6+ Kd6 43. Rxc4 Rh7
44. Qxd8+ Rd7 45. Ne4+ Kd5 46. Qxd7+ Kxc4 47. b3#) 41. Qf6+ Ke8 42. Qg6+ Ke7
43. Qf7# (43. Rf7+ Ke8 44. Qg8+ Qf8 45. Qxf8# {actually seen})) 39. Qf6 {
now the Q is on a worse square than before} Ne3 (39... d2 {is even stronger}
40. Qf4 Nxb2 (40... d1=Q 41. Rxd1 Rxd1 42. Qxc4 Qd6 $19) 41. Ne4 d1=Q 42. Rxb2
Qd3 $19 (42... Qxf1 43. Qxf1 f5 $19 {Stockfish10})) 40. Rff2 (40. Rd2 Nxf1+ 41.
Nxf1 Rd5 42. Ne3 Qd6+ 43. Kg2 Ra5 44. b3 Rc5 45. Nc4 Qd5+ 46. Kf2 Qe4 $19 {
though Wh survives longer}) 40... Nxg2 41. Nh5 d2 (41... Rd5 $1 $19 {
Stockfish10}) (41... Re7 42. Ng7+ Kd7 43. Kxg2 Kc8 $19) 42. Ng7+ Qxg7 43. Qxg7
d1=Q 44. Qg8+ Ke7 45. Rxf7+ (45. Qg5+ Kd6 46. Rd2+ Qxd2 47. Qxd2+ Kc7 48. Qf2
Kb8 $19 {Stockfish10}) 45... Kd6 46. Rxd7+ Rxd7 47. Qb8+ Ke7 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.10"]
[White "Jones, Dewi"]
[Black "Pinch, David"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1504"]
[BlackElo "1634"]
[Annotator "kemen"]
[PlyCount "54"]
[EventDate "2019.??.??"]

{[%evp 0,54,5,39,18,25,25,27,25,31,-13,-13,-13,10,-1,-6,43,46,74,30,92,78,78,
67,89,61,115,67,85,68,78,-209,-232,-232,-202,-266,-296,-377,-376,-376,-389,
-399,-393,-514,-505,-505,-356,-451,-451,-631,-632,-632,-644,-644,-667,-667,
-646]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2
(7. Nc3 Nxe4 8. O-O Bxc3 9. d5 {Moeller Gambit}) 7... Bxd2+ 8. Nbxd2 O-O (8...
d5 {main line- breaking up the Wh pawn centre}) 9. e5 (9. O-O) (9. d5 Ne7) 9...
Ng4 (9... Ne8 {looks safer}) 10. h3 Nh6 11. O-O $16 d6 12. Re1 (12. exd6 Qxd6
13. Ne4 Qd8 14. a3 Re8 15. Neg5 Be6 16. Bd3 g6 17. Qd2 (17. Nxe6 Rxe6 18. Bc4
$16) 17... Nf5 18. Bxf5 Bxf5 $11 {Sezbekova-Stankulov, Bishkek Altyn Turun op
2017,1-0}) 12... Re8 (12... Nf5 13. Nb3 Re8 14. Qc2 (14. e6 fxe6 15. d5 $16 {
Stockfish10}) 14... a5 15. Rad1 Bd7 16. a3 (16. e6 $16) 16... Nh4 17. Nbd2 Bf5
18. Qb3 $18 Nxf3+ 19. Nxf3 Qd7 20. Ng5 {Schwab-Gelbenegger, AUT ch U14, Linz
2013,1-0}) 13. Qc2 $16 (13. exd6 Rxe1+ 14. Qxe1 Qxd6 15. Ne4 $18 (15. Qe8+ $18)
(15. d5 $18) 15... Qg6 16. d5 (16. Nh4 {wins the Q} Qh5 17. Ng3) 16... Bxh3 17.
g3 (17. Nh4 $18) 17... Re8 (17... Qh5 $11) 18. Nf6+ $18 {Kurekci-Unlu, World
School ch U07,Kayseri 2010,1-0}) 13... Bf5 14. Qc1 (14. Qc3 $16 {Stockfish10})
14... Qd7 (14... Nb4 15. exd6 Rxe1+ 16. Nxe1 Qxd6 17. Qc3 Rd8 18. Rd1 Nd5 19.
Qb3 Qc6 $11 {Stockfish10}) 15. Ne4 $2 (15. Bb5 $16) (15. Qc3 $16) 15... Bxe4
16. Rxe4 d5 $19 17. Rh4 dxc4 18. Rxh6 gxh6 19. Qxh6 Re6 20. Qh4 Rg6 21. Ng5 h6
22. Ne4 Qf5 (22... Qxd4) 23. Nf6+ Kh8 24. g4 Nxd4 (24... Qf4) 25. Qxh6+ Rxh6
26. gxf5 Nf3+ 27. Kg2 Nxe5 0-1

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.11"]
[White "Haigh, Tony"]
[Black "Cooke, Mark"]
[Result "1/2-1/2"]
[ECO "A50"]
[WhiteElo "1793"]
[BlackElo "1368"]
[Annotator "kemen"]
[PlyCount "49"]
[EventDate "2019.??.??"]

{[%evp 0,49,23,30,56,32,40,46,65,52,68,57,60,43,40,32,34,39,32,19,56,-23,-24,
-27,-43,-56,-16,-15,-24,-94,-40,-68,-77,-74,-48,-59,2,-22,45,6,16,-4,6,-3,2,-9,
-13,-17,-14,-14,-6,-15]} 1. d4 c6 2. c4 Nf6 3. Nc3 g6 4. Bf4 Bg7 5. Nf3 d6 6.
e3 Bg4 (6... O-O {main}) 7. h3 (7. Be2 {main}) 7... Bxf3 (7... Bc8 8. Qb3 e6 9.
c5 d5 10. Bd3 Nh5 11. Bh2 Nd7 12. g4 Nhf6 13. Qc2 Ng8 14. Ne2 Bh6 15. h4 Qa5+
16. Kf1 Qd8 17. g5 Bg7 18. h5 {Calvo Sanchez-Gomez Velasco, Valladollid CC
Regalado 1989, 1-0}) 8. Qxf3 Nbd7 9. Bd3 (9. O-O-O) (9. Rd1) 9... Nh5 (9... e5
10. dxe5 Nxe5 $14 {Stockfish10}) (9... Ne5 10. dxe5 dxe5 11. O-O-O exf4 12.
Bxg6 Qa5 13. Bc2 fxe3 14. Qxe3 Nd7 15. Na4 e6 16. Kb1 O-O-O $11 {Stockfish10})
10. O-O (10. Bh2 O-O 11. O-O-O $16 {Stockfish10}) 10... Nxf4 11. Qxf4 e5 12.
dxe5 (12. Qg3 Qb6 13. Ne2 O-O-O $11 {Stockfish10}) 12... dxe5 $15 13. Qf3 O-O
14. Rac1 Nc5 (14... f5) 15. Bb1 f5 $15 16. e4 (16. b4 e4 17. Qd1 Qxd1 18. Rfxd1
Ne6 19. Ne2 Rfd8 $15 {Stockfish10}) 16... fxe4 (16... f4 $17 {Stockfish10}) 17.
Qe2 Nd3 (17... Ne6 $11) 18. Rcd1 Qg5 19. Nxe4 (19. Bxd3 exd3 20. Rxd3 Rad8 21.
Ne4 $14 {the N has a superb blockading square & the B is kept out of the game})
19... Nf4 20. Nxg5 (20. Qf3 Qe7 21. Qe3 Ne6 22. c5 Nd4 23. Bd3 b5 $14 {
Stockfish10}) 20... Nxe2+ 21. Kh1 Nd4 22. Ne4 b6 23. Nc3 Rae8 24. Be4 Rf6 25.
Kg1 $11 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.12"]
[White "Chong, Kimberly"]
[Black "Andrews, Norman G"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1720"]
[BlackElo "1605"]
[Annotator "kemen"]
[PlyCount "67"]
[EventDate "2019.??.??"]

{[%evp 0,103,18,40,48,34,34,11,103,62,43,47,47,39,92,76,82,27,86,29,14,1,33,
-11,-6,3,62,75,60,47,42,41,108,72,88,45,65,65,194,203,174,191,203,153,223,496,
537,537,610,610,927,940,831,963,963,963,29987,1039,1039,333,333,443,443,138,
141,28,93,49,210,-15,71,-65,0,-168,-62,-170,44,27,-5,-17,-17,-17,0,-71,0,-3,41,
-2,133,0,16,0,48,46,144,14,14,0,0,11,25,0,11,11,20,11]} 1. e4 c5 2. c3 g6 3.
Nf3 Nc6 4. Bc4 (4. d4) 4... Bg7 5. d4 (5. O-O) 5... cxd4 6. cxd4 e6 (6... d6)
7. Nc3 Nge7 8. Bg5 (8. O-O) 8... Qb6 (8... O-O {main. 1-3}) 9. Nb5 (9. O-O $16
{Stockfish10} Nxd4 10. Nxd4 Qxd4 (10... Bxd4 11. Na4 Qd6 12. Bf6 $18) 11. Nb5
Qxd1 12. Raxd1 Be5 13. Nd6+ Bxd6 14. Rxd6 f5 15. e5 $16) (9. e5 O-O (9... Nf5
$11) 10. Qd2 Nf5 11. Ne2 d5 12. Bb3 Re8 (12... h6 13. Bf6 Bxf6 14. exf6 Qb4 15.
Qxb4 Nxb4 $11 {Stockfish10}) 13. g4 $18 Nfe7 14. h4 Qb4 15. Nc3 Na5 16. Kf1 {
Raedisch-Bahr, Hamburg Seniors Open 2005,1/2-1/2}) 9... O-O $11 (9... d5 $15
10. exd5 exd5 11. Be2 (11. Nd6+ Kf8 12. Nxc8 Qb4+ 13. Qd2 Rxc8 14. Qxb4 Nxb4
15. Bb3 f6 (15... Nc2+ 16. Bxc2 Rxc2 17. b3 Ke8 18. Rc1 Rxc1+ 19. Bxc1 Kd7 $15)
) 11... O-O $15 {Stockfish10}) 10. Bf4 Qa5+ 11. Bd2 Qb6 12. Bf4 Qa5+ $11 13.
Qd2 Qxd2+ 14. Kxd2 a6 (14... d5 15. exd5 exd5 16. Bb3 {Stockfish10- the Wh K
is vulnerable in the centre Stockfish10} Bg4 $17) 15. Nc7 Ra7 (15... f5 16.
exf5 (16. Nxa8 fxe4 17. g3 d5 18. Ne5 dxc4 19. Nxc6 Nxc6 20. Be3 b5 21. Nb6
Nxd4 $11 {Stockfish10- Bl has 2 pawns for the exchange}) 16... Rxf5 17. Be3 Rb8
$11) 16. d5 (16. Bd6 $14) 16... e5 (16... b5 17. Bd3 (17. Bb3 d6 18. Nxb5 (18.
Bxd6 Rd8 {is dangerous with the K on the d file}) 18... axb5 19. dxc6 Nxc6 20.
Rad1 Bb7 21. Bxd6 Rc8 22. Ke3 Bxb2 $15 {Stockfish10}) 17... e5 18. Be3 Rxc7 19.
d6 Rb7 20. dxe7 Nxe7 21. Bc5 Re8 22. Bd6 Bh6+ $17) 17. Bg5 (17. Be3 $18) 17...
h6 (17... b5 $11 {Stockfish10}) 18. Be3 $18 Nd4 19. d6 (19. Nxd4 exd4 20. Bf4
g5 21. Bd6 Ng6 22. Bxf8 Kxf8 23. d6 $18 {Stockfish10}) 19... Nec6 20. Nxd4 (20.
Rhe1 a5 21. Bxd4 exd4 22. Nd5 $18 {the Bl pieces are hemmed in}) 20... exd4 21.
Bf4 b5 22. Bb3 (22. Bd5) (22. Bd3) 22... Ne5 23. Rac1 Kh7 24. Nd5 (24. Rc5 $18)
24... Nc6 25. Rhe1 $18 (25. Ne7) 25... Na5 26. Rc7 Rxc7 (26... Ra8 $5) 27. dxc7
Re8 28. Nb6 (28. Bd6 {also} Nb7 29. e5 Nxd6 30. exd6 Rxe1 31. Kxe1 Be5 32. Ne7
Bxd6 33. Nxc8 Bxc7 34. Bxf7 $18 {Stockfish10}) 28... f5 29. Nxc8 (29. Bf7 Rf8
30. Nxc8 Rxc8 31. exf5 gxf5 32. Re7 {Stockfish10}) 29... Rxc8 30. exf5 g5 31.
Bg3 (31. Re7 gxf4 32. Rxd7 Nxb3+ 33. axb3 {and Bl has nothing better than} Rxc7
(33... Kg8 34. Rd8+) (33... f3 34. g3 d3 35. f6) 34. Rxc7 $18) 31... Bf6 32.
Bf7 (32. Kd3) 32... Nc4+ 33. Kc2 (33. Bxc4 bxc4 34. b3 cxb3 35. axb3 Kg8 36.
Kd3 Kf7 37. Ra1 Be7 38. Rxa6 Bc5 39. Rxh6 {slow torture}) 33... Nb6 34. Re8 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.13"]
[White "Watkins, Peter"]
[Black "Greatorex, Roger"]
[Result "1/2-1/2"]
[ECO "C40"]
[WhiteElo "1581"]
[BlackElo "1713"]
[Annotator "kemen"]
[PlyCount "27"]
[EventDate "2019.??.??"]

{[%evp 0,27,44,34,18,25,98,66,146,118,118,106,106,64,61,61,106,114,160,173,203,
191,230,222,153,50,139,175,175,175]} 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5.
Nc4 fxe4 6. Ne3 (6. Nc3 Qg6 {main}) 6... c6 (6... Nc6) 7. Be2 (7. Bc4) (7. c4)
7... Ne7 (7... d5 {main}) 8. O-O $18 (8. d5 $18 {Stockfish10}) 8... Ng6 9. Nc3
(9. f3 exf3 10. Bxf3 Qd8 11. Bh5 $18 {Bl has got way behind in development})
9... d5 10. f3 exf3 11. Bxf3 Qd6 12. Ng4 (12. Bg4 $1 Kd8 (12... Bxg4 13. Qxg4
Qd7 14. Nf5 Kd8 15. Qg3 Qc7 16. Bg5+ Kc8 17. Qh3 Nd7 18. Rae1 b5 19. Nh4 Nxh4
20. Bxh4 Bd6 21. Rf7 a5 22. Re6 Ra7 23. Ne2 Rg8 24. Be7 Bxe7 25. Rexe7 $18 {
Stockfish10 or something like this- Wh has too many pieces to work with while
the Bl Rs are nowhere}) 13. Nf5 Bxf5 14. Bxf5 Be7 15. Bd2 Re8 16. Qg4 Bf6 17.
Kh1 Nd7 18. Rae1 {its just a matter of piling up every Wh piece into the area
of the Bl K & sooner or later something will give}) (12. Bxd5 {Stockfish10-if
Wh wants to force a quick entry, then the centre needs to be destoyed. There
is little risk as only 2 Bl pieces are in play} cxd5 (12... Kd8 13. Nc4 Qd7 14.
Bg5+ Be7 15. Bxe7+ Qxe7 16. Rf7 Qg5 17. Be4 Nd7 18. d5 $18) 13. Nb5 (13. Nexd5
Na6 14. Qe2+ Be6 15. Bf4 Qc6 16. Rae1 Kd7 17. Bg3 Re8 18. Ne3 Nc7 19. d5 $18)
13... Qc6 14. Nxd5 Na6 15. Re1+ Kf7 16. Qf3+ Kg8 17. Qb3 Be6 18. Rxe6 Qxe6 19.
Bd2 {eg} Rd8 (19... Nc5 {Stockfish10} 20. Qc4 (20. dxc5 Bxc5+ 21. Kh1 Qf7 $11)
20... a6 21. Nbc7 b5 22. Qc3 Qg4 23. Nxa8 Ne6 24. Qb3 $18) 20. Ne7+ Kf7 21.
Nxg6 Qxb3 22. Nxh8+ Kg8 23. axb3 Kxh8 24. c4 $18) 12... Bxg4 (12... Be7 13. Be2
Rf8 14. Bd2 Be6 15. Rxf8+ Kxf8 16. Bd3 Kg8 $14 {Stockfish10}) 13. Bxg4 Nd7 14.
Qe2+ (14. Re1+ $1 Be7 15. Re6 Qc7 16. Qe2 $18 Nf6 (16... O-O 17. Rxg6 hxg6 18.
Qxe7 $18) 17. Bf5 Rf8 18. Bg5 Rf7 19. Re1 Kf8 20. Qe3 Qd8 (20... Re8 21. Bxf6
gxf6 22. Bxg6 hxg6 23. Qh6+ Rg7 24. Ne2 Kf7 25. Nf4 Qd7 26. c3 Reg8 (26... a5
27. h4 {and Bl is running out of moves}) 27. Rxe7+ Qxe7 28. Rxe7+ Kxe7 29. Qh3
f5 30. Qe3+ Kd7 31. Qe6+ Kd8 32. Qe5 Kc8 33. Kf2 $18 {Stockfish10the Q & N are
far more mobile than the 2 Rs}) 21. h4 $18) (14. Qe2+ Be7 15. Bg5 O-O-O 16.
Bxe7 Nxe7 17. Rf7 Ng6 18. Raf1 Kb8 19. Rxg7 Nf6 20. Rf7 Nxg4 21. Qxg4 Ka8 22.
Na4 Qb4 23. b3 Ne5 24. c3 Qxa4 25. Qe2 Nf3+ 26. R1xf3 Qa5 27. a4 Qb6 28. b4 $18
{Stockfish10-Wh is a pawn up- controls the board- and prepares to open up the
Bl K position}) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.14"]
[White "Philpin, Les"]
[Black "Orton, Paul"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1702"]
[BlackElo "1596"]
[Annotator "kemen"]
[PlyCount "49"]
[EventDate "2019.??.??"]

{[%evp 0,49,44,18,21,28,39,39,39,34,46,40,47,46,43,22,35,6,6,-39,-62,-104,-86,
-110,-80,-81,-76,-63,-54,-50,-41,-61,-8,-57,-18,-77,-45,-57,-17,-10,-8,-8,193,
133,573,558,637,643,1716,29988,29991,29992]} 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4.
e3 d6 5. Nbd2 Nbd7 6. c3 c5 7. Qb3 (7. Be2) (7. Bd3) (7. h3 {main lines}) 7...
b6 (7... O-O {main}) 8. Ng5 {this should prove a waste of time as the N will
sooner or later be forced to retreat while Bl gains time} (8. Be2 O-O 9. h3 Bb7
10. O-O {transposes back to 127 games in database}) 8... O-O $15 9. Be2 Bb7 10.
Rg1 {hopeful, however Wh should settle for a retreat} (10. O-O h6 11. Ngf3 Nh5
12. Bg3 Nxg3 13. hxg3 Nf6) 10... h6 $19 (10... cxd4 $19 11. cxd4 e5 {with the
Wh K still in the centre & Wh angling for a kingside attack, Bl should up up
the centre & leave the g5 N dangling} 12. Bg3 (12. dxe5 dxe5 13. Bg3 Nc5 {
is worse} 14. Qa3 Qe7 15. Kf1 (15. h4 h6 16. Ngf3 Nd5 $19) 15... a5 16. Rc1
Rac8 17. Ngf3 Nd5 $19 {Stockfish10- allsorts of sacrifices begin to threaten})
12... Nh5 13. Ngf3 exd4 14. exd4 Re8 15. Kf1 (15. Bxd6 Ba6 16. Nc4 Rxe2+ 17.
Kxe2 Qf6 18. Kd1 Bxc4 19. Qxc4 Qxd6 $19 {Stockfish10})) 11. Nh3 (11. Ngf3 Rc8
12. O-O-O (12. Rd1 cxd4 13. cxd4 Qc7 14. h3 e5 15. Bh2 Rfe8 $19) 12... a6 13.
Kb1 b5 $19 {Stockfish10- the K is just as unsafe on the Q side as in the
centre ( the Bl pieces have free play while a whole battalion of Wh pieces are
bottled up on the K side}) 11... e5 (11... cxd4 12. exd4 e5 $19 {opens up more
lines}) 12. dxe5 dxe5 (12... Nxe5 13. O-O-O $17) 13. Bg3 Qe7 (13... a6 14.
O-O-O b5 $19 {Stockfish10}) 14. O-O-O Rfd8 (14... a6 $19) (14... Rab8 $19) (
14... Bc6 15. Bb5 Bxb5 16. Qxb5 a6 17. Qe2 b5 18. Kb1 c4 19. f3 Nc5 20. e4 Rfc8
$19 {all lines from Stockfish10}) 15. f3 Rac8 (15... a6 $17) 16. Bf2 (16. e4
$17 {Wh is getting his K side pieces back towards the centre}) 16... Nb8 {
too slow & the obvious target square on d4 is covered anyway. Bl needs to find
a better square ( & c5 beckons with a tempo on the Q)} (16... c4 $1 17. Nxc4 e4
18. Kb1 Nd5 $19 19. Nf4 Nc5 20. Qc2 b5 {Stockfish10,- the storm is coming}) 17.
g4 (17. e4 Nc6 18. Nc4 Ne8 19. Rxd8 Rxd8 20. Rd1 $15 {the exchanges have eased
Wh's position}) 17... Bd5 (17... e4 18. f4 Nc6 19. Nc4 Nb4 $5 (19... Nd5) (
19... Ba6) 20. g5 hxg5 21. cxb4 b5 22. Kb1 Bd5 23. Rxd5 Nxd5 24. Nxg5 Qxg5 (
24... cxb4 25. Ne5 Bxe5 26. fxe5 Qxe5 27. h4 a5 $19 {Stockfish10})) 18. Bc4 (
18. c4 Be6 19. Bh4 g5 20. Be1 Nc6 21. Nf2 e4 22. Ndxe4 Nxe4 23. Nxe4 Rxd1+ 24.
Qxd1 Rd8 25. Qa4 Bd7 26. Qc2 f5 27. gxf5 Bxf5 {and Bl retains a slight pull
with more active pieces}) 18... Bxc4 (18... Nc6 {bring the N back into play}
19. e4 Na5 20. Qa4 Bc6 21. Bb5 Bxb5 22. Qxb5 c4 $15 {Stockfish10}) 19. Qxc4 (
19. Nxc4 $11) 19... Rd7 (19... a6 20. g5 hxg5 21. Nxg5 b5 22. Qe2 c4 23. Bh4
Nd5 24. Nde4 Rd7 $15 {Stockfish10}) (19... Nd5 20. e4 Nc7 21. Kb1 Ne6 $15 {
Stockfish10- but now Bl is fighting for the extra space rather than having it
there for the taking earlier}) (19... Nc6 20. g5 hxg5 21. Nxg5 e4 22. f4 Nd4 $5
23. a4 $11 {Stockfish10}) 20. g5 Nh7 $2 (20... Nd5 {looks like a last attempt
before Wh can develop something on the K side} 21. e4 b5 22. Qxb5 Nxc3 (22...
Rb7 23. Qf1 Nb6 $11 (23... Nxc3 24. bxc3 c4 25. Nb1 Nc6 26. Qxc4 Qe8 27. Rg2
Na5 $17)) 23. bxc3 Qe6 24. Bg3 Qxh3 25. Nc4 Qe6 26. h4 hxg5 27. hxg5 Nc6 $15 {
Stockfish10}) (20... hxg5 21. Nxg5 Nc6 $11) 21. gxh6 $18 Bxh6 (21... b5 22.
Qxb5 Bxh6 23. Qc4 Kg7 24. Bh4 $18) 22. Rxg6+ Bg7 23. Rdg1 Rcd8 24. Rxg7+ Kh8
25. Qg4 {and the g file triumphs} 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.15"]
[White "Miller, John S"]
[Black "Van Kemenade, Julie"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1686"]
[BlackElo "1704"]
[Annotator "kemen"]
[PlyCount "88"]
[EventDate "2019.??.??"]

{[%evp 0,25,19,31,62,31,51,23,64,62,53,49,33,20,22,-7,0,-8,-8,-1,2,-7,-29,-13,
-25,-27,-6,-6]} 1. d4 d6 2. Bf4 (2. Nf3 f5 3. Bf4 Nf6 4. e3 g6 5. Nbd2 Bg7 6.
c3 O-O 7. h3 Nc6 {Miller-R Van Kemenade, Dyfed Open 2017,0-1}) 2... Nf6 3. e3 (
3. Nf3 g6 4. e3 Bg7 5. Nbd2 O-O 6. c3 Bf5 7. Be2 Qc8 {Miller-Dewi Jones, Dyfed
Open 2018,1/2-1/2}) 3... Nbd7 4. Nf3 g6 5. Nbd2 Bg7 6. c3 O-O 7. Be2 (7. Bc4 {
a bit more frequent}) 7... b6 8. h3 Bb7 9. O-O Qe8 10. Bb5 (10. Bh2 {main})
10... a6 11. Ba4 b5 12. Bc2 e5 13. dxe5 (13. Bg5 h6 14. Bh4 g5 15. Bg3 Nh5 16.
Bh2 f5 17. g4 e4 18. Nh4 gxh4 19. gxh5 Nf6 20. Kh1 Nxh5 {Vajda-Janoska, HUN ch
tm 2004,0-1}) 13... dxe5 14. Bh2 Rd8 (14... e4 15. Nd4 c5 16. N4b3 Qe6 {
Stockfish10} (16... Qe7)) (14... Qe7 15. e4 Rfd8 {Komodo12}) 15. Qe2 Qe7 16. e4
Nh5 17. Rfe1 Nf4 18. Qe3 g5 (18... Nc5 19. Bxf4 exf4 20. Qxf4 Ne6 21. Qe3 Qc5
22. Qxc5 Nxc5 $14 {Stockfish10}) (18... Bh6 19. Qa7 Rb8 20. Rad1 Nb6 $11 {
Komodo12}) 19. Rad1 (19. Qa7 {Komodo12}) (19. Nf1 {Stockfish10}) 19... Nc5 (
19... Nb6 {both Engines}) 20. Nb3 Nxb3 21. Bxb3 Bc8 (21... c5 {Stockfish10 &
Komodo12}) 22. Kh1 (22. Bxf4 exf4 {both Engines}) 22... Qf6 23. Bg3 Qh6 24. Kg1
(24. Rxd8 Rxd8 25. Qa7 (25. Qc5 Bxh3 $2 (25... Qd6 26. Qxd6 Rxd6 27. Nxg5 $16)
26. Bxf4 exf4 27. gxh3 Qxh3+ 28. Nh2 $18) 25... Bxh3 26. Bxf4 exf4 27. Qxc7
Be6+ 28. Kg1 Rf8 29. Nd4 Bxb3 30. axb3 Bxd4 31. cxd4 g4 32. d5 $14 {Komodo12})
24... Rde8 (24... Rxd1 25. Rxd1 g4 26. hxg4 Bxg4 $11 {Stockfish10}) 25. Kf1 (
25. Qc5 g4 26. hxg4 Bxg4 27. Bxf4 exf4 28. Qxc7 Bxf3 29. gxf3 Kh8 30. Qd7 Re5 (
30... Be5 31. Kf1 $16) 31. Kg2 $16) 25... Bxh3 $17 26. Bxf4 exf4 27. Qc5 Bg4
28. Rd5 Bxf3 (28... Qh1+ 29. Ng1 f3 30. gxf3 Bxf3 31. Rxg5 Bxe4 32. Re3 Bg6 33.
Qd5 (33. Rgg3 Rxe3 34. Rxe3 c6 $17) 33... Qxd5 34. Rxd5 Rxe3 35. fxe3 Bh6 36.
Re5 Kg7 $17 {Stockfish10}) 29. gxf3 Qh3+ 30. Ke2 g4 31. Kd2 Qxf3 $15 32. Rg5 (
32. Bd1 Qh3 33. Rg1 g3 34. fxg3 Qh2+ 35. Kc1 fxg3 36. Rg5 Kh8 37. R5xg3 Be5 38.
R3g2 Qf4+ 39. Kb1 Rg8 $15 {Stockfish10}) 32... Rd8+ (32... h6 $19 {Stockfish10}
33. Rf5 (33. Rxg7+ Kxg7 34. Qd4+ Kg8) 33... b4 34. cxb4 (34. Bd1 Rd8+ 35. Kc1
Rxd1+ 36. Rxd1 bxc3 37. bxc3 Bxc3 $19) 34... Rd8+ 35. Kc1 Bd4 36. Qc2 Bxf2 $19
{Stockfish10}) 33. Kc1 h6 {only move for Bl, others lose} (33... Rd6 34. e5 Rg6
35. Rxg6 hxg6 36. Bd5 Qh3 37. Rh1 Qd3 38. e6 $18 {Stockfish10}) 34. Rxg7+ {
only move for Wh, others lose} Kxg7 35. Qe5+ Kg8 36. Qf5 (36. Rg1 Rd6 37. Qh5
Kh8 38. Qe5+ Kg8 39. Qh5 $11) 36... Rd6 37. e5 (37. Rg1 $11) 37... Qd3 (37...
Qxf2 $1 $19 38. Qxg4+ (38. exd6 Qxe1+ 39. Kc2 Qf2+ 40. Kc1 Qg1+ 41. Kd2 Qh2+
42. Kc1 cxd6 43. Qg6+ Kh8 44. Qf6+ (44. Bxf7 Qh4) 44... Kh7 45. Qf5+ Kg7 46.
Qxg4+ Kh8) 38... Kh8 39. Qe2 Qxe2 40. Rxe2 Rg6 {Stockfish10}) 38. Qxg4+ Rg6 39.
Qxf4 Qd8 (39... Rg5 40. e6 fxe6 41. Qxc7 Qd8 42. Qh2 Rf6 43. Bxe6+ Kh8 $15 {
Stockfish10}) 40. Qe4 Qg5+ 41. f4 Qg2 42. Qf5 Qg4 (42... Kg7 $17 {Stockfish10,
but Bl very short of time & behind Wh}) 43. Qe4 Qg2 44. Qf5 Qg4 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.16"]
[White "Horrell, Stephen A"]
[Black "Paffard, Mark"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1592"]
[BlackElo "1731"]
[Annotator "kemen"]
[PlyCount "65"]
[EventDate "2019.??.??"]

{[%evp 0,65,19,38,40,37,37,22,22,23,23,-11,33,19,33,18,34,15,17,-8,34,-7,-3,2,
-11,8,1,-35,17,15,17,10,19,-24,5,-15,-20,-45,-92,-77,-91,-92,-100,-96,-143,
-272,-103,-114,-58,-45,-117,-127,-127,-219,-220,-229,-214,-212,-215,-240,-96,
-69,-77,-50,0,-249,29999,-30000]} 1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 Nge7 5.
Be2 (5. d4) (5. Bb5) 5... a6 (5... d5) 6. O-O d6 (6... g6) 7. Qe1 $146 (7. d3)
7... b5 8. d3 Bb7 9. Nd1 Qc7 10. c3 g6 11. Bd2 Bg7 12. Qh4 h6 (12... f5 13. Ng5
Nd8 $11 {Komodo12}) 13. Qe1 O-O-O {the Bl K is more exposed on this side
because it is easier to open up} (13... O-O $11 14. Be3 f5) 14. a4 f5 15. axb5
axb5 16. Ra2 (16. Be3) 16... e5 (16... Kd7 {Komodo12- indicates the Engine's
concerns}) 17. Nh4 (17. Nf2) (17. fxe5 Nxe5 (17... dxe5 18. Be3 Nb8 19. b4 $16)
18. d4 Nxf3+ 19. Bxf3 Rhe8 20. exf5 Nxf5 21. Qf2 cxd4 22. g4 Ne7 23. Qg2 Bxf3
24. Qxf3 Rf8 25. Ra8+ Kd7 26. Rxd8+ Rxd8 27. Re1 $11 {Komodo12- the Bl K is
safe because of the many exchanges}) 17... exf4 18. exf5 (18. Rxf4 $11 g5 19.
Nxf5 gxf4 20. Nxg7 Qd7 21. Nf2 f3 22. Bxf3 Ne5 23. Be2 d5 24. b4 $16 {
Komodo12-the position around the Bl K still looks a little draughty}) 18... g5
$17 19. Ng6 Nxg6 (19... Rhe8 20. Nxe7+ Qxe7 21. Bh5 Qd7 22. Bxe8 Rxe8 23. Qf2
Qxf5 $17 {Komodo12-Bl has the better placed pieces}) 20. fxg6 Kb8 21. h4 Rhe8
22. Qf2 Ne5 23. h5 d5 (23... Qd7 $19 24. b4 Ng4 25. Bxg4 Qxg4 26. Bxf4 (26. Bc1
f3 27. Ne3 (27. g3 Re2) 27... Rxe3 28. Bxe3 fxg2 29. Rfa1 Qh3 (29... Qxh5) 30.
Ra8+ Kc7 31. Qf7+ Rd7 32. Qe8 Bxa8 33. Qxa8 Qh1+ 34. Kf2 g1=Q+ 35. Rxg1 Qxa8
$19)) 24. d4 (24. b4 $11) 24... cxd4 (24... Nc4 $17) 25. cxd4 (25. Bxb5 $11)
25... Nc6 $17 26. Bc3 b4 27. Bd3 (27. Ba6 Qb6 28. Bd3 Na5 $17 {Komodo12}) 27...
bxc3 {no need to rush} (27... Re7 28. Re1 Rde8 29. Rxe7 Qxe7 $19 {Komodo12- if
the c3 B moves, the Wh Q is lost}) 28. bxc3 Na5 29. Qc2 Rd6 (29... Nc4 $19) 30.
Qa4 {the Bl K position looking draughty again} Nc6 $17 {the only move to keep
an advantage} 31. Nf2 Rde6 $17 (31... Kc8 $15) 32. Rb1 f3 $2 (32... Re1+ 33.
Rxe1 Rxe1+ 34. Bf1 (34. Kh2 g4 35. Nxg4 Qe7 36. g3 Qg5 $19) 34... f3 $19 {
Komodo121}) 33. Qa8# 1-0

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.17"]
[White "Parri, Deio"]
[Black "Leah, Howard"]
[Result "1/2-1/2"]
[ECO "E80"]
[WhiteElo "1659"]
[BlackElo "1613"]
[Annotator "kemen"]
[PlyCount "58"]
[EventDate "2019.??.??"]

{[%evp 0,58,19,25,23,8,54,37,32,39,34,20,25,19,19,16,16,23,21,8,15,14,37,22,55,
44,43,43,56,33,27,10,27,-20,-23,-16,-14,-9,-6,0,57,12,41,44,205,192,196,198,
219,177,204,201,206,161,183,130,199,65,59,0,119]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
4. e4 d6 5. Bd3 Nbd7 (5... O-O {more flexible- maybe the N wants to go to c6
as Kotronias recommends}) 6. Nge2 {Seirawan System} O-O 7. f3 c5 (7... e5 {
alternative}) 8. d5 (8. Be3 {main}) 8... Ne5 9. Bg5 h6 {not been played at
this particular point-does create a potential weakness on g6 ( Bronstein,
Kotronias)} (9... a6 {main}) 10. Be3 e6 11. Qd2 Kh7 (11... Nh7 12. O-O Nxd3 13.
Qxd3 f5 14. dxe6 Bxe6 15. Nf4 Qf6 16. Nxe6 Qxe6 17. exf5 Rxf5 18. Rfe1 Qd7 19.
Rad1 Be5 20. Ne4 {Ortmann-Alpdogan, Wuerttemberg ch U15,1997,1-0}) 12. O-O exd5
13. cxd5 a6 (13... Nxd3 14. Qxd3 a6 15. a4 Re8 16. Rfb1 a5 17. Nb5 {
Rancic-Djuricic, SRB ch Central Kagujevac 2015,1-0}) 14. b3 (14. a4 Rb8 15. Ng3
Bd7 16. f4 Nxd3 17. Qxd3 Ng4 18. Nge2 c4 19. Qd2 Nxe3 20. Qxe3 b5 21. a5 b4 22.
Nd1 Qf6 $17 {Wang-Ning,Tan Lian Ann Cup, Tianjing 2001,0-1}) (14. Rab1 b5 15.
a3 b4 16. axb4 cxb4 17. Na4 Nxd3 18. Qxd3 Bd7 19. Qb3 Bb5 20. Rfe1 Bxe2 (20...
Nd7) 21. Rxe2 $16 {Zuk-Cabanas, Vancouver 1984,1-0}) 14... b5 $11 15. Rab1 Bd7
16. Bc2 (16. b4 $11 {Wh gains the d4 square for the N in many lines}) 16... b4
17. Nd1 Bb5 18. Nb2 Nh5 19. Nd3 Nxd3 20. Bxd3 Bxd3 21. Qxd3 f5 $6 (21... Qe7
$11) 22. exf5 gxf5 23. g4 $18 Nf6 24. Qxf5+ (24. Ng3 $18 {even
stronger-Komodo12}) 24... Kh8 25. Nf4 Rf7 26. Ne6 (26. Rbe1 {Wh is a pawn up &
there are holes around the Bl K}) 26... Qg8 27. Qd3 (27. Rbe1) 27... Nd7 (27...
Nxd5 28. Qxd5 Re7 29. Nc7 Rxc7 30. Qxd6 Rac8 31. Qxa6 Rc6 32. Qd3 c4 33. bxc4
Rxc4 $16 {but Bl has achieved a bit of counterplay}) 28. Nxg7 (28. Bf4 $18) (
28. Rbd1 $18) (28. f4 $18) 28... Qxg7 29. Qd2 (29. h3 $16) 29... Rf6 (29... Ne5
30. Bxh6 Qg6 31. Kh1 Nxf3 32. Qe2 Nd4 33. Qe3 Rg8 34. g5 Rf3 $11 (34... Nf5 35.
Qh3 Nxh6 36. Qxh6+ Qxh6 37. gxh6 Rxf1+ 38. Rxf1 Kh7 39. Rf6 Rg6 $11)) (29...
Rf6 30. h3 $16) 1/2-1/2

[Event "Dyfed Open"]
[Site "Fishguard"]
[Date "2019.02.24"]
[Round "5.18"]
[White "Denham, Colin"]
[Black "Roberts, Malcolm A"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1653"]
[BlackElo "1630"]
[Annotator "kemen"]
[PlyCount "65"]
[EventDate "2019.??.??"]

{[%evp 0,65,23,24,11,30,20,25,50,49,45,47,53,2,52,30,27,23,19,17,23,12,9,6,54,
52,60,47,36,43,55,61,64,46,44,57,62,62,73,80,79,73,103,83,161,188,202,167,207,
177,183,138,152,145,189,209,260,275,293,274,353,258,342,336,447,347,442,419]} 
1. Nf3 d5 2. d4 Nf6 3. Bf4 Nbd7 4. Nbd2 g6 5. e3 Bg7 6. Be2 (6. Bd3) (6. h3 {
main lines}) 6... O-O 7. h3 b6 (7... c5 {main}) 8. c3 Bb7 9. O-O Ne4 {9 games;
the position also occurred in IC Jones-D Robinson, SWPL 2005,1/2-1/2- but with
Bl to move, as Wh had just retreated his B from g5 to f4.} (9... c5 {main,252
games}) 10. Nxe4 dxe4 11. Nd2 Nf6 $146 (11... e5 $11 {Komodo12-1 Wh win, 1
draw & ! Bl win}) 12. Qc2 $14 e6 13. Bg5 (13. Be5 $16) 13... Qd5 14. Bf4 Qd7
15. Be5 Rac8 16. Bxf6 Bxf6 17. Nxe4 $16 Be7 18. Bf3 Ba6 19. Rfd1 f5 20. Nd2 Bd6
21. e4 f4 22. d5 $18 exd5 23. Bg4 Qe7 24. Bxc8 Bxc8 25. exd5 f3 26. Qe4 Qf6 27.
Nxf3 Bf5 (27... Bxh3 28. Re1 $18 (28. gxh3 Qxf3 29. Qxf3 Rxf3 30. Kg2 $18)) 28.
Qh4 Qg7 29. Re1 h6 30. Qd4 (30. Nd4) 30... Qd7 31. Ne5 Qc8 32. Nc6 (32. g4 $18)
32... Bc5 33. Qxc5 (33. Ne7+) 1-0

