[Event "Welsh Seniors Championship"]
[Site "Merthyr Tydfil"]
[Date "2019.09.27"]
[Round "1.1"]
[White "Hurn, Robert AJ"]
[Black "Pinch, David"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1608"]
[BlackElo "1646"]
[Annotator "kemen"]
[PlyCount "74"]
[EventDate "2019.??.??"]

{[%evp 0,74,19,9,42,-10,17,39,53,42,81,24,40,43,54,35,27,37,33,37,43,-2,-3,20,
-5,-97,-118,-115,-99,-92,-111,-150,-142,-165,-121,-136,-135,-159,-182,-173,
-163,-176,-163,-165,-120,-166,78,-229,-193,-362,-362,-375,-291,-361,-370,-430,
-430,-436,-368,-334,-368,-371,-370,-370,-350,-364,-377,-382,-320,-322,-343,
-343,-322,-343,-338,-338,-333]} 1. d4 Nf6 2. c4 c5 3. d5 b5 {first outing of
the Benko for David} 4. Nf3 {second most played here, after accepting the pawn}
d6 (4... g6) (4... Bb7 5. Nc3 b4 6. Nb1 e6 7. dxe6 fxe6 8. Bg5 Be7 9. e3 O-O
10. Be2 d5 11. O-O Nbd7 12. Nbd2 {urn-Waterfield, Dyfed Open 2019,1/2-1/2}) 5.
Qc2 (5. cxb5 {main}) 5... bxc4 (5... g6) 6. e4 g6 7. Nc3 Bg7 8. Bxc4 O-O 9. O-O
Nbd7 10. Nd2 (10. h3 {main GM practice} Rb8 11. Rb1 Nb6 12. Be2 Nbd7 13. Bf4
Qa5 14. Rfe1 Ba6 15. Bxa6 Qxa6 16. e5 $14 {Hurn-Waterfield,Welsh Seniors ch
2018,1/2-1/2}) 10... Nb6 (10... Ne5 11. Be2 Qb6 (11... Rb8 12. f4 Ned7 13. Nc4
Qc7 14. Be3 Nb6 15. Rab1 Nxc4 16. Bxc4 Ng4 17. Bc1 Bd4+ 18. Kh1 Ne3 19. Bxe3
Bxe3 20. Qd3 Bd4 21. Nb5 Qa5 22. Nxd4 cxd4 23. Qxd4 Ba6 24. Bxa6 Qxa6 25. a3 {
Silkaitis-Kavialauskas, LTU ch 2018,1-0}) 12. a4 Ba6 13. Nb5 {
Omarsson-Olafsson,Gudmuder Arason op, Hafnarfjorur 1998,0-1}) 11. Be2 e6 (11...
a5 12. a4 Ne8 13. Nb5 Nc7 14. Nxc7 Qxc7 15. Nc4 Ba6 16. Nxb6 Qxb6 17. Bxa6 Rxa6
18. Rb1 Rb8 19. Bd2 Qb3 {Tsirulnik-Shapoval,UKR ch women, Evpatoria,2008,1/2-1/
2}) 12. Bf3 (12. dxe6 Bxe6 (12... fxe6 {0-2} 13. e5 (13. Bf3 Nfd7 14. b3 Ba6
15. Rd1 Ne5 16. Bb2 Nd3 17. Nf1 Nxb2 18. Qxb2 Bd4 $19 {Piquemal-Bui Trong, FRA
ch tm 2004,0-1}) 13... Nfd5 14. exd6 Nb4 (14... Qxd6) 15. Qb3 Nc6 16. Qb5 (16.
Nde4 $18) 16... Bb7 17. Qxc5 Bd4 18. Qa3 Rxf2 19. Rxf2 Bxf2+ 20. Kxf2 Qh4+ 21.
Kg1 Nd4 22. g3 Qh3 23. Bf1 Qf5 24. Nd1 $2 Qd5 $19 {Soural-Sabol, Nachod op
2001,0-1}) 13. Nf3 Rc8 14. Rd1 Qe7 {Goh-Olarusu, Nova Gorica 2008,1/2-1/2})
12... exd5 13. Nxd5 (13. exd5) 13... Nfxd5 14. exd5 Re8 $19 15. Nc4 Bf5 (15...
Ba6 $19 16. Nxb6 Bxf1 17. Nxa8 Bd3 $1 {Komodo13, saves the pice with a
backrank threat} 18. Qd2 c4 19. h3 Qxa8 $19) 16. Qb3 Rb8 (16... Nxc4 17. Qxc4
Rb8 $19 {more accurate, Komodo13}) 17. Nxb6 (17. Ne3 Bd7 $19 {better try})
17... Rxb6 18. Qa3 Qb8 19. g4 {trying to break free, but creates K side
trouble for Wh} Be4 (19... Bc2 20. Bd1 Be4 21. Bf3 Rb4 22. h3 Qb5 $19 {Komodo13
} 23. Bxe4 Rbxe4 24. Qb3 Qe2) 20. Bxe4 Rxe4 21. Qf3 Reb4 (21... Qe8 22. Rb1 Qe5
23. h3 (23. Rd1 Re1+ 24. Rxe1 Qxe1+ 25. Kg2 Rb4 $19) 23... Qxd5 $19 {Komodo13})
22. Rb1 Bxb2 {looks a logical followup, yet should lose!} (22... Ra4 $19 23. a3
Rb3 24. Qe2 Qb5 25. Re1 Qxe2 26. Rxe2 Rxg4+ 27. Kf1 Be5 $19 {Komodo13}) 23. Bd2
{right idea, wrong execution thereof.} (23. Rxb2 $1 $18 Rxb2 (23... Qc8 24.
Rxb4 Rxb4 25. h3 $18) 24. Qf6 Qf8 25. Bxb2 Rxb2 26. Qxb2 $18 {Komodo13}) 23...
Ra4 24. Rxb2 Rxb2 25. Bc3 Rc2 (25... Rb1 26. Bf6 (26. Qf6 Rxg4+)) (25... Ra3 {
Rudy & considered by Bl} 26. Qf6 Rxc3 27. Qxc3 Qb4 28. Qg3 Rb1 29. Qxd6 Qxg4+
30. Qg3 Rxf1+ 31. Kxf1 Qxg3 32. hxg3 Kf8 {and the c pawn wins}) 26. Ba1 Rcxa2
27. Bf6 (27. Qf6 Rxa1 28. Rxa1 Rxg4+ 29. Kh1 Qb3 $19 {Komodo13}) 27... Qb4 28.
h3 R2a3 (28... R4a3 29. Qg2 Re2 $19 {Komodo13}) (28... Qf4 {an idea Rudy,
actually loses to} 29. Rb1 Ra1 30. Bxa1 $1) 29. Qe2 Qe4 30. Re1 Qxe2 31. Rxe2
Kf8 32. Be7+ Kg7 {best-Komodo13} (32... Ke8 $19) 33. g5 Rd3 (33... Rxh3 $1 {
Komodo13} 34. Bf6+ Kf8 35. Be7+ Ke8 36. Bxd6+ Kd7 37. Kg2 (37. Bxc5 Rg4+ 38.
Kf1 Rh1#) 37... Rd3 38. Bxc5 Rg4+ 39. Kh2 Rxd5 $19 {Komodo13}) 34. Bf6+ (34.
Bxd6) 34... Kf8 35. Be7+ Kg7 36. Bf6+ Kf8 37. Be7+ Kg7 (37... Ke8 {and Bl is
still winning} 38. Bxd6+ Kd7 39. Bxc5 Rxd5 40. Re7+ Kd8 41. Rxa7 Rxa7 42. Bxa7
Rxg5+) 1/2-1/2

[Event "Welsh Seniors Merthyr Tydfil"]
[Site "?"]
[Date "2019.09.27"]
[Round "1.2"]
[White "O'Rourke, Kevin"]
[Black "Van Kemenade, R."]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1275"]
[BlackElo "1885"]
[Annotator "kemen"]
[PlyCount "98"]
[EventDate "2019.09.29"]

{[%evp 0,33,19,31,31,38,22,17,22,22,39,0,17,6,20,-50,-53,-44,-20,-41,-42,-37,
-20,-63,-64,-79,-46,-68,-74,-84,4,-96,-91,-80,-87,-160]} 1. e4 e5 2. Nf3 Nf6 3.
Nc3 Bb4 4. Qe2 {this leads to trouble a bit later when the game opens up} (4.
Bc4) (4. Nxe5) (4. d3 {main lines}) 4... d6 (4... Nc6) (4... O-O) 5. h3 (5. a3
$15 {1 Wh win, 4 draws}) 5... c6 (5... a6 6. a3 Bc5 7. b4 Ba7 8. Bb2 Nc6 9. g3
O-O 10. Bg2 Bd7 11. O-O a5 12. Na2 axb4 13. axb4 Re8 {Hunt-Newton, IECC 2001,
0-1}) 6. a3 Ba5 7. Na2 $6 (7. b4 Bc7 {would save Wh 2 tempi}) 7... Nbd7 (7...
d5 $17 {Komodo13}) 8. b4 Bc7 9. Nc3 a5 {loosening up the Q side in case Wh has
plans of 0-0-0} 10. b5 O-O 11. d3 d5 $17 12. exd5 (12. bxc6 bxc6 13. g3 Nc5 $19
) 12... Nxd5 (12... cxd5 $19 13. Bg5 {Bl didn't want to allow this, however} h6
14. Bh4 a4 15. Nxd5 (15. Nd2 Ba5 16. Nxd5 g5 17. Nxf6+ Nxf6 18. Bg3 Re8 19.
O-O-O Qd4 20. Nb1 Nd5 21. c4 Nc3 22. Nxc3 Qxc3+ 23. Qc2 Qxa3+ $19) 15... g5 16.
Nxc7 Qxc7 17. Rd1 gxh4 $19 {Komodo13}) 13. Nxd5 (13. Bg5 f6 14. Bd2 Re8 $19)
13... cxd5 14. Bb2 (14. g3 Nb6 (14... e4 15. dxe4 dxe4 16. Nd4 Nc5 17. Be3 Na4
18. Qd2 Bb6 19. Bg2 Qc7 20. O-O Rd8 $15) 15. Bg2 e4 16. Nd4 exd3 17. Qxd3 Re8+
18. Kf1 (18. Be3 Nc4 19. O-O Nxe3 20. fxe3 Bxg3 $19 {Komodo13})) 14... e4 (
14... Re8 15. O-O-O Nb6 $19 {Komodo13- as the Wh K position remains insecure})
15. Nd4 (15. dxe4 dxe4 16. Nd4 Nb6 17. O-O-O Qe7 $17 {Komodo13}) 15... Nc5 (
15... Bf4 $1 $19 {Komodo13}) (15... exd3 16. Qxd3 Re8+ 17. Be2 Nc5 18. Qf3 Na4
19. O-O-O Be5 20. Ba1 Qd6 21. Kb1 Bd7 $19 {Komodo13}) 16. O-O-O Re8 (16... exd3
$19 {Komodo13} 17. cxd3 Na4 (17... Bd7)) 17. Nb3 $2 (17. dxe4 Rxe4 18. Qf3 Be5
19. Bd3 (19. Kb1 Qb6 $19) 19... Qg5+ 20. Kb1 Rxd4 $19 {Komodo13}) 17... exd3
$19 (17... Bf4+ $1 18. Kb1 (18. Nd2 exd3 19. Qf3 Bxd2+ 20. Kb1 (20. Rxd2 Re1+
21. Qd1 (21. Rd1 Qg5+ 22. Kb1 dxc2+ 23. Kxc2 Bf5+ 24. Bd3 (24. Rd3 Rc8 $19)
24... Nxd3 25. Rxd3 Rxh1 $19))) (18. Rd2 exd3 19. Qd1 Bf5 20. Bxd3 Nxb3+ 21.
cxb3 Bxd3 $19) 18... exd3 19. Qf3 dxc2+ 20. Kxc2 Bf5+ 21. Bd3 Nxd3 22. Rxd3
Qc7+ 23. Kd1 Be4 24. Qg4 f5 $19 {Komodo13}) 18. Qd2 Ne4 19. Qe3 (19. Qxd3 Nxf2
20. Qd4 Qg5+ 21. Kb1 Nxh1 $19 {Komodo13,seen by Bl}) 19... Nc3 (19... Ng3 {
seen as alternative}) (19... dxc2 $1 {Komodo13- considered by Bl} 20. Kxc2 Bf5
21. Bd3 Rc8 {not assessed fully} 22. Kb1 (22. Qf3 Be5+ 23. Kb1 Qf6 24. g4 (24.
Bxe5 Qxe5 25. Rde1 a4 $19) 24... Bxb2 25. Qxf5 Nc3+ 26. Kc2 (26. Kxb2 Nxd1+ 27.
Kb1 Qb2#) 26... Ne4+ 27. Kb1 Qc3 28. Bxe4 dxe4 29. Rd2 Bxa3 30. Qd5 a4 $19)
22... Nc3+ 23. Bxc3 Rxe3 24. fxe3 Qg5 $19 {Komodo13}) 20. Qxd3 Nxd1 (20... Qg5+
$1 {Komodo13} 21. Qd2 (21. Nd2 Nxd1 22. Kxd1 Bf5 23. Qf3 Be5 24. Bc1 Rac8 25.
Bd3 Bxd3 26. Qxd3 Qxg2 $19) 21... Bf4 22. Bxc3 Bxd2+ 23. Rxd2 Bf5 $19 {Komodo13
}) (20... Bf4+ 21. Nd2 (21. Rd2 Re1# {missed by Bl}) 21... Nxd1 22. Kxd1 Qb6
23. Qd4 Qh6 $19 {Komodo13}) 21. Qxd1 Bf5 22. Nd4 Bg6 23. Bd3 Qg5+ 24. Kb1 Qxg2
(24... Bxd3 25. cxd3 Qg6 {Komodo13}) 25. Bxg6 hxg6 26. h4 Qxf2 27. h5 gxh5 {
a little risky, but 3 passed pawns should give a simple win in endings. When
up in material, it is seldom wise just to swap and hope things will work out.
One needs to play with extra vigour to activate the pieces.} (27... Rad8 28.
hxg6 fxg6 $19 {Komodo13}) 28. Nb3 (28. Qxh5 Re1+) (28. Rf1 Qh2 29. Rh1 Qe5)
28... g6 29. Nc1 (29. Qxd5 Rac8 (29... Re1+ 30. Rxe1 Qxe1+ 31. Ka2 Qe6 {
planned by Bl}) 30. Rxh5 (30. Bd4 Qf4 31. a4 Be5) 30... Qg1+ (30... gxh5 $2 31.
Qg5+ Kf8 32. Bg7+ Kg8 33. Bf6+ Kf8 34. Qg7#) 31. Nc1 gxh5 32. Qxh5 f6 33. Qd5+
(33. Bxf6 Qg2 $19) 33... Kf8 34. Bxf6 Qg6 $19 {Komodo13}) 29... Rad8 30. Nd3
Qe2 31. Qc1 Qe3 32. Qf1 d4 {shutting off entry points for Wh} 33. Qd1 (33. Bc1
Qe2 34. Qh3 Qg4 35. Qf1 Rd5 36. a4 Rf5 {Komodo13, envisaged by Bl}) 33... Bg3
34. Rh3 h4 35. Qh1 (35. Rh1 Qe2 36. Qc1 Re3) 35... Qe4 (35... Rc8) 36. Qxe4
Rxe4 37. Nc5 Re1+ 38. Ka2 g5 (38... b6 {is Ok; Bl aims for a faster resolution}
) 39. a4 (39. Nxb7 Rd5 40. Nxa5 g4) 39... g4 40. Nd3 gxh3 41. c3 Re2 (41... h2
{getting a Q is possibly one move faster to mate; but then Bl would have to
demolishthe Wh K position anyway. So, do things in reverse order.}) (41... dxc3
) 42. Kb3 dxc3 43. Kxc3 Rxd3+ (43... h2) 44. Kxd3 Rxb2 45. Kc4 h2 46. Kc5 h1=Q
47. Kb6 {trying to hide behind the Bl pawns} Qc6+ 48. Ka7 Qc7 49. Ka8 (49. b6 {
only other move} Qb8#) 49... Qb8# 0-1

[Event "Wales Seniors Merthyr Tidfil"]
[Site "?"]
[Date "2019.09.28"]
[Round "2.1"]
[White "Van Kemenade, R."]
[Black "Phillips, William"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1885"]
[BlackElo "1893"]
[Annotator "kemen"]
[PlyCount "160"]
[EventDate "2019.09.29"]

{[%evp 0,13,19,31,34,19,13,17,8,1,25,-4,-1,35,10,-23]} 1. e4 e5 2. Nf3 Nc6 3.
Bc4 Bc5 4. c3 Nf6 5. d3 a6 {2nd most played move, though Bl was playing it
move by move} (5... d6 {main}) 6. O-O (6. Bb3 Ba7) 6... O-O (6... Ba7) (6... d6
) 7. h3 (7. Bb3 {main}) (7. d4 Ba7 (7... exd4 8. cxd4 Ba7 9. e5 {4-0}) 8. dxe5
Nxe4 9. Bd5 (9. b4 {6 Wh wins,2 draws,2 Bl wins}) 9... Nc5 10. Bg5 Qe8 11. Re1
{7 Wh wins,3 draws}) 7... Bb6 $146 (7... d6 {main}) (7... Ba7) 8. Re1 (8. Bg5 {
considered}) (8. Be3 {also, though} Bxe3 9. fxe3 d5 10. exd5 Nxd5 11. Qe2 Be6
$11) 8... d6 9. Bb3 {transposes to several games} (9. a4 {Stockfish10 &
Houdini4}) 9... Be6 10. Bc2 (10. Bg5 {Komodo13}) (10. d4 {Deep Fritz13}) 10...
Ne7 {a similar re-routing is found in lines with the Bl B on a7,5 Wh wins,2
draws & 3 Bl wins} (10... h6 11. d4 exd4 12. cxd4 Nb4 13. d5 (13. Bb3 Bxb3 14.
Qxb3 Nc6 15. e5 dxe5 16. dxe5 Nd5 17. Rd1 Nce7 18. Nc3 c6 $14 {
Ianocichin=Romcovici, Lutikov mem, Tiraspol 2007, draw agreed}) 13... Nxc2 14.
Qxc2 Bd7 15. Bf4 $14 {Bromberger-Abdulmalik, Qatar Masters op, Doha 2015,0-1})
(10... Qd7 11. Ng5 h6 12. Nxe6 fxe6 13. Be3 Bxe3 14. Rxe3 Qf7 15. Qf1 Nh5 16.
g3 Qg6 17. Qg2 $11 {Sousa-Vergara,Moscow Olympiad 1994,1-0}) 11. d4 (11. Be3
Bxe3 12. fxe3 {holds f4 against the Ns. In a similar position Wh bulit up a
winninh attack down the f file in Van Kemenade-Guha, WLS ch 2019,1-0} Ng6 13.
d4 d5 {Bl can still react with this} 14. exd5 Bxd5 15. e4 Be6 16. d5 Bd7 17.
Nbd2 $11) 11... Ng6 12. dxe5 {hoping to play against some weak pawns, but Bl
develops very active piece play} (12. Be3 {played mainly with the B on a7,
though Wh got concerned about Bl's possibilities with} Nh5 (12... h6 13. Nbd2
Nh5 14. d5 Bxe3 15. Rxe3 Bd7 16. Nxe5 Nxe5 17. Qxh5 $16) 13. Nbd2 (13. d5 Bxe3
14. Rxe3 Bc8 15. Nxe5 $16) 13... Qf6 {missing that then} 14. Bg5 {wins the Q})
(12. Nbd2 Nh5 13. Nf1 c6 14. Be3 Nhf4 15. dxe5 dxe5 16. Qxd8 Bxd8 17. N1d2 Bc7
18. g3 Nxh3+ 19. Kg2 h6 20. Bb3 Ng5 21. Nxg5 Bxb3 22. Nxb3 hxg5 23. Bxg5 f6 24.
Be3 b6 25. a4 a5 26. Nd2 $14 {Komodo13}) 12... dxe5 13. Qxd8 Raxd8 14. Bg5 (14.
Nbd2 Nh5 15. Nf1 h6 16. Be3 Bxe3 17. Nxe3 Nhf4 $11 {Komodo13}) 14... h6 $15 {
Komodo13} 15. Bxf6 (15. Be3 Bxe3 16. fxe3 Rd7 17. b3 Rfd8 18. c4 c6 19. c5 Nh7
20. Nc3 Ng5 21. Nxg5 hxg5 22. Rad1 g4 23. hxg4 Bxg4 24. Rxd7 Rxd7 25. Bd1 Be6
$15 {Komodo13}) 15... gxf6 $17 16. Nbd2 (16. g3 Bxh3 17. Nbd2 Rd7 $17 {Komodo13
}) 16... Nf4 17. Nf1 Nd3 (17... Kh7 18. Ne3 Rg8 19. g3 (19. Kh1 Bxe3 20. fxe3
Nxg2 $19) 19... h5 20. Rad1 Nxh3+ 21. Kg2 Rxd1 22. Rxd1 Nf4+ 23. Kh2 Bxe3 24.
fxe3 Ne2 25. Bd3 Nxg3 26. Rg1 Rd8 27. Bb1 h4 28. Nxh4 Ne2 29. Rg2 Nc1 $19 {
Komodo13}) 18. Bxd3 Rxd3 19. Ng3 Bxh3 20. Nh5 Be6 21. Nxf6+ Kg7 22. Nh5+ (22.
Nd5 {considered by Wh} Bxd5 23. exd5 Rxd5 24. Rxe5 Rxe5 25. Nxe5 Re8 26. Re1 f6
27. Nf3 Rxe1+ 28. Nxe1 $11 {Komodo13}) 22... Kh8 23. a4 {after some thought} (
23. Rad1 {Wh came close to playing this} Rfd8 (23... Rxd1 24. Rxd1 f6 25. Rd2 (
25. a3) 25... Bxa2 26. Nh4 Rf7 27. Rd8+ Kh7 28. Rd7 f5 29. Nf6+ Kg7 30. Nh5+
Kh7 31. Nf6+ $11 {Komodo13}) 24. Rxd3 Rxd3 25. Kf1 (25. Nxe5 Rd2 $17) 25...
Bxa2 (25... Bc4 26. Nxe5 Rd2+ 27. Nxc4 Rxf2+ 28. Kg1 Re2+ 29. Kf1 Rf2+ $11) 26.
Ke2 Rd8 27. Nxe5 Bc5 (27... Re8 28. f4 Bc4+ 29. Nxc4 Rxe4+ 30. Kd2 Rxc4 31. g4
Rc5 32. Re7 Kg8 33. Re8+ Kh7 34. Rf8 $14 {Komodo13}) 28. f4 $11) 23... Rfd8 $15
24. a5 Ba7 25. Ra4 $6 (25. Nxe5 {had to be tried} Rd2 26. Kh1 (26. Rf1 Rxb2 27.
Nf4 Rdd2 28. Kh2 Rb5 29. Nf3 Rxf2 30. Rxf2 Bxf2 31. Nd4 Bxd4 32. cxd4 c6 $17)
26... Rxf2 (26... Bxf2 27. Rf1 Rxb2 28. Nf4 Rdd2 29. Ned3 Rbc2 30. Nxf2 Rxf2
31. Rxf2 Rxf2 32. Nxe6 fxe6 33. Rb1 Rc2 34. Rxb7 Rxc3 35. Ra7 Kg7 (35... Rc6
36. Kh2 $11 {both sides have scatterred pawn islands}) 36. Rxa6 Kf6 $11 {
Komodo13})) 25... Bg4 $19 {Bl now gets 2Bs vs a R} 26. Nxe5 Bxh5 27. Nxd3 Rxd3
28. Rb4 (28. e5 Bd1 (28... Rd2 29. Rf4 Rxb2 (29... Kg7 30. g4 Bg6 31. b4 c5 32.
e6 fxe6 33. Rxe6 Rd7 $19 {Komodo13}) 30. e6 {missed by Wh} fxe6 31. Rxe6 Kg8
32. Rxh6 Rb5 33. Rb4 Rxa5 34. Rxb7 Bb6 $17 {though it is difficult to play for
both sides} 35. Kh2 Rc5 36. g4 Bf7 37. f4 Kg7 38. Rhxb6 cxb6 39. Rxb6 a5 40.
Ra6 Be8 $19 {Komodo13}) 29. Rf4 Bb3 30. Rb4 Bd5 $19 {Komodo13}) 28... Rd2 29.
Rf1 Be2 (29... b5 30. axb6 Bxb6 31. e5 Kg7 32. Ra1 a5 33. Rf4 Rxb2 $19 {
Komodo13}) 30. Ra1 (30. Rxb7 {considered, best chance-Komodo13} Bxf1 31. Rxa7
Bd3 32. Rxc7 Rxb2 33. Rxf7 Bxe4 34. Rf6 Bd3 35. Rxh6+ Kg7 36. Rc6 Rb5 37. f4
Rxa5 $15 {Wh can create a bit of play with the connected pawns & R against the
Bl K, but that a pawn shouls be able to win for Bl} 38. Kf2 Ra1 39. g4 a5 40.
Rc7+ Kg6 41. Ke3 Bc2 42. c4 a4 43. Ra7 a3 44. Ra6+ Kg7 45. Ra7+ Kf6 46. Ra6+
Ke7 47. Kd4 a2 48. Ra7+ Kd6 49. Ra6+ Kc7 50. Kc3 Bd3 51. Kb2 Rf1 52. Rxa2 {
seems to draw, Komodo13 nudged into looking at a possible line of play}) 30...
Bb5 $19 31. Kh2 (31. e5) 31... Bxf2 (31... Bc5 $1) 32. e5 Bc6 33. Rf1 Bd5 34.
Rg4 (34. Rf4 Be3 35. R4f3 Bxf3 36. Rxf3 Re2 37. Rxf7 Kg8 38. Rxc7 Bf4+ 39. Kh3
Rxb2 $19) 34... Be6 (34... Rxb2 35. Rd1 Be6 36. Rb4 Rxb4 37. cxb4 Kg7 $19 {
Komodo13}) 35. Rf4 (35. Rb4 Bd5) 35... Be3 36. R4f3 Bg5 37. R3f2 (37. Rxf7 {
Komodo13 keeps suggesting trying to give up an exchange in return for pawns}
Bxf7 38. Rxf7 Kg8 39. Rxc7 (39. e6 Bd8 40. c4 Rd6 41. Rf3 Rxe6 42. Rb3 b6 $19)
39... Bf4+ 40. Kh3 Rxb2 $19) 37... Rd5 38. b4 (38. Re1 Rxa5) 38... Rxe5 39. Rd1
Re3 (39... Kg7) 40. Rf3 Re4 (40... Rxf3 41. gxf3 Kg7 {gives Bl a passed pawn
which the Bs can guide through}) 41. Rdd3 (41. Rd4) 41... Kg7 42. Kg1 Bg4 43.
Rg3 h5 44. Rd5 Bf4 (44... Be3+ 45. Kf1 Bf4 {forces the exchange of a R for a B}
) 45. Rgd3 Bd6 (45... Be3+ 46. Kh2 (46. Kf1 Ba7 47. Rg3 Rf4+) 46... Be2 $19 {
does the same}) 46. b5 axb5 47. Rxb5 Ra4 (47... Be2 48. Rg5+ Kf6 49. Rdd5 Bg4 {
and one of the Rs will go}) 48. Rd4 Rxd4 (48... Ra1+ 49. Kf2 Ra2+ 50. Kg1 Bg3
51. Rdb4 c6 $1 52. Rb2 Ra4 53. Rxb7 Bf5 54. Rb1 Bxb1 55. Rxb1 Rxa5 $19 {
Komodo13}) 49. cxd4 {and Wh felt a bit of hopefulness here} Bc8 50. Rxh5 b6 (
50... f5 {Komodo13, cuts off the R} 51. Rg5+ Kf6 52. Rg8 Be6 53. Ra8 Bd5 54. a6
bxa6 55. Rxa6 f4 $19 {the Wh K is out of the action& the d pawn will fall}) 51.
axb6 {giving Bl a passed pawn, but Wh had seen a way to possibly win a B,
though there is a hole in the plan} (51. Rb5 Bd7 $1 (51... bxa5 52. Rxa5 {
which Bl tried in pm analysis gives Wh good hopes for a draw, as there is no
passed pawn & the Wh pawns can be protected} f5 {however this exact move by
Kommodo13 cuts off the Wh K} 53. Kf2 f4 $19) 52. Rd5 Bc6 53. Rh5 Kg6 54. g4
bxa5 55. Rxa5 Bf3 56. g5 c6 57. Kf2 Bd5 58. Ra8 Kxg5 $19 {Komodo13}) 51... cxb6
52. Rb5 Bc7 53. d5 {and Wh saw the flaw- d6, Bd8;d7, Bxd7 & Rd5 picking up a B.
} Bd7 (53... Bd6 54. Kf2 (54. Rxb6 $2 Bc5+) 54... Bc5+ $19) 54. Rb3 Bd6 55. Kf2
Bc5+ 56. Kf3 (56. Ke2 {trying to get to c4} Bf5 57. Kd2 Be4 58. d6 Kf6 59. d7
Ke7 $19 {Komodo13}) 56... Kf6 57. Ke4 Bf5+ 58. Kf3 {and Wh struggled on a while
} (58. Kf4 Bg6 59. g4 Ke7 60. Ke5 f6+ 61. Kf4 Kd6 62. Kf3 Kxd5 $19) 58... Ke5
59. g4 Bg6 60. Rb2 Kxd5 61. Kf4 Kc6 (61... f6) 62. Ke5 b5 63. Rb3 b4 64. Rf3
Kb5 65. Kd5 Bf8 (65... Bc2 {quickest} 66. Rf1 (66. Rxf7 Bb3+) 66... b3 67. Rxf7
b2 68. Rf1 Be3 69. g5 Bc1 70. Rf8 Bb3+ 71. Kd4 b1=Q {and mate in 8- Komodo13})
66. Rh3 Bg7 67. Rf3 Bc3 68. Rh3 Bc2 69. Rf3 Bb3+ (69... b3 70. Rxc3 b2 71. Rxc2
b1=Q {should win but takes longer}) 70. Ke4 Be6 71. Kd3 Bg7 72. Kc2 b3+ 73. Kb1
b2 74. Rf4 Kc5 75. g5 Kd5 76. Rf2 Bd4 77. Rf1 Ke5 78. Re1+ Kf5 79. Rd1 Bg7 80.
Rg1 Kg6 0-1

[Event "Welsh Seniors Championship"]
[Site "Merthyr Tydfil"]
[Date "2019.09.28"]
[Round "2.2"]
[White "Pinch, David"]
[Black "James, Dai"]
[Result "0-1"]
[ECO "E17"]
[WhiteElo "1642"]
[BlackElo "1858"]
[Annotator "kemen"]
[PlyCount "44"]
[EventDate "2019.??.??"]

1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. g3 (4. d5 exd5 (4... b5)) 4... b6 (4... cxd4) (
4... d5) 5. Bg2 Bb7 6. O-O (6. d5 exd5 7. Nh4 {is an interestting line}) 6...
Be7 (6... cxd4) 7. Nc3 O-O 8. Qc2 (8. d5 {main} exd5 9. cxd5 (9. Nh4) 9... d6)
8... cxd4 9. Nxd4 Bxg2 10. Kxg2 Nc6 (10... Qc8) (10... Qc7 {main lines}) 11.
Nxc6 {Cloud Engines} (11. Rd1 Nxd4 12. Rxd4 Qc7 {1 Wh win, 1 draw, & 5 Bl wins}
) 11... dxc6 12. Rd1 Qc7 13. b3 (13. Ne4 Rad8 14. Bg5 Qe5 15. Nxf6+ Bxf6 16.
Bxf6 Qxf6 17. Rxd8 Rxd8 18. Rd1 h6 19. Rxd8+ Qxd8 {Barry-Sharp, New Hampshire
op, 2000,draw agreed}) (13. Bf4 e5 14. Bg5 $14 {Komodo13}) 13... Rad8 14. Bb2
h5 (14... c5 15. Rxd8 Rxd8 16. Rd1 a6 {Pitsck-Leick, Saarland ch, Saarlouis
2004,draw agreed}) (14... Nd7 15. Rd2 Nc5 $11 {Komodo13}) 15. e3 (15. Ne4 Ng4
16. Qc3 f6 17. f4 $14 {Komodo13}) 15... Rxd1 16. Rxd1 Rd8 17. Rxd8+ Qxd8 18.
Ne2 (18. Ne4 Nxe4 19. Qxe4 Qd2 20. Qd4 Qxd4 21. Bxd4 $11 {Komodo13}) (18. h3 a5
19. Ne2 Qd6 20. Bxf6 Bxf6 21. Qe4 $11 {Komodo13}) 18... h4 19. Nd4 (19. gxh4
$16 {Komodo13}) 19... Qa8 20. f3 (20. gxh4 c5+ 21. Nf3 Nh5 22. e4 $11 {Komodo13
}) (20. Nf3 c5 21. Bxf6 gxf6 (21... Bxf6 22. g4 Be7 23. h3 g5 24. e4 $14) 22.
Qd1 f5 23. Kh3 hxg3 24. hxg3 Bf6 25. Kg2 Qc6 26. Qh1 $11 {Komodo13}) 20... c5
21. Ne2 Ng4 (21... h3+ $1 $19 {Komodo13} 22. Kxh3 Qxf3 23. Bxf6 (23. Ng1 Qf1+
24. Qg2 Qf5+ 25. g4 Qh7+ 26. Kg3 Bd6+ 27. Kf2 Qc2+ 28. Ne2 (28. Kf1 Qd1+ 29.
Kf2 Nxg4+ {forces} 30. Qxg4 Qxg4 $19) 28... Ne4+ (28... Qxb2) 29. Kg1 Qxb2 $19)
23... Qf1+ 24. Kg4 gxf6 25. e4 f5+ 26. exf5 exf5+ 27. Qxf5 Qxe2+ $19) 22. Qd3 (
22. Qe4 {only move} h3+ 23. Kg1 Qxe4 24. fxe4 g5 $1 (24... Nxe3 25. Nf4 $15)
25. e5 Nxe3 $19) 22... h3+ (22... h3+ 23. Kf1 (23. Kxh3 Qxf3 24. Qd7 Nf2#)
23... Qxf3+ (23... Nxh2+) 24. Ke1 Nxh2 25. Kd2 Nf1+ 26. Kc2 h2 $19 {Komodo13})
0-1

[Event "Welsh Seniors Championship"]
[Site "Merthyr Tydfil"]
[Date "2019.09.28"]
[Round "2.3"]
[White "Penny, Liam"]
[Black "Hurn, Robert"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1674"]
[BlackElo "1608"]
[Annotator "kemen"]
[PlyCount "33"]
[EventDate "2019.??.??"]

1. d4 Nf6 2. Nf3 d5 3. e3 e6 (3... a6 4. Nbd2 e6 5. Bd3 Nc6 6. c3 Bd6 7. O-O
Bd7 8. Qe2 Na7 9. e4 $16 Bb5 $2 10. Bxb5+ Nxb5 11. e5 $18 {Penny-O'Rourke,
Welsh Seniors 2018,1-0}) 4. Bd3 c5 5. b3 {Rubinstein} (5. c3 {Colle}) 5... Be7
6. Bb2 O-O 7. O-O b6 8. Qe2 (8. Nbd2) 8... Bb7 9. Ne5 {10 games} (9. Nbd2 {
main, 128 games}) 9... Nbd7 (9... Nc6 {more frequent}) 10. f4 (10. Nd2) 10...
Ne4 11. Nd2 Nxd2 {main} (11... f5) (11... Rc8) 12. Qxd2 Nf6 (12... f5) (12...
Rc8) 13. Rf3 (13. c3 Ne4 14. Qe2 f6 15. Nf3 Bd6 16. Rfd1 Qe7 17. a4 Rac8 {
Piankov-Wagman, Wld ch Seniors,Arviers 2006,1-0}) (13. Qe2 a6 14. Rad1 Qc7 15.
a4 Rfe8 16. f5 exf5 17. Rxf5 Rf8 18. Rdf1 Bc8 19. R5f4 Bd6 20. Rxf6 Bxe5 21.
dxe5 gxf6 22. Rxf6 Re8 23. Qh5 Be6 24. Qh6 d4 25. exd4 cxd4 26. Bxh7+ Kh8 27.
Be4+ {Galan Aguado-Ojosnegros Martin, Oliver Gonzalez mem, Madrid 2011,1-0}) (
13. Rad1 {Stockfish8 & Komodo13}) 13... Rc8 (13... cxd4 14. Bxd4 Ne4 15. Qe1 f6
16. Ng4 Qe8 $11 {Komodo13}) (13... c4 {Rudy} 14. bxc4 (14. Be2 Ne4 $17) 14...
dxc4 15. Bxc4 Bxf3 16. Nxf3 Qc7 17. Bd3 b5 $15 {Komodo13}) 14. Qe2 (14. Rh3)
14... Bd6 (14... c4 {Rudy & Komodo13} 15. bxc4 dxc4 16. Bxc4 Bxf3 17. Nxf3 Qc7
18. Bb3 Ne4 19. c4 $11 {Komodo13, the Wh centre & 2 Bs give enough play for Wh}
) 15. Rh3 Qe7 (15... g6 {needs to be tried, though Wh does well against it} 16.
dxc5 bxc5 17. Nd7 $1 {wins an exchange, as} Nxd7 18. Qh5 $1 {mating}) (15... h6
{therefore,but the same move still works} 16. dxc5 bxc5 17. Nd7 $1 Qxd7 (17...
Nxd7 18. Rxh6 $1 (18. Bxg7 {also works}) 18... gxh6 19. Qg4+ {wins the Q}) 18.
Bxf6 gxf6 19. Qg4+ Kh8 20. Rxh6#) 16. Bxh7+ Nxh7 (16... Kh8 {lasts a little
longer} 17. dxc5 bxc5 18. Bd3+ Kg8 19. Ng4 Rfe8 20. Nxf6+ Qxf6 (20... gxf6 21.
Qg4+ Kf8 22. Rh8#) 21. Bxf6 gxf6 22. Rh7 Kf8 23. Qh5 Rc7 24. Bg6 $18 {Komodo13}
) 17. Qh5 1-0

[Event "Welsh Seniors Championship"]
[Site "Merthyr Tydfil"]
[Date "2019.09.28"]
[Round "3.1"]
[White "Phillips, William"]
[Black "Penny, Liam"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "1893"]
[BlackElo "1674"]
[Annotator "kemen"]
[PlyCount "65"]
[EventDate "2019.??.??"]

1. d4 d5 2. Nf3 e6 3. c4 Be7 4. Nc3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 Nbd7 8. Bd3
(8. Rc1 {waits for a tempo, when Bl has either} c6 {or} (8... b6) (8... c5 {
is a bit risky &}) (8... dxc4 {loses a tempo compared to the game})) 8... dxc4
9. Bxc4 c5 {Bl can play this active move now} (9... a6 {may be even better,
certainly in terms of results}) 10. O-O cxd4 (10... a6) 11. exd4 (11. Nxd4 {
avoids the isolated QP , but Bl has no problems against it}) 11... Nd5 (11...
Nb6 12. Bb3 Bd7 (12... Nbd5 {main})) (11... a6) 12. Bxe7 (12. Bg3 $14 {Komodo13
}) (12. Bxd5 Bxh4 13. Be4 Be7 14. Qe2 Nf6 15. Bc2 b6 16. Rad1 Bb7 17. Ne5 $11 {
Komodo13}) 12... Nxe7 13. Rc1 (13. Qe2 Nf6 14. Rfd1 Ned5 (14... Bd7 15. Ne5 Bc6
16. Nxc6 bxc6 17. Rac1 Qa5 18. Ne4 Nxe4 19. Qxe4 Qf5 $11 {Roese(2320)
-Wengenroth(2180),Oberliga NRW, 2000, 1/2-1/2}) 15. Rac1 b6 16. Ne4 Bb7 17. Ne5
Nf4 18. Nxf6+ Qxf6 19. Qg4 h5 20. Qg3 Rfd8 (20... h4 21. Qg4 Bxg2 $19 22. Nd7
Qh6 23. Nxf8 Bh3 24. Qf3 Qg5+ $19 {Komodo13}) 21. Bf1 h4 (21... Bxg2 $19) 22.
Qg4 g5 23. Rc7 $18 {Sabrowski (2114)-Kasper (1822), Berlin Lichtenberger 2012,
1-0}) 13... Nb6 14. Bb3 (14. Bd3 Nbd5 15. Bb1) 14... Nbd5 15. Re1 b6 16. Qd3 (
16. Nxd5 Nxd5 17. Qd3 Bb7 18. Bc2 Nf6 $11 {Komodo13}) 16... Bb7 17. Bc2 (17.
Ne5 $11) (17. Nxd5 Bxd5 18. Bxd5 Qxd5 $15 {Komodo13- when lots of pieces swap,
Wh has little attack, so the IQP becomes a weakness in the endgame}) 17... Nf6
(17... Nf5 $15 {Komodo13}) 18. Nd2 {going backward. To eliminate a defending N,
but the Bl pices become too active} (18. Red1 $11) 18... Nf5 $17 19. Nde4 Qxd4
(19... Nxe4 20. Nxe4 Qxd4 $17) 20. Nxf6+ gxf6 (20... Qxf6 $17 {preferred by
Komodo13} 21. g4 Rad8 22. Qh3 Nd4 23. Bd1 Qg5 {and Wh has just got further
weaknesses & a pawn down}) 21. Qb5 (21. Qh3 $11 {Komodo13}) 21... Qg4 $17 22.
Ne4 (22. Be4 {looks safer}) 22... Kh8 (22... Qg7 23. Ng3 Nd4 $17) 23. f3 {
creates further targets; it's best to refrain from pawn moves on the side
where you are under attack.} (23. Ng3 Nh4 24. Be4 Bxe4 25. Rxe4 Qg5 26. Qxg5
fxg5 $17) 23... Qg7 $19 (23... Qf4 $19) 24. Qd3 (24. Qe2) 24... Rad8 {now all
the Bl pieces are attacking, while the Wh ones lie passive} 25. Qc3 Nd4 (25...
e5) 26. Ng3 Rg8 27. Be4 Ba6 (27... Bxe4 28. fxe4 h5 $19 {Komodo13}) 28. Kf2 f5
29. Bd3 Bxd3 (29... f4 {Komodo13}) 30. Qxd3 f4 31. Qf1 (31. Kg1 fxg3 32. h3 Nf5
$19 {Komodo13}) 31... fxg3+ 32. hxg3 (32. Kg1 gxh2+ 33. Kh1 Nf5) 32... Qxg3+
33. Kg1 (33. Kg1 Nxf3+ {ends it all}) 0-1

[Event "Welsh Seniors Merthyr Tydfil"]
[Site "?"]
[Date "2019.09.28"]
[Round "3.2"]
[White "James, Dai"]
[Black "Hurn, Robert AJ"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "1858"]
[BlackElo "1608"]
[Annotator "kemen"]
[PlyCount "77"]
[EventDate "2019.05.21"]

1. e4 c5 2. Nc3 Nc6 3. g3 (3. Bb5 e5 4. f4 a6 5. Bxc6 dxc6 6. fxe5 Qg5 7. Qe2
Qxe5 8. Nf3 Qc7 9. O-O $14 {James-Hurn, S Wales Open 2015,1-0}) 3... g6 4. Bg2
Bg7 5. Nge2 d6 6. O-O e6 7. d3 Nge7 8. a4 {uncommon} (8. Be3) (8. f4 {main
lines}) 8... O-O 9. f4 Rb8 {back to more populated lines} 10. g4 (10. Be3 {
even more games}) 10... f5 {Cloud Engines} (10... Nd4 {2.5-1.5}) 11. Ng3 Nd4
$15 {0-4} (11... a6 {1.5-3.5}) 12. Nce2 $146 (12. h3) (12. Nb5) (12. gxf5)
12... b6 (12... fxg4 13. Nxd4 Bxd4+ 14. Kh1 h5 $15 {Komodo13}) 13. c3 (13. gxf5
exf5 14. c3 Nxe2+ 15. Qxe2 $11 Qc7 $15 {Komodo13}) 13... Nxe2+ 14. Qxe2 Ba6 (
14... fxg4 15. Qxg4 Qc7 16. Qh4 Rf7 $15 {Komodo13}) 15. Bd2 Qd7 16. Rfe1 Rbe8 (
16... fxg4 17. Qxg4 (17. h3 gxh3 18. Bxh3 Nc6 $19) 17... Bxd3 $17 {Komodo13})
17. Rad1 (17. exf5 exf5 18. Qe6+ Qxe6 19. Rxe6 fxg4 20. Rae1 Kf7 21. a5 Bxd3
22. axb6 axb6 23. Rxd6 Rd8 $11 {Komodo13}) 17... fxg4 (17... Qxa4 $2 18. Ra1
Qb5 19. exf5 $18 {Komodo13}) 18. h3 (18. Qxg4 Bxd3 $17) 18... Qc7 (18... gxh3
19. Bxh3 Nc6 $19 {Komodo13- the e6 pawn is easily maintainedin post}) 19. hxg4
c4 (19... Bb7) (19... Rf7) 20. d4 Qc8 (20... Bc8) 21. Bf3 (21. e5 Qd7 22. Ne4
d5 23. Nd6 Rb8 24. f5 $16 {Komodo13}) 21... e5 (21... Bb7 $11 {Komodo13}) (
21... Bxd4+ 22. cxd4 c3 23. Qg2 cxd2 24. Qxd2 Rf7 $11 {Stockfish10}) 22. dxe5
dxe5 23. f5 $18 {both Engines} Rd8 24. Bg5 Bf6 25. Rxd8 Qxd8 26. Rd1 (26. Bxf6
Rxf6 27. g5 Rd6 28. f6 Nc6 29. Nf1 $18 {Stockfish10}) 26... Qe8 (26... Bxg5 27.
Rxd8 Rxd8 {Stockfish10, is worth a try. Bl has lost control over the open file
as well as the bl squares. Meanwhile the B on f3 is a big pawn.} 28. Nf1 $18 {
should still be in Wh's favour, but Bl can make life difficult}) 27. Bxf6 Rxf6
28. g5 Rf8 29. f6 Nc6 30. Bg4 Nb8 (30... Nd8) (30... Bc8 $5) 31. Rd6 (31. Qh2
$1 {Stockfish10} Bc8 32. Be2 Be6 33. Nf5 $1 gxf5 34. exf5 Nd7 35. fxe6 Qxe6 36.
Qh6 Rf7 37. Bh5 $18) 31... Qxa4 32. Qd2 (32. Qh2 h5 33. Bxh5 Qa1+ 34. Nf1 {
mating in 9; Stockfish10}) 32... Nc6 $2 (32... Qb5 33. Be6+ Kh8 34. Rd8 Qc5+
35. Kg2 Bb5 36. Nf5 $18 {Stockfish10}) 33. Qd5+ Kh8 34. Qxc6 (34. Rd7 {mate in
7-Stockfish10}) 34... Qa1+ 35. Rd1 (35. Kg2 Qxb2+ 36. Be2) 35... Qxb2 36. Qd6 (
36. Qc7 Rg8 37. f7 {mate in 3, Stockfish10}) 36... Ra8 37. Qxe5 (37. Qd8+ Rxd8
38. Rxd8#) 37... Kg8 38. Be6+ (38. f7+ Kxf7 39. Qf6+ Ke8 40. Bd7#) 38... Kf8
39. Qd6+ 1-0

[Event "Welsh Seniors  Merthyr Tydfil"]
[Site "?"]
[Date "2019.09.28"]
[Round "3.3"]
[White "Pinch, David"]
[Black "Van Kemenade, R ."]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1646"]
[BlackElo "1885"]
[Annotator "kemen"]
[PlyCount "86"]
[EventDate "2019.09.28"]

{[%evp 0,17,28,28,27,-21,18,18,18,27,27,11,15,-5,6,9,38,17,46,-26]} 1. d4 Nf6
2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 O-O 7. O-O Re8 8. b3 Ncxe5 9.
Nbd2 (9. Bb2 a5 (9... Nxf3+ 10. Bxf3 Ne5 11. Nc3 a5 12. Nd5 {Fathallah-Van
Kemenade, WLS ch 2014,1-0}) 10. Nxe5 Nxe5 11. Nc3 Ra6 {main, close to 400 games
}) 9... Qf6 {Cloud Engines} (9... a5 10. Bb2 Ra6 {main}) (9... d5 10. Bb2 dxc4
11. Nxc4 Nxc4 12. Bxc4 Qe7 13. Qc2 Bd6 14. h3 Ne5 15. Nxe5 Bxe5 16. Rad1 $14 {
Gurrero-Paba, COL ch U26, Risarald 2009,1-0}) (9... Nxe3 10. fxe3 Ng4 11. Nb1
d6 12. h3 Nxe3 13. Bxe3 Rxe3 14. Kh1 Qe7 15. Ng1 $14 {Komodo13}) 10. Nd4 (10.
Rb1 {Cloud Engines} d6 $11 (10... Nxe3 11. fxe3 Ng4 12. Kh1 Nxe3 13. Qe1 Qg6 (
13... Nxf1 14. Nxf1 Qg6 15. Ra1 b6 $11) 14. Rf2 d6 15. Rb2 Nc2 16. Qf1 Ne3 17.
Qe1 Bb4 18. Nd4 Bd7 19. Qg1 Bc3 20. Nb5 Bxb5 21. cxb5 Bd4 22. Nf1 Nxf1 (22...
Ng4 23. Bxg4 Qxg4 24. Rbc2 $11) 23. Qxf1 Bxf2 24. Qxf2 Re7 25. h3 $14 {Komodo13
})) (10. Nxe5 Qxe5 11. Rb1 Qxh2# {Leoppida-Hearthstones9,playchess.com, 2012,
0-1}) 10... Qg6 (10... Bxd4 11. exd4 Qf4 12. Bxg4 Qxd4 13. Bf5 Qxa1 14. Qc2 Qd4
15. Bxh7+ Kh8 16. Be4 a5 $15 {Komodo13}) (10... Qh4 11. N2f3 Nxf3+ 12. Nxf3 Qe7
13. h3 Nf6 14. Bb2 b6 $11 {Komodo13}) (10... d6 $5) 11. N2f3 (11. Nb5 {looked
at by Bl} d5 12. Nxc7 Nxh2 13. Bh5 (13. Nxe8 Bh3 14. g3 Nhg4 15. Nf3 Nxf2 16.
Rxf2 Qxg3+ 17. Kh1 Nxf3 18. Bxf3 Qxf2 $19)) (11. h3 Nf6 12. Nb5 d5 $1 13. Kh2 (
13. Nxc7 Bxh3 14. Bf3 Ne4 $1 {Komodo13} 15. Nxd5 Nxf3+ 16. Qxf3 Bg4 17. Qf4 Bd6
{wins the Q}) 13... Bf5 $17 14. Nxc7 Bc2 15. Qe1 Bd6 $19 {Komodo13}) 11...
Nxf3+ (11... d6) 12. Nxf3 a5 (12... b6 13. Ne1 Nf6 14. Bf3 Ne4 $11 (14... d5
15. Bb2 c6 $11 {Komodo13})) 13. Qd3 Qf6 (13... Qh6 14. h3 Nf6 15. e4 Qg6 16. e5
Ne4 17. Be3 Be7 $11 {Komodo13}) 14. Bd2 (14. Qb1 d6 15. Bb2 Ne5 16. Nxe5 dxe5
17. Rd1 $11 {Komodo13}) 14... d6 (14... Ra6 15. Bc3 Qh6 16. Bd4 Bf8 17. c5 Rg6
18. h3 Nf6 19. Ne5 Rg5 20. f4 Rg3 21. Kh2 Qh4 22. Rf3 Rxf3 23. Bxf3 d6 24. cxd6
Bxd6 25. Bc3 b6 26. Rd1 $16 {Komodo13}) 15. Bc3 Qh6 (15... Bf5 16. Bxf6 Bxd3
17. Bxd3 Nxf6 $11 {Komodo13}) (15... Ne5 16. Nxe5 dxe5 17. Rfd1 Bf5 18. Qd5 Qb6
19. Qf3 Qg6 $11 {Komodo13}) 16. Bd4 Ba3 (16... b6 17. h3 (17. Bxc5 bxc5 {
takes the d4 square from the N} 18. Rfe1 a4 $15) 17... Nf6 18. a3 Bb7 19. Bxf6
Qxf6 20. Nd2 d5 21. cxd5 Bxd5 22. Qxd5 Rad8 23. Qc4 Rxd2 24. Rfd1 Bd6 25. a4
$11 {Komodo13}) 17. Rad1 b6 (17... Bd7) 18. h3 Nf6 (18... Ne5 {initial idea,
but Bl thought this lost a pawn with little compensation} 19. Bxe5 dxe5 20. Qe4
(20. Qd5 c6 21. Qe4 f5 $17) 20... Rb8 (20... Be6 21. Qxe5 Bxc4 22. Bxc4 Rxe5
23. Nxe5 Qf6 24. Bxf7+ Kh8 25. Bd5 c6 26. Bxc6 Rc8 27. Bb7 Rc7 28. Bf3 $14 {
Komodo13}) 21. Nxe5 Bxh3 (21... Qf6 22. f4 Bb7 23. Qc2 Rbd8 $11 {Komodo13}) 22.
Nxf7 Qf6 23. Qf3 Be6 24. Qxf6 gxf6 25. Nh6+ Kg7 26. Ng4 Rbd8 27. Nh2 Bf5 28.
Nf3 $14 {Komodo13}) 19. Bxf6 Qxf6 20. Qd4 Qe7 (20... Bb2 {seen in pm analysis}
21. Qxf6 Bxf6 22. Nd4 Bb7 $11 {Komodo13}) 21. Qd5 Be6 22. Qg5 f6 (22... Qxg5
23. Nxg5 Bd7 24. Bf3 Rab8 25. Ne4 Bb4 26. Ng3 a4 27. Bg4 $11 {Komodo13}) 23.
Qf4 Bc5 (23... a4 24. Nd4 Bd7 25. Nb5 axb3 26. axb3 (26. Nxc7 bxa2 27. Nxa8
Rxa8 28. Qd4 Bc6 29. Ra1 Bc5 30. Qd2 Qb7 31. Rxa2 Rxa2 32. Qxa2 Bxg2 33. Ra1
Bxh3 34. Qa8+ Qxa8 35. Rxa8+ Kf7 36. Bd3 $14) 26... Rec8 27. Ra1 Bxb5 28. cxb5
Qe5 29. Bc4+ Kf8 30. Qf3 $16 {Komodo13}) 24. Nd4 Bd7 (24... Bxd4 25. exd4 d5
26. Bh5 Bf7 27. Bxf7+ Qxf7 28. cxd5 Red8 29. Rc1 Rd7 30. Rfe1 Rad8 31. Rc6 $16
{Komodo13}) 25. Bf3 Rac8 26. a4 Qe5 (26... c6) 27. Bd5+ Kh8 28. Qh4 c6 29. Bf3
Qg5 30. Qxg5 fxg5 31. Rfe1 g6 32. Re2 h5 33. Red2 g4 34. hxg4 hxg4 35. Be2 g3
36. Bf3 gxf2+ (36... Kg7) 37. Kxf2 Kg7 38. Rh1 Re5 39. Rh4 Rf8 (39... Rce8) 40.
Ke2 Rfe8 41. e4 g5 42. Rh3 Bxh3 43. gxh3 Rxe4+ 0-1

[Event "Welsh Seniors Championship"]
[Site "Merthyr Tydfil"]
[Date "2019.09.29"]
[Round "4.1"]
[White "Penny, Liam"]
[Black "James, Dai"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1674"]
[BlackElo "1858"]
[Annotator "kemen"]
[PlyCount "91"]
[EventDate "2019.??.??"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 {perhaps a Pirc ?} d5 (3... Bg7 4. e4 {is the idea})
4. Bf4 Bg7 5. Qd2 (5. e3 {most frequent}) 5... h6 (5... O-O 6. Bh6 Ne4 {
top GM practice}) (5... Ne4 {features lots of games with Hebden as Wh}) 6. Ne5
(6. O-O-O) (6. h3) (6. h4 {other sharp lines}) 6... c6 (6... Nh5 {1.5-2.5}) 7.
f3 g5 $146 (7... Nbd7 {2.5-3.5}) (7... Nfd7 {2-0}) (7... Nh5 {Cloud Engines} 8.
Be3 b5 9. O-O-O Qb6 10. Kb1 a5 {Jaluvka-Ilyes, Wld ch ICCF 1999,0-1}) 8. Bg3
Bf5 9. Bf2 (9. h4 g4 10. h5 Nbd7 11. O-O-O $16 {Komodo13}) (9. O-O-O $16) 9...
Nbd7 10. g4 (10. Nxd7 Qxd7 11. g4 Bg6 12. h4 $14 {Komodo13}) 10... Bh7 11. Nxd7
Qxd7 (11... Nxd7 12. O-O-O b5 {Komodo13}) 12. h4 O-O-O 13. O-O-O Bg6 14. h5 (
14. Kb1 $16) 14... Bh7 15. Bg3 Ne8 16. Na4 (16. Kb1) 16... b6 17. e3 Nc7 18.
Qb4 f6 (18... Rhe8 $11) 19. Rd3 $5 {an interesting longrange sacrifice, to
gain control over the Wh squares, & relying also on Rs being bad defenders.} (
19. Bd3 Bxd3 20. Rxd3 e5 21. Rb3 Qd6 $11 {Komodo13}) (19. c4 e5 20. c5 $16 {
Stockfish10}) 19... Bxd3 20. Bxd3 e5 (20... e6 $17 {Komodo13} 21. Nxb6+ {
Stockfish10 also goes in for this further sacrifice} axb6 22. Qxb6 Bf8 23. c4
Bd6 24. Bxd6 Qxd6 25. c5 Qd7 26. b4 Rdf8 27. a4 Kd8 28. b5 Ke7 29. bxc6 Qc8 30.
Re1 (30. Rh2 f5 31. Rb2 $17 {is Stockfish10's first deviation from the
analysis provided by Komodo13}) 30... Rd8 31. Qb7 Qxb7 32. cxb7 Rb8 33. c6 Kd6
34. Bb5 e5 35. Kd2 Rhf8 36. Kc3 $17 {Komodo13-however, to adapt Fischer 'every
continuation lasting 20 moves must have a hole in it somewhere.}) 21. Rd1 (21.
Bf5 Ne6 22. c4 $11 {both Engines}) 21... Qd6 (21... e4 {initially given as
much better for Bl by both Engines, is then met by} 22. Nxb6+ $1 axb6 23. Qxb6
exd3 24. Rxd3 Bf8 25. Rb3 {with Wh close to winning} Qe7 26. Qb7+ Kd7 27. Bxc7
Ke8 28. Bxd8 Qxb7 29. Rxb7 Kxd8 30. Ra7 {definite plus for Wh Komodo13,
winning for Wh Stockfish10}) 22. Qb3 Kb7 23. Nc5+ (23. Kb1 $11) (23. Bf5 $11 {
both Stockfish10}) 23... Ka8 24. Na4 Rb8 (24... Rhe8 {might be better- the Bl
position is under severe pressure}) 25. e4 (25. Bf5 Qe7 26. e4 $11 {Stockfish10
}) 25... Qe7 (25... Ne6 $17 {both Engines}) 26. dxe5 (26. exd5 cxd5 (26... Nxd5
27. Be4 $16) 27. Nc3 $16) 26... fxe5 27. exd5 cxd5 (27... Nxd5 28. Be4 Rhc8 29.
c4 (29. Nc3 Nf6 30. Bf5 Rd8 31. Re1 Qc5 32. Ne4 Nxe4 33. Bxe4 $15) 29... Nf6
30. Bf5 $11 {Stockfish10}) 28. Nc3 Rbd8 (28... Rb7 29. Nxd5 Nxd5 30. Qxd5 Rd8
31. Qe4 $14 {both Engines}) 29. Nxd5 $1 Nxd5 30. Be4 Kb8 31. Rxd5 (31. Bxd5 {
may be even stronger}) 31... Rd7 (31... Rd6 32. a4 Rhd8 33. Bf2 $14 {
Stockfish10}) 32. Qb5 (32. Bf2 $1 $18 {Stockfish10 (Komodo13 agrees)} Rf8 (
32... Rhd8 33. Bxb6 $1 $18) 33. Bc5 Qd8 34. Rxd7 Qxd7 35. Bxf8 Bxf8 36. c3 Be7
37. Bf5 Qd6 38. Qg8+ Bd8 39. Qc4 Qc5 40. Qd3 Be7 41. Be4 Qd6 42. Qa6 Qc7 43.
Qb5 Qd6 44. a3 $18 {the Wh Q side pawns will advance slowly , while the Bl B
is hemmed in by its own pawns}) 32... Rhd8 33. Qc6 Rxd5 34. Bxd5 Rxd5 (34...
Qd7 35. Qa8+ Kc7 36. Qxa7+ Kd6 37. Qxd7+ Rxd7 38. Be4 $16 {Komodo13} (38. c4
$16 {Stockfish10})) 35. Qxd5 $18 {Wh is a pawn up, controls the centre & Bl
has a very bad B} Kc7 36. c3 (36. Qa8 Kd6 37. Be1) (36. c4) 36... Bf6 37. Kc2
Qd6 {not much option according to Dai & both Engines} 38. Qxd6+ Kxd6 39. Kd3 b5
40. a3 (40. Ke4 {Wh creates a passed Q side pawn, then enters vis f5, winning
pawns & maybe even the B,} Bg7 41. Bf2 a5 42. b3 Bf6 43. c4) 40... Kd5 41. b3
Be7 42. c4+ bxc4+ 43. bxc4+ Ke6 44. a4 Bc5 45. Ke4 a6 46. Bxe5 1-0

[Event "Welsh Seniors Merthyr Tyfil"]
[Site "?"]
[Date "2019.09.27"]
[Round "4.2"]
[White "Hurn, Robert AJ"]
[Black "Van Kemenade, R."]
[Result "0-1"]
[ECO "E98"]
[WhiteElo "1608"]
[BlackElo "1885"]
[Annotator "kemen"]
[PlyCount "62"]
[EventDate "2019.09.29"]

{[%evp 0,18,19,31,54,56,58,29,37,41,29,34,43,42,33,33,78,60,78,55,68]} 1. d4 d6
2. Nf3 Nf6 (2... f5 {expected by Wh} 3. Bf4 Nf6 4. h3 h6 5. e3 g5 6. Bh2 Bg7 7.
Bc4 e6 8. Nbd2 Qe7 9. c3 Nc6 10. Qc2 O-O 11. O-O-O {Hurn-Van Kemenade,Welsh
Seniors 2018,1/2-1/2}) 3. c4 g6 {A King's Indian, but one in which Wh can no
longer play his usual Saemisch} 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 7. O-O Nc6 8. d5
Ne7 9. Ne1 Ne8 (9... Nd7 {main}) 10. Nd3 (10. Be3 f5 11. f3 f4 12. Bf2 {
gets to f2 in 2 moves} g5 {main, eg M Davies-Van Kemenade, S Wales Autumn 2012,
0-1}) 10... f5 11. f3 (11. Bd2 Nf6 12. f3 {main}) 11... f4 12. b4 {perhaps a
waste of a move, as Wh can play c5 without it} (12. Bd2) (12. c5 {main lines})
12... g5 13. c5 (13. g4 {has been played as well}) 13... Ng6 (13... h5 14. Nf2
Nf6 15. Bd2 Rf7 16. Rc1 Ng6 {is another possibility} 17. h3 Bf8 18. cxd6 cxd6
19. a4 Rg7 {and Bl usually gets g4 in anyway}) 14. Bd2 Rf7 15. Be1 $146 {
yet the Stockfish9 Engine was looking at this position in July 2018.} (15. Rc1
{2-0, though Wh was the higer rated player}) (15. Nb5 Bf8 16. Rc1 h5 {0-1
though Wh was the higher rated player}) (15. Kh1 $16 {Komodo13, though with
longrange manouevrings going on, Engines are less welladapted compared to
their superb tactical ability}) 15... Bf8 16. Bf2 {taking 3 moves to get to f2}
h5 17. a4 Nf6 {and Deep Shredder 12 was looking at this position in April 2019.
} (17... h4 {a Komodo13 suggestion, is met by} 18. h3 {and lacking g4 Bl will
have great difficulty breaking in}) 18. Rc1 (18. c6 $5) 18... g4 19. cxd6 (19.
Qe1 gxf3 20. Bxf3 $11 {Stockfish190817 in aug 2017.}) 19... cxd6 20. Be1 (20.
Re1 Bh6 21. Rc2 g3 22. hxg3 fxg3 23. Bxg3 h4 24. Bf2 Nh5 $11 {Komodo13}) 20...
Rg7 $11 (20... Bh6 $5) 21. Kh1 Nh8 $5 (21... g3 {Komodo13, considered} 22. hxg3
fxg3 23. Bxg3 h4 24. Be1 Nh5 25. Rg1 Qg5 $11 {with open lines as compensation
for the pawn}) 22. Bh4 a6 $5 (22... Be7 {Bl was concerned about a N invasion
on b5, but that is no real threat} 23. Nb5 (23. Bxf6 Bxf6 {and c7 is covered
again}) 23... Ne8) 23. b5 (23. a5 Ng6 (23... Be7 24. Na4 Rb8 25. Nb6 {and Wh
removes the Bl QB which is needed for a possible sacrifice on h3}) 24. Bg5 Nh8
25. Bh6 Rg6 26. Bxf8 Kxf8 27. Na4 Nf7 28. Nb6 Rb8 29. Nxc8 Rxc8 30. Rxc8 Qxc8
$11 {Komodo13}) 23... Be7 24. Be1 (24. bxa6 bxa6 25. Nb4 Qf8 26. Nc6 {gives Wh
a lot of Q side play} g3 27. hxg3 Ng6 28. Bg5 fxg3 29. Bh6 Nd7 30. f4 Nxf4 31.
Bxg7 Qxg7 $17 {gives Bl a lot of K side play, as Komodo13 recognises when it
gets there}) 24... axb5 (24... Nf7 25. bxa6 Rxa6 26. Nb2 gxf3 27. Bxf3 Ng5 $11
{Komodo13}) 25. Nxb5 Ne8 26. Qb3 {Wh has a tactical threat of Nxe5, but Bl
could ignore it} Nf7 (26... Bh4 27. Rc2 (27. Nxe5 dxe5 28. d6+ Kh7 29. Nc7 Bxe1
30. Nxe8 Qxe8 31. Rfxe1 Qg6 $19 {Komodo13, but the d pawn needs watching})
27... Nf7 28. Qb4 Bxe1 29. Rxe1 Ng5 30. Bd1 Kh8 $15 {Komodo13, but Bl has
whatever play there is}) (26... g3 27. Rc2 Bf8 28. Rxc8 {otherwise the B will
sac on h3} Rxc8 29. h3 Nf7 $15 {Komodo13, but Bl has all the chances}) 27. Bb4
{on the move again} (27. Na3 Bh4 28. Nc4 Bxe1 29. Nxe1 (29. Rfxe1 Qh4 30. Qb6
Ng5 $15) 29... Qh4 30. Qb6 Rxa4 31. Nxe5 g3 32. Qg1 dxe5 33. Rxc8 Nfd6 34. Rc1
Ra2 35. Rc2 Rxc2 36. Nxc2 Rc7 37. Nb4 $11 {Komodo13}) 27... Bh4 (27... g3 28.
Be1 (28. Rfd1 gxh2 29. Rc2 Bd7 30. Bf1 h4 $17) 28... Bf8 $19 {Komodo13}) (27...
Bf8 {Julie & Komodo13} 28. Rg1 g3 29. Rxc8 Qh4 30. h3 Ng5 31. Bf1 Rxc8 $17) 28.
Rc2 (28. Kg1 g3 29. h3 Bxh3 30. Qc3 Bd7 31. Nc7 Rc8 32. Ba5 Be7 33. Nxe8 Qxe8
34. Qb3 h4 $19 {Komodo13}) (28. fxg4 hxg4 29. Bd2 Bg3 30. Nxf4 exf4 31. Bxf4
Bxf4 32. Rxf4 Ne5 33. Rcf1 Qe7 $17 {Komodo13}) 28... Bg3 $19 29. Be1 (29. fxg4
Qh4 30. h3 hxg4 31. Bxg4 Bxg4 32. Nf2 Bxh3 33. Nxh3 Ng5 $19 {Komodo13}) 29...
Qh4 30. Bxg3 {the 9th and last move of the B} fxg3 31. h3 gxh3 (31... gxh3 32.
f4 hxg2+ 33. Kxg2 Qh3+ {all moves are with ch} (33... Qh2+ {a more complex
line that gives Wh a choice on move 35} 34. Kf3 g2 35. Bd1 gxf1=Q+ 36. Ke3 Rg3+
37. Bf3 Rxf3#) 34. Kf3 g2+ 35. Kf2 Qg3+ 36. Kg1 gxf1=Q+ 37. Kxf1 Qg1#) 0-1

[Event "Welsh Seniors Championship"]
[Site "Merthyr Tydfil"]
[Date "2019.09.29"]
[Round "4.3"]
[White "Phillips, William"]
[Black "Pinch, David"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1894"]
[BlackElo "1646"]
[Annotator "kemen"]
[PlyCount "37"]
[EventDate "2019.??.??"]

{[%evp 0,37,58,28,25,19,27,19,19,19,19,13,24,3,0,-21,16,16,16,7,7,9,4,14,23,23,
23,36,31,-20,-23,-23,-9,-63,-16,-42,-42,-44,-38,-47]} 1. e4 e6 2. d4 d5 3. exd5
exd5 {the Exchange variation of the French has a drawish reputation} 4. Nf3 (4.
Bd3 Bd6 5. Ne2 {is an older variant}) 4... Nf6 (4... Bd6 5. Bd3 Ne7) 5. Be2 (5.
Bd3 {more active}) (5. c4 {a modern aggressive line, much played by Normunds
Miezis in particular}) 5... Be7 (5... Bd6) 6. O-O O-O 7. c4 c6 (7... dxc4 {
gives Wh an IQP, as in the previous rd; main line}) 8. Nc3 Be6 (8... dxc4 {main
}) 9. b3 (9. c5 {alternative}) 9... Nbd7 10. Bb2 (10. Qc2 {Cloud Engines,1.5-0.
5}) 10... Re8 11. Qc2 (11. Ng5 Nf8 12. Nf3 Qc7 13. Ne5 Rad8 14. f4 Bf5 15. c5
Ne4 16. Rc1 Nd7 17. g4 Nxc3 18. Rxc3 Be4 $15 {Urban-Jaroch, KPZ ch,Ciechocinek
2002,0-1}) 11... Nf8 (11... Bd6) (11... Nh5) 12. Rad1 Ng6 13. Ne5 Qc8 (13...
Nf4 14. Bf3 Qc7 $11 {Komodo13}) 14. Nxg6 hxg6 $15 15. Bd3 Qd7 16. Ne2 Bf5 (
16... dxc4 17. bxc4 Bd6 $15 {Komodo13}) 17. Ng3 Bxd3 18. Qxd3 Bd6 19. c5 (19.
c5 Bxg3 20. hxg3 Ne4 $15 {the N is far better than the B stuck behind its own
pawns}) (19. c5 Bc7 20. Rfe1 Nh7 21. Rxe8+ Rxe8 22. Bc1 Nf8 23. b4 Ne6 $15)
1/2-1/2

[Event "Welsh Seniors Championship"]
[Site "Merthyr Tydfil"]
[Date "2019.09.29"]
[Round "5.1"]
[White "Pinch, David"]
[Black "Penny, Liam"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "1646"]
[BlackElo "1674"]
[Annotator "kemen"]
[PlyCount "119"]
[EventDate "2019.??.??"]
[WhiteTeam "Wales"]
[WhiteTeamCountry "WLS"]

{[%evp 0,119,35,13,24,6,6,6,7,2,-3,9,0,-15,-10,-16,-16,-23,-23,-17,-22,-62,-62,
-37,-49,-49,-24,-19,-23,-20,-27,-21,0,-53,-51,-51,-30,-42,-42,-40,-42,-32,-43,
-54,-51,-55,-56,-65,-72,-69,-60,-69,-70,-77,-75,-75,-75,-80,-66,-82,-81,-74,
-73,-90,-95,-84,-87,-89,-93,-95,-96,-99,-93,-91,-87,-98,-76,-108,-91,-90,-108,
-108,-108,-114,-108,-127,-115,-127,-127,-127,-123,-116,-130,-124,-122,-122,
-105,-141,-110,-122,-18,-185,-163,-180,-5,-5,-4,-4,-4,-4,0,0,0,-4,-4,-6,-4,-4,
-4,-6,-4,-3]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 (5. Qa4+ {regains
the pawn immediately-R [Note-all other comments are by David]}) 5... Nc6 (5...
a6 {more frequent} 6. O-O Nc6 7. e3 {as found in top GM practice-R}) 6. O-O (6.
Qa4 {the only move discussed in the most Theory books, eg Avrukh & Bolgan
recently.} Bb4+ 7. Bd2 Nd5 8. Bxb4 Ndxb4 9. O-O Rb8 10. Na3 O-O (10... a6 11.
Ne5) 11. Qb5 {main line of the GMs-R}) 6... Be7 (6... Rb8 {Davies 2009
discusses this as the main reason against the 'nonchalant' 0-0.Bl can now
retain the pawn & life gets complicated.} 7. Nc3 (7. a4 a6 {only scores 38%
for Wh}) 7... b5 8. Ne5 (8. e4 {not as good as Bl has saved on not playing a6
compared with other lines}) 8... Nxe5 9. dxe5 Nd7 {and now Davies backs the
lessplayed} 10. Bf4 {as in Miton-Charbonneau,Montreal 2007,1-0 -R}) 7. Qc2 $5 {
Same principle is 7.Qa4, which retains the d4 pawn. White wins 67% with Qa4.  
[ not discussed in the Theory books. The move has featured in 3 games in all
of which the Bl player declined the pawn, & suffered 2 losses & got 1 draw !
-R]} Nxd4 8. Nxd4 Qxd4 {the various Cloud Engines agree that Wh has just
enough compensation for the pawn, though there are a variety of moves given
next -R} 9. Rd1 $11 {main Cloud Engine choice- R} (9. Be3 $11) (9. Nd2 $11) (9.
Na3 $11 {-R}) 9... Qb6 10. Qxc4 (10. Nd2 $11) (10. Na3 $11 {both Komodo13-R})
10... Bc5 (10... c6 $15 {Komodo13}) 11. e3 Bd7 12. Nc3 {Now and later white
can regain the pawn by 12.Bxb7 Qxb7 13.Qxc5, but white's bishop is more
valuable than black's} (12. Bxb7 Qxb7 13. Qxc5 Qf3 14. Rd4 (14. Rxd7 Nxd7 15.
Qxc7 O-O $19) 14... Bc6 $19 {Komodo13- R}) 12... O-O (12... O-O-O $15 {Komodo13
}) 13. b3 Rfd8 14. Bb2 Be7 {[Houdini B0.26 best]} 15. Rac1 Rac8 16. Ne2 {
Intending to occupy d4, but it only leads to exchanges.} (16. Ne4 $11) (16. Na4
$11 {Komodo13}) 16... Bb5 17. Qc2 Bxe2 (17... c5 $17 {Komodo13-not giving Wh
the 2 Bs- R}) 18. Qxe2 Rxd1+ 19. Rxd1 {[Houdini B0.38 best]} c6 20. Rd4 Rd8 21.
Qd2 Rxd4 22. Bxd4 Qd8 23. Qc2 a6 24. Bf3 {[Houdini B0.67 best]. Black's
advantage has increased due to exchanges} Nd5 (24... Qd6 25. Kg2 Nd7 26. Bc3
Bf6 $17 {Komodo13, with further exchanges & getting rid of the 2 Bs- R}) 25.
Kg2 Bf6 26. Qc4 {[Houdini B0.86 best Bc5 B0.66]} Bxd4 27. Qxd4 h6 28. a4 {
28.e4? falis to Nf4+, losing the Q. 28.a4 aims to stymie black's pawn majority.
} Qe7 (28... Qb6 $17 {Komodo13}) 29. h4 Qb4 {The best way to swap Q's is to
put your own in a central dominating position. White wanted the dominance, but
not the swap.} 30. Qxb4 {[Houdini B1.08 best Qe5 B0.67]} Nxb4 31. Kf1 {Rushing
over to the Q-side} Kf8 $19 {Komodo13 & Rudy- the N is much superior to the B
as it can force the K away. The Bl plan should simply be to push the extra
pawn to become passed, then sacrifice it to get access to the K side pawns. _R}
32. Ke2 a5 (32... Ke7 {-R}) 33. Kd2 Ke7 34. Be2 {Preventing b5, although
perhaps it was important for the wh K to occupy c4 before the Bl K gets there.
[ The Wh K will not be able to stay on c4 long, as Bl can evict it with Nd6ch
(which also supprts b5)- R} Kd6 35. Kc3 Ke5 $2 {I expected Kc5, followed by b5,
to get the Q-side majority moving. Instead Bl is going K-side but the Wh B
prevents penetration.} 36. Kc4 Kd6 37. Bf3 {There is nothing that Wh can do
now except to await events.} f5 (37... Nd5 38. e4 Nf6 39. Bh1 Ng4 40. f3 (40.
f4 e5 41. f5 Ne3+ 42. Kd3 Nf1 43. g4 Kc5 {the B has become a bystander}) 40...
Ne5+ 41. Kd4 b5 $19 {Komodo13-R}) 38. Be2 {[Houdini best g4 B1.45]} e5 {
Black's strategy is clear now. He wants to swap off all K-side pawns bar one,
the e3 pawn, which wh will have difficulty defending. This uses the principle
of 'two weaknesses'. [True, but if the strategy of sacrificing the outside
pawn is followed, there will be 4 Wh pawns as target. The basic priciple is if
you want to win endings , keep as many pawns on as possible, but swap pieces (
& vice-versa if you want to draw) _R} 39. Bh5 $2 {Perhap now was the time for
39.h5. Houdini prefers g4.} (39. h5 Nd5 40. Bf1 Nf6 41. Be2 Ng4 42. e4 (42.
Bxg4 fxg4 43. e4 b6 44. b4 axb4 45. Kxb4 Kc7 46. Kc4 Kb7 47. Kb4 Ka6 48. Kc4
Ka5 49. Kb3 b5 50. axb5 Kxb5 {is a simple K & P ending, where Bl will wipe out
all 4 of Wh's K side pawns (if he chooses)_R}) 42... Nxf2 43. exf5 Ne4 44. g4
Nf6 45. Bd1 e4) 39... e4 {Threatening Nd3, winning the f2 pawn and the game.}
40. Be2 b6 (40... g5 41. hxg5 hxg5 42. g4 Nd3 43. gxf5 (43. Bxd3 exd3 44. Kxd3
fxg4) 43... Nxf2 44. f6 g4 45. Bf1 Ke6 46. Kd4 (46. Kc5 Kxf6 47. Kb6 Nd1 48.
Kxb7 Nxe3 49. Be2 g3 {and Bl Qs long before Wh-Komodo13}) 46... Kxf6 $19 {-R})
41. Bf1 Ke5 {Whites King now has no moves} 42. Be2 g5 (42... Nd5 43. h5 Nf6 44.
Bd1 Ng4 45. Bxg4 fxg4 46. Kc3 Kd5 {is a simple win-R}) 43. hxg5 hxg5 44. Bf1 f4
(44... Nd3 $19 {Komodo13} 45. f3 (45. Bxd3 exd3 46. Kxd3 g4 47. Kd2 Ke4 {
and Bl mobilizes the extra pawn on the Q side to demolish the Wh K side}) 45...
Nb2+ 46. Kc3 exf3 47. Kxb2 (47. Kd2 Ke4 48. Ba6 f2 49. Ke2 f1=Q+ 50. Kxf1 Kxe3)
47... Ke4 {and the Wh K is too far away-Komodo13 & R}) 45. gxf4+ gxf4 46. exf4+
$1 {Black has reduced it to one pawn each but it is the f2 pawn, not the e3
pawn. It takes black's N three moves to be in a position to attack it, giving
white's B time to get into position to prevent it.} Kxf4 47. Be2 {The Bishop
can also prevent incursion by the K.} Ke5 ({With fewer pawns Bl has made life
more difficult for himself- & also created an e pawn that could become a
target of K & B} 47... Nd5 48. Kd4 Nf6 49. Bd1 Nh7 (49... Ne8 50. Be2 (50. Bh5
Ng7 $19 51. Bf7 Nf5+ 52. Kc3 Kf3 53. Be6 Kxf2 54. Bxf5 e3 55. Bg4 e2 56. Bxe2
Kxe2 $19) 50... Ng7 51. Kc4 Nf5 52. Kc3 Ke5 53. Bd1 Kd5 54. Bh5 Kc5 55. Bg6 Nd6
56. Bh5 b5 57. axb5 cxb5 58. b4+ {best chance} (58. f3 e3 59. Kd3 a4 $19 {
Komodo13}) 58... axb4+ 59. Kb3 Nb7 60. Bg6 Na5+ 61. Kb2 Kd4 62. Be8 b3 63. Bxb5
Kc5 64. Be8 Kb4 65. Bg6 Nc4+ 66. Kc1 {and Bl cannot win because of the
vulnerability of the e pawn-Komodo13 nudged_ R}) 50. Bh5 Ng5 51. Be8 c5+ 52.
Kd5 Nh3 53. Kc6 Nxf2 54. Kxb6 c4 $1 {cuts off the B from e2} 55. bxc4 e3 56.
Bh5 Ng4 57. Bxg4 Kxg4 58. c5 e2 59. c6 e1=Q 60. c7 {is actually a draw!
Nalimov endgame table bases, analysis Komodo13 & Stockfish10. _R}) 48. Bf1 Nd5
49. Be2 b5+ (49... Nf4 {forces Wh into zugzwang} 50. Bf1 Kf5 51. Kd4 Ne6+ 52.
Ke3 (52. Kc3 Kf4 53. Bc4 Ng5 54. Kd2 Nf3+ 55. Ke2 b5 56. axb5 cxb5 57. Bg8 b4
58. Bf7 Nd4+ 59. Kd2 Ke5 60. Bg8 Nf5 61. Ke1 Kd4 62. Kd2 Nd6 63. Be6 Nb7 64.
Bg8 Nc5 65. Bf7 Nd3 66. Ke2 Kc3 $19 {Komodo13}) 52... Ke5 53. Bg2 (53. Bh3 Nd4
54. Bg2 Nf5+ 55. Kd2 Kd4 $19 (55... Nh4)) 53... Nc5 54. Bh1 Nxb3 55. Bxe4 Kd6
56. Bc2 Nc5 57. Kd4 b5 58. axb5 cxb5 {Black mates in 34-Lomonosov tablebases_ R
}) 50. axb5 cxb5+ 51. Kc5 $1 {51.Kxb5? Nc3+ picks up the Bishop.} a4 {the
wrong pawn! Bl needs to keep the b3 pawn as a target, not swap it off,
diminishing the number of pawns on the board._R} (51... b4 $1 52. Bc4 (52. Kc4
Nc3 53. Bg4 Kf4 54. Bh5 Kg5 55. Be8 Kg4 56. Bd7+ Kf3 57. Be8 Kxf2 $19) 52...
Nf4 53. Kb5 Kd4 54. Kxa5 Nd3 (54... Kc3 {plays safe} 55. Bf1 Kxb3 56. Ba6 Kc3
57. Bb7 b3 58. Bxe4 Nd3 $19) 55. Kb6 Nxf2 $19 {Komodo13 _R}) 52. bxa4 bxa4 53.
Bc4 {Gets on the pawn's diagonal with tempo [ this move & Kc4 draw according
to Lomonosov Tablebases; all others lose_R ]} Nc3 54. Kb4 {Houdini is now
assessing it as a draw.} Kd4 55. Ba6 {The K is monitoring the pawn.} Nd1 56.
Kxa4 Nxf2 {One pawn left so white can draw by swapping the Bishop for the pawn.
} 57. Be2 {Necessary, else black plays Nd3 and the pawn can pass.} (57. Kb3 Nd3
58. Bc8 e3 59. Bg4 {also draws_R}) 57... e3 {If Ke3 instead then the Bishop
goes to the other side, such h5. Houdini} (57... Ke3 58. Bf1 {is simpler_R})
58. Kb3 Nd3 59. Bf1 Nf4 60. Kc2 {Draw agreed} 1/2-1/2

[Event "Welsh Seniors Championship"]
[Site "Merthyr Tydfil"]
[Date "2019.09.29"]
[Round "5.2"]
[White "Van Kemenade, R."]
[Black "James, Dai"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1885"]
[BlackElo "1858"]
[Annotator "kemen"]
[PlyCount "87"]
[EventDate "2019.??.??"]

1. e4 e6 2. d3 c5 (2... d5 3. Qe2 Be7 4. Nf3 Nf6 5. g3 c5 (5... O-O 6. Bg2 c5
7. e5 Nfd7 8. O-O {Van Kemenade-James, WLS blitz 2019,1-0}) 6. Bg2 Nc6 7. O-O
d4 8. e5 {Van Kemenade-James, ECF qual blitz, Cardiff 2018,1-0}) 3. Nf3 Nc6 {
main} (3... b6 4. g3 Bb7 5. Bg2 d6 6. O-O Qc7 7. Re1 Nf6 8. c3 c4 9. e5 dxe5
10. Qa4+ Nbd7 11. Qxc4 Qxc4 12. dxc4 e4 {Van Kemenade-James,Welsh Seniors 2016,
1/2-1/2}) (3... d6 4. g3 Nf6 5. Bg2 Be7 6. O-O O-O 7. Re1 Nc6 8. c3 e5 9. h3
Ne8 10. d4 Qc7 11. Na3 a5 12. dxc5 dxc5 13. Nc4 {Van Kemenade-James,Welsh
Seniors 2017,1-0}) (3... d6 4. g3 Qc7 5. Bg2 Nf6 6. O-O Be7 7. Re1 O-O 8. c3
Nc6 9. d4 d5 10. exd5 exd5 {Van Kemenade-James, Welsh Seniors 2018,0-1}) 4. g3
g6 5. Bg5 (5. Bg2 {main}) 5... Nge7 $6 (5... Qb6) (5... Qc7) 6. Bf6 Rg8 7. Bg2
(7. Nc3 d6 (7... Rb8 8. a4 (8. e5 $18 {Stockfish10}) 8... a6 9. Bg2 d6 10. O-O
(10. Ng5 $18) 10... Bg7 11. Bxg7 Rxg7 12. Qd2 Nd4 13. Nxd4 cxd4 14. Ne2 e5 15.
Qh6 Kf8 16. f4 Kg8 (16... Ng8 $11) 17. h3 $11 {Ridge-Floros,SCO ch, Glasgow
2012,1/2-1/2}) 8. d4 Bg7 9. Bxg7 Rxg7 10. dxc5 dxc5 11. Nb5 Qxd1+ 12. Rxd1 Kf8
13. Bc4 {Carlier-Weil, Herlies op 1997,1-0}) (7. Qd2 Bg7 8. Bxg7 Rxg7 9. Qh6
Kf8 10. Ng5 Kg8 11. Nf3 e5 12. h4 d5 $11 {Balakrishnan-Acar, Wld ch U10,
Maribor 2012,1-0}) (7. Ng5 h6 8. Nh7 Bg7 9. Bg2 d6 10. Qd2 Rh8 11. Bxg7 Rxh7
12. Bxh6 $18 {Stockfish10}) 7... Bg7 8. Bxg7 Rxg7 9. e5 {probably too early} (
9. O-O) 9... Nf5 (9... g5 10. h3 Ng6 11. Nbd2 Ngxe5 12. Nxe5 Nxe5 13. O-O Qb6
14. Re1 Qxb2 15. Rb1 Qd4 16. Re4 Qd6 17. Re1 (17. Qh5 Qc7 18. Qh6) 17... f6 18.
Ne4 Qe7 19. d4 cxd4 20. Qxd4 Kf7 21. Nd6+ Kg8 22. Rxe5 (22. Rb5 $14) 22... fxe5
23. Qxe5 Rg6 24. c4 $14 {Komodo13}) 10. c3 d5 11. O-O (11. exd6 {original idea}
Qxd6 12. O-O $16) 11... f6 (11... g5 {making use of the R} 12. Re1 g4 13. Nfd2
b6 14. Na3 Kf8 $11 {Stockfish10}) 12. Re1 fxe5 (12... Kf8) 13. Nxe5 Nxe5 14.
Rxe5 $16 {Bl has ended up with a weak e6 & lost control over e5, though this
has been tried in related French positions, where Bl aims to get play
elsewhere.} Kf8 15. Nd2 Qf6 16. Qe2 (16. Nf3) (16. f4 {alternatives}) 16... Bd7
17. Re1 (17. Rf1 Kg8 18. f4 {Stockfish10}) 17... Kg8 (17... Re8 $2 18. Bxd5)
18. f4 (18. Nb3 {Stockfish10} Rc8 (18... b6 19. Rxd5 $1) 19. c4 dxc4 20. Nxc5
b6 (20... cxd3 21. Qxd3 Rd8 (21... Qe7 22. Nxe6) 22. Nxb7 $18) 21. Nxd7 Rxd7
22. dxc4 Nd4 23. Qd3 Rcd8 24. Qc3 $18 {Stockfish10}) 18... Rf8 19. c4 {trying
to force things} (19. Nf3 h6 20. Rf1 $16 {but there is no breakthrough visible
as the Bl pieces are very compact} b6 (20... d4 21. Rxc5) 21. d4 $16) 19... Nd4
20. Qf2 (20. Qd1 {was considered better in the pm analysis, as the Q becomes
vulnerable here.g5 is a constant possibility for Bl, & Stockfish10 plays it
here as well} g5 (20... Nc6 21. R5e2 (21. d4 $11 Nxe5 (21... cxd4 22. Rxe6 Bxe6
23. Rxe6 Qd8 24. cxd5 Ne7 25. Ne4 Nf5 26. g4 Nh4 27. Qxd4 $11) 22. dxe5 Qf7 23.
cxd5 exd5 24. Nb3 d4 25. Nxc5 $11) 21... Qxb2 22. cxd5 exd5 23. Bxd5+ Kh8 24.
Nf3 Qf6 $11 {Stockfish10})) 20... dxc4 (20... g5 21. cxd5 gxf4 22. Nb3 Nxb3 23.
axb3 exd5 24. Bxd5+ Kh8 25. Kh1 Bc6 26. Bxc6 Qxc6+ 27. R1e4 b6 $11 {Stockfish10
}) 21. Ne4 {an afterthought, missing the reply until move was actually played}
(21. Rxc5 {originally planned, but then the Q is left defending the N} Bc6 (
21... cxd3 22. Ne4 $18) 22. Ne4 (22. Rxc4 $16 Bxg2 23. Kxg2 Rd7 24. Ne4 Qd8 25.
Nc5 Rd5 26. Nxb7 $18) 22... Bxe4 23. Rxe4 Rd7 24. Rce5 Qd8 25. dxc4 $18 {
in the long run the extra Q side must win, though the N is very powerful on d4.
}) 21... Qxe5 $17 22. fxe5 Rxf2 23. Kxf2 cxd3 24. Nxc5 (24. Rd1 {Stockfish10}
Bb5 (24... c4 25. Ke3 Nf5+ 26. Kd2 b5 27. b3 Bc8 28. bxc4 bxc4 29. Rc1 Rc7 30.
Bf1 Nd4 31. Bxd3 Nf3+ 32. Ke3 Nxe5 33. Be2 Ba6 $17) 25. Nf6+ Kf8 26. b3 Rf7 27.
Be4 b6 28. Ke3 Nc2+ 29. Kd2 Nb4 30. a4 Bc6 31. Bxd3 Nd5 $19 {Stockfish10})
24... Rf7+ 25. Kg1 Bc6 (25... Bb5 $19 {Bl had dismissed this line because of}
26. a4 (26. h4 Rc7 27. Ne4 Rc2 28. Rd1 Rxb2 29. Rd2 Rc2 $19) (26. Rd1 Ne2+ 27.
Kh1 Rc7 $19) 26... Bc4 (26... Ne2+ 27. Kh1 Rc7 28. b4 b6 29. axb5 bxc5 30. bxc5
Rxc5 {Stockfish10 is even stronger}) 27. b3 {failing to notice that Bl can
just take the pawn} Nxb3 $19) 26. Nxd3 $11 Nf3+ {this turns out to be the
start of getting into a lost position. Visually the R & B combination looks
better for Bl, but Wh will proceed to show that the B is not capable of doing
much.} (26... Bxg2 27. Kxg2 Rd7 $11) 27. Bxf3 Rxf3 28. Nf4 Kf7 $2 (28... Bd5 {
had to be tried} 29. Nxd5 exd5 30. Rd1 Kf7 31. Rxd5 Ke6 32. Rd6+ Ke7 33. Rd4
Ke6 $11) 29. Rf1 {Wh forces off the Rs} Ke7 (29... g5 {trying to get the K out}
30. Nh5 Kg6 31. g4 a5 (31... Re3 $2 32. Rf6#) 32. Rxf3 Bxf3 33. h3 {though
this line makes it impossible for the Wh K to get through to the K side & also
means that h3 & g4 need protection} a4 34. Kf2 Bc6 35. a3 Bd5 36. Ng3 Bc6 37.
Ne2 Bd5 38. Nd4 Kg7 39. Kg3 Kg6 40. h4 gxh4+ 41. Kxh4 b6 42. Ne2 Kh6 43. Nf4
Bb3 44. Kg3 Bc4 45. Nh3 Bd5 46. Kf4 Kg6 {now Wh needs to persude the b6 pawn
to go to a wh square when the Wh K then has an entry via c5} 47. Ng1 Bb3 48.
Ne2 Bc4 49. Nd4 Bd5 50. Nb5 Bc4 51. Nc7 Bd5 52. Ne8 (52. Ke3 Bc4 (52... Kg5 $2
53. Nxd5 exd5 54. Kd4 $18) 53. Na8 Kg5 54. Nxb6 (54. Kf3 $2 Bd5+) 54... Bb3 55.
Kf3 Bd1+ 56. Kg3 Bb3 57. Nd7 Bd1 58. Nc5 Bxg4 59. Nxa4 h5 60. Nc5 h4+ 61. Kh2
Kf4 $11 {as the pawns are not far enough advanced}) 52... Bc4 53. Nd6 Ba6) (
29... Re3 $2 30. Nd5+ Rf3 31. Rxf3+ Kg7 32. Ra3 Bxd5 33. Rxa7 $18) 30. Rxf3
Bxf3 {What many people do not appreciate is that even when it gets out side
the pawn chain, a bad B remains bad, as it cannot support the rear. Meanwhile
the opposing K & N infiltrate; the N creating a pathway through for the K. Bl
has no control over the bl squares.Crucial to this is the pawns on e6 & e5- it
means the Bl K cannot come out, nor leave e6 for too long. in the absence of
these 2 pawns , it would indeed be a draw, with the B then slightly better
than the N.} 31. Kf2 Bd1 32. Ke3 (32. h4) (32. a3) 32... g5 {too late now} 33.
Nh3 h6 {(draw?)} 34. Nf2 Bh5 35. Kd4 (35. Ne4 Be8 36. Nd6 b6 37. Kd4 Kd7 38.
Kc4 (38. Ne4 Ke7 39. Nf6 Kf7 40. Kc4 Ba4 41. b3 Bc6 42. Kd4 Kg6 {holds}) 38...
Bg6 39. Nb5 a6 40. Nc3 Bf5 41. Kd4 Kc6 {holds}) (35. a3 {a wise precaution})
35... Bf3 36. Ke3 (36. a3 Kf7) (36. h4 gxh4 37. gxh4 Kf7 38. Ke3 Bd5 39. a3 Kg6
40. Kf4 b6 41. Kg4 Kg7 42. Nd3 Bb3 43. Nf4 Bd1+ 44. Kg3 Kf7 $11 {Komodo13})
36... Bc6 $2 (36... Bd5 37. a3 Kf7 $11) 37. Ng4 {forcing the pawns to come to
decision} h5 38. Nf6 Be8 (38... h4 39. Nh7 Bd5 40. a3 hxg3 41. hxg3 Kf7 42.
Nxg5+ Kg6 {Komodo13} 43. Kf4 $18) 39. Nh7 $18 Bc6 40. Nxg5 Bd5 41. a3 Kd7 42.
Nh7 (42. h4) 42... Kc6 43. Nf6 h4 44. Nxd5 (44. Nxd5 Kxd5 45. Kf4) (44. Nxd5
exd5 45. gxh4 (45. Kd4)) 1-0

[Event "Welsh Seniors Championship"]
[Site "Merthyr Tydfil"]
[Date "2019.09.29"]
[Round "5.3"]
[White "Hurn, Robert AJ"]
[Black "Phillips, William"]
[Result "1/2-1/2"]
[ECO "E80"]
[WhiteElo "1608"]
[BlackElo "1893"]
[Annotator "kemen"]
[PlyCount "29"]
[EventDate "2019.??.??"]

{[%evp 0,29,19,31,25,-16,57,4,7,14,10,20,19,-9,8,-10,8,-1,42,10,32,5,70,69,104,
57,48,28,81,59,166,98]} 1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 Nbd7 (5...
O-O) (5... c6) 6. Nh3 (6. Be3) (6. Bg5) 6... c5 (6... e5) 7. Be3 (7. d5 {
40 games, 70% for Wh}) 7... Qa5 $146 (7... O-O {transposes back to mainsteam
lines}) (7... cxd4 8. Bxd4 O-O 9. Nf2 {5 Wh wins, 3 draws, 2 Bl wins}) 8. Nf2 (
8. d5 {Komodo13}) 8... a6 9. Qd2 (9. dxc5 Nxc5 10. Rb1 Nh5 11. Qd2 (11. Bd4 Ne6
12. Bxg7 Nexg7 13. Qd2 $16) 11... Bxc3 12. bxc3 O-O 13. Be2 $16 {Komodo13})
9... h5 10. Be2 (10. dxc5 Nxc5 11. Rb1 Qc7 12. b4 Ncd7 13. Be2 $16 {Komodo13})
10... Rb8 11. O-O (11. dxc5) 11... h4 12. d5 (12. dxc5 Nxc5 13. Rab1 Qc7 14. b4
Ncd7 15. a4 $18 {Stockfish10}) (12. f4 $18 {Komodo13}) 12... Ne5 13. Rfc1 (13.
a3) 13... Qc7 (13... h3 14. g3 b5 $11 {both Engines}) 14. Rab1 e6 15. a3 $18 {
Stockfish10} (15. f4 $1 Ned7 16. dxe6 fxe6 17. Rd1 $18 {Stockfish10 & Komodo13}
(17. Nh3 O-O 18. Ng5 Re8 19. Rd1 $18 {Stockfish10-the Bl position is full of
holes})) 1/2-1/2

