[Event "Dyfed Open"] [Site "Fishguard"] [Date "2020.02.16"] [Round "5.1"] [White "Young, Alan J"] [Black "Williams, AH.."] [Result "1/2-1/2"] [ECO "C72"] [WhiteElo "2051"] [BlackElo "2246"] [Annotator "kemen"] [PlyCount "33"] [EventDate "2020.??.??"] [SourceVersionDate "2020.02.18"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O (5. c3) 5... Bd7 6. d4 (6. c3) 6... exd4 (6... Nf6) 7. Nxd4 b5 8. Nxc6 (8. Bb3 Nxd4 9. Qxd4 c5 10. Qd5 c4 { Noah's Ark, wins B}) 8... Bxc6 9. Bb3 Nf6 10. Nc3 (10. c4 {main, elite GMs}) 10... Be7 11. Re1 O-O 12. a4 b4 {the pawn gets weak} (12... Re8) 13. Nd5 Bxd5 (13... Nxd5 14. exd5 Bd7 {2 draws}) 14. exd5 Nd7 15. Be3 (15. a5 Nc5 16. Ba4 Rb8 17. Bc6 Bf6 18. Qe2 Bd4 19. Rb1 Qf6 20. Rd1 h6 21. Qd2 Rfe8 (21... Bc3 $1 {Finkel}) 22. Bxe8 Rxe8 23. Qf4 {Leko-Mamedyarov, Corus Wijk aan Zee 2006, 1-0}) 15... Bf6 16. Bd4 Nc5 17. Bc4 1/2-1/2 [Event "Dyfed Open"] [Site "Fishguard"] [Date "2020.02.16"] [Round "5.2"] [White "May, Frank"] [Black "Zeidler, Sven"] [Result "1/2-1/2"] [ECO "A26"] [WhiteElo "2019"] [BlackElo "2186"] [Annotator "kemen"] [PlyCount "138"] [EventDate "2020.??.??"] [SourceVersionDate "2020.02.18"] {[%evp 0,12,29,25,62,68,73,67,88,63,63,33,29,23,40]} 1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d3 (5. d4) 5... d6 6. c4 Nc6 7. Nc3 O-O 8. Rb1 a5 9. a3 e5 { transposed to English vs King's Indian from initial Leningrad Dutch} (9... Nh5) 10. b4 axb4 11. axb4 h6 12. b5 Ne7 13. Nd2 (13. Bb2) (13. Qb3) (13. c5) 13... f4 (13... g5 {main}) 14. Qb3 (14. Nd5 Nexd5 15. cxd5 g5 16. Qb3 b6 17. Bb2 {0-2 }) (14. Nde4 Nxe4 15. Nxe4 g5 16. Bb2 Nf5 {D Fletcher-Van Kemenade, Bradford Central-Huddersfield 1983,0-1}) 14... Kh7 (14... Nf5 {Stockfish11}) 15. Bb2 Rb8 {Bl need not fear a R exchange on the a file, as this removes the other R from the defence of f2.} (15... Nf5) 16. Nde4 Be6 (16... Ng4) 17. Nxf6+ Rxf6 18. Nd5 Nxd5 (18... Rf7) 19. cxd5 Bg4 20. Qd1 (20. f3 Bd7 21. d4 {Stockfish11- but it buries the Bg2}) 20... Qd7 (20... Rf7) 21. Bc3 (21. b6) 21... Bh3 ( 21... Rbf8 {Rudy}) 22. b6 Bxg2 23. Kxg2 c6 (23... c5 {Stockfish11}) 24. Qa4 Rf7 (24... Rc8 {Stockfish11-prevents Wh getting a passed b pawn}) 25. dxc6 Qxc6+ 26. Qxc6 bxc6 27. Rfc1 (27. gxf4 exf4 28. Rfc1 {Stockfish11} ) 27... Rfb7 (27... fxg3 28. hxg3 Rfb7 {Stockfish11}) 28. gxf4 Rxb6 ( 28... exf4 29. Bxg7 Kxg7 30. Rxc6) 29. Rxb6 Rxb6 30. fxe5 Bxe5 31. Bxe5 dxe5 32. Rc5 e4 (32... Rb5 {is a better try, suggests Stockfish11} 33. Rxc6 Kg7 $16 {the pawns are all on the same side, but e5 is a weakness}) 33. dxe4 Kg7 34. f4 Kf6 35. h4 Ke6 36. h5 {looks a little early} (36. Kf3) (36. f5+ { looks possible as it undoubles a pawn} gxf5 37. exf5+ Kd6 38. Ra5 Rb3 39. h5 c5 40. Ra6+ Ke5 41. Rxh6 Kxf5 42. Rc6 {only move to win, Lomonosov tablebases}) 36... Kd6 37. Ra5 g5 38. fxg5 hxg5 39. Rxg5 Rb2 (39... Rb7) 40. Kf3 (40. h6 Rxe2+ (40... Rb8 41. Kf3 c5 42. Rd5+ Kc6 43. h7 Rh8 44. Rh5 Kd6 45. Ke3) 41. Kg3 {Lomonosov tablebases}) 40... Rb1 41. Rg6+ (41. Kg4 {supports the most advanced pawn} Ke6 (41... Rh1 42. Kf5) 42. h6 Rh1 43. Rh5 {wins} (43. Rc5 {Stockfish11 even more forcing})) 41... Kd7 42. h6 c5 43. Rg5 (43. h7 { Stockfish11} Rh1 44. Ra6 Rf1+ 45. Kg4 Rf8 46. Kg5 c4 47. Kg6 (47. Rh6 Rh8 48. Kg6 c3 49. Kg7 c2 50. Rh1) 47... Re8 48. Ra7+ Kd6 49. Kg7 Ke5 50. h8=Q Rxh8 51. Kxh8 Kxe4 52. Kg7 Ke3 53. Re7+ Kd2 (53... Kd4 54. Kf6 c3 55. Rc7) 54. e4) 43... Rh1 44. Rxc5 (44. Rg6) 44... Rxh6 {dead drawn position, Nalimov tablebases. The extra half pawn should make no real difference.} 45. Ra5 Rh3+ 46. Kf4 Rh4+ 47. Ke3 Rh2 48. Ra6 Ke7 49. Ra2 Rh1 50. Kd4 Rd1+ (50... Ke6) 51. Ke5 {Stockfish11 thinks Wh is now winning, but the Nalimov tablebases show otherwise} Re1 52. Ra7+ Kf8 (52... Ke8 {would lose} 53. Ke6 Kf8 54. Ra2 Rb1 55. Ra8+ Kg7 56. e5) (52... Kd8 {also holds}) 53. Kf6 Rf1+ 54. Ke6 Rf2 {however this should also lose!} (54... Rf4 55. e5 Re4 {draws- Nalimov tablebases}) 55. Ra2 (55. e3 {only move to win} Rb2 56. Ra8+ {drives the K away} Kg7 57. e5 Rb6+ 58. Kd7 Rb7+ 59. Ke8 Rb6 60. Ra7+ Kg6 61. e4 Re6+ 62. Re7 Ra6 63. Kf8 Rb6 64. Rg7+ Kh6 65. Rd7 Kg5 66. Kf7 {Nalimov tablebases}) 55... Rh2 {still losing} (55... Rf4 {only move to draw- Nalimov}) 56. e5 Rh6+ 57. Kf5 {the wrong way though from Wh} (57. Kd7 {only way} Rh4 (57... Rh7+ 58. Kd6 {other moves draw} Rb7 59. Ra8+ Kg7 60. e6) 58. Ra8+ (58. e3) ( 58. Ra3) (58. Ra6 {all 3 also work, driving the Bl K away}) 58... Kg7 59. e6 $18 {Nalimov}) 57... Rb6 58. Ra8+ Ke7 59. Ra7+ Ke8 60. e6 Rb1 (60... Rb4 { is the only other move that also draws}) 61. Kf6 Rf1+ 62. Ke5 Rb1 {most moves now draw} 63. e4 Rh1 64. e7 (64. Rf7 Rh5+ 65. Kf6 Rh6+) 64... Rh5+ 65. Kf6 Rh6+ 66. Kg5 Rb6 67. Kf5 Rc6 68. e5 Rb6 69. e6 Rb5+ (69... Rxe6 70. Kxe6 { looks niftier}) 1/2-1/2 [Event "Dyfed Open"] [Site "Fishguard"] [Date "2020.02.16"] [Round "5.3"] [White "Jones, IC.."] [Black "Bourne, Johnathan"] [Result "0-1"] [ECO "E61"] [WhiteElo "2163"] [BlackElo "1904"] [Annotator "kemen"] [PlyCount "62"] [EventDate "2020.??.??"] [SourceVersionDate "2020.02.18"] {[%evp 0,22,19,-12,-12,-12,32,25,12,3,6,-1,5,-1,11,18,18,18,37,21,14,17,16,16, 17]} 1. c4 Nf6 (1... c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 Nh6 6. Nge2 Nf5 7. O-O a6 8. d3 Rb8 {Jones-Rooze, World Seniors 65+, 2019,0-1}) 2. Nc3 g6 3. g3 Bg7 4. Bg2 c5 (4... O-O 5. e3 d6 6. Nge2 e5 7. O-O Nc6 8. d4 Bf5 9. d5 Ne7 10. e4 Bd7 11. f4 exf4 12. Bxf4 Ng4 13. Qd2 Kh8 14. h3 Ne5 15. b3 a6 {Jones-Can, EU ch tm 2011, 0-1}) 5. e3 (5. Nf3 {main}) 5... Nc6 6. Nge2 O-O 7. O-O d6 8. d4 cxd4 9. exd4 Bf5 10. h3 h5 {66% for Wh in 71 games} 11. Bg5 (11. Be3 { also}) 11... Rc8 12. b3 Qd7 13. Kh2 Nh7 (13... Rfe8 14. d5 Nb4 15. Nd4 Bd3 16. Re1 Ng4+ 17. hxg4 Bxd4 18. Qd2 Qxg4 19. Bh3 (19. Ne4 Bxa1 20. Bh3 Nc2 21. Bxg4 Nxe1 22. Bxh5 Bxe4 23. Qxe1 Be5 24. Qxe4 gxh5 25. Qh4) 19... Qf3 20. Be3 Nc2 (20... Be5 21. Bh6 Nc2 22. Rxe5 dxe5 23. Bg2 Nd4 24. Re1 h4 { Stockfish11}) 21. Bxd4 {Pirisi-Meszaros, HUN ch tm 2008,1-0}) 14. Be3 Nb4 15. Ne4 (15. Rc1) 15... d5 16. cxd5 (16. a3 Na6 (16... Bxe4 17. Bxe4 dxe4 18. axb4 b5 19. c5 Rfd8 20. Qd2 Nf6 21. Nc3 Qb7 22. Rfd1 Nd5 23. Nxd5 Rxd5 $11 {Stockfish11})) 16... Nxd5 (16... Bxe4 17. Bxe4 Nf6 18. Bg2 Nfxd5) 17. Bd2 (17. Nc5 Qc6 (17... Rxc5 18. dxc5 Nxe3 19. fxe3 Qc7 20. Rc1 h4 21. Kh1 hxg3 22. Qd5 {Stockfish11}) 18. Nf4 Nhf6 19. Qf3 Rfd8 20. Rac1 Qb6 21. Nxd5 Nxd5 22. Rfd1 Rc7) 17... b6 {the IQP gets in Wh's way} 18. Rc1 Rxc1 19. Bxc1 Rc8 20. Re1 Nhf6 21. Nxf6+ Bxf6 22. Bd2 (22. Nf4 Nb4 23. Be3 Bg7 24. Qd2 Qd6 25. Qe2 Nc2 26. Rd1 Nxd4 27. Qa6 e5 {Stockfish11}) 22... Bc2 (22... g5 $19) 23. Qa1 Bd3 (23... g5) 24. Nc1 (24. Bxd5 Qxd5 25. Nf4 Qb5 26. Nxd3 Qxd3 27. Be3 Rc2 {Stockfish11}) 24... Bf5 25. h4 (25. a4 Rc2 26. Re2 e6 27. Be1 Qc8 28. Rxc2 Qxc2 29. Bxd5 exd5 30. Qc3 Qd1 {Stockfish11}) 25... Rc2 (25... Nb4 26. Ne2 (26. Bxb4 Bxd4 27. Rxe7 Bxa1 28. Rxd7 Bxd7) 26... Nc2 27. Qd1 Nxe1 28. Qxe1 Rc2 {Stockfish11}) (25... Nf4 26. Bxf4 Bxd4 27. Rxe7 Bxa1 28. Rxd7 Bxd7 {Stockfish11}) 26. Rd1 Bg4 27. f3 Bf5 28. Kg1 Qd6 29. Kf2 Nc3 (29... Nf4) (29... Qb4) 30. Ne2 Bxd4+ 31. Kf1 (31. Nxd4 Qxd4+ 32. Kf1 (32. Ke1 Qg1+ 33. Bf1 Qxg3#) 32... Bd3+ 33. Ke1 Qg1+ 34. Bf1 Qxf1#) 31... Nxe2 0-1 [Event "Dyfed Open"] [Site "Fishguard"] [Date "2020.02.16"] [Round "5.4"] [White "Heap, Gerry"] [Black "Harding, Gareth"] [Result "1/2-1/2"] [ECO "A14"] [WhiteElo "2111"] [BlackElo "1557"] [Annotator "kemen"] [PlyCount "59"] [EventDate "2020.??.??"] [SourceVersionDate "2020.02.18"] {[%evp 0,19,18,-5,2,-12,22,5,6,9,14,-6,42,17,29,12,19,8,29,20,35,17]} 1. g3 d5 2. Nf3 e6 3. Bg2 Nf6 4. O-O Be7 5. c4 c6 6. b3 O-O 7. Bb2 Nbd7 8. Qc2 (8. d4) 8... Re8 9. d3 c5 (9... Bf8) (9... Bd6) 10. Nbd2 (10. e4 {Stockfish11} d4 11. e5 Ng4 12. Qe2 Nh6 13. Bc1 f5 14. Bxh6 gxh6 15. h4 {Caravaggi-Bouton,Paris ch op 2002,1-0}) (10. e3 b6 11. Nbd2 Bb7 12. Rad1 Rc8 13. Ne1 Qc7 14. Ndf3 Bf8 15. Rc1 Qb8 16. cxd5 Nxd5 17. Qc4 N5f6 18. Ng5 {Wiese-Martens, Mecklenburg VP 2002, 1-0}) 10... d4 11. b4 (11. e3 e5 12. exd4 exd4 13. b4 {Stockfish11}) 11... e5 12. bxc5 Bxc5 13. Nb3 Qc7 (13... Bf8 14. a4 Rb8) 14. Nfd2 (14. Rfc1 Rb8 15. a4 b6 16. a5 bxa5 17. Nxa5 Re6 18. Nb3 Reb6 19. Nfd2 a6 20. Ba3 Bxa3 21. Rxa3 Nc5 22. Nxc5 Rb2 23. Qd1 Qxc5 24. Ra4 Qc7 25. Rc2 { Mamonovas-Voveris, LTU ch email ICCF 2007,1-0}) 14... Rb8 15. a4 b6 16. a5 Bb7 17. axb6 Qxb6 (17... Bxb6) (17... axb6) 18. Nxc5 Nxc5 19. Rfb1 (19. Bxb7 Qxb7 20. Rfb1) 19... Qc7 (19... Bxg2 20. Kxg2 Qc6+ 21. f3 Ra8 {Stockfish11}) 20. Rxa7 Qb6 21. Raa1 Bxg2 22. Kxg2 Qc6+ 23. Kg1 (23. f3 Ng4 24. Nf1 h5 25. Ba3 Rxb1 26. Rxb1 Nd7 27. h3 Ngf6 28. Rb5 {Stockfish11}) 23... Ng4 24. Ba3 Ne6 25. Ne4 (25. Rxb8 Rxb8 26. Rb1 Ra8 27. Qb3 {Stockfish11}) (25. Nf3) 25... f5 26. Nd6 Ng5 27. f3 Nh3+ (27... Ne3) 28. Kh1 Nhf2+ 29. Kg1 Nh3+ 30. Kh1 1/2-1/2 [Event "Dyfed Open"] [Site "Fishguard"] [Date "2020.02.16"] [Round "5.5"] [White "Richmond, Jane"] [Black "Garcia, Jason"] [Result "1/2-1/2"] [ECO "A14"] [WhiteElo "2101"] [BlackElo "2029"] [Annotator "kemen"] [PlyCount "40"] [EventDate "2020.??.??"] [SourceVersionDate "2020.02.18"] {[%evp 0,18,29,17,19,-19,4,-24,-24,-18,-10,-4,10,-7,4,-14,-19,2,1,-12,-14]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 (6. d4) 6... c5 7. e3 Nc6 8. Bb2 a6 (8... b6) 9. cxd5 exd5 (9... Nxd5 {scores better for Bl}) 10. d4 Bg4 11. dxc5 Ne4 (11... Bxc5 {4 Wh wins, 2 draws, 2 Bl wins}) 12. Nc3 { Stockfish11} (12. h3 {Stockfish11} Bh5 13. b4 Bf6 14. Qb3 a5 15. g4 Bg6 16. b5 Nb4 17. Bd4 Nxc5 18. Bxc5 Bxa1 19. Bxf8 Kxf8 20. Nd4 Bd3 { Kostanjsek-Alexander, Bled op 1998.1-0}) 12... Bf6 13. Qc1 Nxc5 14. Rd1 Nb4 15. Nxd5 Nxd5 (15... Bxb2 16. Qxc5 Nxd5 17. Rab1 Qf6 18. Rxd5 Rac8 19. Qd6 Be6 20. Rdd1 {Stockfish11}) 16. Bxf6 (16. Qxc5 Bxb2 17. Rab1 (17. Rxd5 Bxa1 18. Rxd8 Rfxd8 19. h3 Rac8 20. Qb6 Rd1+ 21. Kh2 Bxf3 22. Bxf3 Rd7 23. Kg2) 17... Qf6 18. Rxd5 {Stockfish11}) 16... Qxf6 {Wh spent quite some time thinking here} 17. Rxd5 Ne4 (17... Rac8 18. Qd1 Rcd8 19. Rd4 Ne6 20. Rxg4 Rxd1+ 21. Rxd1 Qb2 22. Ra4 b6 (22... g6) 23. Rxa6 Qe2) 18. Ne5 Qxf2+ (18... Nxf2) 19. Kh1 Nf6 20. Nd3 Qe2 (20... Qe2 21. Bf1 Qf3+ 22. Bg2 Qe2 23. Bf1) 1/2-1/2 [Event "Dyfed Open"] [Site "Fishguard"] [Date "2020.02.16"] [Round "5.6"] [White "Hewitt, William"] [Black "Powell, Lloyd"] [Result "1/2-1/2"] [ECO "B22"] [WhiteElo "1990"] [BlackElo "2064"] [Annotator "kemen"] [PlyCount "31"] [EventDate "2020.??.??"] [SourceVersionDate "2020.02.18"] {[%evp 0,27,40,18,46,48,66,6,42,27,27,27,27,27,27,27,59,59,59,59,44,46,59,59, 65,59,59,69,72,67]} 1. e4 c5 2. Nf3 e6 3. c3 Nf6 (3... d5) 4. e5 Nd5 5. d4 cxd4 6. cxd4 Nc6 7. Nc3 (7. Bc4) 7... Nxc3 8. bxc3 d6 9. exd6 Bxd6 10. Bd3 h6 11. O-O O-O 12. Qe2 (12. Re1 {main}) 12... Bd7 (12... Re8 {main}) 13. Rb1 b6 14. Re1 (14. Ne5 Bxe5 15. dxe5 Ne7 16. Ba3 Re8 17. Qe4 Ng6 18. f4 Bc6 19. Qe2 Nh4 20. g3 Nf5 21. Bxf5 (21. g4) 21... exf5 22. Rbd1 Qc8 {Linik-Klekowski, EU ch rapid, Katowice 2017,0-1}) 14... Qe7 (14... Qc7) 15. Bd2 f5 16. Bb5 { (draw?)} 1/2-1/2 [Event "Dyfed Open"] [Site "Fishguard"] [Date "2020.02.16"] [Round "5.7"] [White "Barnaby, Nicholas"] [Black "Waddington, Mike P"] [Result "0-1"] [ECO "A80"] [WhiteElo "1750"] [BlackElo "2046"] [Annotator "kemen"] [PlyCount "112"] [EventDate "2020.??.??"] [SourceVersionDate "2020.02.18"] {[%evp 0,7,37,38,75,34,40,-31,41,0]} 1. d4 f5 2. Qd3 (2. e4 fxe4 3. Nc3 Nf6 4. Bg5 c6 5. Bxf6 exf6 6. Nxe4 d5 7. Ng3 Bd6 8. Bd3 O-O {Barnaby-R Thomas, Dyfed Open 2019,0-1}) (2. Bg5 h6 3. Bd2 Nf6 4. Nc3 g6 5. h3 d5 6. Nf3 Be6 7. Ne5 Bf7 8. g4 e6 9. e3 Nbd7 10. f4 Bb4 {Barnaby-R Van Kemenade, Halifax 1993,0-1}) 2... d5 3. g4 e6 (3... fxg4 {main} 4. h3 g3 (4... Nf6)) 4. g5 (4. gxf5 exf5 5. Nf3 { main}) 4... c5 (4... Bd6 {2.5-1.5}) 5. c3 (5. dxc5 Bxc5 6. Be3 Bxe3 7. Qxe3 d4 8. Qd2 Nc6 9. Nf3 h6 10. Rg1 hxg5 11. Qxg5 {Myc-Nowicki, Mazowiec ch tm 2017,1/ 2-1/2}) 5... Nc6 6. f4 (6. Nf3 Bd7 7. Bg2 Rc8 8. dxc5 Bxc5 9. Nbd2 Nge7 10. O-O e5 11. Nb3 e4 12. Qd1 exf3 {Bellipanni-Herraiz Hidalgo, Malaga op 2008,0-1}) 6... Bd7 (6... h6 {Stockfish11}) 7. e3 c4 (7... h6) 8. Qd1 b5 9. b3 (9. h4 $11 {Stockfish11}) 9... Bd6 10. Qh5+ Kf8 11. Qd1 Nge7 (11... h6 {Stockfish11}) 12. h4 Qb8 13. Rh2 {(draw?) Wh's set-up is akin to the structures of Mike Surtees's Revolutionary Opening Theory, though he is more often using it as Bl. } (13. h5 {Stockfish11}) 13... Nc8 14. a4 Na5 15. axb5 (15. Nd2 Nxb3 16. Nxb3 cxb3 17. axb5 Bxb5 18. Qxb3 Bxf1 19. Qxb8 Rxb8 20. Kxf1 h6 21. Nf3 hxg5 22. Nxg5 Ke7 23. Nf3 a5 24. Rha2 Bc7 25. Ba3+ Kf6 26. Bc5 {Stockfish11}) 15... Nxb3 16. Raa2 Bxb5 (16... Qxb5 17. Nf3 Nxc1 18. Qxc1 Ne7 19. h5 a5 { Stockfish11}) 17. Nd2 (17. Ba3) 17... Nxc1 18. Qxc1 Nb6 19. Be2 Ke7 20. Ngf3 Rc8 21. Ne5 {(draw?)} Be8 (21... a5) 22. Bd1 Kf8 23. h5 Qc7 (23... a5 { Stockfish11}) 24. Nf1 (24. Ra6) 24... Rcb8 25. Ng3 Kg8 26. Rhb2 Qe7 (26... a5) 27. Qb1 Ba3 (27... Bxe5 28. dxe5 h6 {Stockfish11} 29. gxh6 Qh4 30. Rg2 d4 31. cxd4 Bc6 32. Rg1 Nd5 33. Qc1 Nb4 34. Ra3 Bd5 35. Kd2 Nd3 36. Rxd3 cxd3 37. Kxd3 Rb7) 28. Rh2 Bd6 29. Rhb2 Rc8 30. Bc2 {(draw?)} (30. Kf1 Bxe5 31. dxe5 d4 32. exd4 Nd5 33. Qc1 h6 {Stockfish11}) (30. Qa1 Nd7 31. Nxd7 Qxd7 32. Kf2 {Stockfish11}) 30... Rab8 (30... Ba3 31. Nxf5 exf5 32. Bxf5 Bxb2 33. Bxh7+ Kh8 34. Rxb2 Nd7 35. Rb7 Rab8 36. Bf5 Rd8 37. Kf2 Qd6 $19 {Stockfish11}) 31. Nxf5 {(draw?)} exf5 32. Bxf5 Bxe5 (32... Rd8 33. Bxh7+ Kh8 34. Bc2 Nd7 35. h6 Nxe5 36. dxe5 Bxe5 37. fxe5 Qxg5 38. hxg7+ Kxg7 39. Rxa7+ (39. Rxb8 Qg1+ 40. Kd2 Qf2+) 39... Rd7 40. Rxb8 Qxe3+ 41. Kf1 Rxa7 42. Rb7+ (42. Rxe8 Rf7+) 42... Rxb7 43. Qxb7+ Bf7 44. Bb1 Qxc3 { Stockfish11}) 33. dxe5 (33. Bxh7+ Kh8 34. dxe5 {Stockfish11}) 33... Rc7 34. Bxh7+ Kh8 35. Bg6 Qc5 36. Kf2 Bc6 (36... Bd7) 37. Qh1 (37. Qf5 Rf8 38. Qh3 Be8 39. Kg1 Qe7 40. Rh2 Kg8 41. Ra5 Bd7 (41... d4 42. cxd4 c3 43. Ra1 Nc4 44. Bxe8 Rxe8 45. g6 Qd7 46. Qxd7 Rxd7 47. Rc1 Nxe3 48. Rxc3 Nd5 49. Rf3) 42. Qg2 {Stockfish11}) 37... Rf8 (37... Qxe3+ 38. Kxe3 d4+ 39. Kxd4 Bxh1 40. Be4 Rd8+ 41. Ke3 Bxe4 42. Kxe4 Nd5 43. Ra3 {Stockfish11}) 38. Ke2 (38. Qh3 $18 Be8 (38... Kg8 39. h6) 39. e6 Qe7 40. Kg1 Kg8 41. Rg2 Rb7 42. f5 { Stockfish11}) 38... Kg8 (38... Qxe3+ 39. Kxe3 d4+ 40. Kxd4 Bxh1 41. f5 (41. Rxb6) 41... Rd8+ 42. Ke3 Nd5+ 43. Kf2 Nxc3 {the c pawn is now more dangerous than the pawn mass around Bl's K, because of the exchange of Qs}) 39. h6 d4 (39... Qxe3+ {Stockfish11}) 40. cxd4 Qe7 (40... Bxh1 41. dxc5 Nd7 {Stockfish11}) 41. Be4 (41. Qh3 Bd7 (41... gxh6 42. Bf5 (42. gxh6 Nd5 $19) 42... Rxf5 43. Qxf5 Qf7 44. Qxf7+ Kxf7 45. gxh6 c3 46. Rb1 Be4 47. Rg1 ) 42. Qh5 c3 43. Rc2 gxh6 44. Qxh6 Bg4+ 45. Ke1 Qb4 {unlikely to be found by humans} (45... Qg7 {looks naturally what Bl has been playing for, but then the pawn mass triumphs} 46. Qxg7+ Kxg7 47. Be4 Be6 48. Ra3 Nd5 49. Bxd5 Bxd5 50. Raxc3 Rxc3 51. Rxc3 {and Stockfish considers Wh to be winning, even though the Wh pawns looks becalmed} Kg6 52. Rc5 Rd8 53. Kd2 Kf5 54. e6 Kxe6 55. e4 { tactics get the pawns moving}) 46. Be4 Rg7 47. Kf2 Rxf4+ 48. exf4 Qxd4+ 49. Kg3 Qxe4 50. Kxg4 Rf7 {Stockfish11- very difficult to keep an evaulation of all these complexities, even with the aid of an Engine}) 41... Bxe4 42. Qxe4 c3 (42... Qe6 43. hxg7 Kxg7 44. Ra1 c3 45. Rc2 Qg4+ 46. Kd3 Qd7 47. Ke2 Qg4+ 48. Kd3 Qd7 {Stockfish11}) 43. hxg7 Kxg7 44. Rc2 (44. f5 Qxg5 45. f6+ Kh8 46. Rb1 Qh5+ 47. Kd3 c2 48. Rxc2 (48. Rh1 c1=N+ 49. Kd2 (49. Rxc1 Rxc1) 49... Nb3+ 50. Kd3 Nc1+) 48... Rxc2 49. Kxc2 Qe2+ 50. Kb3 Qb5+ 51. Kc2 Qe2+ { Stockfish11}) 44... Rh8 45. Qg2 (45. Kf2) (45. e6) (45. Kf3) ( 45. Ra1) 45... Qe6 (45... Qf7) 46. e4 Qc4+ 47. Ke3 Kf8 (47... Rh4 $19 48. Qf3 Qb4 49. Kf2 Kg8 50. g6 Qxd4+ 51. Kg3 Rh6 52. f5 Qxe5+ 53. Kg2 Rh4 $19 {Stockfish11- another obscure initial move}) (47... Kg8 48. g6 Rd7 49. Kf2 Qxd4+ 50. Kf3 Qd1+ 51. Re2 Rh1 52. Kg3 Rd3+ 53. Kg4 Rg1 {Stockfish11- a more comprehensible sequence}) 48. g6 {(draw?)} Rd7 49. d5 Kg8 {one scoresheet registers Ka7, which might mean Kg7, but it seems to make no difference to what follows. Stockfish11 considers g8 a better square than g7, with some alternatives in mind.} (49... Qc5+ 50. Kd3 Qb5+ 51. Ke3 Nc4+ 52. Kf3 Qc5 53. Re2 Nd2+ 54. Kg4 (54. Raxd2 {Stockfish11 bailing out}) 54... Rg7 55. f5 Qe7 56. Qg3 Nf1 57. Qf2 Nh2+ {wins Q or K- Stockfish11}) (49... Kg7 50. Ra5 (50. e6 Nxd5+ (50... Rxd5 {wins intead}) 51. exd5 Rxd5 52. Rxa7+ {is a natural move to play here, with a drawn position. So in conclusion it seems that 49... Kg8 was played after all.} (52. Kf2 {introduces sequence played in game})) 50... Qb4 51. Qg5 Nc4+ 52. Kf3 Qb6 53. Qf6+ Qxf6 54. exf6+ Kxg6 55. Rg2+ Kxf6 56. e5+ Nxe5+ 57. fxe5+ Kxe5 {Stockfish11.}) 50. e6 (50. d6) 50... Nxd5+ 51. exd5 Rxd5 52. Kf2 Qxf4+ 53. Ke1 Qe3+ 54. Re2 Qc1+ 55. Kf2 Rf5+ 56. Qf3 Rh2+ 0-1 [Event "Dyfed Open"] [Site "?"] [Date "2020.02.16"] [Round "5.8"] [White "Van Kemenade, R.."] [Black "Jones, Martin C"] [Result "1-0"] [ECO "B40"] [WhiteElo "1889"] [BlackElo "1745"] [Annotator "kemen"] [PlyCount "77"] [EventDate "2020.??.??"] [SourceVersionDate "2020.02.18"] {[%evp 0,77,19,31,72,53,43,25,80,77,95,69,64,1,63,63,106,124,162,141,141,113, 108,102,102,94,91,66,63,52,61,52,38,37,69,41,52,10,-7,4,-2,-4,9,9,9,15,18,26, 14,51,51,-3,106,106,108,110,132,101,109,84,117,88,72,80,85,87,81,70,201,221, 234,30,16,43,167,183,545,554,29997,29998]} 1. e4 c5 2. Nf3 e6 3. d3 g6 (3... Nc6 4. g3 Be7 5. Bg2 Nf6 6. O-O d6 7. c3 a6 8. Qe2 Qc7 9. Ng5 {Van Kemenade-Jones,Dyfed League 2015,1-0}) (3... Qc7 4. g3 a6 5. Bg2 b5 6. O-O Bb7 7. Bf4 d6 8. c3 Nc6 9. a4 {Heap-Jones,Dyfed League 2014,1-0}) 4. Bg5 (4. g3 { main}) 4... Qc7 (4... Qb6 {main} 5. Qc1 (5. Nbd2)) 5. Na3 (5. Nc3 a6 6. e5 Bg7 7. Qe2 Nc6 8. Bf4 Nge7 9. Ne4 {Van Kemenade-Yeo, Arena blitz 2017,1-0} (9. h4 Nd4 10. Nxd4 cxd4 11. Ne4 Bxe5 12. Nf6+ {hearthstones9-angelocicero4, chesscube 2018,1-0})) (5. e5) (5. g3 Bg7 6. c3 Nc6 7. Na3 {8 Wh wins, 4 xdraws, 1 Bl win}) (5. d4 cxd4 6. Qxd4 f6 7. Be3 Qxc2 8. Bd3 Qc7 9. O-O Nc6 10. Qc3 Qa5 11. Qc1 {Stockfish11}) 5... a6 6. e5 (6. d4 h6 7. Bh4 d6 8. dxc5 Qxc5 9. Be2 {Stockfish11}) 6... Bg7 {an automatic move that leads to trouble} (6... b5) (6... Nc6 7. Nc4 b5 8. Nd6+ Bxd6 9. exd6 Qxd6 10. g3 Bb7 11. Bg2 f6 12. Be3 Nd4 {Stockfish11}) 7. Nc4 Bf8 (7... Nc6 8. Bf4 Nge7 9. Nd6+ Kf8 10. h4 $14 {Stockfish11}) 8. a4 (8. Bf4 b5 9. Nd6+ Bxd6 10. exd6 Qb6 11. a4 { Stockfish11}) 8... d5 9. exd6 Bxd6 10. Nxd6+ (10. d4 {Stockfish11}) (10. a5 ) (10. h4) 10... Qxd6 11. Be2 (11. Nd2 {considered by Wh}) 11... f6 12. Bh4 (12. Be3) 12... Nd7 13. Bg3 e5 14. h4 (14. c3) 14... Ne7 15. h5 g5 16. Nd2 (16. O-O) 16... Nf5 (16... O-O 17. c3) 17. Nc4 (17. Bf3) (17. c3) 17... Qc7 18. Bh2 (18. a5 b5 19. axb6 Nxb6 20. Ne3 {Stockfish11}) 18... Nb6 19. Ne3 Nxe3 (19... Be6) 20. fxe3 Nd5 21. Qd2 Be6 22. O-O (22. c4 Nb4 23. d4 O-O 24. O-O Qd7 25. Rad1 Rad8 26. Qc3 {Stockfish11}) 22... O-O {Bl has a pawn mass, which should be good for Ns to attach to. Wh needs a position where the two Bs can assist mobile pawns going forward} (22... Qe7 23. Bf3) 23. c4 Ne7 ( 23... Nb6 24. a5 Nd7 (24... Nc8 25. d4) 25. d4) 24. d4 Rad8 (24... Qd7 25. d5 Bg4 26. a5 Bxe2 27. Qxe2 Nc8 28. e4 Nd6 29. Bg3 h6 30. Ra3 {Stockfish11, but it's not clear where Wh will break through}) 25. Qc3 (25. d5 {Stockfish11- Wh was avoiding this , as the Bl N gets an excellent blockading square on d6.} Bc8 26. g4 (26. Rf2) 26... Kh8 27. a5 Ng8 28. Kh1 Nh6 29. Rg1 Nf7 30. e4 Nd6 31. Bd3 Bd7 {and it will take Wh some time to engineer a breakthrough} 32. b4 { looks like a starting point- but may well need more preparation}) 25... Nc8 ( 25... cxd4 26. exd4 Qb6 27. c5 Qc6 28. Bf3 e4 29. Bd6 Rf7 30. Rae1 f5 31. h6 Ng6 32. g3 {Stockfish11}) 26. dxe5 (26. d5 Bd7 27. Rxf6 Rxf6 28. Bxe5 Rd6 29. h6 Bf5 30. e4 Qe7 31. Rf1 {Stockfish11} Bd7 32. Rf6 Rxf6 33. Bxf6 Qxe4 34. Bxd8 Qb1+ 35. Bf1 Qg6 36. Qe5 Qxh6 37. Bxg5) 26... f5 27. Rad1 (27. h6 Qe7 28. b3 Na7 29. Bf3 Nc6 30. Rad1 Nb4 31. Rd6 g4 32. Bd5 Nxd5 33. cxd5 Bxd5 34. e6 {Stockfish11}) (27. Bf3 g4 (27... h6) 28. Bd5 {Stockfish11} Bxd5 29. cxd5 Rxd5 30. e4 fxe4 31. Rxf8+ Kxf8 32. Rf1+ Kg8 33. Qg3 (33. Qe3 Qg7 34. h6 Qg6 35. Qf4) 33... Qg7 34. h6 Qg6 35. Qf4 Rd8 36. e6 { Stockfish11}) 27... Qf7 (27... Rxd1 28. Bxd1 Qf7 29. b3 Na7 30. Bf3 Nc6 31. Rd1 $18 {Stockfish11}) 28. Rxd8 (28. b3) (28. Rd5) 28... Rxd8 29. g4 Qd7 30. Rd1 ( 30. gxf5 Bxf5 31. e6 Bxe6 (31... Qxe6 32. h6 Rd7 (32... Qxh6 33. Rxf5) 33. Bg4 $1 Bxg4 34. Qh8+ Kxh8 35. Rf8+ Qg8 36. Be5+ Rg7 37. hxg7#) 32. h6 Qe7 33. Rf6 Bh3 34. Bf3 Rd3 35. Qe5 Qxe5 36. Bxe5 Ne7 37. Bd6 {Stockfish11}) 30... Qe7 31. Rxd8+ Qxd8 32. gxf5 Bxf5 33. Bf3 {best, Stockfish11} (33. e6 Bxe6 34. Qe5 Qe7 35. h6 Bd7 36. Qd5+ Kf8 37. Be5 {Stockfish11}) 33... Ne7 (33... Be6 34. Bd5 Bxd5 35. Qd3 Ne7 36. e4 {Stockfish11}) 34. e6 g4 35. Bxb7 (35. Qf6 $1 Qf8 (35... gxf3 36. Qf7+ Kh8 37. Be5#) 36. Qxf8+ Kxf8 37. Bxb7 { Stockfish11}) (35. h6 Qf8 36. Bd5 Qxh6 37. Qe5 Bd3 38. Bf4 Qg7 39. Qc7 h5 40. Bd6 Qf8 41. Bg2 {Stockfish11}) 35... Qd1+ 36. Kf2 g3+ (36... Bd3 {pm analysis} 37. Qe1 {Martin} (37. Bg2 Qe2+ 38. Kg1 Qd1+) (37. Kg3 Qe2 { Stockfish11} (37... Nf5+ 38. Kf4 Qe2 39. Bg1 Nd6 40. Bd5 Qf1+ 41. Ke5 { pm analysis}) 38. Bg1 Qf1 39. Bf2 Qh3+ 40. Kf4 Qxh5 41. e4 Ng6+ 42. Ke3 g3 43. Qxd3 Qg5+ 44. Kf3 (44. Ke2 Nf4+) 44... Qf4+ 45. Ke2 Qxf2+ 46. Kd1 g2 47. Qd8+ Kg7 48. Qc7+ Kh6 49. Qh2+ Kg5 50. e5 g1=Q+) 37... Qc2+ 38. Kg1 (38. Kg3 Nf5+ 39. Kxg4 Qxh2) 38... Bxc4 39. Qf2 (39. Be5 Bxe6) (39. Bd6 Nf5 40. Bxc5 Bxe6 41. b4 a5 {Stockfish11}) 39... Qd1+ 40. Kg2 Bxe6 41. e4 (41. a5 Bd5+ 42. Bxd5+ Qxd5+ 43. Kg1 Qd1+ 44. Kg2 (44. Qf1 Qxf1+ 45. Kxf1 Kg7 46. Bd6 Nc6 47. Bxc5 Nxa5 48. Kf2 Kh6) 44... Qd5+) 41... Qxa4 42. Be5 (42. Bg3 Qb4 43. Qf6 Qxb7 44. Qxe6+ Kf8 45. b3 Qb5 46. Bd6 Qe2+ 47. Kg3 Qe1+ 48. Kxg4 Qd1+ 49. Kf4 Qd2+ 50. Ke5 Qh2+ 51. Kf6 Qh4+ 52. Ke5 Qg3+ 53. Kf6 Qg7#) 42... h6 43. Qf6 (43. Bc3 Nc6 44. Qe3 Qb5) 43... Qc2+) 37. Bxg3 Qxh5 ( 37... Bd3 38. Bg2 (38. Qe1 Qc2+ 39. Kg1 Bxc4 40. Be5 Bxe6 41. Qg3+ Kf7 42. Qf4+ Ke8 43. Bxa6)) (37... Bh3 38. Be5 {pm analysis} (38. Bg2 { simplest})) (37... Bg4 38. h6 Nf5 39. Bd5 Qe2+ 40. Kg1 Qd1+ 41. Be1) 38. Qf6 Qe8 39. Be5 1-0 [Event "Dyfed Open"] [Site "?"] [Date "2020.02.16"] [Round "5.9"] [White "Haigh, A.."] [Black "Marin Marin, Francisco Javier"] [Result "0-1"] [ECO "D00"] [WhiteElo "1773"] [BlackElo "1776"] [Annotator "kemen"] [PlyCount "48"] [EventDate "2020.??.??"] [SourceVersionDate "2020.02.18"] {[%evp 0,12,26,23,28,1,5,-9,-12,-9,-11,-55,-28,-20,-28]} 1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bd6 5. g3 (5. c4 {main, 3 draws for Tony}) 5... Be6 6. Bg2 O-O (6... c6 {main} 7. Nd2 Nd7 8. Ne2 Qe7 9. O-O f5 10. Nf4 Nf6 11. Nxe6 fxe6 12. c4 O-O 13. c5 Bc7 14. b4 {|Haigh-Daniel, SWPL 2005,1-0}) 7. Nd2 (7. Ne2 {main}) 7... Nd7 8. c3 {Stockfish11} (8. Ne2 {2 games each}) 8... f5 9. Nh3 (9. Ne2) (9. h4) 9... Nf6 (9... g5 {Stockfish11}) 10. O-O Re8 11. Nf4 c6 12. Nxe6 Rxe6 {3 moves to swap off a once moved B, which is obstructed by its own pawns. But in a closed position, tempi don't matter quite as much ( however Ns are then usually more useful than Bs)} 13. c4 dxc4 14. Nxc4 Bc7 15. b4 Ne4 ( 15... h5 {Stockfish11}) 16. Qc2 Qg5 (16... Qe7) (16... h5) 17. Nd2 (17. Rab1) 17... Rae8 18. Rab1 (18. d5 Nxd2 19. dxe6 Nxf1 20. exf7+ Kxf7 21. Rxf1 {Stockfish11}) 18... Rh6 19. Nxe4 (19. b5 {is the kind of move Wh needs to get the Q side attack moving}) 19... fxe4 20. Bxe4 (20. b5) 20... Qh5 21. Rfd1 (21. h4 g5 22. Bf5 gxh4 23. g4 {holds the Wh position together} Rg6 24. Kh1 Qh6 25. Rb3 (25. Bxg6 hxg6 26. Qc5 Bb6 27. Qd6 Qg5 {Bl gets a little bit of play while the Wh Rs are as yet inactive}) 25... Rd6 26. b5) 21... Qxh2+ 22. Kf1 Bxg3 (22... Rf6 {also wins}) 23. fxg3 (23. Rd2 Rf6 24. Bg2 h5 {but Bl still has to be precise} 25. d5 cxd5 26. Bxd5 Rxe3 27. Bg2 g6) 23... Rf6+ 24. Ke1 Qxg3+ 0-1 [Event "Dyfed Open"] [Site "?"] [Date "2020.02.16"] [Round "5.10"] [White "Williams, R Gareth"] [Black "Taylor, Robert G"] [Result "0-1"] [ECO "B30"] [WhiteElo "1642"] [BlackElo "1844"] [Annotator "kemen"] [PlyCount "64"] [EventDate "2020.??.??"] [SourceVersionDate "2020.02.18"] {[%evp 0,15,24,12,56,16,26,20,17,19,41,41,41,38,28,31,70,70]} 1. e4 c5 2. Bc4 e6 3. Nc3 Nc6 4. Nf3 (4. f4) 4... d6 (4... a6) 5. O-O Be7 6. d4 (6. d3) 6... cxd4 7. Nxd4 a6 (7... Nf6) 8. Nxc6 (8. Be3 {main}) 8... bxc6 9. a3 (9. Qg4 Bf6 {3-0}) (9. Re1 {0-3}) (9. Bf4 {1 result in each category}) 9... Nf6 10. Re1 O-O {but Bl has a useful central pawn mass} 11. Bf4 e5 12. Be3 (12. Bg5 {simpler} h6 13. Bxf6 Bxf6 14. Re3 {and Wh has some activity, though the Bl centre is solid}) 12... Ng4 13. Qe2 Nxe3 14. Qxe3 Kh8 15. Rad1 f5 16. f3 (16. exf5 Bxf5 17. Bd3 {may be better though Bl has no problems with either} Bd7 {or} (17... Rb8)) 16... f4 {Bl can just build up for a K side attack without Wh having much to interfere with the plan} 17. Qd3 Rf6 18. Re2 Rh6 { it's usually best not to move pawns on the side where one is under attack unless forced to do so- gaps are created & the pawns can't return to their post } 19. g3 (19. Na4 {trying to make something happen on the Q side to distract Bl?}) 19... Qb6+ (19... fxg3 20. hxg3 d5 21. exd5 Bc5+ 22. Kf1 Qg5 {Stockfish11-leaves the Wh pieces on the wrong side of the K}) 20. Kh1 fxg3 21. Rg2 (21. Rg1) 21... Rxh2+ (21... Bg5 22. Rxg3 Bf4 23. Rg2 Bh3 24. Re2 Qd8 { Stockfish11- piling everything into the K- the Engine starts shedding material for Wh to slow down the flow}) 22. Rxh2 gxh2 23. Na4 Qf2 (23... Qa7 24. Qf1 Bd7 25. Rd2 Rf8 {preferred by Stockfish11}) 24. Rf1 Qg3 (24... Qa7 {preserves the Q for the attack}) 25. f4 Qxd3 26. cxd3 Bh3 27. Rf2 exf4 28. Kxh2 Bg4 29. Rxf4 h5 {Bl's 2 connected passed pawns will win the endings} 30. Nc3 (30. Rxg4 hxg4 31. Be6 {is Stockfish11's attempt at damage limitation}) 30... Rb8 (30... Bf6 31. Rf1 a5 32. Nd1 Bd4 {Stockfish11}) 31. b4 Bf6 (31... d5 { Stockfish11 attacks B & gets B on the diagonal of the R & K} 32. Rxg4 hxg4 33. exd5 Bf6 34. Nd1 Be5+ 35. Kg2 cxd5 36. Bxd5 Kh7 37. Be6 g3) 32. Na2 (32. Rxg4 hxg4 33. Ne2 a5) 32... Be5 {a whole R is lost now} 0-1 [Event "Dyfed Open"] [Site "?"] [Date "2020.02.16"] [Round "5.12"] [White "Greatorex, Roger"] [Black "Dixon, Chris"] [Result "1/2-1/2"] [ECO "A46"] [WhiteElo "1735"] [BlackElo "1754"] [Annotator "kemen"] [PlyCount "70"] [EventDate "2020.??.??"] [SourceVersionDate "2020.02.18"] {[%evp 0,18,19,31,19,23,28,-8,24,25,16,2,20,12,19,19,18,1,8,-8,11]} 1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. Nbd2 Be7 5. e3 O-O 6. Bd3 Nbd7 7. O-O h6 8. Bh4 b6 (8... c5 {main}) 9. Ne5 (9. c3 {main}) 9... Bb7 (9... Nxe5 10. dxe5 Nd7 11. Bxe7 Qxe7 12. f4 Nc5 {1 Wh win, 1 draw, 3 Bl wins} (12... Bb7 {2 Wh wins, 3 Bl wins})) 10. f4 Ne4 11. Bxe7 Qxe7 12. Rf3 (12. c3 c5 {transposes to 137 games}) 12... Nxe5 (12... c5 13. c3 Nxe5 (13... Ndf6 14. Rh3 Nxd2 (14... Rac8 15. g4 Nxd2 16. Qxd2 Ne4 17. Qe2 Rfd8 18. g5 f6 19. Bxe4 dxe4 20. gxf6 Qxf6 21. Kh1 { Enkhsaran-Prathivya, Wld ch girls U08, Porto Carras 2015,1-0}) 15. Qxd2 Ne4 16. Qe2 Qe8 17. g4 f6 {Carrick-Sandercock, Beacon Seniors Exmouth 2008,0-1}) 14. fxe5 {2-0}) 13. fxe5 f5 14. exf6 Rxf6 (14... Nxf6 15. c3 e5 16. Bg6 c5 { Stockfish11}) 15. Rxf6 Qxf6 (15... Nxf6 16. Nf3 Nd7 17. Qe1 (17. Qe2 e5) 17... Qd6 18. Nh4 Rf8 19. Qe2 e5 {Stockfish11}) 16. Nf3 c5 17. c3 Rf8 18. Qe2 Bc6 19. Bxe4 dxe4 20. Ne5 Be8 21. Rf1 Qg5 22. Rxf8+ Kxf8 23. Qf2+ Qf6 (23... Kg8 24. h4 Qf5 25. g4 Qf6 26. h5 cxd4 27. cxd4 Bb5 28. Kg2 { [%eval 0,0] Stockfish11- Qs must come off sooner or later, & then the N is far superior to the}) 24. Kf1 (24. Qc2 {Stockfish11} Qf5 25. g4 Qh7 26. dxc5 bxc5 27. Qd2 g5 28. Qd8 Qe7 29. Ng6+) (24. Qg3) 24... Ke7 25. Qxf6+ {straightens out Bl's pawns} (25. Kg1 {Stockfish11} Qxf2+ 26. Kxf2) 25... gxf6 26. Ng4 h5 27. Nf2 cxd4 28. exd4 f5 29. Ke2 Kd6 30. Ke3 b5 31. h4 a5 32. Kf4 Kd5 {Wh has no time to get his K & N to capture the h pawn, as Bl would be faster coming in on the Q side} 33. b3 {this though should lose as it weakens the pawn chain} (33. Nd1 Kc4 34. Ke3 Kd5 35. Kf4 Kc4) 33... b4 $19 34. cxb4 axb4 (34... Kxd4 {Stockfish11; though it requires some exact calculation - the B is suddenly better than the N as it can both hold up Wh's distant pawns, while supporting the advance of its own} 35. bxa5 e3 36. Nh3 e5+ 37. Kg3 (37. Kg5 e2 38. Ng1 Bb5 {only move to win} 39. Nf3+ (39. Kxf5 e4 40. Nxe2+ Bxe2) (39. Nxe2+ Bxe2 40. Kxf5 e4 {the reserve e pawn decides}) 39... Ke3 40. Ne1 Kf2 41. a4 (41. a6 Kxe1 42. a7 Bc6) 41... Ba6 42. Nc2 Bd3 43. Nb4 Be4 {and the e pawn wins through- Stockfish11})) 35. Ke3 e5 {draw agreed} ( 35... e5 36. dxe5 Kxe5 37. Nh3 {and the N & K blockade the centre pawns}) ( 35... f4+ {as the Bl K breaks through , aided by the longrange B.} 36. Kxf4 Kxd4 37. Nd1 (37. Nxe4 e5+ {wins the N}) 37... Bb5 38. g4 e5+ 39. Kg3 e3 40. Nxe3 Kxe3 41. gxh5 Bd7 42. h6 Bf5 43. h7 Bxh7 44. Kg4 e4 {Stockfish11}) 1/2-1/2 [Event "Dyfed Open"] [Site "Fishguard"] [Date "2020.02.16"] [Round "3.15"] [White "Pinch, David"] [Black "Probert, Malcolm"] [Result "1/2-1/2"] [ECO "D79"] [WhiteElo "1667"] [BlackElo "1565"] [Annotator "kemen"] [PlyCount "45"] [EventDate "2020.??.??"] [SourceVersionDate "2020.02.18"] 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nc6 5. g3 (5. Nc3) (5. Bf4) 5... g6 (5... Nf6 {main}) 6. Bg2 Bg7 7. O-O Nf6 8. Nc3 O-O 9. Bf4 {51% for Wh} (9. Ne5 { main, 60% for Wh}) 9... Ne4 10. Ne5 Nxc3 11. bxc3 Nxe5 12. Bxe5 Bxe5 13. dxe5 e6 (13... Be6 {main; 2 Wh wins, 2 draws, 4 Bl wins}) 14. Qd4 (14. e4 dxe4 15. Qxd8 Rxd8 16. Bxe4 Kf8 (16... Rb8) 17. Rfd1 Ke7 18. c4 Rb8 { Frank-Schuler, Wuerttemberger ch Seniors, Ellwangen 1998,1-0}) 14... Qc7 15. e4 (15. Rac1 b5 (15... Bd7) 16. e4 dxe4 17. Qxe4 Rb8 18. c4 Bb7 19. Qf4 Bxg2 20. Kxg2 b4 {Saric-Juric, Split 1999,1-0}) (15. c4 Qxc4 16. Qxc4 dxc4 17. Rfc1 Bd7 18. Rxc4 Bb5 19. Rc2 (19. Rc7 Bxe2 20. Re1 Ba6 21. Bxb7 Bxb7 22. Rxb7 Rfb8 23. Reb1 Rxb7 24. Rxb7 a5) 19... Rac8 20. Rac1 Rxc2 21. Rxc2 b6 { Stockfish11}) 15... dxe4 16. Rfd1 b6 17. Bxe4 Bb7 18. Bxb7 Qxb7 19. Qe3 (19. Qf4 Rac8 20. c4 Qa6 21. Rd4 Qa5 {Stockfish11}) 19... Rfd8 (19... Rad8 { Stockfish11} 20. Qg5 Rd5) 20. Rd6 (20. Qg5 {Stockfish11}) 20... Rxd6 21. exd6 Qd5 22. Qe2 (22. a4) 22... Qxd6 23. Rd1 (23. Rd1 Qc7 (23... Qe7 { Stockfish11- Bl has an extra pawn & Wh's Q side pawns are split; but it will be a long haul})) 1/2-1/2 [Event "Dyfed Open"] [Site "Fishguard"] [Date "2020.02.16"] [Round "5.14"] [White "Van Kemenade, J.."] [Black "Orton, Paul"] [Result "0-1"] [ECO "B23"] [WhiteElo "1689"] [BlackElo "1580"] [Annotator "kemen"] [PlyCount "66"] [EventDate "2020.??.??"] [SourceVersionDate "2020.02.18"] {[%evp 0,66,19,28,72,49,73,79,73,47,64,42,19,7,28,16,21,10,12,-37,-17,-13,-13, -25,-7,-45,-20,-28,-2,-33,-5,-39,-4,-48,-38,-105,-80,-122,-122,-147,-103,-138, -129,-131,-142,-174,-174,-203,-100,-114,-99,-99,-98,-100,-95,-103,-85,-197, -202,-267,-231,-321,-323,-997,-1033,-29995,-29996,-29999,-30000]} 1. e4 c5 2. Nc3 (2. Bc4 d6 3. f4 g6 4. Nf3 Bg7 5. c3 Nc6 6. Bb3 e6 7. Qe2 Nge7 8. O-O O-O 9. d3 {Van Kemenade-Orton, Dyfed Closed 2010,1-0}) 2... d6 3. Bc4 g6 4. f4 Bg7 5. Nf3 Nc6 6. O-O Nf6 (6... e6) 7. d3 O-O 8. a3 (8. Qe1) (8. f5) (8. h3) 8... a6 9. Ne2 (9. Qe1 {main}) 9... b5 10. Ba2 Qb6 (10... Qc7 11. Ng3 e6 12. Nh4 Qd8 13. c3 Bb7 14. Nf3 Qb6 15. Be3 Ng4 16. Qd2 Nxe3 17. Qxe3 a5 18. f5 {Van Kemenade-Beilschmidt, 4NCL 2003,0-1}) 11. Kh1 Bb7 (11... c4 12. c3 cxd3 13. Qxd3 Ng4 14. Ned4 Nxd4 15. cxd4 e5 16. h3 Nf6 17. f5 {Mleko-Boder; POL ch girls U16, Wisla 2000,0-1}) (11... e6 12. Qe1 d5 13. e5 Nd7 14. c3 d4 15. cxd4 cxd4 16. Qf2 Nc5 17. Rd1 Rd8 18. Qh4 {Kvisla-Fairbairn, Gibraltar Masters 2009, 1-0}) 12. Ng3 (12. f5 {Stockfish11}) 12... Rac8 13. f5 Rfd8 {weakens f7} (13... c4) (13... Ne5) 14. Ng5 (14. Qe2) 14... Ne5 15. Bf4 (15. Qe1) (15. Be3) 15... Rf8 (15... c4 16. Qe2 (16. fxg6 hxg6 17. Qe1 (17. Qe2)) 16... h6 17. Nf3 Nxf3 18. Rxf3 Rf8 19. Raf1 {Stockfish11}) 16. Bxe5 (16. Qe2) ( 16. fxg6 hxg6 17. Qe2) 16... dxe5 17. Rf3 (17. Qe2) 17... Bh6 (17... c4 $15) 18. Nh3 (18. h4) 18... c4 19. Qe2 cxd3 20. cxd3 Rfd8 (20... Qc5 21. Raf1 (21. Bb3 a5) 21... Qc2 22. Bb1 Qd2 23. Qxd2 Bxd2 24. Ne2 Rfd8 { Stockfish11}) (20... Rc7) 21. Nf2 Rc7 22. h3 Rdc8 23. Ng4 (23. Qe1 Rc1 24. Rxc1 Rxc1 25. Nd1 Ra1 26. Bb3 a5 27. fxg6 hxg6 28. Qc3 a4 29. Bc2 Qc6 30. Qxc6 Bxc6 31. Rf2 Rc1 32. Nf1 Nd7 33. Kh2 Nc5 34. Nc3 Ne6 {Stockfish11- nothing definite as yet, but the Wh pieces have a severe lack of space}) 23... Rc1+ (23... Nxg4 24. hxg4 Rc2 25. Qf1 Rc1 {Stockfish11}) 24. Rxc1 (24. Rf1 Rxf1+ 25. Rxf1 Bf4 26. Nxf6+ Qxf6 27. Qg4 Kf8 28. Bb3 Rc1 29. Rxc1 Bxc1 30. Qe2 Bf4 31. Qf3 Qh4 32. Nf1 gxf5 {Stockfish11}) 24... Rxc1+ 25. Rf1 Rxf1+ ( 25... Nxg4 26. hxg4 Qe3 27. Qxe3 Bxe3 28. fxg6 hxg6 29. Bxf7+ Kg7 30. Be6 Bc6 $19 {Stockfish11-the Bl Bs will a pawn on the Q side}) 26. Nxf1 Nxg4 27. hxg4 Qd4 (27... Kg7) 28. g3 (28. Qc2 Qd7) 28... Bc1 29. fxg6 (29. f6 exf6 30. Qc2 Bxb2 31. Qc7 Bxe4+ 32. dxe4 Qxe4+ 33. Kh2 Qe2+ 34. Kh3 Qxf1+ 35. Kh2 Qf2+ 36. Kh3 Kg7 37. Qxf7+ Kh6 38. Bd5 Bxa3 {Stockfish11}) 29... hxg6 30. Qf3 e6 31. Qf6 Qxd3 32. Bxe6 (32. Kg1 Qxe4 33. Kf2 Bxb2) 32... Qxe4+ 33. Kg1 Qg2# 0-1 [Event "Dyfed Open"] [Site "Fishguard"] [Date "2020.02.16"] [Round "5.15"] [White "Ley, Cyril"] [Black "Francis, Matthew"] [Result "1/2-1/2"] [ECO "A09"] [WhiteElo "1603"] [BlackElo "1642"] [Annotator "kemen"] [PlyCount "50"] [EventDate "2020.??.??"] [SourceVersionDate "2020.02.18"] 1. Nf3 d5 2. c4 dxc4 (2... c6) (2... e6) 3. Na3 (3. e3) 3... Nf6 (3... c5) 4. Nxc4 e6 5. d3 (5. g3 {main} Be7 6. Bg2 O-O 7. O-O c5 8. b3 (8. d4)) 5... Be7 ( 5... Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 O-O 8. e4 b6 9. Be2 Ba6 10. Nce5 c5 { Bilek-Snorek, Prague op 2008,0-1}) (5... b5 6. Ncd2 Bb7 7. e3 a6 8. Be2 Be7 9. Qc2 c5 {Akhmedzhanov-Mescheryakov, Astrakhan Ritminform Cup 2013,1-0}) 6. g3 O-O 7. Bg2 c6 (7... c5 8. O-O {transposes to 10 games}) 8. O-O Nbd7 9. Bf4 (9. Bd2 {Stockfish11; 1.5-0.5}) (9. a3 b5) (9. b3 {0-1}) 9... Nb6 10. Rc1 Nbd5 (10... Nxc4) 11. Bd2 h6 12. Qb3 (12. d4 {Stockfish11}) 12... Nd7 ( 12... c5) 13. d4 c5 14. Ba5 (14. Rfd1 {Bl is behind in development, & has the usual difficulties with his QB in Q pawn lines}) 14... b6 15. Bd2 cxd4 ( 15... Bb7) 16. Nxd4 Nc5 (16... Bb7) 17. Qd1 (17. Qc2) 17... Bd7 (17... Bf6 18. Nb3 Ba6 19. Nxc5 bxc5 20. Ba5 Qc8 21. b3 Rb8 22. Bxd5 exd5 23. Qxd5 Re8 24. e3 Bb7 25. Qd1 Qc6 26. f3 Bg5 27. Kf2 Qe6 {Bl has counter-play for the pawn }) (17... Bb7 18. b4 Nf6 19. Bxb7 Nxb7 20. Nc6 Qe8 21. b5 {Stockfish11}) 18. e4 Nf6 19. Ne5 (19. Qe2) 19... Rc8 (19... Ba4 20. Ndc6 Bxd1 21. Nxd8 Rfxd8 22. Rfxd1 Rac8 {Stockfish11}) 20. Qe2 (20. Bf4 Ncxe4 (20... Be8 21. Re1) 21. Ndc6 Bxc6 22. Qxd8 Bxd8 23. Nxc6 {Stockfish11}) 20... Be8 21. Bc3 {Wh has been shifting this B around several times} (21. Qe3 { Stockfish11}) (21. Be3 Bd6 22. f4 Ncxe4 23. Rxc8 Qxc8 24. Rc1 Qd8 25. Ndc6 Bxc6 26. Nxc6 Qd7 27. b4 Be7 28. a3 Re8 29. Bf3 Nd6 30. Qa6 {Stockfish11}) 21... Qd6 (21... Na4) 22. Nc4 (22. Nec6 Qc7 23. Nxe7+ Qxe7 24. b4 Na4 25. Nf5 exf5 26. Bxf6 Qd7 27. Rxc8 Qxc8 28. Be7 {Stockfish11}) (22. Nxf7 Bxf7 23. e5 Qd7 24. exf6 Bxf6 (24... gxf6 25. Rfd1) 25. Rfd1 e5 26. Nb5 Qe7 27. Nd6 $18 {Stockfish11}) 22... Qb8 23. Rfd1 (23. e5 Nh7 (23... Nfe4 24. Be1) 24. b4 Na4 25. Bd2 {Stockfish11}) 23... Bd7 24. b3 Rfd8 25. f3 (25. Ba1) 25... Be8 {(draw?)} (25... Be8 26. Ne3) (25... b5 26. Ne3 b4 27. Bb2 a5 ) 1/2-1/2
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