CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/mKyJMyyF"] [Date "2025.09.07"] [White "Nikolai"] [Black "Allen"] [Result "1-0"] [UTCDate "2025.09.07"] [UTCTime "17:34:56"] [WhiteElo "879"] [BlackElo "1520"] [WhiteRatingDiff "+20"] [BlackRatingDiff "-318"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D02"] [Opening "Queen's Pawn Game: London System"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nf3 Nf6 3. Bf4 { D02 Queen's Pawn Game: London System } Nc6 4. e3 b6?! { (0.75 → 1.78) Inaccuracy. e6 was best. } (4... e6 5. c4 Bd6 6. Bg5 O-O 7. Nc3 Be7 8. Rc1 h6 9. Bxf6 Bxf6 10. cxd5 exd5 11. Bb5) 5. c3?! { (1.78 → 0.85) Inaccuracy. Ne5 was best. } (5. Ne5 Bd7 6. c3 a6 7. Nd2 g6 8. Nxd7 Qxd7 9. Bd3 Bg7 10. Qe2 Nb8 11. O-O O-O) 5... Bb7 6. Bd3 e6 7. Qe2 Bd6 8. O-O?! { (0.73 → 0.21) Inaccuracy. Nbd2 was best. } (8. Nbd2 h6 9. Bg3 Ne7 10. O-O-O a5 11. Rhg1 Bxg3 12. hxg3 c5 13. Bb5+ Bc6 14. Ne5 Bxb5) 8... O-O 9. h3 h6 10. Nbd2 Re8 11. g4? { (0.63 → -0.76) Mistake. Ne5 was best. } (11. Ne5 Bxe5) 11... Nd7?! { (-0.76 → -0.02) Inaccuracy. e5 was best. } (11... e5 12. Bxe5) 12. Bxd6 cxd6 13. e4?! { (0.00 → -0.83) Inaccuracy. Ne1 was best. } (13. Ne1 e5 14. Qd1 Na5 15. Ng2 Rc8 16. Qe2 Qc7 17. f4 Nc4 18. Rab1 Nf6 19. g5 Ne4) 13... e5? { (-0.83 → 0.67) Mistake. dxe4 was best. } (13... dxe4 14. Nxe4 Nf8 15. Ng3 e5 16. dxe5 Nxe5 17. Nxe5 Qc7 18. Be4 Rxe5 19. Qd3 Bxe4 20. Nxe4) 14. dxe5?? { (0.67 → -1.89) Blunder. exd5 was best. } (14. exd5 Na5 15. Rfe1 Bxd5 16. c4 Bb7 17. d5 b5 18. cxb5 Bxd5 19. Ne4 Nb6 20. Rad1 Nb7) 14... dxe5?? { (-1.89 → 1.52) Blunder. Ncxe5 was best. } (14... Ncxe5) 15. exd5 Ne7 16. d6?? { (1.62 → -2.24) Blunder. c4 was best. } (16. c4 Nc5 17. Bc2 e4 18. Nxe4 Nxd5 19. cxd5 Ba6 20. Qe3 Bxf1 21. Kxf1 Qxd5 22. Re1 Qxa2) 16... Bxf3?? { (-2.24 → 7.46) Blunder. Nd5 was best. } (16... Nd5 17. Be4) 17. Qxf3?? { (7.46 → 2.45) Blunder. dxe7 was best. } (17. dxe7 Qxe7 18. Qxf3 e4 19. Qxe4 Qxe4 20. Nxe4 Nc5 21. Nxc5 bxc5 22. Bb5 Red8 23. Rfe1 Rab8) 17... Ng6 18. Be4 Nf6?? { (2.68 → 6.41) Blunder. Rc8 was best. } (18... Rc8 19. Bxg6 fxg6 20. Ne4 Nc5 21. Rad1 Qd7 22. Rd5 Re6 23. Rfd1 Rc6 24. Nxc5 bxc5 25. Qe3) 19. Bxa8 Qxa8 20. d7?! { (6.58 → 4.83) Inaccuracy. Qxa8 was best. } (20. Qxa8 Rxa8) 20... Nxd7 21. Qxa8 Rxa8 22. h4? { (5.02 → 3.02) Mistake. Ne4 was best. } (22. Ne4 Nc5 23. Nxc5 bxc5 24. Kh2 c4 25. b4 Nf4 26. Rfd1 Nd3 27. a4 g5 28. b5 Rb8) 22... Nxh4 23. Kh2?! { (2.90 → 2.04) Inaccuracy. Ne4 was best. } (23. Ne4 Rc8 24. Rad1 Nc5 25. Nxc5 Rxc5 26. f4 e4 27. Rd8+ Kh7 28. Kf2 f5 29. gxf5 Nxf5) 23... Ng6? { (2.04 → 3.39) Mistake. Nc5 was best. } (23... Nc5 24. Nc4 Rc8 25. Rfd1 g5 26. Nd6 Rc7 27. Rd5 Na4 28. Rb1 f6 29. Kg3 Nxc3 30. bxc3) 24. Kg3?? { (3.39 → 1.46) Blunder. Ne4 was best. } (24. Ne4) 24... Ne7?? { (1.46 → 3.88) Blunder. Nc5 was best. } (24... Nc5 25. Rad1) 25. Nc4?! { (3.88 → 2.87) Inaccuracy. Ne4 was best. } (25. Ne4 f5 26. Rad1 Nf8 27. gxf5 Nxf5+ 28. Kg4 Ne7 29. Rd6 Rc8 30. Rfd1 Rc4 31. f3 Ra4) 25... g5?? { (2.87 → 5.80) Blunder. Ng6 was best. } (25... Ng6) 26. f3?! { (5.80 → 3.90) Inaccuracy. Rad1 was best. } (26. Rad1) 26... Kg7?! { (3.90 → 5.39) Inaccuracy. Ng6 was best. } (26... Ng6 27. Rad1) 27. f4?? { (5.39 → -2.98) Blunder. Rad1 was best. } (27. Rad1 Nf6) 27... exf4+ 28. Kf3?! { (-2.94 → -4.48) Inaccuracy. Kh3 was best. } (28. Kh3 f5) 28... f6?? { (-4.48 → 0.15) Blunder. Ng6 was best. } (28... Ng6 29. Rfe1) 29. Rfe1?? { (0.15 → -3.50) Blunder. Rad1 was best. } (29. Rad1 Nf8) 29... Re8?? { (-3.50 → 6.04) Blunder. Nc6 was best. } (29... Nc6 30. Rad1 Nde5+ 31. Rxe5 Nxe5+ 32. Nxe5 fxe5 33. Rd7+ Kg8 34. Re7 Rd8 35. a4 Rd3+ 36. Ke4) 30. Nd6?! { (6.04 → 4.11) Inaccuracy. Rad1 was best. } (30. Rad1 Nb8) 30... Ne5+? { (4.11 → 7.37) Mistake. Kf8 was best. } (30... Kf8 31. Nxe8 Kxe8 32. Rad1 Ne5+ 33. Rxe5 fxe5 34. Ke4 Ng6 35. Rd6 Kf7 36. Rd7+ Kf6 37. Rh7) 31. Ke4?? { (7.37 → -3.23) Blunder. Rxe5 was best. } (31. Rxe5 fxe5) 31... Rd8 32. Nf5+ Nxf5 33. gxf5? { (-3.62 → -6.11) Mistake. Kxf5 was best. } (33. Kxf5 f3 34. Re4 Rd2 35. a4 f2 36. b4 Rd3 37. Rf1 Rf3+ 38. Ke6 Kg6 39. a5 b5) 33... Nc4 34. Kf3 Nd2+ 35. Kg4? { (-4.51 → -8.76) Mistake. Ke2 was best. } (35. Ke2 Nc4 36. Red1 Rxd1 37. Rxd1 h5 38. Rd4 Ne5 39. c4 h4 40. b4 h3 41. c5 h2) 35... Rd3?? { (-8.76 → 1.99) Blunder. h5+ was best. } (35... h5+ 36. Kh3 g4+ 37. Kg2 Kh6 38. Rad1 Kg5 39. Re7 f3+ 40. Kh1 f2 41. Kg2 f1=Q+ 42. Rxf1) 36. Re7+?! { (1.99 → 1.03) Inaccuracy. Re7+ was best. } (36. Re7+ Kf8 37. Rae1 Rd8 38. Rh7 Rd3 39. Kh5 Nf3 40. Re6 Ne5 41. Rxe5 fxe5 42. f6 Rd6) 36... Kg8?? { (1.03 → 4.11) Blunder. Kf8 was best. } (36... Kf8 37. Rae1 Rd8 38. Rh7 Rd3 39. Kh5 Nf3 40. Re6 Ne5 41. Rxe5 fxe5 42. Kg6 Rd6+ 43. f6) 37. Rxa7?? { (4.11 → -2.47) Blunder. Rae1 was best. } (37. Rae1 Rd8 38. Rc7 a6 39. Ree7 f3 40. Rg7+ Kf8 41. Rh7 Kg8 42. Rcg7+ Kf8) 37... Rxc3?? { (-2.47 → 12.34) Blunder. Nf3 was best. } (37... Nf3 38. Kh5 Ne5 39. Ra8+ Kf7 40. Ra7+ Kf8 41. Ra8+ Ke7 42. Ra7+ Kd6 43. Kxh6 g4 44. Ra4) 38. bxc3 { Black resigns. } 1-0