CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/0HeWkhIr"] [Date "2026.07.21"] [White "Mark-David"] [Black "Gus"] [Result "0-1"] [UTCDate "2026.07.21"] [UTCTime "20:45:50"] [WhiteElo "1249"] [BlackElo "1407"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+37"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C46"] [Opening "Three Knights Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bb4?! { (0.18 → 0.93) Inaccuracy. Nf6 was best. } { C46 Three Knights Opening } (3... Nf6 4. Bb5 Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Qe2 Qxe2+ 10. Kxe2) 4. Bc4?! { (0.93 → 0.27) Inaccuracy. Nd5 was best. } (4. Nd5 Nf6 5. c3 Be7 6. Bd3 d6 7. Bc2 O-O 8. O-O Bg4 9. h3 Bh5 10. Re1 Re8) 4... d6?! { (0.27 → 1.21) Inaccuracy. Bxc3 was best. } (4... Bxc3 5. bxc3 Nf6 6. d3 d5 7. exd5 Nxd5 8. O-O O-O 9. Re1 Bg4 10. Bd2 Bh5 11. a4) 5. O-O?! { (1.21 → 0.51) Inaccuracy. Nd5 was best. } (5. Nd5 Ba5 6. O-O Nf6 7. c3 O-O 8. d4 h6 9. a4 a6 10. b4 Bb6 11. Nxb6 cxb6) 5... Be6? { (0.51 → 1.87) Mistake. Bxc3 was best. } (5... Bxc3 6. bxc3 Nf6 7. Re1 O-O 8. Bf1 Re8 9. h3 b6 10. a4 h6 11. d3 Na5 12. c4) 6. d4?? { (1.87 → -6.07) Blunder. Nd5 was best. } (6. Nd5 Bc5 7. c3 a6 8. d4 exd4 9. cxd4 Ba7 10. Re1 h6 11. Be3 Bxd5 12. Bxd5 Nge7) 6... exd4?? { (-6.07 → 0.95) Blunder. Bxc4 was best. } (6... Bxc4 7. Nd5 Nge7 8. c3 Bxf1 9. Kxf1 Ba5 10. dxe5 dxe5 11. Bg5 f6 12. Bxf6 gxf6 13. Nxf6+) 7. Nxd4?? { (0.95 → -6.07) Blunder. Nd5 was best. } (7. Nd5 Bc5) 7... Bxc4 8. Nxc6 bxc6 9. Qd4 Bxc3?! { (-7.38 → -4.43) Inaccuracy. Bxf1 was best. } (9... Bxf1 10. Qxb4 Bxg2 11. e5 Ne7 12. Bg5 h6 13. Qh4 dxe5 14. Rd1 Bd5 15. Bxe7 Qxe7 16. Qg3) 10. bxc3? { (-4.43 → -7.92) Mistake. Qxc4 was best. } (10. Qxc4 Bf6) 10... Be6?! { (-7.92 → -5.61) Inaccuracy. Bxf1 was best. } (10... Bxf1) 11. Qxg7 Nf6?? { (-5.20 → 6.92) Blunder. Qf6 was best. } (11... Qf6 12. Bh6 Kd7 13. Rfe1 c5 14. Qxf6 Nxf6 15. Bg7 Nh5 16. Bxh8 Rxh8 17. e5 Nf4 18. exd6) 12. Qxh8+ Kd7 13. Qxd8+ Kxd8 14. Re1 Ke7 15. Bg5 h5 16. Bxf6+ Kxf6 17. Rad1?! { (7.46 → 5.39) Inaccuracy. h4 was best. } (17. h4 Rg8 18. Kh2 Ke5 19. Rab1 Rg4 20. f3 Rxh4+ 21. Kg3 Bxa2 22. Kxh4 Bxb1) 17... Rb8?! { (5.39 → 7.30) Inaccuracy. Bxa2 was best. } (17... Bxa2) 18. Rb1 Rxb1 19. Rxb1 Bxa2 20. Ra1 Bc4 21. Rxa7 d5 22. exd5 cxd5 23. Rxc7 Ke6 24. h4 f5 25. Kh2 Bf1 26. Kh3 Ke5 27. Re7+ Kf6 28. Rd7 Ke5 29. Kh2 Bb5 30. Re7+ Kf6 31. Rd7?? { (8.27 → -6.38) Blunder. Ra7 was best. } (31. Ra7 Ke5 32. Ra1 Kd6 33. Ra5 Be2 34. f3 f4 35. Ra8 Bd1 36. Kg1 Bxf3 37. gxf3 Kc5) 31... Bxd7 32. g3 Ke5 33. f4+ Ke4 34. Kh3? { (-9.98 → Mate in 9) Checkmate is now unavoidable. Kg2 was best. } (34. Kg2 Ke3) 34... Kf3 35. g4 fxg4+ 36. Kh2 g3+ 37. Kh1 g2+ 38. Kg1 Kg3 39. f5 Bxf5 40. c4 d4 41. c5 Bxc2 42. c6 d3 43. c7 d2 44. c8=Q d1=Q# { Black wins by checkmate. } 0-1