FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/0YL9PDJW"]
[Date "2026.05.15"]
[White "Mark2"]
[Black "Nathan4"]
[Result "0-1"]
[UTCDate "2026.05.15"]
[UTCTime "23:11:59"]
[WhiteElo "1288"]
[BlackElo "1326"]
[WhiteRatingDiff "-10"]
[BlackRatingDiff "+11"]
[WhiteTitle "࿄"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C46"]
[Opening "Four Knights Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 { C46 Four Knights Game } 4. g3 Bc5 5. Bg2 O-O?! { (-0.25 → 0.46) Inaccuracy. d6 was best. } (5... d6 6. d3 a5 7. Na4 Ba7 8. Nc3 a4 9. O-O Bc5 10. h3 h6 11. Nb5 Bd7 12. c3) 6. O-O?! { (0.46 → -0.27) Inaccuracy. Nxe5 was best. } (6. Nxe5 Nxe5 7. d4 Bd6 8. dxe5 Bxe5 9. O-O c6 10. Re1 Re8 11. a4 Qa5 12. Bd2 d6) 6... d6 7. Nb5?? { (-0.21 → -2.04) Blunder. d3 was best. } (7. d3 a5 8. Na4 Ba7 9. Nc3 Nd4 10. Nxd4 Bxd4 11. Ne2 Bb6 12. h3 c6 13. c4 a4) 7... a6? { (-2.04 → -0.47) Mistake. Nxe4 was best. } (7... Nxe4 8. d3) 8. Nc3 Bg4 9. Qe1 Nd4 10. Qd1?? { (-0.34 → -2.80) Blunder. Nxd4 was best. } (10. Nxd4 exd4) 10... Nxf3+?? { (-2.80 → -0.65) Blunder. Nd7 was best. } (10... Nd7 11. h3) 11. Bxf3 Bxf3 12. Qxf3 Bd4 13. Nd5? { (-0.02 → -1.30) Mistake. d3 was best. } (13. d3 Qd7 14. Bg5 Ne8 15. a4 a5 16. Qf5 Qxf5 17. exf5 f6 18. Bd2 c6 19. Ne2 Bc5) 13... Nxd5 14. exd5 Qd7 15. b3?? { (-1.34 → -8.37) Blunder. d3 was best. } (15. d3 f5) 15... Bxa1 16. Ba3 Rfe8?! { (-8.92 → -6.17) Inaccuracy. Bd4 was best. } (16... Bd4 17. c3 Bb6 18. d4 Rae8 19. Bc1 exd4 20. a4 Qh3 21. Bf4 d3 22. a5 Qf5 23. axb6) 17. Rxa1 e4 18. Qh5 g6? { (-6.87 → -3.49) Mistake. Re5 was best. } (18... Re5) 19. Qh6 Re5?? { (-3.78 → -1.37) Blunder. Qf5 was best. } (19... Qf5) 20. Bb2 Qf5 21. Bxe5 Qxe5 22. f4?? { (-1.39 → -9.92) Blunder. Re1 was best. } (22. Re1 Qxd5 23. Qe3 Re8 24. d3 f5 25. f3 Qe5 26. dxe4 d5 27. Qa7 dxe4 28. Qxb7 Qc3) 22... Qxa1+ 23. Kg2 Qg7 24. Qxg7+ Kxg7 25. g4 c6 26. dxc6 bxc6 27. c4 d5 28. cxd5 cxd5 29. b4 Kf6 30. a4 g5 31. fxg5+ Kxg5 32. h3 Kf4 33. b5 axb5 34. axb5 Rb8 35. b6 Rxb6 36. h4 Kxg4 37. h5?! { (-69.77 → Mate in 11) Checkmate is now unavoidable. Kf2 was best. } { White offers draw } (37. Kf2 d4 38. h5 Rb2 39. Ke1 d3 40. Kf2 Rxd2+ 41. Ke3 Re2+ 42. Kd4 Kxh5 43. Kc3 d2) 37... Rb2 38. h6 Rxd2+ 39. Kf1 Kf3 40. Ke1 Rh2 41. Kd1 Ke3 42. Ke1 Rh1# { Black wins by checkmate. } 0-1