FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/OzlYPq2u"]
[Date "2026.09.20"]
[White "Sasha"]
[Black "Harry2"]
[Result "0-1"]
[UTCDate "2026.09.20"]
[UTCTime "17:33:22"]
[WhiteElo "1580"]
[BlackElo "1618"]
[WhiteRatingDiff "-13"]
[BlackRatingDiff "+8"]
[WhiteTitle "GM🥈"]
[BlackTitle "IM🥚"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "A48"]
[Opening "London System"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 Nf6 2. Nf3 g6 3. Bf4 { A48 London System } Bg7 4. e3 O-O 5. c3 Nc6 6. Bd3?! { (0.37 → -0.15) Inaccuracy. h3 was best. } (6. h3 d6 7. Bh2 b6 8. Be2 Bb7 9. O-O Re8 10. d5 Nb8 11. c4 c6 12. dxc6 Nxc6) 6... d6 { Black offers draw } 7. Nbd2 Bg4?! { (-0.33 → 0.53) Inaccuracy. e5 was best. } (7... e5 8. Bg5) 8. O-O Nd5?! { (0.20 → 0.95) Inaccuracy. e5 was best. } (8... e5 9. Bg5) 9. Be4?! { (0.95 → 0.16) Inaccuracy. Bg3 was best. } (9. Bg3 e5 10. h3 Bd7 11. a4 a5 12. Re1 exd4 13. exd4 Nce7 14. Qb3 b6 15. Bh4 Bf6) 9... Nxf4 10. exf4 d5 11. Bd3 Bh6?! { (-0.02 → 0.58) Inaccuracy. Qd6 was best. } (11... Qd6 12. g3) 12. h3? { (0.58 → -0.69) Mistake. g3 was best. } (12. g3 Bg7) 12... Bxf3? { (-0.69 → 0.58) Mistake. Bc8 was best. } (12... Bc8 13. g3 Bxh3 14. Re1 e6 15. Nf1 Ne7 16. Ne3 c6 17. a4 a5 18. Kh2 Bf5 19. Kg2) 13. Qxf3 Bg7?! { (0.26 → 1.27) Inaccuracy. e6 was best. } (13... e6 14. g3) 14. f5? { (1.27 → 0.18) Mistake. h4 was best. } (14. h4 e6) 14... e6 15. fxg6 fxg6 16. Qg4 Qd6?! { (-0.32 → 0.53) Inaccuracy. e5 was best. } (16... e5 17. Bb5) 17. Nf3 Qf4?? { (0.50 → 4.34) Blunder. e5 was best. } (17... e5) 18. Qxf4?? { (4.34 → 1.56) Blunder. Qxe6+ was best. } (18. Qxe6+ Qf7 19. Qg4 Qf4 20. Rfe1 Qxg4 21. hxg4 Rae8 22. Bb5 Rxe1+ 23. Rxe1 Na5 24. Bd3 c6) 18... Rxf4 19. Bb5 h6? { (0.92 → 2.12) Mistake. Nd8 was best. } (19... Nd8 20. Rfe1) 20. Bxc6?! { (2.12 → 1.16) Inaccuracy. Rae1 was best. } (20. Rae1 Kf7 21. Re3 Nd8 22. Rfe1 Ke7 23. h4 Rf6 24. Ne5 g5 25. Rg3 c6 26. Bd3 Nf7) 20... bxc6 21. Nh4?? { (1.01 → -6.33) Blunder. Rfe1 was best. } (21. Rfe1 Kf7 22. b3 c5 23. Rac1 a5 24. dxc5 a4 25. Re3 axb3 26. axb3 Ra2 27. Rce1 Re4) 21... Rxh4 22. g3 Rxh3 23. Kg2 Rh5 24. f4 Bf6 25. g4 Rh4 26. Kg3 h5 27. g5 Rg4+ 28. Kf3 Bg7 29. Rfe1 Rf8 30. Rxe6 Rfxf4+ 31. Ke3 Re4+ 32. Rxe4 Rxe4+ 33. Kf3 Kh7 34. Rg1 Bf8 35. Kg3 Rg4+ 36. Kh2 Bd6+ 37. Kh1 Rh4+ 38. Kg2 Rg4+ 39. Kf1 Rxg1+ 40. Kxg1 Kg7 41. Kf2 Kf7 42. b3 Ke6 43. c4 dxc4 44. bxc4 Kf5 45. Kf3 Kxg5 46. Ke4 h4 47. Kf3 h3 48. Kf2 h2 49. Kg2 Kg4 50. Kh1?! { (-61.27 → Mate in 6) Checkmate is now unavoidable. Kf2 was best. } (50. Kf2 h1=R) 50... Kf4?! { (Mate in 6 → -14.42) Lost forced checkmate sequence. Kf3 was best. } (50... Kf3 51. c5 Bf4 52. d5 g5 53. d6 g4 54. dxc7 g3 55. c8=Q g2#) 51. d5 cxd5 52. cxd5 Ke4 53. a4 Kxd5 54. a5 a6 55. Kg2 g5 56. Kh1 g4 57. Kg2 g3 58. Kh1 Kd4 59. Kg2 Ke3 60. Kh1 c5 61. Kg2 c4 62. Kf1 h1=Q# { Black wins by checkmate. } 0-1