FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/DGBzAyvJ"]
[Date "2026.04.24"]
[White "Mark2"]
[Black "Matthew11"]
[Result "0-1"]
[UTCDate "2026.04.24"]
[UTCTime "23:15:08"]
[WhiteElo "1249"]
[BlackElo "1481"]
[WhiteRatingDiff "-5"]
[BlackRatingDiff "+5"]
[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 d6 6. O-O O-O 7. b3 Nd4 8. Nxd4 Bxd4 9. Nb5?? { (-0.25 → -7.53) Blunder. Rb1 was best. } (9. Rb1 c6 10. h3 Re8 11. Ne2 Bb6 12. c4 d5 13. d3 dxe4 14. dxe4 Qxd1 15. Rxd1 Be6) 9... Bxa1 10. Ba3 Bd4 11. c3 Bb6 12. c4 Re8 13. d4 a6 14. dxe5 axb5 15. exf6 Rxa3 16. Qc1 Rxa2 17. e5 Rxe5 18. Re1 Bxf2+ 19. Kf1?! { (-23.93 → Mate in 5) Checkmate is now unavoidable. Kh1 was best. } (19. Kh1 Bxe1) 19... Bxe1 20. Qf4 Qxf6 21. Qxf6 gxf6 22. Bf3 { White offers draw } 22... Rxh2 23. Kg1 Rb2 24. Bh5 Rxh5 25. g4 Rhh2 26. Kf1 Rb1 27. Kg1 Ba5+?! { (Mate in 1 → -68.50) Lost forced checkmate sequence. Bg3# was best. } (27... Bg3#) 28. Kxh2 Rxb3 29. cxb5 Bxg4 30. Kg2 Be1 31. b6 Rb2+ 32. Kf1 Re2 33. bxc7 Bh3+ 34. Kxe2 Ba5 35. c8=Q+ Bxc8 36. Kd3 h5 37. Kc4 h4 38. Kd3 h3 39. Ke3 h2 40. Kf2 h1=Q 41. Ke2 Qh2+ 42. Kd3 Qe5 43. Kc4 Be6+ 44. Kd3 Qc3+ 45. Ke4 Bb6 46. Kf4 Qd4+ 47. Kf3 Qe3+ 48. Kg2 Qf2+ 49. Kh1 Qg1# { Black wins by checkmate. } 0-1