FEN
[Event "March Chess Megatournament"]
[Site "https://cohenchessclub.com/F2i7d8RF"]
[Date "2026.03.15"]
[White "Nikolai"]
[Black "Sasha"]
[Result "0-1"]
[UTCDate "2026.03.15"]
[UTCTime "19:16:49"]
[WhiteElo "1095"]
[BlackElo "1518"]
[WhiteRatingDiff "-2"]
[BlackRatingDiff "+1"]
[BlackTitle "IM🧁"]
[Variant "Standard"]
[TimeControl "600+1"]
[ECO "D02"]
[Opening "Queen's Pawn Game: London System"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 Nf6 2. Nf3 d5 3. Bf4 { D02 Queen's Pawn Game: London System } Bf5 4. c4 dxc4 5. e3 Bxb1 6. Qxb1 e6 7. Bxc4 Qe7? { (0.81 → 2.43) Mistake. Bb4+ was best. } (7... Bb4+ 8. Kf1 Bd6 9. Bg3 c5 10. dxc5 Bxc5 11. Ke2 O-O 12. b4 Be7 13. Rd1 Qb6 14. b5) 8. Bg5? { (2.43 → 1.16) Mistake. O-O was best. } (8. O-O Qd8) 8... Qb4+ 9. Nd2 Be7 10. Bxf6?! { (1.54 → 0.75) Inaccuracy. a3 was best. } (10. a3 Qb6 11. O-O Nbd7 12. Be2 a5 13. Nc4 Qa7 14. Bf4 Nd5 15. Bg3 O-O 16. e4 N5b6) 10... Bxf6 11. Qe4 c6 12. b3?! { (0.63 → 0.12) Inaccuracy. Bb3 was best. } (12. Bb3) 12... c5? { (0.12 → 1.27) Mistake. Nd7 was best. } (12... Nd7 13. Rd1 Nb6 14. O-O Nd5 15. Qc2 Qc3 16. Qb1 Qa5 17. Ne4 Be7 18. g3 h5 19. h4) 13. dxc5?? { (1.27 → -2.71) Blunder. a3 was best. } (13. a3 Qb6) 13... Bxa1 14. Ke2?? { (-2.68 → -5.47) Blunder. a3 was best. } (14. a3 Qxa3) 14... Bc3? { (-5.47 → -2.75) Mistake. Bb2 was best. } (14... Bb2 15. Rb1) 15. Rc1?? { (-2.75 → -8.23) Blunder. a3 was best. } (15. a3 Qxa3) 15... Bxd2 16. Rc2 Be1? { (-8.62 → -4.03) Mistake. Nc6 was best. } (16... Nc6) 17. f3? { (-4.03 → -9.37) Mistake. a3 was best. } (17. a3) 17... Nc6 18. Rc1? { (-9.59 → Mate in 2) Checkmate is now unavoidable. a3 was best. } (18. a3 Qxa3) 18... Qd2+ 19. Kf1 Qf2# { Black wins by checkmate. } 0-1