FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/YIjKtSpS"]
[Date "2026.04.27"]
[White "Masterwill"]
[Black "Sadie"]
[Result "0-1"]
[UTCDate "2026.04.27"]
[UTCTime "23:08:22"]
[WhiteElo "1467"]
[BlackElo "1311"]
[WhiteRatingDiff "-24"]
[BlackRatingDiff "+20"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C42"]
[Opening "Russian Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nf6 3. Nxe5 { C42 Russian Game } Qe7 4. d4 Nxe4?! { (1.11 → 1.67) Inaccuracy. Nc6 was best. } (4... Nc6) 5. Bd3 f5? { (1.91 → 3.50) Mistake. d6 was best. } (5... d6 6. Bxe4 dxe5 7. O-O c6 8. dxe5 Be6 9. Nc3 Nd7 10. f4 O-O-O 11. Qf3 f5 12. Bd3) 6. Qh5+?! { (3.50 → 2.59) Inaccuracy. O-O was best. } (6. O-O Nc6 7. Qh5+ g6 8. Nxg6 Qf7 9. Nf4 Nxd4 10. Nc3 Nxc3 11. bxc3 Qxh5 12. Nxh5 Ne6) 6... g6?! { (2.59 → 3.98) Inaccuracy. g6 was best. } (6... g6 7. Nxg6) 7. Qf3?? { (3.98 → -3.02) Blunder. Nxg6 was best. } (7. Nxg6 hxg6 8. Qxh8 Ng3+ 9. Be3 Nxh1 10. Nc3 c6 11. Kd2 d5 12. Rxh1 Be6 13. g4 Nd7) 7... Nc6?? { (-3.02 → 0.79) Blunder. d6 was best. } (7... d6 8. Qh3) 8. Bxe4?? { (0.79 → -2.12) Blunder. Nxc6 was best. } (8. Nxc6 bxc6) 8... Nxe5?? { (-2.12 → 0.44) Blunder. Nxd4 was best. } (8... Nxd4) 9. dxe5 Qxe5 10. Nc3?! { (0.40 → -0.40) Inaccuracy. O-O was best. } (10. O-O fxe4) 10... fxe4 11. Nxe4?? { (-0.39 → -5.56) Blunder. Qg3 was best. } (11. Qg3 Qxg3 12. hxg3 Bb4 13. Bh6 Bxc3+ 14. bxc3 Kf7 15. Rh4 d6 16. Kd2 Re8 17. Re1 Bf5) 11... Bh6?? { (-5.56 → 7.46) Blunder. d5 was best. } (11... d5) 12. Bxh6 d5 13. O-O?! { (7.75 → 5.41) Inaccuracy. Qf6 was best. } (13. Qf6) 13... dxe4 14. Qa3? { (5.44 → 3.15) Mistake. Qb3 was best. } (14. Qb3 Be6 15. Qxb7 Kf7 16. Rae1 Rhe8 17. Rxe4 Qc5 18. h4 Rab8 19. Rf4+ Kg8 20. Qa6 Qh5) 14... Be6 15. f4?? { (3.39 → 0.32) Blunder. Rae1 was best. } (15. Rae1 Bd5) 15... Qd4+ 16. Kh1 O-O-O 17. Rad1?? { (0.22 → -7.69) Blunder. f5 was best. } (17. f5) 17... Qxd1 18. f5? { (-7.68 → Mate in 1) Checkmate is now unavoidable. Rg1 was best. } (18. Rg1 a6) 18... Qxf1# { Black wins by checkmate. } 0-1