[Event "Casual rapid game"] [Site "https://lichess.org/Mka5k07z"] [Date "2021.02.28"] [White "August-nimzo"] [Black "Nimzowic"] [Result "1-0"] [UTCDate "2021.02.28"] [UTCTime "07:59:05"] [WhiteElo "2028"] [BlackElo "1898"] [Variant "Standard"] [TimeControl "600+5"] [ECO "B56"] [Opening "Sicilian Defense: Classical Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 { B56 Sicilian Defense: Classical Variation } 6. Bb5 Bd7 7. Be3 g6 8. Qd2 Bg7 9. O-O-O? { (0.55 → -0.59) Mistake. f3 was best. } (9. f3) 9... O-O? { (-0.59 → 0.53) Mistake. Ng4 was best. } (9... Ng4 10. Nb3 Nxe3 11. Qxe3 O-O 12. f4 a6 13. Be2 b5 14. h4 b4 15. Na4 Rb8 16. h5) 10. h4? { (0.53 → -0.77) Mistake. f3 was best. } (10. f3) 10... h5? { (-0.77 → 0.47) Mistake. Nxd4 was best. } (10... Nxd4 11. Bxd4) 11. f3 a6 12. Be2 Ne5?! { (0.40 → 1.38) Inaccuracy. Rc8 was best. } (12... Rc8) 13. Rdg1 b5 14. g4 hxg4? { (1.02 → 2.50) Mistake. Rc8 was best. } (14... Rc8 15. Nd5) 15. fxg4?? { (2.50 → -1.93) Blunder. h5 was best. } (15. h5 gxf3) 15... Nexg4?? { (-1.93 → 3.29) Blunder. b4 was best. } (15... b4) 16. Bxg4 Nxg4 17. h5 Kh7?? { (3.12 → 9.59) Blunder. Rc8 was best. } (17... Rc8 18. Nd5) 18. hxg6+ Kxg6? { (9.81 → Mate in 9) Checkmate is now unavoidable. Kg8 was best. } (18... Kg8 19. Rxg4 Bxg4 20. Qh2 fxg6 21. Qh7+ Kf7 22. Bh6 Rg8 23. Rf1+ Ke8 24. Qxg6+ Kd7 25. Qxg4+) 19. Rh4?! { (Mate in 9 → 11.49) Lost forced checkmate sequence. Nf5 was best. } (19. Nf5 Bxf5 20. exf5+ Kxf5 21. Qd5+ e5 22. Rxg4 Kf6 23. Bg5+ Kf5 24. Rf4+ Kg6 25. Bf6 Bxf6) 19... Qc8?! { (11.49 → Mate in 13) Checkmate is now unavoidable. f5 was best. } (19... f5 20. Nxf5) 20. Nf5 Bxc3?! { (12.57 → Mate in 1) Checkmate is now unavoidable. Bxf5 was best. } (20... Bxf5 21. exf5+) 21. Rgxg4+ Kf6 22. Bg5+ Ke5 23. Qd5# { White wins by checkmate. } 1-0