[Event "Rated classical game"] [Site "https://lichess.org/ynqfbEjH"] [Date "2022.05.16"] [White "defensabelga4"] [Black "Osamodas"] [Result "0-1"] [UTCDate "2022.05.16"] [UTCTime "18:16:23"] [WhiteElo "1769"] [BlackElo "2097"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+5"] [Variant "Standard"] [TimeControl "1500+0"] [ECO "A01"] [Opening "Nimzo-Larsen Attack: Spike Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. b3 Nf6 2. Bb2 g6 3. g4 { A01 Nimzo-Larsen Attack: Spike Variation } Bg7 4. g5 Nh5 5. Bxg7 Nxg7 6. e3 O-O 7. Na3?? { (-0.23 → -2.12) Blunder. d4 was best. } (7. d4 d5 8. Nc3 c6 9. h4 Bf5 10. Qd2 Nd7 11. f4 e6) 7... e5 8. h4 d5 9. c3 Nc6 10. Nc2 Bf5 11. d3 f6 12. Nf3 fxg5 13. Nxg5 Qf6?! { (-3.17 → -2.31) Inaccuracy. h6 was best. } (13... h6 14. e4 Bd7 15. exd5 hxg5 16. dxc6 Bxc6 17. Rh2 gxh4 18. Qd2 Qf6 19. O-O-O Rae8 20. Bg2) 14. Be2?? { (-2.31 → -4.89) Blunder. Qd2 was best. } (14. Qd2) 14... h6 15. f4?! { (-5.00 → -7.69) Inaccuracy. Qd2 was best. } (15. Qd2 Rad8) 15... exf4 16. Nf3 fxe3 17. Nxe3 Qxc3+ 18. Nd2 Rae8 19. Nxd5 Rxe2+ 20. Kxe2?! { (-12.70 → Mate in 9) Checkmate is now unavoidable. Qxe2 was best. } (20. Qxe2 Qxa1+) 20... Qxd3+?! { (Mate in 9 → -18.17) Lost forced checkmate sequence. Bxd3+ was best. } (20... Bxd3+ 21. Ke1 Qe5+ 22. Ne4 Qxe4+ 23. Kd2 Rf2+ 24. Kc1 Qd4 25. Qe2 Rxe2 26. Ne7+ Nxe7 27. Rb1) 21. Ke1?! { (-18.17 → Mate in 2) Checkmate is now unavoidable. Kf2 was best. } (21. Kf2) 21... Re8+?! { (Mate in 2 → -10.38) Lost forced checkmate sequence. Qg3+ was best. } (21... Qg3+ 22. Kf1 Bd3#) 22. Kf2 Qxd5 23. Nc4 Qc5+ 24. Kg3 Nh5+ 25. Kh2?! { (-12.62 → Mate in 1) Checkmate is now unavoidable. Qxh5 was best. } (25. Qxh5 gxh5) 25... Qf2# { Black wins by checkmate. } 0-1