[Event "Rated classical game"] [Site "https://lichess.org/E3V1FJpx"] [Date "2021.09.10"] [White "mahmod289"] [Black "cosmoroute"] [Result "0-1"] [UTCDate "2021.09.10"] [UTCTime "12:07:04"] [WhiteElo "1889"] [BlackElo "1931"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+19"] [Variant "Standard"] [TimeControl "1800+0"] [ECO "A50"] [Opening "Mexican Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 Nc6 { A50 Mexican Defense } 3. Nc3 e5 4. d5 Ne7 5. a3 Ng6 6. e4 Bc5 7. h3? { (0.97 → -0.21) Mistake. b4 was best. } (7. b4 Be7 8. c5 d6 9. Bb5+ Bd7 10. c6 bxc6 11. Bxc6 Bxc6) 7... d6 8. Nf3 a5 9. Be2 O-O 10. O-O?! { (0.00 → -0.75) Inaccuracy. Bd3 was best. } (10. Bd3 c6 11. Be3 cxd5 12. cxd5 Bxe3 13. fxe3 Nd7 14. Na4 Nb6 15. Nc3) 10... Re8? { (-0.75 → 0.47) Mistake. Nh5 was best. } (10... Nh5 11. Kh2 Nhf4 12. Be3 b6 13. Re1 Nxe2 14. Nxe2 f5 15. exf5 Bxf5 16. Ng3 h6 17. Nxf5) 11. Qc2 Nh5 12. Kh2 Nhf4 13. Bd1 Rf8?! { (-0.29 → 0.28) Inaccuracy. Nh4 was best. } (13... Nh4) 14. Ng1 f5 15. f3?? { (1.03 → -3.37) Blunder. g3 was best. } (15. g3 Qg5 16. Bf3 Qh6 17. Bg2 Qh5 18. gxf4 exf4 19. Qd1 Qh6 20. exf5 Bxf5 21. Nb5 Nh4) 15... Qh4 16. Bd2? { (-2.86 → -5.31) Mistake. Qd2 was best. } (16. Qd2) 16... Bxg1+ 17. Rxg1 fxe4 18. fxe4? { (-5.62 → -23.11) Mistake. Bxf4 was best. } (18. Bxf4 Nxf4 19. Nxe4 Nxh3 20. Rf1 Bf5 21. gxh3 Qxh3+ 22. Kg1 Bxe4 23. Qg2 Qxg2+ 24. Kxg2 Bd3) 18... Nxh3 19. Be1? { (-8.00 → Mate in 1) Checkmate is now unavoidable. g3 was best. } (19. g3 Rf2+) 19... Nf2# { Black wins by checkmate. } 0-1