[Event "Rated classical game"] [Site "https://lichess.org/clOkNZI7"] [Date "2021.04.09"] [White "Key_9"] [Black "xcity"] [Result "1-0"] [UTCDate "2021.04.09"] [UTCTime "20:21:56"] [WhiteElo "1492"] [BlackElo "1500"] [WhiteRatingDiff "+57"] [BlackRatingDiff "-250"] [Variant "Standard"] [TimeControl "1800+0"] [ECO "D00"] [Opening "Queen's Pawn Game: Accelerated London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Accelerated London System } Nc6 3. Nc3 f6 4. e3 e5 5. Bg3 exd4 6. exd4 Bb4 7. a3 Bxc3+ 8. bxc3 Nh6 9. c4? { (0.50 → -0.81) Mistake. Bd3 was best. } (9. Bd3 Bg4 10. Qb1 b6 11. Ne2 Bf5 12. O-O Bxd3 13. cxd3 Qd7 14. Nf4 O-O-O 15. Qa2 Nf5) 9... dxc4? { (-0.81 → 0.42) Mistake. Qe7+ was best. } (9... Qe7+ 10. Be2 dxc4 11. Nf3 Be6 12. c3 O-O 13. O-O Qd7 14. Nd2 Na5 15. d5 Qxd5 16. Bxc7) 10. Rb1?? { (0.42 → -1.78) Blunder. Qh5+ was best. } (10. Qh5+ Kf8) 10... Nxd4 11. Qh5+?? { (-1.22 → -7.78) Blunder. Bxc4 was best. } (11. Bxc4 Bf5) 11... Kf8?? { (-7.78 → -2.59) Blunder. g6 was best. } (11... g6) 12. Bxc4 Qd5?? { (-2.70 → 13.61) Blunder. Nxc2+ was best. } (12... Nxc2+) 13. Bxd5 Nxc2+ 14. Kd1 Nxa3 15. Kc1 Bf5 16. Rxb7 Bg4?! { (15.33 → Mate in 5) Checkmate is now unavoidable. Nb5 was best. } (16... Nb5 17. Rxb5) 17. Qh4?! { (Mate in 5 → 14.63) Lost forced checkmate sequence. Bd6+ was best. } (17. Bd6+ cxd6 18. Rf7+ Ke8 19. Bc6+ Kd8 20. Qa5+ Kc8 21. Qc7#) 17... Ke7 18. Rxc7+ Kd8 19. Rxg7 Nf5?! { (25.82 → Mate in 3) Checkmate is now unavoidable. Rc8+ was best. } (19... Rc8+ 20. Kb2) 20. Qxf6+ Kc8 21. Bxa8 Nxg7 22. Qxg7 Re8 23. Qc7# { White wins by checkmate. } 1-0