[Event "2020 Autumn Marathon"] [Site "https://lichess.org/ydM9Mpd6"] [Date "2020.10.24"] [White "VadimCernov"] [Black "MichalPawlak"] [Result "1-0"] [UTCDate "2020.10.24"] [UTCTime "17:20:35"] [WhiteElo "2449"] [BlackElo "2109"] [WhiteRatingDiff "+2"] [BlackRatingDiff "-1"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "180+0"] [ECO "B21"] [Opening "Sicilian Defense: McDonnell Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. f4 { B21 Sicilian Defense: McDonnell Attack } d5 3. exd5 Qxd5 4. Nc3 Qf5?! { (0.31 → 1.39) Inaccuracy. Qd8 was best. } (4... Qd8 5. Nf3 Nc6 6. b3 e6 7. Bb2 Bd7 8. Bd3 Nb4 9. Qe2) 5. Nf3 Nc6?! { (0.97 → 1.64) Inaccuracy. g6 was best. } (5... g6 6. d4) 6. d4 cxd4 7. Nb5?! { (1.76 → 0.66) Inaccuracy. Nxd4 was best. } (7. Nxd4) 7... Qe4+?? { (0.66 → 3.99) Blunder. Qd7 was best. } (7... Qd7 8. Nbxd4) 8. Be2 Rb8 9. Nfxd4?? { (4.88 → 1.03) Blunder. O-O was best. } (9. O-O) 9... Qxg2?? { (1.03 → Mate in 4) Checkmate is now unavoidable. Nxd4 was best. } (9... Nxd4) 10. Bf3? { (Mate in 4 → 7.25) Lost forced checkmate sequence. Nc7+ was best. } (10. Nc7+ Kd7 11. Nde6+ Nd4 12. Qxd4+ Kc6 13. Bb5#) 10... Qg6? { (7.25 → Mate in 4) Checkmate is now unavoidable. Bg4 was best. } (10... Bg4 11. Nc7+ Kd8 12. Ne2+ Kxc7 13. Bxg2 Rd8 14. Bd2 Nf6 15. h3 Bh5 16. Bxc6 Kxc6 17. c3) 11. Nxc6?! { (Mate in 4 → 16.54) Lost forced checkmate sequence. Nc7+ was best. } (11. Nc7+ Kd7 12. Nde6+ Qd3 13. Qxd3+ Nd4 14. Qxd4#) 11... bxc6?! { (16.54 → Mate in 1) Checkmate is now unavoidable. Qd6 was best. } (11... Qd6 12. Nxd6+ exd6 13. Nxb8 Be7 14. Qd4 Bf6 15. Qxd6 Ne7 16. O-O O-O 17. Nd7 Bxd7 18. Qxd7) 12. Nc7# { White wins by checkmate. } 1-0