[Event "2020 Winter Marathon"] [Site "https://lichess.org/q69B4zGI"] [Date "2020.12.28"] [White "KosTya2007"] [Black "lement"] [Result "1-0"] [UTCDate "2020.12.28"] [UTCTime "06:18:26"] [WhiteElo "2107"] [BlackElo "1367"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-1"] [Variant "Standard"] [TimeControl "120+1"] [ECO "D11"] [Opening "Slav Defense: Modern Line"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 c6 2. Nf3 d5 3. c4 { D11 Slav Defense: Modern Line } dxc4 4. Nc3 Bf5?? { (0.20 → 2.14) Blunder. b5 was best. } (4... b5 5. g3 Nf6 6. Bg2 e6 7. Ne5 Nd5 8. O-O Bd6 9. f4) 5. e4 Bg6 6. Bxc4 Nd7 7. h4 h6 8. h5 Bh7 9. d5 cxd5 10. Nxd5?? { (2.06 → -0.11) Blunder. Bxd5 was best. } (10. Bxd5) 10... Ngf6?? { (-0.11 → 1.82) Blunder. Rc8 was best. } (10... Rc8 11. Bd3) 11. Bf4 e6?? { (2.27 → 7.15) Blunder. Rc8 was best. } (11... Rc8 12. Nxf6+ gxf6 13. Qe2 e5 14. Bd2 Rg8 15. O-O Rxc4 16. Qxc4 Rg4 17. Nh2 Rxe4 18. Qc2) 12. Nc7+ Ke7?? { (6.46 → Mate in 1) Checkmate is now unavoidable. Qxc7 was best. } (12... Qxc7 13. Bxc7) 13. Qd6# { White wins by checkmate. } 1-0