[Event "2019 Winter Marathon"] [Site "https://lichess.org/6m7ZByvO"] [Date "2019.12.28"] [White "aletandapata"] [Black "abdou01"] [Result "1-0"] [UTCDate "2019.12.28"] [UTCTime "23:43:16"] [WhiteElo "1271"] [BlackElo "1829"] [WhiteRatingDiff "+16"] [BlackRatingDiff "-12"] [Variant "Standard"] [TimeControl "180+2"] [ECO "A46"] [Opening "Indian Defense: London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Bf4 e6 3. Nf3 { A46 Indian Defense: London System } c5 4. c3 d5 5. Nbd2 Nbd7 6. Qc2 b6?! { (0.17 → 0.85) Inaccuracy. h6 was best. } (6... h6 7. e3 Be7 8. h3 b6 9. Be2 O-O 10. O-O Bb7 11. Rfd1 Rc8 12. Bh2 c4 13. a4) 7. e4 dxe4 8. Nxe4 Bb7 9. Nxf6+ Nxf6?? { (0.90 → 4.81) Blunder. Qxf6 was best. } (9... Qxf6 10. Bg5 Qf5 11. Qxf5 exf5 12. Bf4 Be7 13. O-O-O O-O 14. d5 a6 15. Bd3 g6 16. c4) 10. Bb5+ Nd7 11. O-O-O?? { (5.82 → 1.87) Blunder. Ne5 was best. } (11. Ne5 Bd6 12. Bxd7+ Kf8 13. O-O-O Bxe5 14. dxe5 Qh4 15. Bg3 Qe4 16. Qxe4 Bxe4 17. f3 Bd5) 11... Be7?? { (1.87 → 7.56) Blunder. a6 was best. } (11... a6) 12. dxc5 bxc5 13. Rxd7 Qxd7 14. Bxd7+ Kxd7?! { (13.39 → Mate in 8) Checkmate is now unavoidable. Kf8 was best. } (14... Kf8 15. Qa4 Bd5 16. Bc6 Bxc6 17. Qxc6 Re8 18. Be3 a5 19. Bxc5 f6 20. Nd4 Bxc5 21. Qxc5+) 15. Rd1+?! { (Mate in 8 → 14.59) Lost forced checkmate sequence. Qa4+ was best. } (15. Qa4+ Kc8 16. Rd1 Rd8 17. Rxd8+ Bxd8 18. Ne5 Bc6 19. Qxc6+ Bc7 20. Nxf7 e5 21. Nd6+ Kd8) 15... Ke8 16. Qa4+ Kf8 17. Qd7 Be4 18. Bg5 Bxf3?! { (10.81 → Mate in 3) Checkmate is now unavoidable. f6 was best. } (18... f6 19. Ne5) 19. Bxe7+ Kg8 20. Qd8+ Rxd8 21. Rxd8# { White wins by checkmate. } 1-0