[Event "2021 Summer Marathon"] [Site "https://lichess.org/oJlGPOGU"] [Date "2021.08.07"] [White "schachfl"] [Black "dineshpawar"] [Result "0-1"] [UTCDate "2021.08.07"] [UTCTime "15:03:26"] [WhiteElo "2130"] [BlackElo "1405"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+11"] [Variant "Standard"] [TimeControl "60+0"] [ECO "B46"] [Opening "Sicilian Defense: Taimanov Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nc6 { B46 Sicilian Defense: Taimanov Variation } 6. Be3 Qc7 7. Qd2 Nf6 8. O-O-O b5?! { (0.42 → 1.04) Inaccuracy. Bb4 was best. } (8... Bb4) 9. Nxc6 dxc6 10. f4?! { (0.85 → 0.23) Inaccuracy. e5 was best. } (10. e5 Nd5 11. Nxd5 exd5 12. f4 Be7 13. Qf2 Bg4 14. Re1 O-O 15. Bb6 Qc8 16. Bd3 Bf5) 10... Qa5?! { (0.23 → 0.92) Inaccuracy. Bb4 was best. } (10... Bb4 11. a3 Be7 12. e5 Nd5 13. Ne4 c5 14. Nd6+ Bxd6 15. exd6 Qxd6 16. c4 bxc4 17. Bxc4) 11. Nb1?? { (0.92 → -0.86) Blunder. Kb1 was best. } (11. Kb1 b4) 11... Be7?? { (-0.86 → 12.12) Blunder. Bb4 was best. } (11... Bb4 12. c3) 12. Qxa5 Kf8 13. e5 Nd5 14. Bf2 g6 15. Be2 Kg7 16. Bf3 Nxf4 17. Qc7 Bb4 18. Bxc6?? { (15.59 → Mate in 1) Checkmate is now unavoidable. a3 was best. } (18. a3 Nd5) 18... Rb8?? { (Mate in 1 → 15.92) Lost forced checkmate sequence. Ne2# was best. } (18... Ne2#) 19. Qxb8?? { (15.92 → Mate in 1) Checkmate is now unavoidable. b3 was best. } (19. b3) 19... Bb7?? { (Mate in 1 → 19.37) Lost forced checkmate sequence. Ne2# was best. } (19... Ne2#) 20. Qxb7?? { (19.37 → Mate in 1) Checkmate is now unavoidable. Qxh8+ was best. } (20. Qxh8+) 20... Ne2# { Black wins by checkmate. } 0-1