[Event "2022 Spring Marathon"] [Site "https://lichess.org/7wxg9bIR"] [Date "2022.04.16"] [White "mamunurrashid95"] [Black "Chepakh"] [Result "1-0"] [UTCDate "2022.04.16"] [UTCTime "22:29:48"] [WhiteElo "1773"] [BlackElo "2518"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-16"] [Variant "Standard"] [TimeControl "120+1"] [ECO "B00"] [Opening "Owen Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 b6?! { (0.33 → 0.98) Inaccuracy. e5 was best. } { B00 Owen Defense } (1... e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5) 2. Nf3 Bb7 3. Bc4 e5?? { (0.23 → 2.84) Blunder. e6 was best. } (3... e6 4. Nc3 c5 5. d4 cxd4 6. Nxd4 Qc7 7. Qe2 a6 8. Bd3) 4. d3?? { (2.84 → 0.95) Blunder. Nxe5 was best. } (4. Nxe5 d5 5. Bxd5 Bxd5 6. exd5 Qxd5 7. O-O Bd6 8. Nc3 Qe6) 4... Be7?? { (0.95 → 3.84) Blunder. Nc6 was best. } (4... Nc6 5. O-O Be7 6. Nc3 Nf6 7. Nd5 O-O 8. a3 Nxd5 9. exd5) 5. h4?? { (3.84 → 0.98) Blunder. Nxe5 was best. } (5. Nxe5 d5) 5... Nf6?! { (0.98 → 1.62) Inaccuracy. d6 was best. } (5... d6 6. Ng5) 6. Ng5?? { (1.62 → -0.75) Blunder. Nxe5 was best. } (6. Nxe5 O-O 7. Nc3 d6 8. Nf3 d5 9. Nxd5 Nxd5 10. exd5 Bxd5 11. Bxd5 Qxd5 12. O-O c5) 6... Nc6?? { (-0.75 → 8.30) Blunder. d5 was best. } (6... d5) 7. Nxf7 Qb8 8. Nxh8 d5 9. Bxd5 Nd4 10. Bf7+ Kf8 11. c3 Nc6 12. Bg5 Nd8 13. Bxf6 Bxf6 14. Qb3 Qc8 15. Bh5 Qd7 16. f3 g6 17. Bg4 Qe7 18. h5 g5 19. Nd2 Kg7 20. Ng6 hxg6 21. hxg6 Kxg6?! { (10.23 → Mate in 4) Checkmate is now unavoidable. Kf8 was best. } (21... Kf8 22. Rh7 Bg7 23. O-O-O Bc8 24. Rdh1 Be6 25. Bxe6 Qxe6 26. Rh8+ Bxh8 27. Qxe6 Nxe6 28. Rxh8+) 22. Bf5+? { (Mate in 4 → 9.53) Lost forced checkmate sequence. Qg8+ was best. } (22. Qg8+ Bg7 23. Bf5+ Kf6 24. Rh6+ Bxh6 25. Qg6#) 22... Kg7 23. Rh7+ Kf8 24. Rxe7 Kxe7 25. O-O-O Nf7?! { (10.38 → Mate in 7) Checkmate is now unavoidable. Kf8 was best. } (25... Kf8 26. Rh1) 26. Qe6+ Kf8 27. Qxf6 Ke8 28. Bg6 Kd7?! { (21.32 → Mate in 5) Checkmate is now unavoidable. Bd5 was best. } (28... Bd5 29. Qxe5+) 29. Qxf7+ Kc6 30. Qe6+ Kb5 31. Qc4+ Ka5 32. b4+ Ka4 33. b5+ Ka5 34. Qb4# { White wins by checkmate. } 1-0