[Event "2024 Spring Marathon"] [Site "https://lichess.org/5NwVULFk"] [Date "2024.05.11"] [White "Osamodas"] [Black "thereforeiam"] [Result "1-0"] [UTCDate "2024.05.11"] [UTCTime "18:14:21"] [WhiteElo "1898"] [BlackElo "2196"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "300+0"] [ECO "E38"] [Opening "Nimzo-Indian Defense: Classical Variation, Berlin Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 { E38 Nimzo-Indian Defense: Classical Variation, Berlin Variation } 5. d5?! { (0.23 → -0.39) Inaccuracy. dxc5 was best. } (5. dxc5 O-O 6. a3 Bxc5 7. Nf3 d5 8. Bf4 dxc4 9. e3 b5) 5... exd5 6. cxd5 O-O 7. Nf3 Nxd5 8. e3?! { (-0.50 → -1.36) Inaccuracy. e4 was best. } (8. e4 Nxc3 9. bxc3 Ba5 10. Bg5 Qc7 11. Bc4 h6 12. Bh4 d6) 8... Qa5? { (-1.36 → -0.23) Mistake. Qf6 was best. } (8... Qf6 9. Bd2 Bxc3 10. bxc3 Nb6 11. Bd3 h6 12. e4 c4 13. Be2 d5 14. e5) 9. Bd2 Bxc3 10. bxc3 Nf6 11. Bd3 d5?! { (-0.55 → 0.17) Inaccuracy. Nc6 was best. } (11... Nc6 12. O-O) 12. c4 Qc7?! { (0.11 → 0.79) Inaccuracy. Qd8 was best. } (12... Qd8) 13. cxd5 Nxd5 14. O-O? { (1.24 → -0.28) Mistake. Bxh7+ was best. } (14. Bxh7+ Kh8) 14... h6 15. Be4 Be6 16. Rac1 Nd7 17. Rfd1 N7f6 18. Bxd5 Bxd5 19. Bc3 Bxf3 20. gxf3 b6?! { (-1.21 → -0.62) Inaccuracy. Nh7 was best. } (20... Nh7 21. Qf5 Rad8 22. h4 b6 23. a4 Rfe8 24. Qg4 f6 25. f4 Kh8 26. Kh2) 21. Kh1?! { (-0.62 → -1.37) Inaccuracy. Bxf6 was best. } (21. Bxf6 gxf6) 21... Rad8 22. Rg1 Kh8?? { (-1.42 → 7.06) Blunder. Ne8 was best. } (22... Ne8) 23. Bxf6?? { (7.06 → -0.91) Blunder. Rxg7 was best. } (23. Rxg7 Rd4 24. Bxd4 cxd4 25. Qxc7 Kxg7 26. Rg1+ Kh7 27. Qe7 Ng4 28. Qxf8 Nxf2+) 23... gxf6 24. Qf5?! { (-0.81 → -1.51) Inaccuracy. Qc4 was best. } (24. Qc4 Qe5) 24... Qe5 25. Qh3 Kh7 26. Rg4 Rg8 27. Rcg1 Rxg4 28. Qxg4 Qg5?? { (-1.92 → 3.99) Blunder. f5 was best. } (28... f5 29. Qa4 Qd5 30. Qf4 Rg8 31. Rxg8 Kxg8 32. Qxh6 Qxf3+ 33. Kg1 Qd1+ 34. Kg2) 29. Qe4+ f5 30. Qe5 Qh5?? { (4.47 → Mate in 1) Checkmate is now unavoidable. Kg8 was best. } (30... Kg8 31. Rxg5+ hxg5 32. Qxf5 Rd2 33. Qxg5+ Kf8 34. Kg2 Rxa2 35. Qd8+ Kg7 36. h4) 31. Qg7# { White wins by checkmate. } 1-0