[Event "2º TORNEO NAC. DE AJEDREZ SII"] [Site "https://lichess.org/KaOrKhoN"] [Date "2023.03.31"] [White "sertalzin"] [Black "Crespov"] [Result "1-0"] [UTCDate "2023.03.31"] [UTCTime "21:50:45"] [WhiteElo "2175"] [BlackElo "1870"] [WhiteRatingDiff "+33"] [BlackRatingDiff "-24"] [Variant "Standard"] [TimeControl "600+0"] [ECO "D35"] [Opening "Queen's Gambit Declined: Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 { D35 Queen's Gambit Declined: Exchange Variation } Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 Nc6?? { (0.31 → 2.92) Blunder. cxd4 was best. } (7... cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nd7 12. O-O) 8. d5 exd5?! { (2.02 → 2.80) Inaccuracy. Nb8 was best. } (8... Nb8 9. Bb5+) 9. exd5 Qe7+? { (2.97 → 5.34) Mistake. Ne7 was best. } (9... Ne7 10. d6 Nc6 11. Bf4 g6 12. Bb5 Bg7 13. O-O O-O 14. Bxc6 bxc6 15. Ne5 Bxe5 16. Bxe5) 10. Be2 Ne5 11. O-O Nxf3+ 12. Bxf3 Qd6 13. Re1+ Be7 14. Qe2 Bd7 15. Bf4 Qf6 16. d6 O-O-O? { (9.00 → Mate in 6) Checkmate is now unavoidable. O-O was best. } (16... O-O 17. dxe7 Qxf4 18. Bxb7 Rae8 19. exf8=Q+ Rxf8 20. Qe7 Be6 21. Be4 h6 22. Bh7+ Kxh7 23. Qxf8) 17. dxe7?! { (Mate in 6 → 10.66) Lost forced checkmate sequence. Bxb7+ was best. } (17. Bxb7+ Kb8 18. Be4 Bc6 19. Rab1+ Bb7 20. Rxb7+ Kc8 21. Rc7+ Kb8 22. Rb1#) 17... Rde8?! { (10.66 → Mate in 6) Checkmate is now unavoidable. Qxf4 was best. } (17... Qxf4 18. Rab1) 18. Qe5?! { (Mate in 6 → 10.23) Lost forced checkmate sequence. Qe4 was best. } (18. Qe4 Qb6 19. Qe5 Be6 20. Rad1 Bd5 21. Bg4+ f5 22. Bxf5+ Be6 23. Qb8#) 18... Qxe5 19. Rxe5 Be6?! { (10.31 → Mate in 2) Checkmate is now unavoidable. b6 was best. } (19... b6 20. Re3) 20. Bd5? { (Mate in 2 → 8.37) Lost forced checkmate sequence. Rxc5+ was best. } (20. Rxc5+ Kd7 21. Rc7#) 20... Rxe7 21. Bxe6+ Rxe6 22. Rxc5+ Kd7 23. Rd1+ Ke7 24. Re5 Kf6 25. Rxe6+ Kxe6 26. Be3 a6 27. Bd4 f6 28. Re1+ Kf7 29. f3 Rb8 30. a4 b5 31. axb5 axb5 32. Rb1 Ke6 33. Rb4 Kd5 34. Kf2 h5 35. Ke3 Rb7 36. c4+ Kc6 37. Rxb5 Rxb5 38. cxb5+ Kxb5 39. Ke4 Kc4 40. Bxf6 gxf6 41. Kf5 Kd4 42. Kxf6 Ke3 43. g4 hxg4?! { (72.44 → Mate in 14) Checkmate is now unavoidable. h4 was best. } (43... h4 44. g5) 44. fxg4 Kf4 45. g5 Kg4 46. g6 Kh3 47. g7 Kxh2 48. g8=Q { Black resigns. } 1-0