[Event "Rated classical game"] [Site "https://lichess.org/EzEhPA5V"] [Date "2024.05.29"] [White "RoyOsnayo"] [Black "Sims65737"] [Result "1-0"] [UTCDate "2024.05.29"] [UTCTime "16:54:32"] [WhiteElo "1918"] [BlackElo "1817"] [WhiteRatingDiff "+5"] [BlackRatingDiff "-4"] [Variant "Standard"] [TimeControl "2700+15"] [ECO "B03"] [Opening "Alekhine Defense: Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 { B03 Alekhine Defense: Exchange Variation } cxd6 6. Nf3 Bf5 7. Nc3 e6 8. Be2 Be7 9. Be3 Nc6 10. Qd2? { (1.21 → -0.05) Mistake. d5 was best. } (10. d5 exd5) 10... Nb4?! { (-0.05 → 0.52) Inaccuracy. d5 was best. } (10... d5 11. c5) 11. Rc1 a6?? { (0.27 → 2.34) Blunder. d5 was best. } (11... d5 12. b3 dxc4 13. bxc4 O-O 14. O-O Rc8 15. a3 Nc6 16. Qb2 Bg4 17. Rfd1) 12. a3?! { (2.34 → 1.17) Inaccuracy. d5 was best. } (12. d5 exd5 13. cxd5 Rc8 14. Bxb6 Qxb6 15. a3 Nc2+ 16. Rxc2 Bxc2 17. Qxc2 O-O) 12... Nc6 13. b4 h6 14. O-O Nd7? { (1.06 → 2.48) Mistake. d5 was best. } (14... d5 15. c5) 15. Rfd1 Nf6 16. d5 exd5 17. Nxd5 Ne4? { (2.42 → 4.50) Mistake. O-O was best. } (17... O-O 18. Nxe7+ Qxe7 19. Qxd6 Qxd6 20. Rxd6 Rfd8 21. Rxd8+ Rxd8 22. b5 axb5 23. cxb5) 18. Qb2 O-O { Black offers draw } 19. Bb6?! { (3.72 → 2.88) Inaccuracy. b5 was best. } (19. b5 axb5 20. cxb5 Ne5 21. Nxe5 dxe5 22. Qxe5 Bxa3 23. Qxf5 Bxc1 24. Qxe4 Re8) 19... Bf6?! { (2.88 → 4.39) Inaccuracy. Qd7 was best. } (19... Qd7 20. b5 axb5 21. cxb5 Rfc8 22. Be3 Bd8 23. Nb6 Bxb6 24. bxc6 bxc6 25. Qxb6) 20. Nxf6+? { (4.39 → 2.45) Mistake. Qc2 was best. } (20. Qc2 Qd7 21. Bd3 Rae8 22. Nd2 Qe6 23. Nxf6+ gxf6 24. f3 Nc5 25. Bxf5 Qe3+) 20... Qxf6 21. Qxf6 gxf6?! { (2.46 → 3.32) Inaccuracy. Nxf6 was best. } (21... Nxf6 22. Rxd6 Rfe8 23. Bf1 Re6 24. Rxe6 Bxe6 25. Nd2 Rc8 26. f3 Ne5 27. f4) 22. Nh4 Ne7?! { (3.28 → 4.62) Inaccuracy. Bh7 was best. } (22... Bh7 23. f3 Rfe8 24. Bf1 Ng5 25. Rxd6 Re6 26. Rcd1 Rxd6 27. Rxd6 Ne6 28. g3) 23. f3?! { (4.62 → 3.40) Inaccuracy. Nxf5 was best. } (23. Nxf5 Nxf5 24. Bd3 Rae8 25. f3 d5 26. fxe4 dxe4 27. Be2 Re6 28. Bc5 Rc8) 23... Ng5 24. Rxd6 Ne6?! { (3.18 → 4.75) Inaccuracy. Be6 was best. } (24... Be6 25. Rdd1 Rfe8 26. Bd4 f5 27. Kf2 Rac8 28. Bf6 Nh7 29. Be5 Nf8 30. g3) 25. Rd7 Rfe8 26. Rxe7 Rxe7 27. Nxf5 Rd7 28. Rd1 Rxd1+ 29. Bxd1 h5 30. Kf2 Nf4 31. Bc2 Kf8 32. Be4 Rc8 33. Bc5+ Rxc5 34. bxc5 Ne6 35. c6 bxc6 36. Bxc6 Nc5 37. Ke3 a5 38. h4 Nb3 39. Ng3 Ke7 40. Nxh5 f5 41. Ng7 Kf6 42. Ne8+ Ke7 43. h5 f6?? { (5.86 → Mate in 19) Checkmate is now unavoidable. Kf8 was best. } (43... Kf8 44. Nd6 f4+ 45. Kxf4 Kg7 46. Ba4 Nc5 47. Bc2 Kh6 48. Kg4 f6 49. Nf5+) 44. h6 Kf7?! { (11.74 → Mate in 8) Checkmate is now unavoidable. f4+ was best. } (44... f4+ 45. Kxf4) 45. Nd6+?? { (Mate in 8 → 6.26) Lost forced checkmate sequence. h7 was best. } (45. h7 f4+ 46. Ke4 Nc5+ 47. Kd5 Nd7 48. Bxd7 Ke7 49. Bc6 Kd8 50. h8=Q Kc8) 45... Kg6 46. Nxf5 Kh7 47. g4 Nc5 48. f4 Ne6 49. Be8 Nc7? { (7.44 → Mate in 10) Checkmate is now unavoidable. Kh8 was best. } (49... Kh8 50. Bg6 Kg8 51. Bf7+ Kxf7 52. h7 Ng7 53. Nh6+ Kg6 54. h8=Q f5 55. gxf5+) 50. Bf7 Na8 51. g5 fxg5 52. fxg5 Nb6 53. g6+ Kh8 54. g7+ Kh7 55. g8=Q# { White wins by checkmate. } 1-0