[Event "Rated correspondence game"] [Site "https://lichess.org/JPozpqMf"] [Date "2024.02.09"] [White "mate-in-four"] [Black "ChessTitan249"] [Result "1-0"] [UTCDate "2024.02.09"] [UTCTime "16:44:02"] [WhiteElo "2437"] [BlackElo "2350"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-5"] [Variant "Standard"] [TimeControl "-"] [ECO "A05"] [Opening "King's Indian Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 d5 2. g3 Nf6 { A05 King's Indian Attack } 3. Bg2 e6 4. O-O b5 5. d3 Bb7 6. c4 bxc4 7. dxc4 Nbd7 8. Nc3 Bc5 9. Bf4 dxc4 10. Qa4 O-O 11. Rfd1 Qe7 12. Qxc4 Nb6 13. Qb3 a5 14. Rac1 a4 15. Qc2 Bd6 16. Bg5 h6 17. Bxf6 Qxf6 18. Nd4 Bxg2 19. Kxg2 a3 20. b3 Rfd8 21. Nc6 Rd7 22. e4 Bf8 23. e5 Qf5?! { (1.44 → 2.27) Inaccuracy. Qg5 was best. } (23... Qg5 24. h4) 24. Qxf5 exf5 25. Rxd7 Nxd7 26. Nd5 Nc5 27. Nde7+ Bxe7 28. Nxe7+ Kf8 29. Rxc5 Kxe7 30. Rxc7+ Ke6 31. Kf3 Rd8?! { (1.87 → 2.60) Inaccuracy. g5 was best. } (31... g5) 32. Ra7 Rd2 33. Rxa3 Kxe5?! { (2.61 → 3.66) Inaccuracy. g5 was best. } (33... g5 34. Ra6+) 34. Ra7 g5 35. b4 Rb2 36. a3 Rb3+ 37. Kg2 f6 38. Ra5+ Ke4 39. b5 f4 40. gxf4 gxf4? { (2.89 → 5.08) Mistake. Kxf4 was best. } (40... Kxf4 41. a4) 41. a4? { (5.08 → 2.99) Mistake. Ra4+ was best. } (41. Ra4+ Ke5 42. Rb4 Rxa3 43. b6 Ra8 44. b7 Rb8 45. Kf3 h5 46. Rb5+ Ke6 47. Kxf4 h4) 41... h5 42. h4?? { (2.89 → 0.03) Blunder. Ra7 was best. } (42. Ra7 Kf5 43. Rc7 h4 44. Rc5+ Ke4 45. Rc4+ Kf5 46. h3 Kg5 47. Rc1 f3+ 48. Kf1 Kf4) 42... f5 43. Ra8 f3+ 44. Kg3 f4+ 45. Kh2 Rb2 46. a5 Rxf2+?? { (0.06 → 4.32) Blunder. Rxb5 was best. } (46... Rxb5) 47. Kg1 Rb2?! { (4.23 → 5.34) Inaccuracy. Re2 was best. } (47... Re2 48. b6 f2+ 49. Kg2 Ke3 50. Re8+ Kd2 51. Rc8 f3+ 52. Kf1 Ke3 53. Rc3+ Kf4 54. b7) 48. Re8+ Kf5 49. a6 Kg4?! { (5.36 → 7.00) Inaccuracy. Rb1+ was best. } (49... Rb1+ 50. Kf2 Rb2+ 51. Kxf3 Rb3+ 52. Ke2 Rb2+ 53. Kd3 Rb3+ 54. Kc4 Ra3 55. b6 Rxa6 56. b7) 50. Rg8+ Kh3?? { (6.79 → Mate in 21) Checkmate is now unavoidable. Kf5 was best. } (50... Kf5 51. a7 Rb1+ 52. Kf2 Rb2+ 53. Kxf3 Rb3+ 54. Ke2 f3+ 55. Kf2 Rb2+ 56. Kxf3 Rb3+ 57. Ke2) 51. a7 f2+ 52. Kf1 Rxb5?! { (10.37 → Mate in 9) Checkmate is now unavoidable. Rb1+ was best. } (52... Rb1+ 53. Kxf2) 53. a8=Q { Black resigns. } 1-0