[Event "Casual correspondence game"] [Site "https://lichess.org/iw0FJHAI"] [Date "2024.03.21"] [White "lichess AI level 8"] [Black "cesar0sum"] [Result "0-1"] [UTCDate "2024.03.21"] [UTCTime "22:47:55"] [WhiteElo "?"] [BlackElo "1500"] [Variant "From Position"] [TimeControl "-"] [ECO "?"] [Opening "?"] [Termination "Normal"] [FEN "4k2r/p2n1p1p/4p1p1/3p2B1/1P6/8/P1r2PPP/3R2K1 b k - 1 20"] [SetUp "1"] [Annotator "lichess.org"] 20... O-O 21. g3 Kg7 22. a3 h6 23. Be3 Nb6 24. Kf1 Ra2 25. Re1 Rxa3 26. Bd4+ f6 27. Rxe6 Rd3 28. Bxb6 axb6 29. Rxb6 Rd8 30. Rb7+ Kg8 31. Rb6 Kf7 32. h4 Rb3 33. Ke2 d4 34. Rb7+ Ke6 35. Rb6+ Kf5 36. Kd2 d3 37. g4+ Kxg4 38. Rxf6 Kh5?! { (-37.39 → -7.75) Inaccuracy. Rb2+ was best. } (38... Rb2+ 39. Kc3 Rc2+ 40. Kb3 d2 41. f3+ Kxh4 42. Rf4+ Kg5 43. Rg4+ Kf5 44. Rg1 Rc1 45. b5) 39. Ra6 Rb2+ 40. Kc3 d2 41. Ra5+ g5 42. Ra1 Ra2 43. Rd1 Ra1 44. Rxa1 d1=Q 45. Rxd1 Rxd1 46. hxg5 hxg5 47. b5 Rb1 48. Kc4 Kg4 49. Kc5 Kf3 50. Kc6?! { (-35.00 → Mate in 20) Checkmate is now unavoidable. b6 was best. } (50. b6 g4 51. Kc6 Kxf2 52. b7 Rxb7 53. Kxb7 Ke2 54. Ka7 g3 55. Ka6 g2 56. Kb5 g1=Q) 50... Kxf2 51. b6 g4 52. b7 g3 53. Kc7 Rxb7+ 54. Kxb7 g2 55. Kb6 g1=Q 56. Kc7 Qd1 57. Kc6 Qd4 58. Kb7 Qd5+ 59. Kc8 Ke3 60. Kc7 Kd3 61. Kb6 Kd4 62. Kc7 Kc4 63. Kc8 Qd6 64. Kb7 Kc5 65. Kc8 Kb5 66. Kb7 Qc6+ 67. Kb8 Qd6+ 68. Kc8 Kc5 69. Kb7 Qe6 70. Kc7 Qe5+ 71. Kc8 Kc6 72. Kd8 Kd6 73. Kc8 Qe7 74. Kb8 Kc6 75. Kc8 Qc7# { Black wins by checkmate. } 0-1