[Event "Casual correspondence game"] [Site "https://lichess.org/BYuzdWjK"] [Date "2024.04.14"] [White "ChengYouSeng"] [Black "lichess AI level 5"] [Result "1-0"] [UTCDate "2024.04.14"] [UTCTime "05:47:16"] [WhiteElo "1500"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A45"] [Opening "Indian Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 { A45 Indian Defense } 2. Bf4 d6 3. Nc3 Nc6 4. e4 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bg3 Bd6 8. O-O-O Be6 9. Nf3 Kc8 10. Kb1 Nd7?! { (0.17 → 0.73) Inaccuracy. h6 was best. } (10... h6 11. a3 a6 12. Nd2 Bc5 13. Nb3 Ba7 14. Be2 h5 15. h4 Re8 16. f4 Nd4 17. Nxd4) 11. Ng5 a5 12. Nxe6 fxe6 13. Bb5 h5 14. Bxc6 bxc6 15. f3 a4 16. a3 g6 17. Rhf1 Rf8 18. h3 c5 19. Nb5 Ra6 20. Nxd6+?! { (0.79 → -0.11) Inaccuracy. Rf2 was best. } (20. Rf2 Rf7) 20... Rxd6?! { (-0.11 → 0.70) Inaccuracy. cxd6 was best. } (20... cxd6 21. Rd3 Kc7 22. Rfd1 g5 23. b3 axb3 24. cxb3 Rfa8 25. Kb2 g4 26. Bf2 Nb6 27. a4) 21. Rxd6?! { (0.70 → -0.27) Inaccuracy. Bf2 was best. } (21. Bf2) 21... cxd6 22. Rd1 Kc7 23. b3 Ra8 24. Kb2 axb3 25. cxb3 c4 26. b4?! { (0.40 → -0.20) Inaccuracy. Rc1 was best. } (26. Rc1) 26... Nf6?? { (-0.20 → 2.64) Blunder. g5 was best. } (26... g5 27. Ka2 Kc6 28. Be1 g4 29. hxg4 hxg4 30. b5+ Kxb5 31. Rxd6 Nc5 32. Bc3 Rh8 33. Bxe5) 27. Rc1 Kb6 28. Rxc4 Ne8?! { (3.11 → 3.96) Inaccuracy. g5 was best. } (28... g5 29. Kb3 Kb7 30. a4 g4 31. a5 gxh3 32. gxh3 Nd7 33. Bh4 d5 34. Rc1 Rf8 35. Ka4) 29. Rc1 Nc7 30. Bf2+ Kb7 31. Kb3 Nb5?! { (3.48 → 4.53) Inaccuracy. g5 was best. } (31... g5 32. a4 Rf8 33. Be3 g4 34. fxg4 hxg4 35. h4 d5 36. Bc5 Rd8 37. Re1 g3 38. exd5) 32. a4 Nd4+ 33. Bxd4 exd4 34. Rd1?! { (4.35 → 3.46) Inaccuracy. b5 was best. } (34. b5 d5 35. exd5 exd5 36. Rd1 Kc7 37. Rxd4 Kd6 38. Rd2 h4 39. Ra2 Rb8 40. Kb4 Rc8) 34... e5 35. f4 Rf8 36. fxe5 dxe5 37. Re1?! { (3.50 → 2.52) Inaccuracy. b5 was best. } (37. b5 g5 38. a5 Rd8 39. Rc1 d3 40. Rd1 Rd4 41. Kc3 Ra4 42. Rxd3 Rxa5 43. Kc4 Kc7) 37... Rf6 38. Kc4 Ra6?! { (2.55 → 3.73) Inaccuracy. Rf2 was best. } (38... Rf2 39. Kb5 Rxg2 40. a5 Rf2 41. a6+ Kb8 42. h4 Rf8 43. Rd1 Rd8 44. Kc6 d3 45. b5) 39. a5 Ra8 40. Kd5 d3 41. Rd1 d2 42. Kxe5 Rd8 43. Kf6 Ka6 44. Kxg6 h4 45. Kg5 Kb5 46. Kf4?? { (4.11 → 0.06) Blunder. e5 was best. } (46. e5 Kxb4 47. e6 Kc3 48. e7 Ra8 49. Kf6 Kc2 50. Rf1 d1=Q 51. Rxd1 Kxd1 52. Kf7 Ra7) 46... Rd4?? { (0.06 → 5.69) Blunder. Kxb4 was best. } (46... Kxb4 47. a6 Kc3 48. e5 Rd4+ 49. Kf3 Rd3+ 50. Kf2 Rd7 51. e6 Re7 52. a7 Rxa7 53. Ke2) 47. Ke3 Rxb4 48. Rxd2 Ra4 49. Kf3 Rxa5? { (5.18 → 10.73) Mistake. Kc6 was best. } (49... Kc6 50. e5 Rxa5 51. Kf4 Ra1 52. Kg5 Ra4 53. e6 Re4 54. Kf6 Re1 55. e7 Rf1+ 56. Ke6) 50. Rd5+ Ka4 51. Rxa5+ Kxa5 52. g3 Kb4?! { (10.97 → Mate in 14) Checkmate is now unavoidable. hxg3 was best. } (52... hxg3 53. Kxg3) 53. gxh4 Kc5 54. Kf4 Kd6 55. Kf5 Ke7 56. Ke5 Ke8 57. Kf6 Kf8 58. Ke6?! { (Mate in 14 → 11.18) Lost forced checkmate sequence. h5 was best. } (58. h5 Ke8 59. h6 Kd7 60. h7 Kc6 61. Kg5 Kb6 62. h8=Q Kc6 63. e5 Kd5 64. Qf6 Kc4) 58... Kg7 59. Kd7 Kf6 60. e5+ Kxe5 61. Ke7 Kf4 62. Kf6 Ke4 63. h5 Kf3 64. h6 Kg3 65. h7 Kxh3 66. h8=Q+ Kg3 67. Qh5 Kg2 68. Qh4 Kf1 69. Qd4 Ke1 70. Qd3 Kf2 71. Qe4 Kg1 72. Qe2 Kh1 73. Kg5 Kg1 74. Kg4 Kh1 75. Kg3 Kg1 76. Qg2# { White wins by checkmate. } 1-0