[Event "Casual correspondence game"] [Site "https://lichess.org/m0zzwO3D"] [Date "2024.04.19"] [White "Teachairchess"] [Black "lichess AI level 7"] [Result "0-1"] [UTCDate "2024.04.19"] [UTCTime "02:47:01"] [WhiteElo "1500"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "E21"] [Opening "Nimzo-Indian Defense: Three Knights Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. c4 Nf6 2. d4 e6 3. Nf3 Bb4+ 4. Nc3 { E21 Nimzo-Indian Defense: Three Knights Variation } O-O 5. Bd2 b6 6. e3 Bb7 7. Bd3 Bxc3 8. Bxc3 d5 9. cxd5 Qxd5 10. O-O Nbd7 11. Re1 Ne4 12. Qc2 Rac8 13. a4 Ndf6 14. a5 c5 15. axb6 Ng5 16. bxa7?? { (0.25 → -2.26) Blunder. Be2 was best. } (16. Be2 axb6) 16... Nxf3+ 17. gxf3 cxd4 18. exd4 Qxf3 19. Kf1 g6 20. Rec1? { (-2.31 → -3.82) Mistake. Ra4 was best. } (20. Ra4 Qh3+) 20... Rfd8? { (-3.82 → -2.32) Mistake. e5 was best. } (20... e5 21. a8=R Bxa8 22. Rxa8 Rxa8 23. dxe5 Rad8 24. Bb5 Ng4 25. Kg1 Qf4 26. Bc6 Nxe5 27. Bb7) 21. b4?? { (-2.32 → -5.01) Blunder. Ke1 was best. } (21. Ke1 Qh1+ 22. Bf1 e5 23. Qd3 exd4 24. Bxd4 Re8+ 25. Be3 Rcd8 26. Qc4 Nd5 27. Ra3 Qxh2) 21... Ng4 22. Ke1 Rxc3 23. Qe2 Qxd3 24. Qxd3 Rxd3 25. Rc7 Bf3 26. Rc4 Ra8 27. Rc7 h5 28. h3 Nh2 29. Rd7 Bc6 30. Rd6 Nf3+ 31. Ke2 Bb5 32. Ra5 Bc4 33. Rc5 Nxd4+ 34. Rxd4 Rxd4+ 35. Ke3 Rh4 36. Ra5 Rxh3+ 37. Kd4 Be2 38. Ra2 Rh4+ 39. Kc3 Rh3+ 40. Kd4 Rh4+ 41. Kc3 Rc4+ 42. Kb3 Bd3 43. Rd2 Bf1 44. Rd1 Be2 45. Rd2 Bf1 46. Rd1 Be2 47. Rd2 Re4 48. Rd7 h4 49. b5 Bxb5 50. Rb7 Bc4+ 51. Kc3 Kg7 52. f3 Bd5 53. Rc7 Rf4 54. Kd3 g5 55. Rc2 Rxf3+ 56. Kd4 Kf6 57. Re2? { (-8.40 → Mate in 9) Checkmate is now unavoidable. Rc1 was best. } (57. Rc1 Rxa7 58. Kc5 Rf5 59. Kb4 h3 60. Rc2 Bg2 61. Kc3 h2 62. Rc1 Bd5 63. Re1 Rc7+) 57... Rc8 58. Re3 Rxe3 59. Kxe3 Rc7 60. Kf2 Rxa7 61. Ke3 Ke5 62. Kf2 g4 63. Kg1 g3 64. Kf1 Ra2 65. Ke1 Bf3 66. Kf1 h3 67. Ke1 Kd4 68. Kf1 Ke3 69. Kg1 e5 70. Kf1 f6 71. Kg1 Ra1# { Black wins by checkmate. } 0-1