[Event "IM Seppo simul"] [Site "https://lichess.org/JQWrhnwd"] [Date "2023.07.06"] [White "Seppo"] [Black "kaiwen2012"] [Result "1-0"] [UTCDate "2023.07.06"] [UTCTime "13:43:21"] [WhiteElo "2576"] [BlackElo "1871"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "300+3"] [ECO "A04"] [Opening "Zukertort Opening: Black Mustang Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nc6 { A04 Zukertort Opening: Black Mustang Defense } 2. g3 e5 3. d3 d5 4. Bg2 Nf6 5. O-O Bc5?! { (-0.13 → 0.47) Inaccuracy. a5 was best. } (5... a5 6. Nc3 h6 7. e4 dxe4 8. dxe4 Qxd1 9. Rxd1 Be6 10. Ne1) 6. Nxe5 Nxe5 7. d4 Bd6 8. dxe5 Bxe5 9. Nc3 c6 10. e4 Bxc3 11. bxc3 dxe4 12. Qxd8+ Kxd8 13. Rd1+ Bd7 14. Rb1 b6 15. Bg5 Re8 16. Rb4 Kc7 17. Bf4+ Kb7 18. Bxe4? { (-0.56 → -1.86) Mistake. Rxe4 was best. } (18. Rxe4 Bg4) 18... Bg4 19. Rdd4 Nd5?? { (-2.57 → 1.32) Blunder. a5 was best. } (19... a5 20. Rbc4 Nxe4 21. Rxe4 Be6 22. Ra4 c5 23. Re2 Red8 24. Re1 b5 25. Rae4 Bxa2 26. Re7+) 20. Rxd5 Rxe4 21. Rxe4 cxd5 22. Re7+ Kc6 23. Rxf7 Bh3? { (1.83 → 3.24) Mistake. a5 was best. } (23... a5 24. Rxg7 h5 25. Be3 Kb5 26. Kg2 Bd1 27. Rd7 Kc6 28. Rf7 Kb5 29. Rf5 Kc4 30. Bxb6) 24. f3 Re8 25. Kf2 Rg8?! { (3.38 → 4.33) Inaccuracy. a5 was best. } (25... a5 26. g4) 26. a4? { (4.33 → 2.64) Mistake. Rc7+ was best. } (26. Rc7+ Kb5 27. Rxa7 Kc4 28. Be5 h5 29. a4 Rc8 30. Rxg7 Bf5 31. Rg5 Bxc2 32. Rxh5 Re8) 26... Bd7 27. Ke3?! { (2.76 → 2.07) Inaccuracy. Be5 was best. } (27. Be5 a5 28. Bxg7 Be6 29. Re7 Bf5 30. Bd4 Rf8 31. Ke3 Bxc2 32. Re6+ Kd7 33. Rh6 Bxa4) 27... Re8+?! { (2.07 → 3.40) Inaccuracy. h5 was best. } (27... h5 28. Be5) 28. Kd4 Rg8 29. Re7?! { (3.10 → 1.92) Inaccuracy. Be5 was best. } (29. Be5 g5 30. Rxh7 a5 31. g4 Rf8 32. Ke3 Re8 33. f4 gxf4+ 34. Kxf4 Rf8+ 35. Kg3 Re8) 29... h6 30. Be5 g5?! { (1.92 → 2.79) Inaccuracy. h5 was best. } (30... h5 31. h4 a5 32. g4 g6 33. Rh7 hxg4 34. fxg4 Rc8 35. h5 gxh5 36. gxh5 Rg8 37. Rf7) 31. f4 gxf4 32. Bxf4? { (2.43 → 0.91) Mistake. gxf4 was best. } (32. gxf4) 32... Rg6? { (0.91 → 2.35) Mistake. Re8 was best. } (32... Re8) 33. Rh7 Re6 34. Rxh6?! { (2.14 → 1.38) Inaccuracy. Kd3 was best. } (34. Kd3 Re4 35. Rxh6+ Kb7 36. Rd6 Bxa4 37. Rxd5 Re1 38. c4 Bc6 39. Rg5 a5 40. h4 a4) 34... Rxh6 35. Bxh6 Bh3? { (1.40 → 3.22) Mistake. Kd6 was best. } (35... Kd6) 36. Bf4 a6 37. Be3 b5?! { (3.17 → 4.54) Inaccuracy. Kd6 was best. } (37... Kd6 38. Bf4+ Kc6 39. Ke5 a5 40. Be3 Bg4 41. h4 Bd1 42. Bc1 Kc5 43. Bg5 Kc4 44. Be3) 38. a5 Bf5 39. Bh6 Bxc2 40. Bf8 Bd1 41. Bb4 Bg4 42. Ke5 Bh3 43. Kf4 d4 44. cxd4 Kd5 45. Ke3?? { (4.69 → 1.62) Blunder. Bc5 was best. } (45. Bc5 Kc4 46. g4 Kd5 47. g5 Ke6 48. Bb4 Kd5 49. g6 Kxd4 50. Kg5 Ke5 51. Be1 Ke6) 45... Kc4 46. Bf8 Kd5?! { (3.08 → 4.55) Inaccuracy. b4 was best. } (46... b4 47. Ke4) 47. Kd3 Bf5+ 48. Kc3?? { (4.00 → 0.44) Blunder. Ke3 was best. } (48. Ke3 Bg4 49. Kf4 Bh3 50. g4 Ke6 51. g5 Kf7 52. Bc5 Kg6 53. d5 Bg2 54. Ke5 Bh3) 48... Bg4?? { (0.44 → 3.86) Blunder. Ke4 was best. } (48... Ke4 49. Bc5) 49. h4?? { (3.86 → 0.28) Blunder. Kd3 was best. } (49. Kd3 Bf5+ 50. Ke3 Bh3 51. Bc5 Kc4 52. Kf4 b4 53. g4 b3 54. Ba3 Kd5 55. Bb2 Ke6) 49... Bh5?? { (0.28 → 4.73) Blunder. Ke4 was best. } (49... Ke4) 50. Bg7?? { (4.73 → 0.22) Blunder. Kd3 was best. } (50. Kd3) 50... Bg4?? { (0.22 → 4.04) Blunder. Ke4 was best. } (50... Ke4 51. Kb4 Kd5 52. Bf6 Bd1 53. Kc3 Ke4 54. Bd8 Bh5 55. Bb6 Bf3 56. Bc5 Bh5 57. Ba3) 51. Bf8?? { (4.04 → 0.22) Blunder. Kd3 was best. } (51. Kd3) 51... Bh5?? { (0.22 → 4.52) Blunder. Ke4 was best. } (51... Ke4 52. Ba3 Bf3 53. Bb2 Bg4 54. Kd2 Bh5 55. d5 Kxd5 56. Ke3 Ke6 57. Kf4 Bd1 58. Bc3) 52. Bc5?? { (4.52 → 0.27) Blunder. Kd3 was best. } (52. Kd3 Bg4 53. Bc5 Bd1 54. Kd2 Bf3 55. Ke3 Bd1 56. Kf4 Ke6 57. Kg5 Be2 58. h5 Bd3) 52... Bg4?? { (0.27 → 4.90) Blunder. Ke4 was best. } (52... Ke4 53. Ba3 Bd1 54. Bb2 Bh5 55. Kd2 Bg4 56. Bc3 Bh5 57. Ba1 Bg4 58. Bb2 Bh5 59. d5) 53. Kd3 Bf5+ 54. Ke3 Bg4 55. Kf4 Be6 56. h5 Kc4 57. h6 Bg8 58. Ke5 b4 59. Bxb4 Kxb4 60. Kf6 Bh7 61. g4 Kxa5 62. g5 Kb4 63. g6 Bxg6 64. Kxg6 a5?! { (11.23 → Mate in 45) Checkmate is now unavoidable. Kc4 was best. } (64... Kc4 65. Kf5) 65. h7 a4 66. h8=Q a3 67. Qb8+ Kc3 68. Qa7?! { (Mate in 11 → 16.84) Lost forced checkmate sequence. d5 was best. } (68. d5 Kc2 69. Qa7 Kb2 70. Qd4+ Kb1 71. Qb4+ Kc1 72. Qxa3+ Kd2 73. d6 Ke2 74. d7 Kf2) 68... Kb2?! { (16.84 → Mate in 11) Checkmate is now unavoidable. a2 was best. } (68... a2 69. Kf5) 69. d5 a2 70. d6 a1=Q 71. Qxa1+ Kxa1 72. d7 Kb2 73. d8=Q Kb3 74. Qf6 { Black resigns. } 1-0