Event: Round 4: Chen, Yechu - Mikula, Nikodem
Date: 2025-02-23
White: Chen, Yechu
WhiteElo: 1583
Black: Mikula, Nikodem
BlackElo: 1649
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, English Attack
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:35] } 1... c5 { [%eval 0.25] [%clk 1:24:52] } 2. Nf3 { [%eval 0.2] [%clk 1:31:00] } 2... d6 { [%eval 0.22] [%clk 1:24:32] } 3. d4 { [%eval 0.22] [%clk 1:31:27] } 3... Nf6 { [%eval 0.32] [%clk 1:24:41] } 4. Nc3 { [%eval 0.26] [%clk 1:31:31] } 4... cxd4 { [%eval 0.34] [%clk 1:24:15] } 5. Nxd4 { [%eval 0.32] [%clk 1:31:57] } 5... a6 { [%eval 0.32] [%clk 1:23:51] } 6. Be3 { [%eval 0.23] [%clk 1:31:32] } 6... Nc6 { [%eval 0.47] [%clk 1:23:52] } 7. f3 { [%eval 0.43] [%clk 1:31:43] } 7... g6 { [%eval 0.6] [%clk 1:23:42] } 8. Qd2 { [%eval 0.88] [%clk 1:32:08] } 8... Bg7 { [%eval 0.96] [%clk 1:23:44] } 9. O-O-O { [%eval 0.93] [%clk 1:32:33] } 9... O-O { [%eval 1.5] [%clk 1:22:23] } 10. Bc4?! { [%eval 0.75] } { Inaccuracy. g4 was best. } { [%clk 1:32:32] } 10... Bd7 { [%eval 1.0] [%clk 1:20:19] } 11. Bh6?? { [%eval -0.91] } { Blunder. h4 was best. } { [%clk 1:31:39] } 11... Rc8?? { [%eval 0.9] } { Blunder. Nxd4 was best. } { [%clk 1:13:22] } 12. h4?? { [%eval -1.93] } { Blunder. Nxc6 was best. } { [%clk 1:31:08] } 12... Nxd4 { [%eval -2.04] [%clk 0:59:44] } 13. Bxg7 { [%eval -1.59] [%clk 1:31:28] } 13... Kxg7?? { [%eval 0.33] } { Blunder. Rxc4 was best. } { [%clk 0:57:49] } 14. Qxd4 { [%eval 0.25] [%clk 1:30:51] } 14... h5 { [%eval 0.72] [%clk 0:57:49] } 15. Bb3 { [%eval 0.73] [%clk 1:30:30] } 15... Qc7? { [%eval 2.36] } { Mistake. Rc5 was best. } { [%clk 0:56:50] } 16. Nd5 { [%eval 2.37] [%clk 1:28:29] } 16... Qd8 { [%eval 2.65] [%clk 0:55:49] } 17. Nxf6 { [%eval 2.72] [%clk 1:28:11] } 17... exf6 { [%eval 2.74] [%clk 0:54:10] } 18. Qxd6 { [%eval 2.66] [%clk 1:26:19] } 18... Bc6 { [%eval 2.61] [%clk 0:50:30] } 19. Qh2?! { [%eval 1.37] } { Inaccuracy. Qxd8 was best. } { [%clk 1:25:08] } 19... Qc7?! { [%eval 2.15] } { Inaccuracy. Qa5 was best. } { [%clk 0:49:08] } 20. Qxc7 { [%eval 2.21] [%clk 1:22:35] } 20... Rxc7 { [%eval 2.24] [%clk 0:48:26] } 21. Bd5 { [%eval 1.86] [%clk 1:22:55] } 21... Rfc8 { [%eval 2.06] [%clk 0:48:11] } 22. Bxc6 { [%eval 1.84] [%clk 1:21:43] } 22... Rxc6 { [%eval 1.72] [%clk 0:48:03] } 23. Rd2 { [%eval 1.46] [%clk 1:21:47] } 23... Kf8?! { [%eval 2.29] } { Inaccuracy. b5 was best. } { [%clk 0:47:48] } 24. Rhd1 { [%eval 2.16] [%clk 1:20:59] } 24... R8c7 { [%eval 2.5] [%clk 0:45:01] } 25. c3 { [%eval 2.68] [%clk 1:19:39] } 25... b5 { [%eval 2.83] [%clk 0:44:52] } 26. Rd8+ { [%eval 2.77] [%clk 1:19:55] } 26... Ke7 { [%eval 2.79] [%clk 0:44:57] } 27. Rb8 { [%eval 2.44] [%clk 1:20:23] } 27... Rc4 { [%eval 2.63] [%clk 0:43:54] } 28. a3 { [%eval 2.36] [%clk 1:20:26] } 28... Rc8 { [%eval 2.44] [%clk 0:42:09] } 29. Rxc8 { [%eval 2.29] [%clk 1:19:57] } 29... Rxc8 { [%eval 2.28] [%clk 0:41:53] } 30. Kc2 { [%eval 2.02] [%clk 1:19:36] } 30... Ke6?! { [%eval 2.83] } { Inaccuracy. g5 was best. } { [%clk 0:40:10] } 31. f4?! { [%eval 2.03] } { Inaccuracy. g3 was best. } { [%clk 1:19:12] } 31... a5? { [%eval 3.91] } { Mistake. Rg8 was best. } { [%clk 0:38:25] } 32. Rd4 { [%eval 3.62] [%clk 1:18:43] } 32... Ke7 { [%eval 4.04] [%clk 0:35:51] } 33. Kb3 { [%eval 3.73] [%clk 1:18:46] } 33... Rc6 { [%eval 3.98] [%clk 0:30:36] } 34. c4? { [%eval 2.18] } { Mistake. a4 was best. } { [%clk 1:17:00] } 34... Rb6? { [%eval 3.62] } { Mistake. a4+ was best. } { [%clk 0:30:10] } 35. cxb5 { [%eval 3.81] [%clk 1:16:42] } 35... Rxb5+ { [%eval 3.76] [%clk 0:30:27] } 36. Kc3 { [%eval 3.8] [%clk 1:17:08] } 36... Rb6 { [%eval 3.74] [%clk 0:26:52] } 37. Rd5?? { [%eval 1.53] } { Blunder. b4 was best. } { [%clk 1:16:38] } 37... Rc6+? { [%eval 3.49] } { Mistake. a4 was best. } { [%clk 0:26:15] } 38. Kd2?! { [%eval 2.57] } { Inaccuracy. Kb3 was best. } { [%clk 1:15:46] } 38... Rb6 { [%eval 2.69] [%clk 0:26:31] } 39. Kc2 { [%eval 2.58] [%clk 1:13:29] } 39... a4 { [%eval 2.33] [%clk 0:22:09] } 40. Ra5?? { [%eval 0.02] } { Blunder. Rd4 was best. } { [%clk 1:13:35] } 40... Rc6+ { [%eval 0.0] [%clk 0:22:17] } 41. Kd3 { [%eval 0.0] [%clk 1:10:36] } 41... Rb6 { [%eval 0.04] [%clk 0:22:10] } 42. Ra7+ { [%eval 0.09] [%clk 1:08:40] } 42... Ke6 { [%eval 0.05] [%clk 0:22:17] } 43. Rxa4 { [%eval 0.0] [%clk 1:08:33] } 43... Rxb2 { [%eval 0.0] [%clk 0:22:24] } 44. Ra6+ { [%eval 0.0] [%clk 1:08:36] } 44... Ke7 { [%eval 0.0] [%clk 0:22:42] } 45. Ra7+ { [%eval 0.0] [%clk 1:08:23] } 45... Ke6 { [%eval 0.0] [%clk 0:22:47] } 46. a4 { [%eval 0.0] [%clk 1:07:32] } 46... Rb6?? { [%eval 3.87] } { Blunder. Rxg2 was best. } { [%clk 0:22:13] } 47. a5 { [%eval 3.7] [%clk 1:07:27] } 47... Rc6?! { [%eval 4.97] } { Inaccuracy. Rb3+ was best. } { [%clk 0:22:04] } 48. Rb7 { [%eval 4.58] [%clk 1:07:46] } 48... Rc8 { [%eval 5.72] [%clk 0:21:22] } 49. a6 { [%eval 5.5] [%clk 1:07:43] } 49... Ra8 { [%eval 6.26] [%clk 0:17:15] } 50. a7 { [%eval 5.65] [%clk 1:07:02] } 50... f5 { [%eval 5.37] [%clk 0:17:29] } 51. exf5+ { [%eval 4.96] [%clk 1:05:40] } 51... gxf5?! { [%eval 6.65] } { Inaccuracy. Kxf5 was best. } { [%clk 0:17:43] } 52. Kc4 { [%eval 6.44] [%clk 1:04:55] } 52... Kd6 { [%eval 7.62] [%clk 0:17:45] } 53. Kb5 { [%eval 6.99] [%clk 1:05:12] } 53... Rc8?? { [%eval #12] } { Checkmate is now unavoidable. Kd5 was best. } { [%clk 0:13:29] } 54. Rb8 { [%eval #11] [%clk 1:04:54] } 54... Rc5+ { [%eval #11] [%clk 0:13:41] } 55. Ka6?! { [%eval 65.45] } { Lost forced checkmate sequence. Kb4 was best. } { [%clk 1:05:19] } 55... Rc1?! { [%eval #19] } { Checkmate is now unavoidable. Rc2 was best. } { [%clk 0:13:45] } 56. Rd8+ { [%eval 23.6] [%clk 1:04:40] } 56... Kc7?! { [%eval #15] } { Checkmate is now unavoidable. Ke7 was best. } { [%clk 0:13:53] } 57. a8=Q { [%eval #14] [%clk 1:04:41] } 57... Ra1+ { [%eval 10.39] [%clk 0:14:12] } 58. Kb5 { [%eval 9.04] [%clk 1:05:07] } 58... Rxa8? { [%eval #13] } { Checkmate is now unavoidable. Rb1+ was best. } { [%clk 0:13:56] } 59. Rxa8 { [%eval #12] [%clk 1:05:31] } 59... f6 { [%eval #10] [%clk 0:14:52] } 60. Rf8 { [%eval #14] [%clk 1:05:56] } 60... Kd7 { [%eval #10] [%clk 0:15:18] } 61. Rxf6 { [%eval #9] [%clk 1:06:20] } 61... Ke7 { [%eval #9] [%clk 0:15:42] } 62. Rxf5 { [%eval #9] [%clk 1:06:43] } 62... Ke6 { [%eval #9] [%clk 0:16:07] } 63. Rxh5 { [%eval #8] [%clk 1:07:05] } 63... Kf6 { [%eval #8] [%clk 0:16:58] } 64. Rg5 { [%eval #7] [%clk 1:07:30] } 64... Kf7 { [%eval #7] [%clk 0:17:48] } 65. h5 { [%clk 1:08:49] } 65... Kf6 { [%clk 0:17:48] } 66. h6 Kf7 { [%clk 0:17:48] } 67. h7 { [%clk 1:08:49] } 67... Ke7 { [%clk 0:17:48] } 68. h8=Q { [%clk 1:08:49] } 68... Ke6 { [%clk 0:17:48] } 69. Qh6+ { [%clk 1:08:49] } 69... Kf7 { [%clk 0:17:48] } 70. Rg7+ { [%clk 1:08:49] } 70... Kf8 { [%clk 0:17:48] } 71. Qh8# { [%clk 1:08:49] } 1-0