Event: Round 8: Osmolovskii, Nikita - Prokhorov, Makar
Date: 2024-11-23
White: Osmolovskii, Nikita
WhiteElo: 1468
Black: Prokhorov, Makar
BlackElo: 1771
Result: 0-1
ECO: B78
Opening: Sicilian Defense: Dragon Variation, Yugoslav Attack, Old Line
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:54] } 1... c5 { [%eval 0.25] [%clk 1:31:00] } 2. Nf3 { [%eval 0.21] [%clk 1:31:17] } 2... Nc6 { [%eval 0.3] [%clk 1:31:25] } 3. d4 { [%eval 0.27] [%clk 1:31:42] } 3... cxd4 { [%eval 0.35] [%clk 1:31:50] } 4. Nxd4 { [%eval 0.21] [%clk 1:32:07] } 4... g6 { [%eval 0.47] [%clk 1:32:12] } 5. Nc3 { [%eval 0.2] [%clk 1:32:28] } 5... Bg7 { [%eval 0.24] [%clk 1:32:35] } 6. Be3 { [%eval 0.3] [%clk 1:32:53] } 6... Nf6 { [%eval 0.19] [%clk 1:32:54] } 7. f3 { [%eval 0.0] } 7... O-O { [%eval 0.0] [%clk 1:33:16] } 8. Bc4 { [%eval -0.07] [%clk 1:33:17] } 8... d6?! { [%eval 0.48] } { Inaccuracy. d5 was best. } { [%clk 1:33:07] } 9. Qd2 { [%eval 0.5] [%clk 1:33:32] } 9... Bd7 { [%eval 0.49] [%clk 1:33:08] } 10. O-O-O { [%eval 0.48] [%clk 1:33:34] } 10... Rc8 { [%eval 0.64] [%clk 1:33:27] } 11. Bd3?! { [%eval -0.37] } { Inaccuracy. Bb3 was best. } { [%clk 1:33:40] } 11... Ne5?! { [%eval 0.45] } { Inaccuracy. d5 was best. } { [%clk 1:33:22] } 12. Kb1 { [%eval 0.42] [%clk 1:33:20] } 12... a6 { [%eval 0.45] [%clk 1:32:51] } 13. h4 { [%eval 0.31] [%clk 1:32:10] } 13... b5?! { [%eval 0.96] } { Inaccuracy. h5 was best. } { [%clk 1:31:56] } 14. g4 { [%eval 0.43] [%clk 1:22:09] } 14... Nc4? { [%eval 1.94] } { Mistake. Nxd3 was best. } { [%clk 1:31:28] } 15. Bxc4 { [%eval 1.82] [%clk 1:20:27] } 15... bxc4 { [%eval 2.25] [%clk 1:30:19] } 16. Bh6 { [%eval 2.0] } 16... Qb6?! { [%eval 2.73] } { Inaccuracy. Rb8 was best. } { [%clk 1:29:49] } 17. h5 { [%eval 2.81] [%clk 1:17:06] } 17... Rb8 { [%eval 2.88] [%clk 1:28:27] } 18. b3 { [%eval 2.71] [%clk 1:16:11] } 18... cxb3 { [%eval 2.84] [%clk 1:15:27] } 19. cxb3 { [%eval 2.72] [%clk 1:12:29] } 19... Rbc8? { [%eval 4.61] } { Mistake. Qc5 was best. } { [%clk 1:04:30] } 20. hxg6 { [%eval 4.76] [%clk 1:03:17] } 20... fxg6 { [%eval 4.55] [%clk 0:53:42] } 21. Bxg7 { [%eval 4.42] [%clk 0:47:10] } 21... Kxg7 { [%eval 4.41] [%clk 0:48:11] } 22. Qh6+ { [%eval 4.38] [%clk 0:38:37] } 22... Kf7 { [%eval 4.55] [%clk 0:41:36] } 23. Kb2?? { [%eval 1.92] } { Blunder. g5 was best. } { [%clk 0:36:50] } 23... Qc5 { [%eval 1.79] [%clk 0:31:39] } 24. Rd3?! { [%eval 0.68] } { Inaccuracy. Nd5 was best. } { [%clk 0:32:37] } 24... g5?? { [%eval 2.82] } { Blunder. Bb5 was best. } { [%clk 0:19:38] } 25. Na4?? { [%eval -1.46] } { Blunder. Nd5 was best. } { [%clk 0:29:45] } 25... Bxa4 { [%eval -1.24] [%clk 0:17:13] } 26. bxa4 { [%eval -1.25] [%clk 0:25:47] } 26... Rb8+ { [%eval -1.29] [%clk 0:14:23] } 27. Nb3 { [%eval -1.32] [%clk 0:22:01] } 27... Rfc8 { [%eval -1.39] [%clk 0:14:28] } 28. Qh2 { [%eval -1.11] [%clk 0:18:58] } 28... Qc4 { [%eval -0.79] [%clk 0:14:20] } 29. Qd2 { [%eval -0.89] [%clk 0:17:57] } 29... Qxa4?! { [%eval 0.0] } { Inaccuracy. Qc5 was best. } { [%clk 0:11:06] } 30. Qxg5 { [%eval -0.07] [%clk 0:14:36] } 30... Qc4 { [%eval 0.0] [%clk 0:06:25] } 31. Qd2 { [%eval 0.0] [%clk 0:13:59] } 31... a5? { [%eval 1.26] } { Mistake. Qe6 was best. } { [%clk 0:05:52] } 32. Rc1? { [%eval -0.34] } { Mistake. g5 was best. } { [%clk 0:12:32] } 32... Qb5 { [%eval -0.17] [%clk 0:05:52] } 33. Rxc8 { [%eval -0.21] [%clk 0:09:15] } 33... Rxc8 { [%eval -0.38] [%clk 0:06:04] } 34. g5?! { [%eval -0.98] } { Inaccuracy. a4 was best. } { [%clk 0:09:14] } 34... Nd7 { [%eval -1.05] [%clk 0:04:32] } 35. Rd5 { [%eval -1.33] [%clk 0:09:23] } 35... Nc5? { [%eval -0.13] } { Mistake. Qc6 was best. } { [%clk 0:04:12] } 36. Qxa5 { [%eval -0.14] [%clk 0:08:59] } 36... Nd3+?? { [%eval 4.36] } { Blunder. Qb7 was best. } { [%clk 0:01:19] } 37. Rxd3 { [%eval 4.16] [%clk 0:08:20] } 37... Qxa5 { [%eval 4.33] } 38. Nxa5 { [%eval 4.22] [%clk 0:08:37] } 38... Rc5 { [%eval 4.78] [%clk 0:00:57] } 39. Rd5 { [%eval 4.78] [%clk 0:08:43] } 39... Rc8 { [%eval 4.58] [%clk 0:01:10] } 40. Nb7 { [%eval 4.71] [%clk 0:08:56] } 40... Rb8 { [%eval 4.81] [%clk 0:01:37] } 41. Rb5 { [%eval 4.83] [%clk 0:09:08] } 41... Ra8 { [%eval 5.03] [%clk 0:01:55] } 42. Kb3 { [%eval 4.91] [%clk 0:09:13] } 42... Ke6 { [%eval 5.14] [%clk 0:02:20] } 43. Na5 { [%eval 5.01] [%clk 0:09:25] } 43... Rf8 { [%eval 4.98] [%clk 0:02:43] } 44. Rf5 { [%eval 4.89] [%clk 0:08:58] } 44... Rxf5 { [%eval 6.1] [%clk 0:03:09] } 45. exf5+ { [%eval 6.17] [%clk 0:09:24] } 45... Kxf5 { [%eval 6.32] [%clk 0:03:38] } 46. Nc6 { [%eval 6.12] [%clk 0:09:25] } 46... Kxg5 { [%eval 6.0] [%clk 0:04:04] } 47. a4 { [%eval 5.82] [%clk 0:09:40] } 47... h5 { [%eval 5.66] [%clk 0:04:31] } 48. a5 { [%eval 5.6] } 48... h4 { [%eval 5.57] [%clk 0:04:55] } 49. Nd4 { [%eval 5.41] [%clk 0:09:37] } 49... h3 { [%eval 5.02] [%clk 0:04:22] } 50. Ne2?? { [%eval -3.29] } { Blunder. f4+ was best. } { [%clk 0:09:47] } 50... Kh4 { [%eval -3.35] [%clk 0:04:39] } 51. a6 { [%eval -3.24] [%clk 0:10:00] } 51... h2 { [%eval -3.13] [%clk 0:05:06] } 52. a7 { [%eval -3.11] [%clk 0:10:16] } 52... h1=Q { [%eval -3.21] [%clk 0:05:13] } 53. a8=Q { [%eval -3.17] } 53... Qd1+ { [%eval -3.2] [%clk 0:05:28] } 54. Kc3 { [%eval -3.31] [%clk 0:10:39] } 54... Qxe2 { [%eval -3.25] [%clk 0:05:49] } 55. Qh8+?! { [%eval -4.46] } { Inaccuracy. Qa4+ was best. } { [%clk 0:10:38] } 55... Kg3 { [%eval -4.44] [%clk 0:05:52] } 56. Qg7+ { [%eval -4.32] [%clk 0:10:32] } 56... Kxf3 { [%eval -4.32] [%clk 0:03:33] } 57. Qf7+ { [%eval -4.19] [%clk 0:10:52] } 57... Kg2 { [%eval -4.17] [%clk 0:03:53] } 58. Qg6+ { [%eval -4.03] [%clk 0:11:10] } 58... Kf1 { [%eval -3.68] [%clk 0:04:19] } 59. Qb1+?? { [%eval -77.46] } { Blunder. Qf5+ was best. } { [%clk 0:10:51] } 59... Qe1+ { [%eval -11.05] [%clk 0:04:47] } 60. Qxe1+ { [%eval #-21] [%clk 0:09:48] } 60... Kxe1 { [%eval #-26] [%clk 0:05:15] } 61. Kd4 { [%eval #-26] [%clk 0:10:14] } 61... e6?! { [%eval -80.17] } { Lost forced checkmate sequence. Ke2 was best. } { [%clk 0:05:12] } 62. Ke4?! { [%eval #-30] } { Checkmate is now unavoidable. Ke3 was best. } { [%clk 0:10:29] } 62... Ke2 { [%eval #-17] [%clk 0:05:35] } 63. Kd4 { [%eval #-19] [%clk 0:10:29] } 63... Kf3 { [%eval #-18] [%clk 0:05:54] } 64. Kd3 { [%eval #-19] [%clk 0:10:24] } 64... e5 { [%eval #-18] [%clk 0:06:18] } 65. Kd2 { [%eval #-15] [%clk 0:10:15] } 65... Kf2 { [%eval #-17] [%clk 0:06:17] } 66. Kd3 { [%eval #-16] [%clk 0:10:36] } 66... d5 { [%eval #-15] [%clk 0:06:43] } 67. Kd2 { [%eval #-15] [%clk 0:10:44] } 67... e4 { [%eval #-14] [%clk 0:07:11] } 68. Kd1 { [%eval #-11] [%clk 0:10:12] } 68... e3 { [%eval #-10] [%clk 0:07:26] } 69. Kc2 { [%eval #-10] [%clk 0:10:29] } 69... e2 { [%eval #-9] [%clk 0:07:52] } 70. Kd3 { [%eval #-8] [%clk 0:10:48] } 70... e1=Q { [%eval #-7] [%clk 0:07:54] } 71. Kd4 { [%eval #-7] [%clk 0:10:56] } 71... Qe3+ { [%eval #-8] [%clk 0:08:15] } 72. Kxd5 { [%eval #-8] [%clk 0:11:13] } 72... Qf4 { [%eval #-8] [%clk 0:08:38] } 73. Kc5 { [%eval #-8] [%clk 0:11:24] } 73... Qe4 { [%eval #-7] [%clk 0:09:02] } 74. Kd6 { [%eval #-7] [%clk 0:11:37] } 74... Qf5 { [%eval #-7] [%clk 0:09:26] } 75. Ke7 { [%eval #-8] [%clk 0:11:58] } 75... Qg6 { [%eval #-7] [%clk 0:09:52] } 76. Kd7 { [%eval #-7] [%clk 0:11:31] } 76... Ke3 { [%eval #-6] [%clk 0:10:16] } 77. Kd8 { [%eval #-5] [%clk 0:11:35] } 77... Qf7 { [%eval #-4] [%clk 0:10:40] } 78. Kc8 { [%eval #-4] [%clk 0:12:00] } 78... Kd4 { [%eval #-3] [%clk 0:11:04] } 79. Kd8 { [%eval #-3] [%clk 0:11:52] } 79... Kc5 { [%eval #-2] [%clk 0:11:29] } 80. Kc8 { [%clk 0:11:34] } 80... Kc6 { [%clk 0:11:53] } 81. Kd8 { [%clk 0:11:55] } 81... Qd7# { [%clk 0:12:17] } 0-1