Event: Round 5: Kovchan, Alexander - Alinasab, Mobina
Date: 2024-04-12
White: Kovchan, Alexander
WhiteTitle: GM
WhiteElo: 2469
Black: Alinasab, Mobina
BlackTitle: WGM
BlackElo: 2340
Result: 1/2-1/2
ECO: B41
Opening: Sicilian Defense: Kan Variation
Variant: Standard

1. e4 { [%eval 0.14] [%clk 1:30:36] } 1... c5 { [%eval 0.17] [%clk 1:30:54] } 2. Nf3 { [%eval 0.22] [%clk 1:30:55] } 2... e6 { [%eval 0.41] [%clk 1:31:16] } 3. d4 { [%eval 0.42] [%clk 1:31:06] } 3... cxd4 { [%eval 0.26] [%clk 1:31:40] } 4. Nxd4 { [%eval 0.34] [%clk 1:31:29] } 4... a6 { [%eval 0.45] [%clk 1:32:05] } 5. Qf3 { [%eval 0.24] [%clk 1:29:40] } 5... Qc7 { [%eval 0.76] [%clk 1:30:31] } 6. Bd3 { [%eval 0.32] [%clk 1:29:07] } 6... Nc6 { [%eval 0.45] [%clk 1:28:44] } 7. Nxc6 { [%eval 0.46] [%clk 1:28:58] } 7... dxc6 { [%eval 0.59] [%clk 1:28:32] } 8. Nd2 { [%eval 0.68] [%clk 1:27:27] } 8... Nf6 { [%eval 0.69] [%clk 1:16:59] } 9. Nc4 { [%eval 0.62] [%clk 1:24:36] } 9... Nd7 { [%eval 0.58] [%clk 1:16:17] } 10. Bf4 { [%eval 0.37] [%clk 1:16:44] } 10... e5 { [%eval 0.37] [%clk 1:16:14] } 11. Bd2 { [%eval 0.39] [%clk 1:16:40] } 11... b5 { [%eval 0.41] [%clk 1:13:16] } 12. Ba5 { [%eval 0.41] [%clk 1:14:20] } 12... Qb8 { [%eval 0.82] [%clk 1:08:10] } 13. Ne3 { [%eval 0.92] [%clk 1:14:10] } 13... Nc5 { [%eval 0.77] [%clk 1:06:49] } 14. O-O-O { [%eval 0.82] [%clk 1:10:59] } 14... Be7 { [%eval 0.97] [%clk 1:05:12] } 15. Nf5 { [%eval 0.9] [%clk 1:09:13] } 15... Bxf5 { [%eval 0.93] [%clk 0:58:55] } 16. exf5 { [%eval 0.94] [%clk 1:08:22] } 16... O-O { [%eval 0.95] [%clk 0:59:14] } 17. Be4 { [%eval 0.94] [%clk 1:03:21] } 17... Nxe4 { [%eval 0.9] [%clk 0:54:44] } 18. Qxe4 { [%eval 0.91] [%clk 1:03:37] } 18... b4 { [%eval 0.85] [%clk 0:55:00] } 19. Rd7 { [%eval 0.37] [%clk 0:50:18] } 19... Qb5 { [%eval 0.63] [%clk 0:37:01] } 20. Rxe7 { [%eval 0.61] [%clk 0:39:04] } 20... Qxa5 { [%eval 0.64] [%clk 0:37:20] } 21. Kb1 { [%eval 0.58] [%clk 0:38:57] } 21... Qc5 { [%eval 0.57] [%clk 0:37:27] } 22. Rxe5 { [%eval 0.54] [%clk 0:38:46] } 22... Qxf2 { [%eval 0.62] [%clk 0:37:50] } 23. Qxc6 { [%eval 0.55] [%clk 0:38:19] } 23... a5 { [%eval 0.69] [%clk 0:37:18] } 24. Rhe1 { [%eval 0.63] [%clk 0:35:20] } 24... h6 { [%eval 0.68] [%clk 0:37:13] } 25. Qf3 { [%eval 0.64] [%clk 0:31:06] } 25... Qb6 { [%eval 0.93] [%clk 0:28:41] } 26. Qe3?! { [%eval 0.34] } { Inaccuracy. f6 was best. } { [%clk 0:29:33] } 26... Qf6 { [%eval 0.4] [%clk 0:28:47] } 27. Rd1?! { [%eval -0.16] } { Inaccuracy. Qe4 was best. } { [%clk 0:25:17] } 27... Rfd8 { [%eval 0.17] [%clk 0:19:43] } 28. Rxd8+ { [%eval 0.0] [%clk 0:20:33] } 28... Rxd8 { [%eval 0.0] [%clk 0:20:09] } 29. Re8+ { [%eval 0.0] [%clk 0:19:54] } 29... Rxe8 { [%eval 0.0] [%clk 0:20:35] } 30. Qxe8+ { [%eval 0.0] [%clk 0:20:19] } 30... Kh7 { [%eval 0.0] [%clk 0:21:01] } 31. Qe4 { [%eval 0.0] [%clk 0:18:46] } 31... Qd6 { [%eval 0.17] [%clk 0:20:48] } 32. a3 { [%eval 0.22] [%clk 0:17:44] } 32... Qxh2 { [%eval 0.25] [%clk 0:11:31] } 33. f6+ { [%eval 0.32] [%clk 0:15:52] } 33... Kh8 { [%eval 0.38] [%clk 0:11:14] } 34. Qe8+ { [%eval 0.19] [%clk 0:07:02] } 34... Kh7 { [%eval 0.19] [%clk 0:11:39] } 35. Qe4+ { [%eval 0.31] [%clk 0:07:30] } 35... Kh8 { [%eval 0.25] [%clk 0:12:05] } 36. axb4 { [%eval 0.06] [%clk 0:07:50] } 36... axb4 { [%eval 0.03] [%clk 0:12:28] } 37. Qe8+ { [%eval 0.06] [%clk 0:07:51] } 37... Kh7 { [%eval 0.04] [%clk 0:12:52] } 38. Qe4+ { [%eval 0.08] [%clk 0:08:19] } 38... Kh8 { [%eval 0.2] [%clk 0:12:46] } 39. Qxb4 { [%eval 0.0] [%clk 0:05:01] } 39... Qg1+ { [%eval 0.17] [%clk 0:13:07] } 40. Ka2 { [%eval 0.23] [%clk 0:05:16] } 40... Qxg2 { [%eval 0.26] [%clk 0:13:26] } 41. Qf8+ { [%eval 0.32] [%clk 0:05:18] } 41... Kh7 { [%eval 0.14] [%clk 0:13:43] } 42. Qxf7 { [%eval 0.0] [%clk 0:05:20] } 42... Qg6 { [%eval 0.25] [%clk 0:12:10] } 43. Qd5 { [%eval 0.31] [%clk 0:03:48] } 43... gxf6 { [%eval 0.38] [%clk 0:04:25] } 44. c4 { [%eval 0.26] [%clk 0:04:16] } 44... Qg8?? { [%eval 2.17] } { Blunder. Kg7 was best. } { [%clk 0:03:55] } 45. Qe4+?? { [%eval 0.28] } { Blunder. b4 was best. } { [%clk 0:03:52] } 45... Qg6 { [%eval 0.3] [%clk 0:04:19] } 46. Qe7+ { [%eval 0.26] [%clk 0:03:48] } 46... Qg7 { [%eval 0.29] [%clk 0:04:45] } 47. Qc5 { [%eval 0.07] [%clk 0:03:25] } 47... Qd7 { [%eval 0.05] [%clk 0:04:22] } 48. b4 { [%eval 0.09] [%clk 0:03:15] } 48... Kg6 { [%eval 0.46] [%clk 0:02:26] } 49. Qg1+ { [%eval 0.0] [%clk 0:02:56] } 49... Kf7 { [%eval 0.0] [%clk 0:02:38] } 50. b5 { [%eval 0.0] [%clk 0:03:05] } 50... h5 { [%eval 0.0] [%clk 0:02:27] } 51. Qg3 { [%eval 0.03] [%clk 0:02:46] } 51... Qd4 { [%eval 0.0] [%clk 0:00:40] } 52. Qc7+ { [%eval 0.0] [%clk 0:03:09] } 52... Ke6 { [%eval 0.01] [%clk 0:00:58] } 53. Qc6+ { [%eval 0.0] [%clk 0:03:17] } 53... Ke5?? { [%eval 3.99] } { Blunder. Ke7 was best. } { [%clk 0:00:37] } 54. b6 { [%eval 4.32] [%clk 0:02:56] } 54... Qd2+ { [%eval 4.31] [%clk 0:00:35] } 55. Kb3 { [%eval 4.29] [%clk 0:03:24] } 55... Qd3+ { [%eval 4.18] [%clk 0:00:37] } 56. Kb4 { [%eval 3.85] [%clk 0:03:25] } 56... Qd2+ { [%eval 5.33] [%clk 0:00:34] } 57. Kb5 { [%eval 5.26] [%clk 0:03:21] } 57... Qb2+ { [%eval 5.21] [%clk 0:00:44] } 58. Ka6 { [%eval 4.96] [%clk 0:03:45] } 58... Qa3+ { [%eval 5.0] [%clk 0:00:55] } 59. Kb7 { [%eval 5.35] [%clk 0:04:13] } 59... h4 { [%eval 6.1] [%clk 0:00:53] } 60. Qd5+ { [%eval 5.8] [%clk 0:01:48] } 60... Kf4 { [%eval 5.19] [%clk 0:01:22] } 61. c5 { [%eval 5.76] [%clk 0:01:53] } 61... h3 { [%eval 5.17] [%clk 0:00:46] } 62. Kc8?? { [%eval 2.23] } { Blunder. c6 was best. } { [%clk 0:02:02] } 62... h2 { [%eval 2.19] [%clk 0:00:39] } 63. b7 { [%eval 2.16] [%clk 0:02:26] } 63... Qh3+ { [%eval 2.0] [%clk 0:01:00] } 64. Kd8 { [%eval 1.48] [%clk 0:01:43] } 64... Qh8+ { [%eval 1.49] [%clk 0:01:20] } 65. Ke7? { [%eval 0.0] } { Mistake. Kc7 was best. } { [%clk 0:01:24] } 65... Ke3?? { [%eval 3.44] } { Blunder. f5 was best. } { [%clk 0:00:34] } 66. Qe6+?? { [%eval 0.0] } { Blunder. Qb3+ was best. } { [%clk 0:00:54] } 66... Kd4 { [%eval 0.0] [%clk 0:00:47] } 67. Qg4+ { [%eval 0.0] [%clk 0:00:38] } 67... Kc3 { [%eval 0.0] [%clk 0:00:48] } 68. Qg3+ { [%eval 0.0] [%clk 0:00:40] } 68... Kc4 { [%eval 0.0] [%clk 0:00:45] } 69. b8=Q { [%eval 0.0] [%clk 0:00:42] } 69... Qxb8 { [%eval 0.0] [%clk 0:01:10] } 70. Qxb8 { [%eval 0.0] [%clk 0:01:05] } 70... h1=Q { [%eval 0.0] } 71. Qf4+ { [%eval 0.0] [%clk 0:01:14] } 1/2-1/2