Event: Round 4: Maksim Chigaev - Juan Sebastian Herrera
Date: 2023-07-19
White: Maksim Chigaev
Black: Juan Sebastian Herrera
Result: 1-0
ECO: B42
Opening: Sicilian Defense: Kan Variation, Polugaevsky Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:51] } 1... c5 { [%eval 0.32] [%clk 1:26:53] } 2. Nf3 { [%eval 0.0] [%clk 1:31:11] } 2... e6 { [%eval 0.34] [%clk 1:27:16] } 3. d4 { [%eval 0.42] [%clk 1:31:34] } 3... cxd4 { [%eval 0.37] [%clk 1:27:42] } 4. Nxd4 { [%eval 0.4] [%clk 1:31:59] } 4... a6 { [%eval 0.58] [%clk 1:28:06] } 5. Bd3 { [%eval 0.42] [%clk 1:32:22] } 5... Bc5 { [%eval 0.52] [%clk 1:28:28] } 6. Nb3 { [%eval 0.52] [%clk 1:32:44] } 6... Ba7 { [%eval 0.63] [%clk 1:28:54] } 7. Qe2 { [%eval 0.49] [%clk 1:32:13] } 7... Ne7 { [%eval 0.49] [%clk 1:28:28] } 8. Be3 { [%eval 0.38] [%clk 1:32:20] } 8... O-O { [%eval 0.47] [%clk 1:27:45] } 9. Nc3 { [%eval 0.36] [%clk 1:32:02] } 9... b5 { [%eval 0.31] [%clk 1:28:13] } 10. O-O-O { [%eval 0.15] [%clk 1:32:13] } 10... b4 { [%eval 0.12] [%clk 1:28:16] } 11. Na4 { [%eval 0.17] [%clk 1:31:26] } 11... d6 { [%eval 0.17] [%clk 1:28:25] } 12. e5 { [%eval 0.05] [%clk 1:30:28] } 12... Nd5 { [%eval -0.14] [%clk 1:13:34] } 13. Bxa7 { [%eval -0.21] [%clk 1:23:11] } 13... Rxa7 { [%eval -0.12] [%clk 1:13:50] } 14. Qe4 { [%eval -0.18] [%clk 1:17:33] } 14... g6 { [%eval -0.17] [%clk 1:12:39] } 15. exd6 { [%eval 0.0] [%clk 1:17:13] } 15... Qxd6 { [%eval -0.11] [%clk 1:12:12] } 16. Bc4 { [%eval -0.02] [%clk 1:16:39] } 16... Bb7 { [%eval -0.16] [%clk 0:49:25] } 17. Qd4 { [%eval -0.2] [%clk 1:05:00] } 17... Qf4+ { [%eval -0.21] [%clk 0:49:32] } 18. Rd2 { [%eval -0.26] [%clk 0:53:18] } 18... Qxd4 { [%eval -0.3] [%clk 0:49:50] } 19. Nxd4 { [%eval -0.31] [%clk 0:53:42] } 19... Nd7 { [%eval -0.03] [%clk 0:49:03] } 20. Re1 { [%eval -0.14] [%clk 0:52:02] } 20... Rc8 { [%eval -0.12] [%clk 0:47:55] } 21. b3 { [%eval -0.02] [%clk 0:51:35] } 21... N7b6 { [%eval 0.0] [%clk 0:39:26] } 22. Nxb6 { [%eval -0.09] [%clk 0:51:06] } 22... Nxb6 { [%eval -0.03] [%clk 0:39:54] } 23. Bf1 { [%eval 0.0] [%clk 0:51:19] } 23... Nd5 { [%eval 0.1] [%clk 0:40:06] } 24. g3 { [%eval -0.21] [%clk 0:46:52] } 24... a5 { [%eval 0.06] [%clk 0:38:30] } 25. Nb5 { [%eval 0.09] [%clk 0:46:24] } 25... Ra6 { [%eval 0.1] [%clk 0:38:50] } 26. a4 { [%eval 0.13] [%clk 0:46:20] } 26... Rc5 { [%eval 0.14] [%clk 0:35:02] } 27. Kb2 { [%eval 0.01] [%clk 0:46:08] } 27... Rb6 { [%eval 0.12] [%clk 0:33:28] } 28. Bc4 { [%eval 0.05] [%clk 0:42:59] } 28... Kf8 { [%eval 0.13] [%clk 0:32:33] } 29. f4 { [%eval 0.11] [%clk 0:43:08] } 29... Nf6 { [%eval 0.07] [%clk 0:28:21] } 30. h3 { [%eval -0.21] [%clk 0:30:56] } 30... Bd5 { [%eval -0.21] [%clk 0:22:19] } 31. Bd3 { [%eval -0.33] [%clk 0:28:59] } 31... h5 { [%eval -0.36] [%clk 0:22:29] } 32. Re5 { [%eval -0.41] [%clk 0:28:57] } 32... Nd7 { [%eval -0.43] [%clk 0:22:17] } 33. Re3 { [%eval -0.38] [%clk 0:27:26] } 33... Nf6 { [%eval -0.4] [%clk 0:22:38] } 34. Re1 { [%eval -0.45] [%clk 0:22:46] } 34... Ke7 { [%eval -0.36] [%clk 0:19:28] } 35. Rf2 { [%eval -0.41] [%clk 0:20:07] } 35... Bb7 { [%eval -0.24] [%clk 0:18:11] } 36. Rfe2 { [%eval -0.22] [%clk 0:17:19] } 36... Bc6 { [%eval -0.16] [%clk 0:11:14] } 37. Nd4 { [%eval -0.17] [%clk 0:17:19] } 37... Bb7 { [%eval 0.02] [%clk 0:08:45] } 38. Bc4 { [%eval -0.1] [%clk 0:07:26] } 38... Bd5 { [%eval -0.12] [%clk 0:04:38] } 39. Re5 { [%eval -0.03] [%clk 0:07:43] } 39... Kf8 { [%eval 0.04] [%clk 0:05:05] } 40. Bd3 { [%eval -0.31] [%clk 0:06:41] } 40... Rd6 { [%eval -0.41] [%clk 0:04:08] } 41. Rg1 { [%eval -0.37] [%clk 0:06:05] } 41... Nd7 { [%eval -0.55] [%clk 0:04:03] } 42. Re3 { [%eval -0.53] [%clk 0:06:04] } 42... Bb7 { [%eval -0.25] [%clk 0:03:15] } 43. Nb5 { [%eval -0.34] [%clk 0:06:00] } 43... Rb6 { [%eval -0.07] [%clk 0:03:39] } 44. g4 { [%eval -0.18] [%clk 0:05:30] } 44... Nf6 { [%eval -0.12] [%clk 0:02:10] } 45. Re5 { [%eval -0.17] [%clk 0:05:36] } 45... Rbc6?! { [%eval 0.88] } { Inaccuracy. Rxe5 was best. } { [%clk 0:02:18] } 46. Bxg6?? { [%eval -1.82] } { Blunder. gxh5 was best. } { [%clk 0:01:17] } 46... hxg4 { [%eval -1.55] [%clk 0:12:35] } 47. hxg4 { [%eval -1.72] [%clk 0:16:25] } 47... fxg6 { [%eval -1.77] [%clk 0:04:15] } 48. Nd4 { [%eval -1.81] [%clk 0:16:51] } 48... Rxe5 { [%eval -1.54] [%clk 0:04:40] } 49. fxe5 { [%eval -1.75] [%clk 0:17:16] } 49... Ne4 { [%eval -1.69] [%clk 0:03:37] } 50. Nxc6 { [%eval -1.79] [%clk 0:17:11] } 50... Bxc6 { [%eval -1.83] [%clk 0:04:06] } 51. Kc1 { [%eval -1.64] [%clk 0:14:05] } 51... Ng5 { [%eval -1.65] [%clk 0:03:03] } 52. Rf1+ { [%eval -1.1] [%clk 0:13:23] } 52... Kg7 { [%eval -1.23] [%clk 0:03:32] } 53. Rf4? { [%eval -2.54] } { Mistake. Kd2 was best. } { [%clk 0:10:31] } 53... Nf7?? { [%eval 0.0] } { Blunder. Bd5 was best. } { [%clk 0:03:02] } 54. Rc4 { [%eval 0.0] [%clk 0:10:33] } 54... Nxe5 { [%eval 0.0] [%clk 0:02:25] } 55. Rc5 { [%eval -0.06] [%clk 0:10:57] } 55... Bd5 { [%eval 0.11] [%clk 0:02:41] } 56. Rxa5 { [%eval 0.17] [%clk 0:11:06] } 56... Nxg4 { [%eval 0.23] [%clk 0:02:29] } 57. Rb5 { [%eval 0.15] [%clk 0:11:32] } 57... Ne5 { [%eval 0.3] [%clk 0:02:09] } 58. a5 { [%eval 0.25] [%clk 0:11:48] } 58... Nc6 { [%eval 0.36] [%clk 0:02:13] } 59. a6 { [%eval 0.33] [%clk 0:11:30] } 59... g5 { [%eval 0.26] [%clk 0:01:19] } 60. Rb7+ { [%eval 0.32] [%clk 0:11:17] } 60... Kf6 { [%eval 0.29] [%clk 0:01:48] } 61. a7 { [%eval 0.3] [%clk 0:11:10] } 61... Nxa7 { [%eval 0.31] [%clk 0:02:16] } 62. Rxa7 { [%eval 0.29] [%clk 0:11:32] } 62... g4 { [%eval 0.15] [%clk 0:02:42] } 63. Kd2 { [%eval 0.28] [%clk 0:11:36] } 63... g3 { [%eval 0.37] [%clk 0:03:10] } 64. Ke3 { [%eval 0.32] [%clk 0:12:05] } 64... g2 { [%eval 0.33] [%clk 0:03:17] } 65. Kf2 { [%eval 0.21] [%clk 0:12:31] } 65... Ke5 { [%eval 0.41] [%clk 0:03:44] } 66. Ra4 { [%eval 0.42] [%clk 0:12:36] } 66... Kd4 { [%eval 1.3] [%clk 0:04:12] } 67. Rxb4+ { [%eval 1.73] [%clk 0:11:02] } 67... Kc3 { [%eval 1.6] [%clk 0:04:41] } 68. Rg4 { [%eval 1.52] [%clk 0:10:10] } 68... Kxc2?? { [%eval 5.26] } { Blunder. e5 was best. } { [%clk 0:04:52] } 69. b4 { [%eval 5.28] [%clk 0:10:36] } 69... Kd3 { [%eval 5.29] [%clk 0:04:36] } 70. b5 { [%eval 5.3] [%clk 0:10:51] } 70... e5 { [%eval 5.32] [%clk 0:04:34] } 71. b6 { [%eval 5.35] [%clk 0:09:20] } 71... e4 { [%eval 5.24] [%clk 0:04:43] } 72. Kxg2 { [%eval 5.27] [%clk 0:09:32] } 72... Kd2 { [%eval 5.07] [%clk 0:03:55] } 73. Rg5 { [%eval 5.11] [%clk 0:09:30] } 73... Bb7 { [%eval 4.95] [%clk 0:01:48] } 74. Rg7 { [%eval 5.06] [%clk 0:09:53] } 74... Bc6 { [%eval 5.26] [%clk 0:01:15] } 75. Rc7 { [%eval 5.07] [%clk 0:10:16] } 1-0