Event: Merida Open
Site: chess24.com
Date: 2022-08-06
White: Katz, Alexander
WhiteTitle: IM
WhiteElo: 2412
Black: Grigoryan, Karen H.
BlackTitle: GM
BlackElo: 2631
Result: 1/2-1/2
ECO: B67
Opening: Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation
Variant: Standard

1. e4 { [%eval 0.33] [%clk 1:30:58] } 1... c5 { [%eval 0.32] [%clk 1:30:09] } 2. Nf3 { [%eval 0.0] [%clk 1:31:22] } 2... Nc6 { [%eval 0.0] [%clk 1:30:08] } 3. d4 { [%eval 0.39] [%clk 1:31:38] } 3... cxd4 { [%eval 0.38] [%clk 1:30:30] } 4. Nxd4 { [%eval 0.29] [%clk 1:32:05] } 4... Nf6 { [%eval 0.36] [%clk 1:30:48] } 5. Nc3 { [%eval 0.32] [%clk 1:32:28] } 5... d6 { [%eval 0.47] [%clk 1:31:11] } 6. Bg5 { [%eval 0.0] [%clk 1:32:43] } 6... e6 { [%eval 0.23] [%clk 1:31:31] } 7. Qd2 { [%eval 0.09] [%clk 1:33:01] } 7... a6 { [%eval 0.29] [%clk 1:31:54] } 8. O-O-O { [%eval 0.55] [%clk 1:33:13] } 8... Bd7 { [%eval 0.51] [%clk 1:32:17] } 9. f3 { [%eval 0.5] [%clk 1:32:15] } 9... Be7 { [%eval 0.57] [%clk 1:32:08] } 10. h4 { [%eval 0.32] [%clk 1:32:01] } 10... h5 { [%eval 0.62] [%clk 1:31:43] } 11. Be2?! { [%eval 0.0] } { Inaccuracy. Nxc6 was best. } { [%clk 1:29:59] } 11... b5 { [%eval 0.17] [%clk 1:28:34] } 12. Nxc6 { [%eval 0.0] [%clk 1:20:26] } 12... Bxc6 { [%eval 0.17] [%clk 1:28:46] } 13. Qd4 { [%eval -0.26] [%clk 1:19:44] } 13... Rb8 { [%eval -0.09] [%clk 1:15:41] } 14. a3?! { [%eval -0.65] } { Inaccuracy. e5 was best. } { [%clk 1:16:32] } 14... a5? { [%eval 0.75] } { Mistake. O-O was best. } { [%clk 1:12:19] } 15. e5 { [%eval 0.84] [%clk 1:10:38] } 15... dxe5 { [%eval 0.91] [%clk 1:05:23] } 16. Qxe5 { [%eval 0.99] [%clk 1:10:57] } 16... Qb6 { [%eval 1.01] [%clk 1:04:25] } 17. Be3? { [%eval -0.11] } { Mistake. Rh3 was best. } { [%clk 1:06:13] } 17... Qb7 { [%eval 0.0] [%clk 1:01:40] } 18. Rh3 { [%eval -0.36] [%clk 1:02:17] } 18... b4?? { [%eval 1.3] } { Blunder. Nd7 was best. } { [%clk 0:59:28] } 19. Ba6 { [%eval 1.02] [%clk 0:59:18] } 19... Qa8 { [%eval 1.87] [%clk 0:51:33] } 20. Nb5 { [%eval 1.93] [%clk 0:58:59] } 20... Rxb5 { [%eval 1.51] [%clk 0:51:22] } 21. Bxb5 { [%eval 1.86] [%clk 0:59:23] } 21... O-O { [%eval 1.15] [%clk 0:51:46] } 22. Rg3 { [%eval 1.9] [%clk 0:38:48] } 22... Bxb5?! { [%eval 2.75] } { Inaccuracy. bxa3 was best. } { [%clk 0:47:46] } 23. Bh6 { [%eval 2.75] [%clk 0:35:52] } 23... g6 { [%eval 2.74] [%clk 0:47:42] } 24. Bxf8 { [%eval 2.57] [%clk 0:35:34] } 24... Qxf8 { [%eval 3.13] [%clk 0:47:46] } 25. Qxb5 { [%eval 2.9] [%clk 0:35:21] } 25... bxa3 { [%eval 2.96] [%clk 0:48:00] } 26. bxa3 { [%eval 2.97] [%clk 0:30:45] } 26... Bxa3+ { [%eval 2.99] [%clk 0:44:53] } 27. Kb1 { [%eval 2.73] [%clk 0:31:10] } 27... Nd5 { [%eval 3.27] [%clk 0:39:10] } 28. Rxd5? { [%eval 1.79] } { Mistake. f4 was best. } { [%clk 0:31:02] } 28... exd5 { [%eval 1.39] [%clk 0:39:33] } 29. Rg5 { [%eval 1.85] [%clk 0:31:13] } 29... Be7?! { [%eval 2.62] } { Inaccuracy. Qe7 was best. } { [%clk 0:32:45] } 30. Rxd5 { [%eval 3.03] [%clk 0:29:50] } 30... Bxh4 { [%eval 2.99] [%clk 0:30:42] } 31. Re5 { [%eval 2.82] [%clk 0:29:47] } 31... Qg7?! { [%eval 3.6] } { Inaccuracy. Kh7 was best. } { [%clk 0:27:24] } 32. Qxa5? { [%eval 1.78] } { Mistake. Qe8+ was best. } { [%clk 0:27:02] } 32... Qf6 { [%eval 2.12] [%clk 0:25:24] } 33. Re8+ { [%eval 2.12] [%clk 0:26:34] } 33... Kh7 { [%eval 2.29] [%clk 0:25:20] } 34. Qc7 { [%eval 2.0] [%clk 0:20:33] } 34... Bg5 { [%eval 1.95] [%clk 0:22:50] } 35. Re4 { [%eval 1.62] [%clk 0:16:34] } 35... Bh6 { [%eval 1.61] [%clk 0:21:41] } 36. c3 { [%eval 1.48] [%clk 0:15:19] } 36... Qf5 { [%eval 1.72] [%clk 0:21:10] } 37. Kb2 { [%eval 1.21] [%clk 0:11:01] } 37... Bg7 { [%eval 1.75] [%clk 0:20:45] } 38. Qc4 { [%eval 1.5] [%clk 0:08:59] } 38... Qd7 { [%eval 1.57] [%clk 0:20:25] } 39. Kc2 { [%eval 1.54] [%clk 0:07:48] } 39... Bf6 { [%eval 1.62] [%clk 0:19:46] } 40. Qc5 { [%eval 1.48] [%clk 0:06:30] } 40... Kg7 { [%eval 1.22] [%clk 0:19:51] } 41. g4 { [%eval 1.32] [%clk 0:06:07] } 41... hxg4 { [%eval 1.32] [%clk 0:20:02] } 42. fxg4 { [%eval 1.32] [%clk 0:06:32] } 42... Qd8 { [%eval 1.69] [%clk 0:19:47] } 43. g5? { [%eval 0.24] } { Mistake. Re2 was best. } { [%clk 0:06:05] } 43... Bxg5 { [%eval 0.43] [%clk 0:19:18] } 44. Qd4+ { [%eval 0.49] [%clk 0:06:19] } 44... Qxd4 { [%eval 0.27] [%clk 0:18:58] } 45. Rxd4 { [%eval 0.36] [%clk 0:06:43] } 45... f5 { [%eval 0.09] [%clk 0:17:42] } 46. c4 { [%eval 0.46] [%clk 0:06:45] } 46... Be3 { [%eval 0.12] [%clk 0:17:43] } 47. Rd6 { [%eval 0.41] [%clk 0:05:34] } 47... Kf7 { [%eval 0.35] [%clk 0:16:21] } 48. Kd3 { [%eval 0.09] [%clk 0:05:58] } 48... Bg1 { [%eval 0.22] [%clk 0:16:37] } 49. Ke2 { [%eval 0.12] [%clk 0:06:18] } 49... g5 { [%eval 0.12] [%clk 0:15:26] } 50. Rd1 { [%eval 0.36] [%clk 0:05:54] } 50... Bb6 { [%eval 0.12] [%clk 0:14:30] } 51. Rd6 { [%eval 0.15] [%clk 0:06:18] } 51... Bg1 { [%eval 0.11] [%clk 0:14:48] } 52. Rd1 { [%eval 0.08] [%clk 0:04:35] } 52... Bb6 { [%eval 0.13] [%clk 0:15:13] } 53. Rb1 { [%eval 0.18] [%clk 0:04:50] } 53... Bd4 { [%eval 0.16] [%clk 0:14:07] } 54. Kd3 { [%eval 0.11] [%clk 0:05:13] } 54... Be5 { [%eval 0.09] [%clk 0:14:27] } 55. Rb5 { [%eval 0.13] [%clk 0:05:27] } 55... Ke6 { [%eval 0.08] [%clk 0:14:07] } 56. Rb6+ { [%eval 0.12] [%clk 0:05:51] } 56... Kd7 { [%eval 0.14] [%clk 0:13:52] } 57. c5 { [%eval 0.05] [%clk 0:04:56] } 57... g4 { [%eval 0.15] [%clk 0:13:47] } 58. Rg6 { [%eval 0.12] [%clk 0:03:53] } 58... g3 { [%eval 0.1] [%clk 0:14:00] } 59. Ke3 { [%eval 0.13] [%clk 0:03:11] } 59... Kc7 { [%eval 0.25] [%clk 0:10:15] } 60. Kf3 { [%eval 0.12] [%clk 0:03:15] } 60... Bd4 { [%eval 0.33] [%clk 0:10:19] } 61. Kxg3 { [%eval 0.32] [%clk 0:02:39] } 61... Bxc5 { [%eval 0.34] [%clk 0:10:43] } 62. Kf4 { [%eval 0.33] [%clk 0:03:06] } 62... Bd4 { [%eval 0.38] [%clk 0:10:33] } 63. Kxf5 { [%eval 0.29] [%clk 0:03:30] } 63... Kd7 { [%eval 0.22] [%clk 0:10:59] } 64. Ke4 { [%eval 0.37] [%clk 0:03:54] } 64... Bb2 { [%eval 0.36] [%clk 0:11:22] } 65. Kd5 { [%eval 0.26] [%clk 0:04:17] } 65... Ke7 { [%eval 0.31] [%clk 0:11:46] } 66. Rb6 { [%eval 0.27] [%clk 0:04:31] } 66... Bc3 { [%eval 0.16] [%clk 0:12:09] } 67. Rb3 { [%eval 0.23] [%clk 0:04:48] } 67... Ba1 { [%eval 0.33] [%clk 0:11:54] } 68. Re3+ { [%eval 0.26] [%clk 0:04:52] } 68... Kf6 { [%eval 0.33] [%clk 0:12:05] } 69. Re6+ { [%eval 0.3] [%clk 0:05:18] } 69... Kf7 { [%eval 0.06] [%clk 0:12:26] } 70. Ra6 { [%eval 0.33] [%clk 0:05:13] } 1/2-1/2