Event: Las Vegas National Open 2023
Date: 2023-06-18
White: Brandon Jacobson
WhiteTitle: GM
Black: Semen Khanin
BlackTitle: GM
Result: 1/2-1/2
ECO: E10
Opening: Indian Defense: Anti-Nimzo-Indian
Variant: Standard
TimeControl: G/90 +30 sec inc

1. d4 { [%eval 0.0] [%clk 1:25:36] } 1... Nf6 { [%eval 0.28] [%clk 1:30:48] } 2. c4 { [%eval 0.16] [%clk 1:25:48] } 2... e6 { [%eval 0.23] [%clk 1:31:15] } 3. Nf3 { [%eval 0.0] [%clk 1:24:54] } 3... d5 { [%eval 0.17] [%clk 1:31:39] } 4. g3 { [%eval 0.2] [%clk 1:24:45] } 4... Bb4+ { [%eval 0.19] [%clk 1:31:40] } 5. Nbd2 { [%eval 0.0] [%clk 1:24:53] } 5... dxc4 { [%eval 0.0] [%clk 1:32:04] } 6. Bg2 { [%eval -0.04] [%clk 1:24:03] } 6... b5 { [%eval -0.17] [%clk 1:32:28] } 7. Ne5 { [%eval -0.25] [%clk 1:21:08] } 7... Nd5 { [%eval -0.03] [%clk 1:32:29] } 8. O-O { [%eval -0.14] [%clk 1:21:31] } 8... O-O { [%eval 0.02] [%clk 1:26:33] } 9. Qc2 { [%eval -0.45] [%clk 1:21:22] } 9... Bb7 { [%eval 0.08] [%clk 1:24:48] } 10. b3 { [%eval 0.0] [%clk 1:21:44] } 10... cxb3 { [%eval 0.34] [%clk 1:12:45] } 11. Nxb3 { [%eval 0.23] [%clk 1:21:52] } 11... a5 { [%eval 0.27] [%clk 1:11:15] } 12. e4 { [%eval 0.41] [%clk 1:17:39] } 12... Nf6 { [%eval 0.57] [%clk 1:02:32] } 13. Rd1 { [%eval 0.59] [%clk 0:56:32] } 13... Qc8 { [%eval 0.54] [%clk 0:49:07] } 14. Nd3 { [%eval 0.55] [%clk 0:23:51] } 14... Na6 { [%eval 1.07] [%clk 0:38:59] } 15. Nxb4 { [%eval 1.1] [%clk 0:22:18] } 15... axb4 { [%eval 1.17] [%clk 0:32:44] } 16. Bg5 { [%eval 1.21] [%clk 0:22:11] } 16... h6?! { [%eval 2.15] } { Inaccuracy. Nd7 was best. } { [%clk 0:24:10] } 17. Bxf6 { [%eval 2.14] [%clk 0:21:40] } 17... gxf6 { [%eval 2.1] [%clk 0:24:37] } 18. Na5 { [%eval 2.2] [%clk 0:19:13] } 18... Rb8 { [%eval 2.48] [%clk 0:23:43] } 19. Nxb7 { [%eval 2.64] [%clk 0:19:05] } 19... Rxb7 { [%eval 2.81] [%clk 0:24:01] } 20. e5 { [%eval 2.65] [%clk 0:18:29] } 20... Rb6 { [%eval 2.72] [%clk 0:23:12] } 21. Qd2 { [%eval 2.71] [%clk 0:17:20] } 21... fxe5 { [%eval 2.75] [%clk 0:21:02] } 22. dxe5 { [%eval 2.84] [%clk 0:12:07] } 22... Kg7 { [%eval 2.8] [%clk 0:21:27] } 23. Qf4 { [%eval 2.57] [%clk 0:07:48] } 23... f5 { [%eval 2.7] [%clk 0:19:15] } 24. exf6+ { [%eval 2.4] [%clk 0:08:14] } 24... Rxf6 { [%eval 2.42] [%clk 0:19:41] } 25. Qe5 { [%eval 1.96] [%clk 0:08:12] } 25... c5 { [%eval 2.21] [%clk 0:16:44] } 26. Rac1? { [%eval 1.0] } { Mistake. Rd2 was best. } { [%clk 0:07:03] } 26... Qc7?! { [%eval 1.59] } { Inaccuracy. c4 was best. } { [%clk 0:14:11] } 27. Qxc7+ { [%eval 1.57] [%clk 0:03:45] } 27... Nxc7 { [%eval 1.79] [%clk 0:14:37] } 28. Rxc5 { [%eval 1.83] [%clk 0:04:13] } 28... Rf7 { [%eval 1.66] [%clk 0:14:51] } 29. Rc2 { [%eval 1.58] [%clk 0:01:04] } 29... Ra6 { [%eval 1.67] [%clk 0:14:58] } 30. Rd4 { [%eval 1.67] [%clk 0:00:52] } 30... b3 { [%eval 1.81] [%clk 0:10:03] } 31. axb3 { [%eval 1.61] [%clk 0:01:20] } 31... Ra1+ { [%eval 1.67] [%clk 0:10:30] } 32. Bf1 { [%eval 1.71] [%clk 0:01:47] } 32... Nd5 { [%eval 2.03] [%clk 0:10:50] } 33. Re4 { [%eval 1.81] [%clk 0:01:02] } 33... Rf6?! { [%eval 2.93] } { Inaccuracy. Rc7 was best. } { [%clk 0:07:04] } 34. Kg2 { [%eval 2.96] [%clk 0:01:19] } 34... Rb1 { [%eval 2.86] [%clk 0:06:14] } 35. Bxb5 { [%eval 2.75] [%clk 0:01:30] } 35... Rxb3 { [%eval 2.74] [%clk 0:06:38] } 36. Bc4 { [%eval 3.2] [%clk 0:01:29] } 36... Rb6 { [%eval 2.89] [%clk 0:04:19] } 37. Rd2?! { [%eval 2.08] } { Inaccuracy. Bxd5 was best. } { [%clk 0:00:42] } 37... Ne7 { [%eval 1.98] [%clk 0:03:44] } 38. Rde2 { [%eval 1.94] [%clk 0:00:33] } 38... Kf7 { [%eval 1.87] [%clk 0:03:55] } 39. f4 { [%eval 2.14] [%clk 0:00:43] } 39... Nf5 { [%eval 1.89] [%clk 0:02:03] } 40. Re5 { [%eval 1.96] [%clk 0:00:33] } 40... Rc6 { [%eval 1.64] [%clk 0:01:47] } 41. Ba2 { [%eval 1.56] [%clk 0:00:48] } 41... Ra6 { [%eval 1.81] [%clk 0:01:27] } 42. Bb1 { [%eval 1.66] [%clk 0:00:48] } 42... Rb6 { [%eval 1.56] [%clk 0:00:59] } 43. Be4 { [%eval 1.52] [%clk 0:01:02] } 43... Nd6 { [%eval 1.79] [%clk 0:00:38] } 44. Bf3 { [%eval 1.9] [%clk 0:01:19] } 44... Nf5 { [%eval 2.01] [%clk 0:00:50] } 45. Ra5 { [%eval 1.95] [%clk 0:00:55] } 45... Nd4 { [%eval 2.07] [%clk 0:00:49] } 46. Ra7+ { [%eval 1.88] [%clk 0:01:16] } 46... Kg8 { [%eval 1.95] [%clk 0:01:03] } 47. Rd2 { [%eval 1.92] [%clk 0:01:28] } 47... Rd6 { [%eval 2.32] [%clk 0:01:09] } 48. Ra4 { [%eval 1.73] [%clk 0:00:34] } 48... Nf5 { [%eval 1.52] [%clk 0:01:34] } 49. Rxd6 { [%eval 1.66] [%clk 0:00:45] } 49... Nxd6 { [%eval 1.7] [%clk 0:02:00] } 50. Ra6 { [%eval 1.6] [%clk 0:00:35] } 50... Nf5?! { [%eval 2.71] } { Inaccuracy. Nb5 was best. } { [%clk 0:02:05] } 51. Kf2?! { [%eval 1.64] } { Inaccuracy. Bg4 was best. } { [%clk 0:01:01] } 51... Kg7? { [%eval 3.28] } { Mistake. Kf8 was best. } { [%clk 0:02:19] } 52. Bh5?? { [%eval 1.31] } { Blunder. Bg4 was best. } { [%clk 0:00:59] } 52... Ne7 { [%eval 1.52] [%clk 0:02:18] } 53. Ra7 { [%eval 1.42] [%clk 0:00:35] } 53... Kf8 { [%eval 1.48] [%clk 0:02:43] } 54. Ra8+ { [%eval 1.12] [%clk 0:00:36] } 54... Kg7 { [%eval 1.42] [%clk 0:03:09] } 55. Ra7 { [%eval 1.5] [%clk 0:00:41] } 55... Kf8 { [%eval 1.49] [%clk 0:03:35] } 56. Ra8+ { [%eval 1.14] [%clk 0:00:40] } 56... Kg7 { [%eval 1.39] [%clk 0:04:00] } 57. Re8 { [%eval 1.24] [%clk 0:00:49] } 57... Nf5 { [%eval 1.44] [%clk 0:03:13] } 58. g4? { [%eval 0.03] } { Mistake. Kg2 was best. } { [%clk 0:00:34] } 58... Nd6 { [%eval 0.04] [%clk 0:02:44] } 59. Re7+ { [%eval 0.0] [%clk 0:00:57] } 59... Kf8 { [%eval 0.0] [%clk 0:03:10] } 60. Rd7 { [%eval 0.0] [%clk 0:01:24] } 60... e5 { [%eval 0.0] [%clk 0:02:54] } 61. Ke2 { [%eval 0.0] [%clk 0:00:41] } 1/2-1/2