Event: Las Vegas National Open 2023
Date: 2023-06-17
White: Jacob Derain
Black: Aaron Gurovich
Result: 1-0
ECO: E21
Opening: Nimzo-Indian Defense: Three Knights Variation
Variant: Standard
TimeControl: G/90 +30 sec inc

1. d4 { [%eval 0.0] [%clk 1:30:54] } 1... Nf6 { [%eval 0.28] [%clk 1:30:54] } 2. c4 { [%eval 0.16] [%clk 1:31:17] } 2... e6 { [%eval 0.23] [%clk 1:31:21] } 3. Nc3 { [%eval 0.05] [%clk 1:31:24] } 3... Bb4 { [%eval 0.25] [%clk 1:31:46] } 4. Nf3 { [%eval 0.0] [%clk 1:30:25] } 4... O-O { [%eval 0.21] [%clk 1:32:09] } 5. Bf4 { [%eval 0.0] [%clk 1:29:44] } 5... c5 { [%eval -0.12] [%clk 1:28:52] } 6. e3 { [%eval -0.05] [%clk 1:28:42] } 6... Qa5 { [%eval -0.09] [%clk 1:28:10] } 7. Qc2 { [%eval -0.25] [%clk 1:25:13] } 7... Ne4?? { [%eval 2.14] } { Blunder. cxd4 was best. } { [%clk 1:24:41] } 8. Rc1? { [%eval 0.82] } { Mistake. Bd3 was best. } { [%clk 1:22:29] } 8... f5 { [%eval 0.48] [%clk 1:23:57] } 9. Bd3 { [%eval 0.51] [%clk 1:21:40] } 9... Qxa2 { [%eval 0.9] [%clk 1:23:20] } 10. Bxe4 { [%eval 0.9] [%clk 1:20:29] } 10... fxe4 { [%eval 0.82] [%clk 1:23:20] } 11. Nd2 { [%eval 0.84] [%clk 1:19:19] } 11... Qa5?! { [%eval 1.92] } { Inaccuracy. Bxc3 was best. } { [%clk 1:22:22] } 12. Ndxe4?? { [%eval -1.92] } { Blunder. Bd6 was best. } { [%clk 1:17:52] } 12... cxd4 { [%eval -1.47] [%clk 1:21:50] } 13. Bxb8 { [%eval -1.52] [%clk 1:14:28] } 13... dxc3 { [%eval -1.4] [%clk 1:20:32] } 14. bxc3 { [%eval -1.35] [%clk 1:13:44] } 14... Rxb8 { [%eval -1.37] [%clk 1:20:41] } 15. cxb4 { [%eval -1.43] [%clk 1:12:07] } 15... Qxb4+ { [%eval -1.43] [%clk 1:21:10] } 16. Nd2 { [%eval -1.36] [%clk 1:10:29] } 16... b6 { [%eval -1.35] [%clk 1:19:37] } 17. O-O { [%eval -1.3] [%clk 1:10:21] } 17... Bb7 { [%eval -1.42] [%clk 1:19:18] } 18. Rfd1 { [%eval -1.5] [%clk 1:07:51] } 18... Rbc8 { [%eval -1.27] [%clk 1:17:16] } 19. Rb1 { [%eval -1.41] [%clk 1:02:00] } 19... Qe7 { [%eval -1.33] [%clk 1:16:51] } 20. Qa4? { [%eval -3.14] } { Mistake. Qb2 was best. } { [%clk 0:56:16] } 20... Qg5? { [%eval -1.55] } { Mistake. Bxg2 was best. } { [%clk 1:16:30] } 21. e4 { [%eval -1.57] [%clk 0:51:09] } 21... Qc5 { [%eval -1.4] [%clk 1:13:18] } 22. Rf1 { [%eval -1.5] [%clk 0:44:56] } 22... Qd4?! { [%eval -0.5] } { Inaccuracy. Rc7 was best. } { [%clk 0:49:56] } 23. Qxa7 { [%eval -0.52] [%clk 0:38:34] } 23... Bxe4?! { [%eval 0.04] } { Inaccuracy. Bc6 was best. } { [%clk 0:45:52] } 24. Nxe4 { [%eval 0.04] [%clk 0:38:32] } 24... Qxe4 { [%eval 0.07] [%clk 0:46:17] } 25. Rxb6 { [%eval -0.09] [%clk 0:27:12] } 25... Rxc4 { [%eval 0.05] [%clk 0:46:12] } 26. Qxd7 { [%eval 0.06] [%clk 0:26:30] } 26... Rc2 { [%eval 0.09] [%clk 0:45:41] } 27. Qxe6+ { [%eval 0.09] [%clk 0:25:22] } 27... Qxe6 { [%eval 0.12] [%clk 0:46:06] } 28. Rxe6 { [%eval 0.15] [%clk 0:25:41] } 28... Kf7 { [%eval 0.08] [%clk 0:44:27] } 29. Ree1 { [%eval 0.06] [%clk 0:22:56] } 29... Rd8 { [%eval 0.07] [%clk 0:43:52] } 30. Rd1 { [%eval 0.09] [%clk 0:22:59] } 30... Rb8 { [%eval 0.06] [%clk 0:43:42] } 31. Rc1 { [%eval 0.03] [%clk 0:22:17] } 31... Rbb2 { [%eval 0.06] [%clk 0:43:56] } 32. Rxc2 { [%eval 0.05] [%clk 0:22:30] } 32... Rxc2 { [%eval 0.08] [%clk 0:44:24] } 33. g4 { [%eval 0.06] [%clk 0:21:49] } 33... Kf6 { [%eval 0.05] [%clk 0:43:17] } 34. Kg2 { [%eval 0.08] [%clk 0:20:02] } 34... h5 { [%eval 0.0] [%clk 0:42:03] } 35. Kg3 { [%eval 0.0] [%clk 0:19:11] } 35... hxg4 { [%eval 0.0] [%clk 0:41:56] } 36. Kxg4 { [%eval 0.0] [%clk 0:19:30] } 36... g5 { [%eval 0.0] [%clk 0:39:29] } 37. h3 { [%eval 0.0] [%clk 0:18:33] } 37... Rc4+ { [%eval 0.0] [%clk 0:39:37] } 38. Kg3 { [%eval 0.0] [%clk 0:18:24] } 38... Rb4 { [%eval 0.0] [%clk 0:36:14] } 39. f3 { [%eval 0.0] [%clk 0:18:18] } 39... Kf5 { [%eval 0.0] [%clk 0:34:11] } 40. Re1 { [%eval 0.0] [%clk 0:17:21] } 40... Rc4 { [%eval 0.0] [%clk 0:34:03] } 41. Re4 { [%eval 0.0] [%clk 0:15:42] } 41... Rc5 { [%eval 0.0] [%clk 0:34:13] } 42. h4 { [%eval 0.0] [%clk 0:15:02] } 42... gxh4+ { [%eval 0.0] [%clk 0:34:40] } 43. Kxh4 { [%eval 0.0] [%clk 0:15:14] } 43... Rc8 { [%eval 0.03] [%clk 0:33:59] } 44. Kg3 { [%eval 0.0] [%clk 0:13:56] } 44... Ra8 { [%eval 0.0] [%clk 0:33:57] } 45. Rb4 { [%eval 0.0] [%clk 0:12:39] } 45... Ra3 { [%eval 0.0] [%clk 0:34:08] } 46. Rb5+ { [%eval 0.0] [%clk 0:12:55] } 46... Kf6 { [%eval 0.0] [%clk 0:34:16] } 47. Kg4 { [%eval 0.0] [%clk 0:13:08] } 47... Ra6 { [%eval 0.0] [%clk 0:32:46] } 48. f4 { [%eval 0.0] [%clk 0:13:02] } 48... Rc6 { [%eval 0.0] [%clk 0:32:59] } 49. Rh5 { [%eval 0.0] [%clk 0:11:37] } 49... Rc1 { [%eval 0.0] [%clk 0:33:15] } 50. Rh6+ { [%eval 0.0] [%clk 0:11:18] } 50... Kg7 { [%eval 0.0] [%clk 0:33:18] } 51. Rb6 { [%eval 0.0] [%clk 0:11:23] } 51... Rg1+ { [%eval 0.0] [%clk 0:31:30] } 52. Kf5 { [%eval 0.0] [%clk 0:11:16] } 52... Rf1 { [%eval 0.0] [%clk 0:31:55] } 53. Rb7+ { [%eval 0.0] [%clk 0:11:08] } 53... Kf8 { [%eval 0.0] [%clk 0:32:10] } 54. Ke5 { [%eval 0.0] [%clk 0:09:29] } 54... Re1+ { [%eval 0.0] [%clk 0:32:36] } 55. Kf6 { [%eval 0.04] [%clk 0:09:30] } 55... Kg8 { [%eval 0.0] [%clk 0:32:04] } 56. f5 { [%eval 0.0] [%clk 0:09:20] } 56... Re8?? { [%eval #21] } { Checkmate is now unavoidable. Rf1 was best. } { [%clk 0:31:18] } 57. Kg6 { [%eval #18] [%clk 0:08:02] } 57... Ra8 { [%eval #20] [%clk 0:30:38] } 58. f6 { [%eval #17] [%clk 0:07:49] } 58... Rc8 { [%eval #16] [%clk 0:30:23] } 59. Rg7+ { [%eval #12] [%clk 0:07:05] } 59... Kh8 { [%eval #8] [%clk 0:29:24] } 60. Rh7+ { [%eval #7] [%clk 0:07:19] } 1-0