Event: Las Vegas National Open 2023
Date: 2023-06-18
White: Alex Ochkur
Black: Laurie Qiu
Result: 1/2-1/2
ECO: A22
Opening: English Opening: King's English Variation, Two Knights Variation, Reversed Dragon
Variant: Standard
TimeControl: G/90 +30 sec inc

1. c4 { [%eval 0.23] [%clk 1:30:59] } 1... e5 { [%eval 0.25] [%clk 1:30:57] } 2. g3 { [%eval 0.21] [%clk 1:31:26] } 2... Nf6 { [%eval 0.07] [%clk 1:31:19] } 3. Nc3 { [%eval 0.0] [%clk 1:31:53] } 3... d5 { [%eval 0.17] [%clk 1:31:19] } 4. cxd5 { [%eval 0.18] [%clk 1:32:16] } 4... Nxd5 { [%eval 0.23] [%clk 1:31:47] } 5. Bg2 { [%eval 0.16] [%clk 1:32:41] } 5... c6 { [%eval 0.61] [%clk 1:31:44] } 6. Nf3 { [%eval 0.75] [%clk 1:31:40] } 6... Bd6 { [%eval 0.76] [%clk 1:26:50] } 7. O-O { [%eval 0.73] [%clk 1:31:26] } 7... O-O { [%eval 0.59] [%clk 1:26:45] } 8. d4 { [%eval 0.62] [%clk 1:31:14] } 8... exd4 { [%eval 0.63] [%clk 1:22:40] } 9. Nxd5 { [%eval 0.59] [%clk 1:31:39] } 9... cxd5 { [%eval 0.78] [%clk 1:23:02] } 10. Nxd4 { [%eval 0.53] [%clk 1:32:00] } 10... Be5 { [%eval 0.58] [%clk 1:23:02] } 11. Nf3 { [%eval 0.36] [%clk 1:26:32] } 11... Bf6 { [%eval 0.27] [%clk 1:23:09] } 12. Ne1 { [%eval 0.12] [%clk 1:26:56] } 12... Be6?! { [%eval 0.69] } { Inaccuracy. Nc6 was best. } { [%clk 1:19:53] } 13. Nd3 { [%eval 0.64] [%clk 1:27:21] } 13... Nc6 { [%eval 0.63] [%clk 1:18:43] } 14. Be3?! { [%eval -0.27] } { Inaccuracy. Nf4 was best. } { [%clk 1:27:31] } 14... d4 { [%eval -0.22] [%clk 1:15:15] } 15. Bf4 { [%eval -0.08] [%clk 1:27:59] } 15... Qb6 { [%eval 0.08] [%clk 1:15:23] } 16. Bd6 { [%eval -0.13] [%clk 1:28:22] } 16... Rfd8 { [%eval -0.11] [%clk 1:15:36] } 17. Bc5 { [%eval -0.06] [%clk 1:27:54] } 17... Qc7 { [%eval -0.14] [%clk 1:14:18] } 18. Nf4 { [%eval -0.03] [%clk 1:19:59] } 18... Ne5? { [%eval 1.36] } { Mistake. Bf5 was best. } { [%clk 1:09:45] } 19. Nxe6 { [%eval 1.03] [%clk 1:20:22] } 19... fxe6 { [%eval 1.08] [%clk 1:10:10] } 20. Rc1 { [%eval 1.16] [%clk 1:20:09] } 20... Qf7 { [%eval 1.62] [%clk 1:08:10] } 21. Qb3?! { [%eval 0.57] } { Inaccuracy. Be4 was best. } { [%clk 1:18:13] } 21... d3 { [%eval 0.37] [%clk 0:59:29] } 22. exd3 { [%eval 0.34] [%clk 1:17:53] } 22... Nxd3 { [%eval 0.46] [%clk 0:59:45] } 23. Rc2 { [%eval 0.44] [%clk 1:18:22] } 23... Bxb2? { [%eval 2.09] } { Mistake. Nxc5 was best. } { [%clk 0:51:27] } 24. Be3 { [%eval 1.94] [%clk 1:16:21] } 24... Bf6 { [%eval 1.81] [%clk 0:49:08] } 25. Qxb7?! { [%eval 0.96] } { Inaccuracy. Rd1 was best. } { [%clk 1:15:45] } 25... Qxb7 { [%eval 0.98] [%clk 0:48:50] } 26. Bxb7 { [%eval 0.96] [%clk 1:16:12] } 26... Rab8 { [%eval 1.03] [%clk 0:49:10] } 27. Be4?! { [%eval 0.19] } { Inaccuracy. Bg2 was best. } { [%clk 1:15:41] } 27... Nb4 { [%eval 0.19] [%clk 0:47:00] } 28. Rc7 { [%eval 0.21] [%clk 1:12:59] } 28... Nxa2 { [%eval 0.21] [%clk 0:45:03] } 29. Rxa7 { [%eval 0.08] [%clk 1:12:49] } 29... Nc3 { [%eval 0.12] [%clk 0:45:24] } 30. Bf3 { [%eval 0.15] [%clk 1:12:56] } 30... e5 { [%eval 0.44] [%clk 0:43:51] } 31. Rc1 { [%eval 0.44] [%clk 1:11:39] } 31... e4 { [%eval 0.45] [%clk 0:44:06] } 32. Bg4 { [%eval 0.42] [%clk 1:12:08] } 32... Kh8 { [%eval 0.65] [%clk 0:36:27] } 33. Kf1 { [%eval 0.22] [%clk 1:08:57] } 33... Rb5 { [%eval 0.3] [%clk 0:31:57] } 34. Rd7 { [%eval 0.16] [%clk 0:54:49] } 34... Rxd7 { [%eval 0.24] [%clk 0:28:39] } 35. Bxd7 { [%eval 0.32] [%clk 0:55:16] } 35... Rd5 { [%eval 0.26] [%clk 0:28:39] } 36. Be6 { [%eval 0.22] [%clk 0:50:46] } 36... Rd6 { [%eval 0.31] [%clk 0:27:04] } 37. Bg4 { [%eval 0.35] [%clk 0:50:43] } 37... Rd8 { [%eval 0.47] [%clk 0:25:14] } 38. Ke1 { [%eval 0.23] [%clk 0:46:30] } 38... Nd5 { [%eval 0.42] [%clk 0:22:05] } 39. Bd2 { [%eval 0.43] [%clk 0:42:57] } 39... Bd4 { [%eval 0.29] [%clk 0:17:12] } 40. Ba5 { [%eval 0.04] [%clk 0:35:53] } 40... Rf8 { [%eval 0.14] [%clk 0:17:20] } 41. Rc2 { [%eval 0.16] [%clk 0:35:05] } 41... Nf6 { [%eval 0.24] [%clk 0:12:52] } 42. Bb4 { [%eval 0.2] [%clk 0:29:59] } 42... Re8 { [%eval 0.27] [%clk 0:09:54] } 43. Bh3 { [%eval 0.26] [%clk 0:30:07] } 43... h6 { [%eval 0.23] [%clk 0:09:07] } 44. Rc8 { [%eval 0.11] [%clk 0:30:17] } 44... Rxc8 { [%eval 0.09] [%clk 0:09:31] } 45. Bxc8 { [%eval 0.01] [%clk 0:30:46] } 45... Nd5 { [%eval 0.1] [%clk 0:09:49] } 46. Bd2 { [%eval 0.0] [%clk 0:30:44] } 46... e3 { [%eval 0.0] [%clk 0:10:05] } 47. fxe3 { [%eval 0.0] [%clk 0:31:12] } 47... Bxe3 { [%eval 0.0] [%clk 0:10:30] } 48. Bxe3 { [%eval -0.03] [%clk 0:30:49] } 48... Nxe3 { [%eval -0.08] [%clk 0:10:59] } 49. Ke2 { [%eval 0.0] [%clk 0:31:10] } 49... Nd5 { [%eval 0.0] [%clk 0:11:26] } 50. Kd3 { [%eval 0.0] [%clk 0:31:14] } 50... Kh7 { [%eval 0.0] [%clk 0:11:31] } 51. Bf5+ { [%eval -0.05] [%clk 0:31:33] } 51... g6 { [%eval 0.0] [%clk 0:11:58] } 52. Be6 { [%eval -0.05] [%clk 0:31:47] } 52... Nf6 { [%eval 0.0] [%clk 0:12:24] } 53. Kd4 { [%eval 0.0] [%clk 0:32:07] } 53... Kg7 { [%eval 0.0] [%clk 0:12:26] } 54. Ke5 { [%eval 0.0] [%clk 0:32:11] } 54... Ne8 { [%eval 0.0] [%clk 0:12:41] } 55. Bd7 { [%eval -0.07] [%clk 0:31:50] } 55... Nf6 { [%eval 0.0] [%clk 0:13:01] } 56. Be6 { [%eval 0.0] [%clk 0:32:18] } 56... Ne8 { [%eval 0.0] [%clk 0:13:25] } 57. Bd7 { [%eval 0.0] [%clk 0:32:39] } 57... Nf6 { [%eval 0.0] [%clk 0:13:24] } 58. Be6 { [%eval 0.0] [%clk 0:32:27] } 1/2-1/2