Event: Las Vegas National Open 2023
Date: 2023-06-15
White: Pedro Espinosa
WhiteTitle: CM
Black: Jianchao Zhou
BlackTitle: GM
Result: 1-0
ECO: D37
Opening: Queen's Gambit Declined: Three Knights Variation
Variant: Standard
TimeControl: G/90 +30 sec inc

1. d4 { [%eval 0.0] [%clk 1:28:39] } 1... Nf6 { [%eval 0.28] [%clk 1:26:57] } 2. c4 { [%eval 0.16] [%clk 1:28:09] } 2... e6 { [%eval 0.23] [%clk 1:27:03] } 3. Nf3 { [%eval 0.0] [%clk 1:28:29] } 3... d5 { [%eval 0.17] [%clk 1:27:18] } 4. Nc3 { [%eval 0.0] [%clk 1:28:51] } 4... a6 { [%eval 0.36] [%clk 1:27:34] } 5. c5 { [%eval 0.16] [%clk 1:29:04] } 5... b6 { [%eval 0.32] [%clk 1:27:20] } 6. cxb6 { [%eval 0.2] [%clk 1:29:26] } 6... c5 { [%eval 0.28] [%clk 1:10:48] } 7. Bf4 { [%eval 0.13] [%clk 1:29:48] } 7... cxd4?? { [%eval 2.85] } { Blunder. Bd6 was best. } { [%clk 1:06:00] } 8. Bc7 { [%eval 2.17] [%clk 1:29:32] } 8... Qd7 { [%eval 1.99] [%clk 0:58:08] } 9. Ne5 { [%eval 2.1] [%clk 1:16:29] } 9... Qe7 { [%eval 2.05] [%clk 0:57:35] } 10. Qa4+ { [%eval 1.54] [%clk 1:08:17] } 10... Nfd7 { [%eval 1.49] [%clk 0:55:51] } 11. Nc6 { [%eval 1.21] [%clk 0:57:10] } 11... Qf6 { [%eval 1.1] [%clk 0:54:19] } 12. Nxb8?! { [%eval 0.21] } { Inaccuracy. Nxd4 was best. } { [%clk 0:48:30] } 12... dxc3 { [%eval 0.44] [%clk 0:50:15] } 13. O-O-O? { [%eval -0.99] } { Mistake. Nxd7 was best. } { [%clk 0:46:04] } 13... Qxf2?? { [%eval 1.52] } { Blunder. Rxb8 was best. } { [%clk 0:29:44] } 14. Qc6?? { [%eval -0.9] } { Blunder. Nxd7 was best. } { [%clk 0:39:09] } 14... Rxb8 { [%eval -0.76] [%clk 0:28:24] } 15. Bxb8 { [%eval -0.67] [%clk 0:38:37] } 15... Qxb6?? { [%eval 1.99] } { Blunder. Qc5 was best. } { [%clk 0:27:53] } 16. Qxc8+ { [%eval 1.72] [%clk 0:37:15] } 16... Ke7 { [%eval 1.64] [%clk 0:28:21] } 17. Qxc3 { [%eval 1.94] [%clk 0:36:30] } 17... Qxb8 { [%eval 1.83] [%clk 0:28:48] } 18. Kb1 { [%eval 1.74] [%clk 0:34:38] } 18... Nf6 { [%eval 1.89] [%clk 0:25:57] } 19. g3 { [%eval 1.45] [%clk 0:30:00] } 19... Ne4?! { [%eval 2.62] } { Inaccuracy. Kd7 was best. } { [%clk 0:24:27] } 20. Qd4 { [%eval 2.63] [%clk 0:28:09] } 20... f5 { [%eval 2.78] [%clk 0:20:21] } 21. Rc1?? { [%eval 0.08] } { Blunder. Bg2 was best. } { [%clk 0:22:01] } 21... Kf7 { [%eval 0.0] [%clk 0:20:05] } 22. Bg2 { [%eval 0.2] [%clk 0:21:00] } 22... Be7 { [%eval 0.2] [%clk 0:19:36] } 23. Bxe4 { [%eval 0.2] [%clk 0:20:08] } 23... Bf6 { [%eval 0.26] [%clk 0:17:54] } 24. Qd2 { [%eval 0.15] [%clk 0:20:23] } 24... fxe4?! { [%eval 0.96] } { Inaccuracy. dxe4 was best. } { [%clk 0:18:20] } 25. Rc2 { [%eval 0.59] [%clk 0:17:58] } 25... Qb6 { [%eval 0.71] [%clk 0:17:21] } 26. Qf4?! { [%eval 0.0] } { Inaccuracy. g4 was best. } { [%clk 0:16:06] } 26... Rb8 { [%eval 0.33] [%clk 0:17:10] } 27. Qc7+ { [%eval 0.35] [%clk 0:15:38] } 27... Kg6 { [%eval 0.27] [%clk 0:17:32] } 28. Qxb6 { [%eval 0.39] [%clk 0:15:02] } 28... Rxb6 { [%eval 0.41] [%clk 0:18:00] } 29. b3 { [%eval 0.4] [%clk 0:15:07] } 29... a5 { [%eval 0.36] [%clk 0:17:09] } 30. Rhc1 { [%eval 0.34] [%clk 0:15:21] } 30... a4 { [%eval 0.24] [%clk 0:16:28] } 31. Rc6 { [%eval 0.41] [%clk 0:14:38] } 31... Rb8 { [%eval 0.37] [%clk 0:15:23] } 32. Kc2 { [%eval 0.39] [%clk 0:14:23] } 32... axb3+ { [%eval 0.37] [%clk 0:15:39] } 33. axb3 { [%eval 0.52] [%clk 0:14:52] } 33... Kf5 { [%eval 0.48] [%clk 0:15:52] } 34. h3 { [%eval 0.28] [%clk 0:14:27] } 34... Ke5 { [%eval 0.28] [%clk 0:12:43] } 35. Rb1 { [%eval 0.39] [%clk 0:14:40] } 35... Be7 { [%eval 0.48] [%clk 0:11:26] } 36. Ra1 { [%eval 0.14] [%clk 0:14:31] } 36... Kd4?! { [%eval 0.93] } { Inaccuracy. Bf6 was best. } { [%clk 0:09:50] } 37. Rxe6 { [%eval 0.94] [%clk 0:13:46] } 37... Rc8+ { [%eval 0.55] [%clk 0:10:18] } 38. Kd1 { [%eval 0.9] [%clk 0:13:45] } 38... Bf6? { [%eval 2.54] } { Mistake. Rf8 was best. } { [%clk 0:09:59] } 39. b4? { [%eval 1.22] } { Mistake. Kd2 was best. } { [%clk 0:12:45] } 39... Kc4?? { [%eval 5.52] } { Blunder. Rc4 was best. } { [%clk 0:05:04] } 40. Rxf6 { [%eval 5.56] [%clk 0:12:13] } 1-0