Event: Las Vegas National Open 2023
Date: 2023-06-17
White: Ming Lu
WhiteTitle: IM
Black: Melikset Khachiyan
BlackTitle: GM
Result: 1/2-1/2
ECO: B39
Opening: Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation
Variant: Standard
TimeControl: G/90 +30 sec inc

1. c4 { [%eval 0.23] [%clk 1:25:11] } 1... g6 { [%eval 0.44] [%clk 1:30:22] } 2. e4 { [%eval 0.2] [%clk 1:25:33] } 2... c5 { [%eval 0.61] [%clk 1:29:26] } 3. Nf3 { [%eval 0.55] [%clk 1:24:42] } 3... Bg7 { [%eval 0.56] [%clk 1:29:50] } 4. d4 { [%eval 0.56] [%clk 1:25:03] } 4... cxd4 { [%eval 0.64] [%clk 1:29:24] } 5. Nxd4 { [%eval 0.5] [%clk 1:25:22] } 5... Nc6 { [%eval 0.68] [%clk 1:28:15] } 6. Be3 { [%eval 0.49] [%clk 1:25:43] } 6... Nf6 { [%eval 0.8] [%clk 1:28:40] } 7. Nc3 { [%eval 0.67] [%clk 1:26:03] } 7... Ng4 { [%eval 0.94] [%clk 1:28:29] } 8. Qxg4 { [%eval 0.76] [%clk 1:25:40] } 8... Nxd4 { [%eval 0.78] [%clk 1:28:55] } 9. Qd1 { [%eval 0.81] [%clk 1:25:10] } 9... Ne6 { [%eval 0.81] [%clk 1:29:19] } 10. Qd2 { [%eval 0.79] [%clk 1:21:07] } 10... Qa5 { [%eval 0.71] [%clk 1:29:43] } 11. Be2?! { [%eval 0.09] } { Inaccuracy. Rc1 was best. } { [%clk 1:15:30] } 11... b6 { [%eval 0.57] [%clk 1:27:26] } 12. O-O?! { [%eval -0.17] } { Inaccuracy. Rc1 was best. } { [%clk 1:12:13] } 12... Bb7?! { [%eval 0.63] } { Inaccuracy. Bxc3 was best. } { [%clk 1:27:46] } 13. Rfd1 { [%eval 0.65] [%clk 1:06:40] } 13... d6 { [%eval 0.7] [%clk 1:28:06] } 14. Nd5 { [%eval 0.47] [%clk 1:06:47] } 14... Qxd2 { [%eval 0.39] [%clk 1:28:30] } 15. Rxd2 { [%eval 0.35] [%clk 1:07:07] } 15... Rc8 { [%eval 0.26] [%clk 1:28:39] } 16. f3 { [%eval 0.48] [%clk 1:04:46] } 16... Nc5 { [%eval 0.49] [%clk 1:24:08] } 17. Rc1 { [%eval 0.32] [%clk 1:02:30] } 17... h5 { [%eval 0.5] [%clk 1:11:40] } 18. b4 { [%eval 0.5] [%clk 0:49:15] } 18... Nd7 { [%eval 0.49] [%clk 1:11:53] } 19. Rdc2 { [%eval 0.31] [%clk 0:31:52] } 19... Bh6 { [%eval 0.26] [%clk 1:07:39] } 20. f4 { [%eval 0.36] [%clk 0:30:16] } 20... e6 { [%eval 0.48] [%clk 1:05:55] } 21. Nc3 { [%eval 0.48] [%clk 0:30:22] } 21... Ke7 { [%eval 0.4] [%clk 0:56:19] } 22. Rd1 { [%eval 0.34] [%clk 0:29:44] } 22... Nf6 { [%eval 0.54] [%clk 0:49:46] } 23. Nb5 { [%eval 0.57] [%clk 0:29:06] } 23... Bxe4 { [%eval 0.78] [%clk 0:48:25] } 24. Rcc1?! { [%eval -0.12] } { Inaccuracy. Rc3 was best. } { [%clk 0:24:41] } 24... Rhd8 { [%eval -0.13] [%clk 0:44:37] } 25. Nxa7 { [%eval -0.23] [%clk 0:25:01] } 25... Ra8 { [%eval -0.26] [%clk 0:45:06] } 26. Bxb6 { [%eval -0.74] [%clk 0:24:54] } 26... Bxf4 { [%eval -0.64] [%clk 0:42:00] } 27. Rc3 { [%eval -0.99] [%clk 0:08:22] } 27... Rd7 { [%eval -0.91] [%clk 0:26:09] } 28. Ra3 { [%eval -1.07] [%clk 0:08:51] } 28... Rb7 { [%eval -1.08] [%clk 0:22:22] } 29. c5 { [%eval -1.08] [%clk 0:09:19] } 29... Nd7 { [%eval -1.26] [%clk 0:22:50] } 30. g3?! { [%eval -2.26] } { Inaccuracy. Rf1 was best. } { [%clk 0:02:22] } 30... Be5? { [%eval -0.7] } { Mistake. dxc5 was best. } { [%clk 0:20:59] } 31. Ra6? { [%eval -2.12] } { Mistake. cxd6+ was best. } { [%clk 0:02:18] } 31... dxc5 { [%eval -2.08] [%clk 0:13:29] } 32. bxc5 { [%eval -2.16] [%clk 0:02:46] } 32... Nxb6? { [%eval -0.71] } { Mistake. Bc7 was best. } { [%clk 0:13:47] } 33. cxb6 { [%eval -0.58] [%clk 0:03:05] } 33... Rxb6 { [%eval -0.28] [%clk 0:14:11] } 34. Rxb6 { [%eval -0.27] [%clk 0:02:29] } 34... Rxa7 { [%eval -0.3] [%clk 0:14:36] } 35. Ra6 { [%eval -0.39] [%clk 0:02:22] } 35... Rb7 { [%eval -0.15] [%clk 0:14:18] } 36. a4 { [%eval -0.1] [%clk 0:02:44] } 36... Rb2 { [%eval -0.16] [%clk 0:14:26] } 37. Kf1 { [%eval -0.13] [%clk 0:02:28] } 37... Bd5 { [%eval 0.0] [%clk 0:10:34] } 38. Rb6?? { [%eval -5.22] } { Blunder. Ra7+ was best. } { [%clk 0:00:00] } 1/2-1/2