Event: Las Vegas National Open 2023
Date: 2023-06-16
White: Viktor Matviishen
WhiteTitle: GM
Black: Lucas Jiang
Result: 1-0
ECO: D85
Opening: Grünfeld Defense: Exchange Variation
Variant: Standard
TimeControl: G/90 +30 sec inc

1. d4 { [%eval 0.0] [%clk 1:22:31] } 1... Nf6 { [%eval 0.28] [%clk 1:30:54] } 2. c4 { [%eval 0.16] [%clk 1:22:57] } 2... g6 { [%eval 0.3] [%clk 1:31:19] } 3. Nc3 { [%eval 0.31] [%clk 1:23:24] } 3... d5 { [%eval 0.2] [%clk 1:31:42] } 4. cxd5 { [%eval 0.4] [%clk 1:23:50] } 4... Nxd5 { [%eval 0.22] [%clk 1:32:07] } 5. Bd2 { [%eval 0.21] [%clk 1:24:17] } 5... Bg7 { [%eval 0.09] [%clk 1:31:56] } 6. e4 { [%eval 0.0] [%clk 1:24:42] } 6... Nb6 { [%eval 0.34] [%clk 1:31:27] } 7. Be3 { [%eval 0.29] [%clk 1:25:06] } 7... O-O { [%eval 0.35] [%clk 1:30:50] } 8. a4 { [%eval 0.42] [%clk 1:25:32] } 8... a5 { [%eval 0.45] [%clk 1:28:44] } 9. h3 { [%eval 0.31] [%clk 1:25:54] } 9... c6 { [%eval 0.63] [%clk 1:27:24] } 10. Nf3 { [%eval 0.61] [%clk 1:25:33] } 10... Na6 { [%eval 0.56] [%clk 1:25:47] } 11. Be2 { [%eval 0.77] [%clk 1:25:01] } 11... Be6 { [%eval 0.58] [%clk 1:23:47] } 12. O-O { [%eval 0.69] [%clk 1:22:49] } 12... Nb4 { [%eval 0.73] [%clk 1:21:37] } 13. Ng5 { [%eval 0.61] [%clk 1:21:26] } 13... Bc4 { [%eval 0.7] [%clk 1:18:05] } 14. Rc1 { [%eval 0.68] [%clk 1:21:35] } 14... h6 { [%eval 0.52] [%clk 1:13:43] } 15. Nf3 { [%eval 0.54] [%clk 1:21:57] } 15... Rc8 { [%eval 0.82] [%clk 1:12:09] } 16. b3 { [%eval 0.81] [%clk 1:12:09] } 16... Bxe2 { [%eval 0.86] [%clk 1:10:58] } 17. Qxe2 { [%eval 0.8] [%clk 1:12:34] } 17... e6 { [%eval 0.76] [%clk 1:09:33] } 18. Rfd1 { [%eval 0.7] [%clk 1:06:37] } 18... Nd7 { [%eval 1.12] [%clk 1:04:17] } 19. e5 { [%eval 1.2] [%clk 0:59:41] } 19... Nb6 { [%eval 1.17] [%clk 0:56:05] } 20. Ne4 { [%eval 1.22] [%clk 1:00:01] } 20... N6d5 { [%eval 1.27] [%clk 0:53:57] } 21. Bd2 { [%eval 1.16] [%clk 1:00:17] } 21... Qe7 { [%eval 1.34] [%clk 0:50:13] } 22. Nh2 { [%eval 1.28] [%clk 0:58:48] } 22... f5?! { [%eval 1.95] } { Inaccuracy. Rfd8 was best. } { [%clk 0:35:41] } 23. exf6 { [%eval 2.06] [%clk 0:59:01] } 23... Nxf6 { [%eval 1.79] [%clk 0:35:57] } 24. Nxf6+ { [%eval 1.81] [%clk 0:59:09] } 24... Qxf6 { [%eval 1.94] [%clk 0:34:17] } 25. Ng4 { [%eval 1.77] [%clk 0:59:18] } 25... Qe7?! { [%eval 2.99] } { Inaccuracy. Qh4 was best. } { [%clk 0:30:55] } 26. Bxh6 { [%eval 3.08] [%clk 0:59:20] } 26... Nd5 { [%eval 2.96] [%clk 0:28:47] } 27. Bxg7 { [%eval 3.18] [%clk 0:59:39] } 27... Kxg7 { [%eval 3.01] [%clk 0:29:02] } 28. Re1 { [%eval 2.99] [%clk 0:58:59] } 28... Rce8 { [%eval 3.16] [%clk 0:28:39] } 29. Qd2 { [%eval 3.44] [%clk 0:58:59] } 29... Nf4 { [%eval 3.74] [%clk 0:28:15] } 30. Rc5 { [%eval 3.54] [%clk 0:58:15] } 1-0