Event: Las Vegas National Open 2023
Date: 2023-06-18
White: Nathan Webster
Black: John Kitapszyan
Result: 0-1
ECO: B00
Opening: Owen Defense
Variant: Standard
TimeControl: G/90 +30 sec inc

1. e4 { [%eval 0.36] [%clk 1:30:56] } 1... b6?! { [%eval 0.95] } { Inaccuracy. e5 was best. } { [%clk 1:30:58] } 2. Nc3 { [%eval 0.81] [%clk 1:27:01] } 2... Bb7 { [%eval 0.75] [%clk 1:31:23] } 3. Bc4?! { [%eval 0.0] } { Inaccuracy. d4 was best. } { [%clk 1:26:54] } 3... e6 { [%eval 0.24] [%clk 1:31:17] } 4. d3 { [%eval 0.0] [%clk 1:26:41] } 4... d5 { [%eval 0.1] [%clk 1:30:16] } 5. Bb5+?! { [%eval -0.76] } { Inaccuracy. exd5 was best. } { [%clk 1:23:35] } 5... c6 { [%eval -0.59] [%clk 1:29:45] } 6. Ba4 { [%eval -1.02] [%clk 1:23:52] } 6... b5 { [%eval -0.6] [%clk 1:26:06] } 7. Bb3 { [%eval -0.7] [%clk 1:23:54] } 7... Bb4?! { [%eval -0.04] } { Inaccuracy. b4 was best. } { [%clk 1:23:52] } 8. Bd2 { [%eval -0.08] [%clk 1:21:45] } 8... Nf6?! { [%eval 0.68] } { Inaccuracy. Be7 was best. } { [%clk 1:23:03] } 9. e5 { [%eval 0.65] [%clk 1:20:12] } 9... Nfd7 { [%eval 0.59] [%clk 1:23:23] } 10. d4?! { [%eval -0.19] } { Inaccuracy. Qg4 was best. } { [%clk 1:20:00] } 10... Bxc3 { [%eval 0.09] [%clk 1:17:50] } 11. Bxc3 { [%eval -0.37] [%clk 1:19:00] } 11... c5 { [%eval -0.37] [%clk 1:18:10] } 12. dxc5?? { [%eval -2.3] } { Blunder. Qg4 was best. } { [%clk 1:18:29] } 12... d4 { [%eval -2.19] [%clk 1:16:40] } 13. Bxd4 { [%eval -2.56] [%clk 1:14:35] } 13... Bxg2 { [%eval -2.61] [%clk 1:16:32] } 14. Qg4 { [%eval -2.44] [%clk 1:11:25] } 14... Bxh1 { [%eval -2.47] [%clk 1:16:41] } 15. Qxg7?! { [%eval -3.39] } { Inaccuracy. O-O-O was best. } { [%clk 1:09:43] } 15... Rf8 { [%eval -3.38] [%clk 1:16:28] } 16. O-O-O { [%eval -3.5] [%clk 1:08:20] } 16... Nc6 { [%eval -3.65] [%clk 1:15:36] } 17. Nh3 { [%eval -4.42] [%clk 1:06:42] } 17... Qh4 { [%eval -4.55] [%clk 1:09:42] } 18. Nf4 { [%eval -4.99] [%clk 0:40:40] } 18... Qxf4+ { [%eval -5.11] [%clk 1:08:57] } 19. Be3 { [%eval -5.28] [%clk 0:40:04] } 19... Qxe5 { [%eval -5.16] [%clk 1:08:19] } 20. Qxh7 { [%eval -5.81] } 20... Be4 { [%eval -5.6] } 21. Qh3 { [%eval -5.93] [%clk 0:32:11] } 21... O-O-O { [%eval -5.82] [%clk 1:07:12] } 22. Qf1 { [%eval -6.96] [%clk 0:30:21] } 22... Nxc5 { [%eval -6.79] [%clk 1:06:13] } 23. Re1?! { [%eval -11.01] } { Inaccuracy. f4 was best. } { [%clk 0:24:10] } 23... Nxb3+ { [%eval -11.15] [%clk 1:06:02] } 24. axb3 { [%eval -11.14] [%clk 0:24:21] } 24... Qf5 { [%eval -7.9] [%clk 1:05:58] } 25. Bc5 { [%eval -7.74] [%clk 0:18:30] } 25... Qxc5 { [%eval -7.98] [%clk 1:05:44] } 26. Rxe4 { [%eval -7.82] [%clk 0:18:34] } 26... Rd4 { [%eval -6.59] [%clk 1:05:39] } 27. Re3 { [%eval -9.08] [%clk 0:18:42] } 27... Rfd8 { [%eval -8.55] [%clk 1:03:07] } 28. Re1? { [%eval #-6] } { Checkmate is now unavoidable. Rc3 was best. } { [%clk 0:17:40] } 28... Rd2 { [%eval #-5] [%clk 1:30:30] } 0-1