Event: Las Vegas National Open 2023
Date: 2023-06-17
White: Ezra Chambers
WhiteTitle: FM
Black: Alexander Katz
BlackTitle: IM
Result: 1-0
ECO: C77
Opening: Ruy Lopez: Morphy Defense, Anderssen Variation
Variant: Standard
TimeControl: G/90 +30 sec inc

1. e4 { [%eval 0.36] [%clk 1:30:58] } 1... e5 { [%eval 0.35] [%clk 1:25:17] } 2. Nf3 { [%eval 0.29] [%clk 1:31:16] } 2... Nc6 { [%eval 0.32] [%clk 1:25:41] } 3. Bb5 { [%eval 0.34] [%clk 1:31:39] } 3... a6 { [%eval 0.37] [%clk 1:25:31] } 4. Ba4 { [%eval 0.31] [%clk 1:31:59] } 4... Nf6 { [%eval 0.37] [%clk 1:25:32] } 5. d3 { [%eval 0.13] [%clk 1:32:00] } 5... b5 { [%eval 0.21] [%clk 1:25:17] } 6. Bb3 { [%eval 0.13] [%clk 1:32:20] } 6... Bc5 { [%eval 0.13] [%clk 1:25:41] } 7. Nc3 { [%eval 0.05] [%clk 1:28:42] } 7... d6 { [%eval 0.0] [%clk 1:24:59] } 8. Nd5 { [%eval 0.18] [%clk 1:27:17] } 8... h6 { [%eval 0.09] [%clk 1:23:06] } 9. c3 { [%eval 0.13] [%clk 1:24:50] } 9... Rb8 { [%eval 0.14] [%clk 1:21:23] } 10. h3 { [%eval -0.08] [%clk 1:24:06] } 10... O-O { [%eval 0.3] [%clk 1:19:02] } 11. Nxf6+ { [%eval 0.3] [%clk 1:18:52] } 11... Qxf6 { [%eval 0.43] [%clk 1:19:16] } 12. g4 { [%eval 0.5] [%clk 1:18:57] } 12... Be6 { [%eval 0.46] [%clk 0:52:14] } 13. g5 { [%eval 0.49] [%clk 0:57:45] } 13... hxg5 { [%eval 0.37] [%clk 0:52:08] } 14. Bxg5 { [%eval 0.42] [%clk 0:57:09] } 14... Qg6 { [%eval 0.44] [%clk 0:50:46] } 15. Rg1 { [%eval 0.52] [%clk 0:56:10] } 15... Bxb3 { [%eval 0.5] [%clk 0:43:50] } 16. axb3 { [%eval 0.48] [%clk 0:55:41] } 16... Qe6?? { [%eval 2.24] } { Blunder. f6 was best. } { [%clk 0:42:34] } 17. Nh4 { [%eval 1.79] [%clk 0:41:33] } 17... b4 { [%eval 1.2] [%clk 0:26:15] } 18. Qh5 { [%eval 1.74] [%clk 0:18:09] } 18... bxc3 { [%eval 1.93] [%clk 0:26:23] } 19. bxc3 { [%eval 2.38] [%clk 0:17:20] } 19... g6? { [%eval 4.16] } { Mistake. f5 was best. } { [%clk 0:12:04] } 20. Qh6 { [%eval 3.95] [%clk 0:13:20] } 20... f5?! { [%eval 5.97] } { Inaccuracy. Ne7 was best. } { [%clk 0:03:30] } 21. Be3 { [%eval 5.62] [%clk 0:11:04] } 21... Kf7 { [%eval 6.7] [%clk 0:02:13] } 22. Rxg6 { [%eval 6.79] [%clk 0:09:18] } 22... Qxb3 { [%eval 7.41] [%clk 0:02:36] } 23. Rf6+ { [%eval 7.69] [%clk 0:09:13] } 23... Ke7 { [%eval 8.8] [%clk 0:02:55] } 24. Nxf5+?! { [%eval 5.93] } { Inaccuracy. Qg7+ was best. } { [%clk 0:09:30] } 24... Kd7 { [%eval 5.85] [%clk 0:03:19] } 25. Qg7+ { [%eval 5.97] [%clk 0:09:41] } 25... Ne7 { [%eval 6.11] [%clk 0:03:43] } 26. Qxe7+ { [%eval 6.27] [%clk 0:09:20] } 26... Kc6 { [%eval 6.03] [%clk 0:04:08] } 27. Rxa6+ { [%eval 6.21] [%clk 0:07:08] } 27... Kb5 { [%eval 6.12] [%clk 0:03:46] } 28. Rxf8 { [%eval 6.42] [%clk 0:07:01] } 28... Qxc3+ { [%eval 7.17] [%clk 0:03:11] } 29. Bd2 { [%eval 9.48] [%clk 0:06:21] } 29... Qxd3? { [%eval #11] } { Checkmate is now unavoidable. Bxf2+ was best. } { [%clk 0:03:33] } 30. Ra5+ { [%eval #10] [%clk 0:06:12] } 30... Kc6 { [%eval #11] [%clk 0:03:57] } 31. Rxc5+ { [%eval #10] [%clk 0:06:27] } 1-0