Event: Las Vegas National Open 2023
Date: 2023-06-16
White: Alexander Katz
WhiteTitle: IM
Black: Jayden Wu
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, English Attack
Variant: Standard
TimeControl: G/90 +30 sec inc

1. e4 { [%eval 0.36] [%clk 1:18:12] } 1... c5 { [%eval 0.32] [%clk 1:30:51] } 2. Nf3 { [%eval 0.0] [%clk 1:18:34] } 2... d6 { [%eval 0.0] } 3. d4 { [%eval 0.25] [%clk 1:18:58] } 3... cxd4 { [%eval 0.13] [%clk 1:31:27] } 4. Nxd4 { [%eval 0.27] [%clk 1:19:25] } 4... Nf6 { [%eval 0.3] [%clk 1:31:38] } 5. Nc3 { [%eval 0.21] [%clk 1:19:51] } 5... a6 { [%eval 0.39] [%clk 1:32:00] } 6. Be3 { [%eval 0.12] [%clk 1:20:16] } 6... e5 { [%eval 0.31] [%clk 1:32:05] } 7. Nb3 { [%eval 0.25] [%clk 1:20:41] } 7... Be6 { [%eval 0.11] [%clk 1:32:25] } 8. f3 { [%eval 0.43] [%clk 1:21:03] } 8... Nbd7 { [%eval 0.38] [%clk 1:32:32] } 9. Qd2 { [%eval 0.37] [%clk 1:21:03] } 9... h5 { [%eval 0.27] [%clk 1:32:37] } 10. Nd5 { [%eval 0.34] [%clk 1:21:22] } 10... Bxd5 { [%eval 0.39] [%clk 1:32:27] } 11. exd5 { [%eval 0.49] [%clk 1:21:47] } 11... g6 { [%eval 0.37] [%clk 1:32:50] } 12. O-O-O { [%eval 0.26] [%clk 1:21:58] } 12... b6 { [%eval 0.75] [%clk 1:32:34] } 13. Be2 { [%eval 0.77] [%clk 1:18:41] } 13... Bg7 { [%eval 0.85] [%clk 1:24:16] } 14. Kb1 { [%eval 0.73] [%clk 1:17:32] } 14... Qc7 { [%eval 0.67] [%clk 1:20:12] } 15. g4 { [%eval 0.7] [%clk 1:11:18] } 15... Nc5 { [%eval 0.92] [%clk 1:13:40] } 16. h3 { [%eval 0.87] [%clk 0:56:09] } 16... O-O { [%eval 0.84] [%clk 1:05:05] } 17. Bg5 { [%eval 1.03] [%clk 0:49:32] } 17... Ncd7 { [%eval 0.97] [%clk 0:59:06] } 18. Qe1 { [%eval 0.47] [%clk 0:43:33] } 18... Rfc8 { [%eval 0.43] [%clk 0:53:10] } 19. Bd3 { [%eval 0.24] [%clk 0:43:30] } 19... Re8? { [%eval 1.41] } { Mistake. b5 was best. } { [%clk 0:45:35] } 20. Nd2 { [%eval 1.28] [%clk 0:41:09] } 20... b5 { [%eval 1.46] [%clk 0:40:59] } 21. Qh4 { [%eval 1.63] [%clk 0:37:54] } 21... hxg4?! { [%eval 2.89] } { Inaccuracy. Rac8 was best. } { [%clk 0:24:13] } 22. hxg4 { [%eval 2.57] [%clk 0:37:02] } 22... Nxd5? { [%eval 4.54] } { Mistake. Kf8 was best. } { [%clk 0:16:25] } 23. Be4 { [%eval 4.34] [%clk 0:32:27] } 23... Nb4 { [%eval 5.1] [%clk 0:15:35] } 24. c3 { [%eval 5.09] [%clk 0:29:22] } 24... Nc6 { [%eval 5.9] [%clk 0:13:37] } 25. Bd5 { [%eval 7.08] [%clk 0:28:48] } 25... Nb6? { [%eval #3] } { Checkmate is now unavoidable. Kf8 was best. } { [%clk 0:10:09] } 26. Qh7+?? { [%eval 5.29] } { Lost forced checkmate sequence. Bf6 was best. } { [%clk 0:23:52] } 26... Kf8 { [%eval 4.94] [%clk 0:10:31] } 27. Qxg7+ { [%eval #6] [%clk 0:23:29] } 27... Kxg7 { [%eval #6] [%clk 0:10:40] } 28. Rh7+ { [%eval #5] [%clk 0:23:52] } 28... Kf8 { [%eval 5.9] [%clk 0:09:31] } 29. Bf6 { [%eval #4] [%clk 0:24:01] } 29... Ne7 { [%eval #4] [%clk 0:09:15] } 30. Rh8+ { [%eval #3] [%clk 0:24:10] } 1-0