Event: Round 1: Alan M Byron - Roy Thomas
Date: 2023-07-07
White: Alan M Byron
Black: Roy Thomas
Result: 1-0
ECO: B91
Opening: Sicilian Defense: Najdorf Variation, Zagreb Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:26:43] } 1... c5 { [%eval 0.32] [%clk 1:30:49] } 2. Nf3 { [%eval 0.0] [%clk 1:27:04] } 2... d6 { [%eval 0.0] [%clk 1:31:05] } 3. d4 { [%eval 0.25] [%clk 1:27:01] } 3... cxd4 { [%eval 0.13] [%clk 1:31:01] } 4. Nxd4 { [%eval 0.27] [%clk 1:27:09] } 4... Nf6 { [%eval 0.3] [%clk 1:31:18] } 5. Nc3 { [%eval 0.21] [%clk 1:27:36] } 5... a6 { [%eval 0.39] [%clk 1:31:30] } 6. g3 { [%eval 0.05] [%clk 1:27:52] } 6... e5 { [%eval 0.08] [%clk 1:29:20] } 7. Nb3 { [%eval 0.0] [%clk 1:24:15] } 7... Bg4?! { [%eval 0.67] } { Inaccuracy. h6 was best. } { [%clk 1:25:26] } 8. Qd3 { [%eval 0.17] [%clk 1:20:28] } 8... Be7 { [%eval 0.15] [%clk 1:21:42] } 9. Bg2 { [%eval 0.17] [%clk 1:20:33] } 9... Nc6 { [%eval 0.27] [%clk 1:19:36] } 10. a3 { [%eval 0.13] [%clk 1:19:55] } 10... Qc7 { [%eval 0.56] [%clk 1:17:51] } 11. Bg5 { [%eval 0.7] [%clk 1:13:01] } 11... Be6 { [%eval 0.54] [%clk 1:04:19] } 12. Rd1 { [%eval 0.38] [%clk 0:52:44] } 12... Rd8 { [%eval 0.51] [%clk 0:50:18] } 13. h4 { [%eval 0.53] [%clk 0:43:18] } 13... Nd7 { [%eval 0.69] [%clk 0:38:06] } 14. Bxe7 { [%eval 0.67] [%clk 0:37:39] } 14... Kxe7 { [%eval 0.64] [%clk 0:37:29] } 15. O-O { [%eval 0.39] [%clk 0:34:27] } 15... Nc5?? { [%eval 2.8] } { Blunder. Nf6 was best. } { [%clk 0:33:42] } 16. Nxc5 { [%eval 2.89] [%clk 0:27:22] } 16... dxc5 { [%eval 2.89] [%clk 0:33:51] } 17. Nd5+ { [%eval 2.69] [%clk 0:27:00] } 17... Bxd5 { [%eval 2.68] [%clk 0:33:51] } 18. exd5 { [%eval 2.82] [%clk 0:27:27] } 18... Nd4 { [%eval 2.82] [%clk 0:29:55] } 19. c3 { [%eval 2.46] [%clk 0:21:01] } 19... c4? { [%eval 4.34] } { Mistake. Nb5 was best. } { [%clk 0:25:53] } 20. Qe4 { [%eval 4.32] [%clk 0:20:30] } 20... Nb3?! { [%eval 6.71] } { Inaccuracy. Nb5 was best. } { [%clk 0:19:38] } 21. d6+ { [%eval 6.7] [%clk 0:18:14] } 21... Rxd6 { [%eval 6.61] [%clk 0:19:27] } 22. Qxe5+ { [%eval 6.63] [%clk 0:18:35] } 22... Kd7 { [%eval 6.75] [%clk 0:19:25] } 23. Qxg7 { [%eval 6.67] [%clk 0:13:24] } 23... Re8 { [%eval 6.62] [%clk 0:13:53] } 24. Qxf7+ { [%eval 6.61] [%clk 0:11:12] } 24... Re7 { [%eval 7.29] [%clk 0:14:08] } 25. Bh3+ { [%eval 7.43] [%clk 0:11:26] } 25... Kd8? { [%eval #4] } { Checkmate is now unavoidable. Kc6 was best. } { [%clk 0:14:18] } 26. Qf8+ { [%eval #3] [%clk 0:11:34] } 1-0