Event: Round 4: Oscar Eduardo Arzaluz Ugalde - Alan Saul Mendoza Mejia
Date: 2024-02-11
White: Oscar Eduardo Arzaluz Ugalde
Black: Alan Saul Mendoza Mejia
Result: 0-1
ECO: C70
Opening: Ruy Lopez: Morphy Defense, Graz Variation
Variant: Standard

1. e4 { [%eval 0.2] [%clk 0:58:01] } 1... e5 { [%eval 0.17] [%clk 0:59:02] } 2. Nf3 { [%eval 0.21] [%clk 0:57:50] } 2... Nc6 { [%eval 0.13] [%clk 0:58:51] } 3. Bb5 { [%eval 0.34] [%clk 0:55:47] } 3... a6 { [%eval 0.38] [%clk 0:58:33] } 4. Ba4 { [%eval 0.31] [%clk 0:55:40] } 4... b5 { [%eval 0.42] [%clk 0:57:56] } 5. Bb3 { [%eval 0.24] [%clk 0:55:33] } 5... Bc5?! { [%eval 0.92] } { Inaccuracy. Nf6 was best. } { [%clk 0:57:27] } 6. c3 { [%eval 0.69] [%clk 0:55:00] } 6... Nf6? { [%eval 1.89] } { Mistake. Bb6 was best. } { [%clk 0:57:11] } 7. Bc2?? { [%eval -0.39] } { Blunder. d4 was best. } { [%clk 0:54:05] } 7... O-O?! { [%eval 0.45] } { Inaccuracy. d5 was best. } { [%clk 0:56:42] } 8. h3? { [%eval -1.01] } { Mistake. d4 was best. } { [%clk 0:53:46] } 8... Bb7?! { [%eval -0.1] } { Inaccuracy. d5 was best. } { [%clk 0:55:25] } 9. d4 { [%eval -0.14] [%clk 0:52:41] } 9... exd4 { [%eval -0.28] [%clk 0:54:49] } 10. Nxd4? { [%eval -1.6] } { Mistake. cxd4 was best. } { [%clk 0:51:27] } 10... Re8 { [%eval -1.54] [%clk 0:54:04] } 11. Bg5?? { [%eval -4.8] } { Blunder. O-O was best. } { [%clk 0:49:57] } 11... d5?? { [%eval -1.4] } { Blunder. Nxe4 was best. } { [%clk 0:51:39] } 12. f3?? { [%eval -5.4] } { Blunder. O-O was best. } { [%clk 0:46:08] } 12... b4?! { [%eval -3.57] } { Inaccuracy. Nxd4 was best. } { [%clk 0:49:20] } 13. Nb3?! { [%eval -4.8] } { Inaccuracy. Nf5 was best. } { [%clk 0:43:44] } 13... Bb6 { [%eval -4.66] [%clk 0:48:40] } 14. N1d2 { [%eval -5.26] [%clk 0:43:04] } 14... Qd6 { [%eval -4.6] [%clk 0:45:59] } 15. Bh4 { [%eval -4.98] [%clk 0:38:20] } 15... bxc3 { [%eval -4.93] [%clk 0:43:02] } 16. bxc3 { [%eval -4.73] [%clk 0:37:47] } 16... Qe5? { [%eval -2.63] } { Mistake. Qf4 was best. } { [%clk 0:39:41] } 17. Bxf6?? { [%eval #-3] } { Checkmate is now unavoidable. Bf2 was best. } { [%clk 0:35:16] } 17... Qxf6?? { [%eval -5.39] } { Lost forced checkmate sequence. Qg3+ was best. } { [%clk 0:39:29] } 18. Kf1 { [%eval -5.86] [%clk 0:32:25] } 18... Rad8 { [%eval -5.59] [%clk 0:34:44] } 19. Qe2 { [%eval -6.06] [%clk 0:27:22] } 19... Qxc3 { [%eval -5.2] [%clk 0:32:37] } 20. Bd3?! { [%eval -7.1] } { Inaccuracy. Qd3 was best. } { [%clk 0:25:53] } 20... Nb4 { [%eval -7.31] [%clk 0:31:18] } 21. Bb1 { [%eval -9.97] [%clk 0:25:09] } 21... a5 { [%eval -9.57] [%clk 0:30:27] } 22. a4 { [%eval -17.62] [%clk 0:24:34] } 22... Ba6 { [%eval -14.99] [%clk 0:30:09] } 23. Qxa6 { [%eval -23.7] [%clk 0:22:12] } 23... Nxa6 { [%eval -18.49] [%clk 0:29:58] } 24. g4?! { [%eval #-11] } { Checkmate is now unavoidable. Ra3 was best. } { [%clk 0:20:57] } 24... Nc5?! { [%eval -13.14] } { Lost forced checkmate sequence. Qe3 was best. } { [%clk 0:29:32] } 25. Kg2 { [%eval -16.19] [%clk 0:19:52] } 25... Nxb3 { [%eval -14.35] [%clk 0:29:19] } 26. Nxb3?? { [%eval #-6] } { Checkmate is now unavoidable. Rf1 was best. } { [%clk 0:19:46] } 26... Qxb3?! { [%eval -10.7] } { Lost forced checkmate sequence. Qb2+ was best. } { [%clk 0:29:07] } 27. exd5?! { [%eval #-4] } { Checkmate is now unavoidable. Kg3 was best. } { [%clk 0:19:37] } 27... Re2+ { [%eval #-3] [%clk 0:28:38] } 28. Kg3 { [%eval #-3] [%clk 0:19:19] } 28... Bf2+ { [%eval #-2] [%clk 0:28:15] } 29. Kf4 { [%eval #-2] [%clk 0:18:54] } 29... Qe3+ { [%eval #-1] [%clk 0:27:50] } 30. Kf5 { [%eval #-1] [%clk 0:18:23] } 30... Qe5# { [%clk 0:27:37] } 0-1