Event: Round 10: Bugayev, Vladimir - Antonio, Rogelio Jr
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-10/WJ0RkIBs/x9W9tHvh
Date: 2025-10-31
White: Bugayev, Vladimir
WhiteElo: 2119
Black: Antonio, Rogelio Jr
BlackTitle: GM
BlackElo: 2358
Result: 1/2-1/2
ECO: B23
Opening: Sicilian Defense: Closed
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.24] [%clk 1:30:06] } 2. Nc3 { [%eval 0.26] [%clk 1:31:18] } 2... d6 { [%eval 0.16] [%clk 1:27:54] } 3. f4 { [%eval 0.0] [%clk 1:31:29] } 3... g6 { [%eval 0.0] [%clk 1:28:05] } 4. Nf3 { [%eval -0.01] [%clk 1:31:49] } 4... Bg7 { [%eval 0.0] [%clk 1:28:26] } 5. Bc4 { [%eval -0.08] [%clk 1:32:13] } 5... Nc6 { [%eval 0.0] [%clk 1:28:14] } 6. O-O { [%eval 0.0] [%clk 1:32:36] } 6... e6 { [%eval 0.02] [%clk 1:28:22] } 7. d4 { [%eval 0.0] [%clk 1:32:47] } 7... cxd4 { [%eval 0.0] [%clk 1:28:36] } 8. Nb5 { [%eval -0.12] [%clk 1:33:13] } 8... Nge7 { [%eval -0.09] [%clk 1:28:41] } 9. Bb3 { [%eval -0.11] [%clk 1:33:38] } 9... a6 { [%eval 0.03] [%clk 1:16:36] } 10. Nbxd4 { [%eval 0.03] [%clk 1:33:41] } 10... Na5 { [%eval 0.04] [%clk 1:16:57] } 11. Be3 { [%eval 0.07] [%clk 1:30:03] } 11... O-O { [%eval 0.12] [%clk 1:15:35] } 12. c3 { [%eval -0.1] [%clk 1:30:07] } 12... b5 { [%eval -0.04] [%clk 1:14:35] } 13. Qe1 { [%eval -0.12] [%clk 1:26:07] } 13... Bb7 { [%eval 0.36] [%clk 1:09:32] } 14. Bc2?! { [%eval -0.24] } { Inaccuracy. Bxe6 was best. } { [%clk 1:20:52] } 14... Nc4 { [%eval -0.23] [%clk 1:08:53] } 15. Bc1 { [%eval -0.41] [%clk 1:15:37] } 15... e5 { [%eval -0.42] [%clk 1:06:04] } 16. Ne2?! { [%eval -1.09] } { Inaccuracy. fxe5 was best. } { [%clk 1:13:37] } 16... exf4?! { [%eval -0.53] } { Inaccuracy. d5 was best. } { [%clk 1:01:00] } 17. Nxf4 { [%eval -0.59] [%clk 1:13:09] } 17... Nc6 { [%eval -0.37] [%clk 1:00:18] } 18. Nd5 { [%eval -0.6] [%clk 1:11:57] } 18... N6e5 { [%eval -0.72] [%clk 0:59:12] } 19. Nxe5 { [%eval -0.64] [%clk 1:00:27] } 19... Nxe5 { [%eval -0.38] [%clk 0:57:35] } 20. Qg3 { [%eval -0.93] [%clk 0:59:23] } 20... Bxd5 { [%eval -0.96] [%clk 0:57:33] } 21. exd5 { [%eval -0.82] [%clk 0:59:47] } 21... b4 { [%eval -0.9] [%clk 0:57:54] } 22. Be3 { [%eval -0.95] [%clk 0:57:50] } 22... bxc3 { [%eval -0.82] [%clk 0:46:12] } 23. bxc3 { [%eval -0.8] [%clk 0:57:14] } 23... Rb8 { [%eval -0.8] [%clk 0:44:15] } 24. Bd4 { [%eval -0.8] [%clk 0:55:12] } 24... Qd7 { [%eval -0.58] [%clk 0:43:40] } 25. h3 { [%eval -0.67] [%clk 0:53:53] } 25... Rb2 { [%eval -0.69] [%clk 0:42:11] } 26. Bb3 { [%eval -0.74] [%clk 0:51:29] } 26... a5 { [%eval -0.7] [%clk 0:42:05] } 27. Qf4?! { [%eval -1.46] } { Inaccuracy. Rf2 was best. } { [%clk 0:41:26] } 27... a4 { [%eval -1.56] [%clk 0:25:39] } 28. Bd1 { [%eval -1.67] [%clk 0:32:52] } 28... a3?! { [%eval -0.83] } { Inaccuracy. Re8 was best. } { [%clk 0:22:40] } 29. Kh1?! { [%eval -1.75] } { Inaccuracy. Bb3 was best. } { [%clk 0:29:54] } 29... Re8 { [%eval -1.64] [%clk 0:21:22] } 30. Qg3?! { [%eval -2.54] } { Inaccuracy. Qh4 was best. } { [%clk 0:27:48] } 30... Nc4 { [%eval -2.28] [%clk 0:20:25] } 31. Qf4?! { [%eval -3.45] } { Inaccuracy. Bg4 was best. } { [%clk 0:19:17] } 31... Nd2?? { [%eval 0.16] } { Blunder. Qf5 was best. } { [%clk 0:18:19] } 32. Ba4 { [%eval 0.46] [%clk 0:19:24] } 32... Qe7 { [%eval 0.0] [%clk 0:18:04] } 33. Bxe8 { [%eval 0.0] [%clk 0:19:43] } 33... Nxf1 { [%eval 0.24] [%clk 0:18:22] } 34. Bxg7 { [%eval 0.0] [%clk 0:15:00] } 34... Kxg7 { [%eval 0.0] [%clk 0:17:45] } 35. Rxf1 { [%eval -0.1] [%clk 0:15:12] } 35... Qxe8 { [%eval -0.01] [%clk 0:18:14] } 36. Qxd6 { [%eval -0.04] [%clk 0:15:13] } 36... Rxa2 { [%eval -0.06] [%clk 0:18:39] } 37. c4 { [%eval 0.0] [%clk 0:13:02] } 37... h5 { [%eval 0.0] [%clk 0:16:29] } 38. Qf6+ { [%eval 0.0] [%clk 0:11:53] } 38... Kg8 { [%eval 0.0] [%clk 0:16:28] } 39. Kh2 { [%eval 0.0] [%clk 0:08:42] } 39... Qd8?? { [%eval #5] } { Checkmate is now unavoidable. Rc2 was best. } { [%clk 0:16:26] } 1/2-1/2