Event: Campeonato Nacional Senior 2025
Site: Comité Olímpico Nacional, Coronado, Costa Rica
White: Villegas Villalobos, Oscar
WhiteElo: 1459
Black: Mena Vilchez, Ulises
BlackElo: 1718
Result: 0-1
ECO: D00
Opening: Queen's Pawn Game: Accelerated London System
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... d5 { [%eval 0.2] [%clk 1:14:31] } 2. Bf4 { [%eval 0.0] [%clk 1:31:19] } 2... Bf5 { [%eval 0.25] [%clk 1:14:16] } 3. Nf3 { [%eval 0.07] [%clk 1:31:28] } 3... e6 { [%eval 0.1] [%clk 1:14:14] } 4. a3 { [%eval 0.01] [%clk 1:31:07] } 4... c5 { [%eval 0.03] [%clk 1:13:22] } 5. e3 { [%eval 0.0] [%clk 1:29:42] } 5... a6 { [%eval 0.23] [%clk 1:10:44] } 6. Nc3 { [%eval -0.23] [%clk 1:26:43] } 6... c4?! { [%eval 0.42] } { Inaccuracy. Nc6 was best. } { [%clk 1:09:46] } 7. Nh4?? { [%eval -3.51] } { Blunder. Ne5 was best. } { [%clk 1:23:59] } 7... Qxh4 { [%eval -3.68] [%clk 1:09:24] } 8. Qe2 { [%eval -3.67] [%clk 1:24:02] } 8... Nd7 { [%eval -3.44] [%clk 1:04:38] } 9. g3 { [%eval -3.68] [%clk 1:23:33] } 9... Qd8 { [%eval -3.75] [%clk 1:05:00] } 10. e4 { [%eval -3.75] [%clk 1:23:27] } 10... dxe4 { [%eval -3.56] [%clk 1:00:20] } 11. Nxe4 { [%eval -4.22] [%clk 1:23:34] } 11... Bxe4 { [%eval -3.73] [%clk 0:59:35] } 12. Qxe4 { [%eval -3.76] [%clk 1:23:32] } 12... Qa5+ { [%eval -3.41] [%clk 0:58:26] } 13. c3 { [%eval -3.53] [%clk 1:20:35] } 13... Qd5 { [%eval -3.43] [%clk 0:58:37] } 14. Bg2 { [%eval -3.98] [%clk 1:19:28] } 14... Ngf6 { [%eval -4.06] [%clk 0:58:31] } 15. Qxd5 { [%eval -3.96] [%clk 1:17:56] } 15... Nxd5 { [%eval -4.02] [%clk 0:57:27] } 16. Bd2 { [%eval -4.12] [%clk 1:16:59] } 16... Bd6 { [%eval -4.01] [%clk 0:57:04] } 17. O-O { [%eval -4.33] [%clk 1:16:49] } 17... O-O { [%eval -4.01] [%clk 0:56:38] } 18. Rfe1 { [%eval -4.39] [%clk 1:16:49] } 18... Rac8 { [%eval -4.33] [%clk 0:54:56] } 19. a4 { [%eval -4.33] [%clk 1:12:36] } 19... b6 { [%eval -4.34] [%clk 0:54:02] } 20. Rab1 { [%eval -4.42] [%clk 1:12:11] } 20... b5 { [%eval -4.35] [%clk 0:47:13] } 21. a5 { [%eval -4.58] [%clk 0:57:23] } 21... Nb8 { [%eval -4.14] [%clk 0:44:50] } 22. b4 { [%eval -4.58] [%clk 0:52:46] } 22... cxb3 { [%eval -4.63] [%clk 0:44:49] } 23. Rxb3 { [%eval -4.76] [%clk 0:53:02] } 23... Nc6 { [%eval -4.62] [%clk 0:42:03] } 24. Ra1 { [%eval -4.64] [%clk 0:51:49] } 24... Bc7 { [%eval -4.67] [%clk 0:39:01] } 25. c4 { [%eval -5.14] [%clk 0:48:35] } 25... bxc4 { [%eval -5.26] [%clk 0:36:33] } 26. Rbb1 { [%eval -5.56] [%clk 0:47:55] } 26... Nxd4 { [%eval -5.47] [%clk 0:36:35] } 27. Ra4 { [%eval -5.94] [%clk 0:45:21] } 27... Be5 { [%eval -5.55] [%clk 0:31:40] } 28. f4 { [%eval -5.92] [%clk 0:43:43] } 28... Bf6 { [%eval -5.89] [%clk 0:31:56] } 29. Rb7 { [%eval -6.35] [%clk 0:43:30] } 29... c3 { [%eval -6.24] [%clk 0:31:39] } 30. Bc1 { [%eval -7.48] [%clk 0:41:31] } 30... Ne2+ { [%eval -7.34] [%clk 0:31:38] } 31. Kf1 { [%eval -7.64] [%clk 0:41:22] } 31... Nxc1 { [%eval -7.62] [%clk 0:32:02] } 32. Ra1 { [%eval -7.77] [%clk 0:41:25] } 32... Nd3 { [%eval -7.5] [%clk 0:30:40] } 33. Ke2 { [%eval -9.76] [%clk 0:41:11] } 33... c2 { [%eval -9.4] [%clk 0:29:30] } 34. Kxd3? { [%eval #-7] } { Checkmate is now unavoidable. Rxf7 was best. } { [%clk 0:37:39] } 34... Bxa1 { [%eval #-6] [%clk 0:29:40] } 35. Ke4 { [%eval #-4] [%clk 0:37:40] } 0-1