Event: Campeonato Nacional Senior 2025
Site: Comité Olímpico Nacional, Coronado, Costa Rica
White: Chaves Solera, Milton
WhiteElo: 1683
Black: Jimenez Molina, Juan Leon
BlackTitle: FM
BlackElo: 2035
Result: 0-1
ECO: B35
Opening: Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... c5 { [%eval 0.25] [%clk 1:22:16] } 2. Nf3 { [%eval 0.2] [%clk 1:30:51] } 2... Nc6 { [%eval 0.25] [%clk 1:22:36] } 3. d4 { [%eval 0.27] [%clk 1:30:57] } 3... cxd4 { [%eval 0.35] [%clk 1:23:04] } 4. Nxd4 { [%eval 0.21] [%clk 1:31:13] } 4... g6 { [%eval 0.47] [%clk 1:22:50] } 5. Bc4 { [%eval 0.08] [%clk 1:31:06] } 5... Bg7 { [%eval 0.12] [%clk 1:21:51] } 6. Be3 { [%eval 0.0] [%clk 1:30:04] } 6... Nf6 { [%eval 0.31] [%clk 1:22:07] } 7. Nc3 { [%eval 0.21] [%clk 1:30:12] } 7... O-O { [%eval 0.2] [%clk 1:22:26] } 8. O-O { [%eval -0.03] [%clk 1:30:21] } 8... Nxe4 { [%eval 0.0] [%clk 1:21:25] } 9. Nxc6 { [%eval -0.09] [%clk 1:29:43] } 9... bxc6 { [%eval -0.07] [%clk 1:20:34] } 10. Nxe4 { [%eval -0.1] [%clk 1:29:58] } 10... d5 { [%eval -0.04] [%clk 1:21:02] } 11. Bxd5? { [%eval -1.7] } { Mistake. Bd3 was best. } { [%clk 1:29:30] } 11... cxd5 { [%eval -1.68] [%clk 1:21:04] } 12. Ng3 { [%eval -2.17] [%clk 1:27:12] } 12... Ba6 { [%eval -2.17] [%clk 1:15:12] } 13. Re1 { [%eval -2.14] [%clk 1:27:14] } 13... Bxb2 { [%eval -2.17] [%clk 1:15:28] } 14. Rb1 { [%eval -2.26] [%clk 1:26:48] } 14... Bc3 { [%eval -2.23] [%clk 1:15:44] } 15. Bh6 { [%eval -2.3] [%clk 1:25:54] } 15... Bxe1 { [%eval -1.83] [%clk 1:10:11] } 16. Qd4?? { [%eval -4.0] } { Blunder. Qxe1 was best. } { [%clk 1:25:58] } 16... Bxf2+ { [%eval -4.11] [%clk 1:08:57] } 17. Kxf2 { [%eval -4.31] [%clk 1:25:09] } 17... f6 { [%eval -4.29] [%clk 1:08:09] } 18. Bxf8 { [%eval -4.16] [%clk 1:23:05] } 18... Kxf8 { [%eval -4.24] [%clk 1:08:14] } 19. Rd1 { [%eval -4.42] [%clk 1:23:03] } 19... Bc4 { [%eval -4.3] [%clk 1:04:35] } 20. Ne4 { [%eval -4.78] [%clk 1:16:04] } 20... Qb6 { [%eval -4.38] [%clk 0:56:14] } 21. Nc5 { [%eval -4.86] [%clk 1:12:03] } 21... Kf7 { [%eval -4.9] [%clk 0:53:16] } 22. Qe3 { [%eval -5.45] [%clk 1:07:09] } 22... Rc8 { [%eval -5.43] [%clk 0:51:38] } 23. Nb3 { [%eval -5.27] [%clk 1:04:30] } 23... Bxb3 { [%eval -5.18] [%clk 0:47:59] } 24. Qxb6 { [%eval -5.61] [%clk 1:04:02] } 24... Rxc2+ { [%eval -5.54] [%clk 0:47:30] } 25. Kf3 { [%eval -5.74] [%clk 1:03:07] } 25... axb6 { [%eval -5.6] [%clk 0:47:42] } 26. axb3 { [%eval -5.51] [%clk 1:03:21] } 26... Rc3+ { [%eval -5.45] [%clk 0:47:48] } 27. Ke2 { [%eval -5.61] [%clk 1:02:36] } 27... Ke6 { [%eval -5.49] [%clk 0:48:05] } 28. Rb1 { [%eval -5.57] [%clk 1:02:49] } 28... Kd6 { [%eval -5.56] [%clk 0:48:07] } 29. Kd2 { [%eval -5.77] [%clk 1:02:39] } 29... d4 { [%eval -5.77] [%clk 0:48:22] } 30. b4 { [%eval -6.21] [%clk 1:01:48] } 30... e5 { [%eval -6.22] [%clk 0:48:32] } 31. g4 { [%eval -7.61] [%clk 1:01:43] } 31... e4 { [%eval -7.41] [%clk 0:48:33] } 32. Rf1 { [%eval -8.16] [%clk 1:01:38] } 32... Ke5 { [%eval -9.05] [%clk 0:48:53] } 33. h4? { [%eval #-13] } { Checkmate is now unavoidable. g5 was best. } { [%clk 0:59:40] } 33... Rb3? { [%eval -7.9] } { Lost forced checkmate sequence. e3+ was best. } { [%clk 0:47:55] } 34. h5 { [%eval -7.95] [%clk 0:59:20] } 34... Rxb4 { [%eval -7.83] [%clk 0:47:54] } 35. hxg6 { [%eval -8.53] [%clk 0:59:22] } 35... hxg6 { [%eval -8.33] [%clk 0:48:22] } 0-1