Event: Campeonato Nacional Senior 2025
Site: Comité Olímpico Nacional, Coronado, Costa Rica
White: Chaves Solera, Milton
WhiteElo: 1683
Black: Gutierrez Soto, Gilberth
BlackElo: 1786
Result: 0-1
ECO: B70
Opening: Sicilian Defense: Dragon Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:54] } 1... c5 { [%eval 0.25] [%clk 1:27:01] } 2. Nf3 { [%eval 0.2] [%clk 1:31:03] } 2... d6 { [%eval 0.22] [%clk 1:26:41] } 3. Nc3 { [%eval 0.21] [%clk 1:31:16] } 3... Nf6 { [%eval 0.14] [%clk 1:25:39] } 4. d4 { [%eval 0.26] [%clk 1:31:22] } 4... cxd4 { [%eval 0.34] [%clk 1:25:52] } 5. Nxd4 { [%eval 0.32] [%clk 1:31:31] } 5... g6 { [%eval 0.59] [%clk 1:25:48] } 6. Bc4 { [%eval 0.14] [%clk 1:31:13] } 6... Bg7 { [%eval 0.37] [%clk 1:26:03] } 7. O-O { [%eval 0.02] [%clk 1:31:26] } 7... O-O { [%eval 0.04] [%clk 1:26:18] } 8. Bg5 { [%eval 0.0] [%clk 1:29:17] } 8... h6 { [%eval 0.0] [%clk 1:25:55] } 9. Bh4 { [%eval -0.15] [%clk 1:29:02] } 9... Nc6 { [%eval -0.11] [%clk 1:22:43] } 10. Re1 { [%eval -0.11] [%clk 1:24:15] } 10... Ng4 { [%eval 0.08] [%clk 1:12:46] } 11. Nxc6 { [%eval -0.13] [%clk 1:22:09] } 11... bxc6 { [%eval -0.14] [%clk 1:12:23] } 12. Qd2 { [%eval -0.23] [%clk 1:20:45] } 12... Ne5 { [%eval -0.26] [%clk 1:10:09] } 13. Bb3 { [%eval -0.41] [%clk 1:21:04] } 13... Ba6 { [%eval 0.05] [%clk 1:07:33] } 14. Rad1 { [%eval -0.05] [%clk 1:19:01] } 14... Nc4 { [%eval 0.13] [%clk 1:04:30] } 15. Qc1 { [%eval 0.0] [%clk 1:18:25] } 15... g5 { [%eval 0.0] [%clk 1:03:25] } 16. Bg3 { [%eval 0.0] [%clk 1:18:41] } 16... Qa5 { [%eval 0.01] [%clk 1:00:53] } 17. f4?! { [%eval -0.9] } { Inaccuracy. Bxc4 was best. } { [%clk 1:14:27] } 17... Nxb2 { [%eval -0.74] [%clk 1:00:24] } 18. e5?? { [%eval -4.21] } { Blunder. Qxb2 was best. } { [%clk 1:06:34] } 18... Qxc3 { [%eval -4.0] [%clk 0:55:35] } 19. Re3 { [%eval -4.65] [%clk 1:05:26] } 19... Qc5 { [%eval -4.71] [%clk 0:55:43] } 20. Re1 { [%eval -4.97] [%clk 1:03:03] } 20... gxf4 { [%eval -4.71] [%clk 0:49:18] } 21. Bxf4 { [%eval -4.75] [%clk 1:02:48] } 21... dxe5 { [%eval -4.84] [%clk 0:47:35] } 22. Bg3 { [%eval -5.04] [%clk 1:01:46] } 22... Nc4 { [%eval -5.0] [%clk 0:46:02] } 23. Bxc4 { [%eval -4.94] [%clk 1:01:43] } 23... Bxc4 { [%eval -4.92] [%clk 0:45:35] } 24. Kh1 { [%eval -5.04] [%clk 1:01:45] } 24... f6 { [%eval -5.04] [%clk 0:43:47] } 25. Rc3 { [%eval -5.29] [%clk 1:02:01] } 25... Qd4 { [%eval -5.04] [%clk 0:39:51] } 26. Qa3 { [%eval -5.5] [%clk 1:01:28] } 26... Rfd8 { [%eval -4.99] [%clk 0:33:48] } 27. h3 { [%eval -5.41] [%clk 0:59:44] } 27... Rd7 { [%eval -5.09] [%clk 0:28:16] } 28. Ree3 { [%eval -5.41] [%clk 0:59:46] } 28... Rad8 { [%eval -5.36] [%clk 0:28:14] } 29. Bf2 { [%eval -5.77] [%clk 0:54:32] } 29... Qd5 { [%eval -4.9] [%clk 0:27:55] } 30. Rg3 { [%eval -4.84] [%clk 0:51:52] } 30... Qd1+ { [%eval -4.33] [%clk 0:24:06] } 31. Kh2 { [%eval -4.06] [%clk 0:49:48] } 31... Qf1 { [%eval -4.03] [%clk 0:24:13] } 32. Rgf3?! { [%eval -5.25] } { Inaccuracy. Bxa7 was best. } { [%clk 0:49:00] } 32... Bd5 { [%eval -4.88] [%clk 0:22:10] } 33. Bc5 { [%eval -5.65] [%clk 0:40:07] } 33... Bxf3 { [%eval -5.75] [%clk 0:20:30] } 34. Rxf3 { [%eval -5.52] [%clk 0:40:29] } 34... Qe2 { [%eval -5.28] [%clk 0:19:29] } 35. Bxe7 { [%eval -5.34] [%clk 0:38:29] } 35... Rd2?! { [%eval -3.92] } { Inaccuracy. Re8 was best. } { [%clk 0:14:13] } 36. Rg3 { [%eval -3.43] [%clk 0:38:25] } 36... Qf2?? { [%eval 0.0] } { Blunder. R8d4 was best. } { [%clk 0:11:34] } 37. Bxf6?? { [%eval -7.57] } { Blunder. Bxd8 was best. } { [%clk 0:37:48] } 37... Qxf6 { [%eval -7.69] [%clk 0:11:54] } 38. Qb3+ { [%eval -8.23] [%clk 0:37:17] } 38... Kh8 { [%eval -8.04] [%clk 0:11:01] } 39. Rf3 { [%eval -9.49] [%clk 0:37:28] } 39... Qd6 { [%eval -9.31] [%clk 0:10:45] } 40. Qb7? { [%eval #-7] } { Checkmate is now unavoidable. Qa3 was best. } { [%clk 0:37:16] } 40... e4+ { [%eval #-6] [%clk 0:10:45] } 41. Rg3 { [%eval #-6] [%clk 0:37:44] } 41... Be5 { [%eval #-5] [%clk 0:10:50] } 0-1