Event: Campeonato Nacional Senior 2025
Site: Comité Olímpico Nacional, Coronado, Costa Rica
White: Pomares Herrera, Efrain
WhiteElo: 1604
Black: Solano Monge, Luis Guillermo
BlackElo: 0
Result: 0-1
ECO: D00
Opening: Queen's Pawn Game: Mason Attack
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:29:03] } 1... d5 { [%eval 0.2] [%clk 1:30:37] } 2. f4?! { [%eval -0.58] } { Inaccuracy. c4 was best. } { [%clk 1:29:16] } 2... Nf6 { [%eval -0.35] [%clk 1:30:32] } 3. e3 { [%eval -0.56] [%clk 1:29:44] } 3... e6 { [%eval -0.27] [%clk 1:30:36] } 4. Bd3 { [%eval -0.36] [%clk 1:30:09] } 4... b6 { [%eval -0.14] [%clk 1:30:26] } 5. Nd2 { [%eval -0.3] [%clk 1:30:38] } 5... Be7 { [%eval -0.25] [%clk 1:30:08] } 6. h3 { [%eval -0.57] [%clk 1:30:48] } 6... O-O { [%eval -0.6] [%clk 1:29:20] } 7. g4 { [%eval -0.74] [%clk 1:31:14] } 7... Ne4?? { [%eval 1.92] } { Blunder. c5 was best. } { [%clk 1:22:01] } 8. Nxe4 { [%eval 1.91] [%clk 1:31:15] } 8... dxe4 { [%eval 1.9] [%clk 1:21:33] } 9. Bxe4 { [%eval 2.01] [%clk 1:31:43] } 9... c6 { [%eval 1.96] [%clk 1:21:23] } 10. g5 { [%eval 1.89] [%clk 1:32:05] } 10... f5 { [%eval 2.39] [%clk 1:20:14] } 11. Bd3? { [%eval 0.94] } { Mistake. gxf6 was best. } { [%clk 1:32:16] } 11... c5 { [%eval 0.94] [%clk 1:16:53] } 12. c3 { [%eval 0.91] [%clk 1:32:39] } 12... Qd5 { [%eval 1.35] [%clk 1:11:40] } 13. Qf3?! { [%eval 0.61] } { Inaccuracy. Nf3 was best. } { [%clk 1:32:52] } 13... Qxf3? { [%eval 1.78] } { Mistake. Bb7 was best. } { [%clk 1:11:47] } 14. Nxf3 { [%eval 1.69] [%clk 1:33:18] } 14... g6 { [%eval 2.15] [%clk 1:09:37] } 15. Ne5?! { [%eval 1.33] } { Inaccuracy. Ke2 was best. } { [%clk 1:33:14] } 15... Bd6 { [%eval 1.78] [%clk 1:02:25] } 16. Be2 { [%eval 1.78] [%clk 1:33:21] } 16... Bxe5? { [%eval 3.3] } { Mistake. Bb7 was best. } { [%clk 1:01:21] } 17. dxe5?? { [%eval 1.12] } { Blunder. Bf3 was best. } { [%clk 1:33:25] } 17... Bb7 { [%eval 1.14] [%clk 0:58:05] } 18. Rh2 { [%eval 1.14] [%clk 1:33:53] } 18... Be4 { [%eval 1.2] [%clk 0:57:39] } 19. b3 { [%eval 0.74] [%clk 1:33:08] } 19... a6? { [%eval 2.07] } { Mistake. Nc6 was best. } { [%clk 0:57:09] } 20. Bc4 { [%eval 1.79] [%clk 1:33:28] } 20... Kf7 { [%eval 1.98] [%clk 0:56:42] } 21. Bb2?! { [%eval 1.03] } { Inaccuracy. Rd2 was best. } { [%clk 1:32:49] } 21... Bf3?! { [%eval 2.13] } { Inaccuracy. Rd8 was best. } { [%clk 0:56:12] } 22. Be2?! { [%eval 1.32] } { Inaccuracy. Rd2 was best. } { [%clk 1:32:54] } 22... Be4?! { [%eval 1.96] } { Inaccuracy. Bxe2 was best. } { [%clk 0:56:17] } 23. Rd1 { [%eval 1.8] [%clk 1:31:57] } 23... Nc6 { [%eval 1.97] [%clk 0:56:35] } 24. Rd6 { [%eval 1.51] [%clk 1:30:58] } 24... b5?! { [%eval 2.61] } { Inaccuracy. Rfd8 was best. } { [%clk 0:56:41] } 25. Bd3? { [%eval 1.33] } { Mistake. h4 was best. } { [%clk 1:30:14] } 25... Ne7 { [%eval 1.9] [%clk 0:54:07] } 26. Bxe4 { [%eval 1.56] [%clk 1:29:42] } 26... fxe4 { [%eval 1.48] [%clk 0:53:36] } 27. Rd7 { [%eval 1.32] [%clk 1:29:48] } 27... Ke8?! { [%eval 2.28] } { Inaccuracy. a5 was best. } { [%clk 0:52:29] } 28. Rd6?! { [%eval 1.39] } { Inaccuracy. Rhd2 was best. } { [%clk 1:28:37] } 28... Kf7 { [%eval 1.17] [%clk 0:52:04] } 29. Ke2? { [%eval 0.0] } { Mistake. Rd7 was best. } { [%clk 1:28:48] } 29... Nf5 { [%eval 0.0] [%clk 0:52:18] } 30. Rd7+ { [%eval 0.0] [%clk 1:28:29] } 30... Ne7? { [%eval 1.38] } { Mistake. Kg8 was best. } { [%clk 0:51:47] } 31. h4? { [%eval 0.0] } { Mistake. Ke1 was best. } { [%clk 1:28:46] } 31... Ke8? { [%eval 1.66] } { Mistake. Rfd8 was best. } { [%clk 0:51:01] } 32. Rc7 { [%eval 1.36] [%clk 1:28:37] } 32... Rc8?? { [%eval 3.51] } { Blunder. Nf5 was best. } { [%clk 0:44:01] } 33. Rxc8+ { [%eval 3.49] [%clk 1:28:50] } 33... Nxc8 { [%eval 3.3] [%clk 0:44:06] } 34. h5?? { [%eval 0.63] } { Blunder. Ba3 was best. } { [%clk 1:29:13] } 34... Kf7?? { [%eval 4.41] } { Blunder. Kd7 was best. } { [%clk 0:43:00] } 35. hxg6+ { [%eval 4.13] [%clk 1:28:21] } 35... Kxg6 { [%eval 4.6] [%clk 0:38:39] } 36. Ba3 { [%eval 4.33] [%clk 1:28:34] } 36... Rd8 { [%eval 4.75] [%clk 0:31:12] } 37. Bxc5 { [%eval 4.35] [%clk 1:26:03] } 37... Rd3 { [%eval 4.88] [%clk 0:31:31] } 38. Bd4 { [%eval 4.59] [%clk 1:26:15] } 38... Ne7 { [%eval 4.71] [%clk 0:31:00] } 39. Rh6+ { [%eval 4.4] [%clk 1:26:34] } 39... Kg7?! { [%eval 5.77] } { Inaccuracy. Kf5 was best. } { [%clk 0:29:51] } 40. Rxe6 { [%eval 5.6] [%clk 1:26:56] } 40... Nf5 { [%eval 5.62] [%clk 0:30:10] } 41. Rxa6 { [%eval 5.55] [%clk 1:26:37] } 41... Ng3+ { [%eval 6.27] [%clk 0:29:03] } 42. Ke1 { [%eval 5.89] [%clk 1:26:59] } 42... Kf7 { [%eval 7.16] [%clk 0:26:26] } 43. e6+ { [%eval 6.65] [%clk 1:26:59] } 43... Ke7?? { [%eval #3] } { Checkmate is now unavoidable. Kg6 was best. } { [%clk 0:25:45] } 44. Bc5+? { [%eval 8.33] } { Lost forced checkmate sequence. Bf6+ was best. } { [%clk 1:26:57] } 44... Ke8 { [%eval 8.02] [%clk 0:24:45] } 45. Ra8+ { [%eval 7.96] [%clk 1:27:03] } 45... Rd8 { [%eval 7.62] [%clk 0:25:06] } 46. Rxd8+ { [%eval 8.33] [%clk 1:26:36] } 46... Kxd8 { [%eval 8.17] [%clk 0:25:32] } 47. e7+ { [%eval 7.68] [%clk 1:26:46] } 47... Ke8 { [%eval 8.78] [%clk 0:25:48] } 48. a4 { [%eval 8.87] [%clk 1:26:33] } 48... bxa4? { [%eval #15] } { Checkmate is now unavoidable. Nf5 was best. } { [%clk 0:26:03] } 49. bxa4 { [%eval #16] [%clk 1:27:02] } 49... Nf5 { [%eval #17] [%clk 0:25:45] } 50. a5 { [%eval 10.68] [%clk 1:27:19] } 0-1