Event: Campeonato Nacional Senior 2025
Site: Comité Olímpico Nacional, Coronado, Costa Rica
White: Mena Vilchez, Ulises
WhiteElo: 1718
Black: Calderon Villalobos, Alexis
BlackElo: 1718
Result: 1-0
ECO: C30
Opening: King's Gambit Declined: Queen's Knight Defense
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... e5 { [%eval 0.21] [%clk 1:30:32] } 2. f4?! { [%eval -0.43] } { Inaccuracy. Nf3 was best. } { [%clk 1:31:11] } 2... Nc6 { [%eval 0.09] [%clk 1:30:22] } 3. Bc4?! { [%eval -0.62] } { Inaccuracy. Nf3 was best. } { [%clk 1:31:19] } 3... Bc5?! { [%eval 0.0] } { Inaccuracy. exf4 was best. } { [%clk 1:29:52] } 4. Nf3 { [%eval 0.0] [%clk 1:31:04] } 4... d6 { [%eval 0.0] [%clk 1:29:35] } 5. f5 { [%eval -0.1] [%clk 1:28:06] } 5... Na5 { [%eval -0.21] [%clk 1:27:41] } 6. Be2 { [%eval -0.45] [%clk 1:26:35] } 6... Bb6?! { [%eval 0.32] } { Inaccuracy. Nf6 was best. } { [%clk 1:27:48] } 7. a4 { [%eval 0.06] [%clk 1:23:05] } 7... a6 { [%eval 0.08] [%clk 1:27:04] } 8. d3 { [%eval 0.08] [%clk 1:20:44] } 8... h6 { [%eval 0.17] [%clk 1:26:57] } 9. b4 { [%eval -0.34] [%clk 1:09:20] } 9... Nc6 { [%eval -0.37] [%clk 1:26:31] } 10. a5 { [%eval -0.59] [%clk 1:09:28] } 10... Ba7 { [%eval -0.71] [%clk 1:25:59] } 11. c3 { [%eval -0.77] [%clk 1:07:30] } 11... Nf6 { [%eval -0.89] [%clk 1:23:49] } 12. Qc2 { [%eval -0.88] [%clk 0:55:55] } 12... Ng4 { [%eval -0.52] [%clk 1:21:09] } 13. h3 { [%eval -0.59] [%clk 0:52:26] } 13... Nf6 { [%eval -0.15] [%clk 1:19:30] } 14. g4 { [%eval -0.18] [%clk 0:50:31] } 14... d5 { [%eval -0.57] [%clk 1:18:29] } 15. Nbd2 { [%eval -0.5] [%clk 0:44:30] } 15... d4? { [%eval 1.09] } { Mistake. b5 was best. } { [%clk 1:13:45] } 16. Nc4 { [%eval 0.64] [%clk 0:44:09] } 16... dxc3?! { [%eval 1.51] } { Inaccuracy. O-O was best. } { [%clk 1:10:28] } 17. Ncxe5?? { [%eval -0.19] } { Blunder. Qxc3 was best. } { [%clk 0:44:10] } 17... Nd4?? { [%eval 1.94] } { Blunder. Nxe5 was best. } { [%clk 1:08:40] } 18. Qxc3 { [%eval 1.46] [%clk 0:41:54] } 18... Nxf3+?! { [%eval 2.21] } { Inaccuracy. Qd6 was best. } { [%clk 1:06:41] } 19. Nxf3 { [%eval 2.35] [%clk 0:42:05] } 19... O-O { [%eval 2.76] [%clk 1:04:54] } 20. g5 { [%eval 2.49] [%clk 0:41:40] } 20... hxg5 { [%eval 2.49] [%clk 1:02:31] } 21. Bxg5 { [%eval 2.41] [%clk 0:41:28] } 21... b5 { [%eval 2.89] [%clk 1:02:15] } 22. O-O-O { [%eval 2.88] [%clk 0:37:28] } 22... Bb7?! { [%eval 3.72] } { Inaccuracy. Re8 was best. } { [%clk 1:01:49] } 23. Bxf6?? { [%eval 0.95] } { Blunder. Rhg1 was best. } { [%clk 0:36:33] } 23... gxf6?? { [%eval 4.79] } { Blunder. Qxf6 was best. } { [%clk 1:01:46] } 24. Qe1?? { [%eval 0.88] } { Blunder. Rdg1+ was best. } { [%clk 0:36:07] } 24... Re8 { [%eval 0.71] [%clk 1:00:14] } 25. Qg3+?! { [%eval -0.13] } { Inaccuracy. Qd2 was best. } { [%clk 0:33:11] } 25... Kf8 { [%eval -0.14] [%clk 1:00:14] } 26. Qf4 { [%eval -0.08] [%clk 0:27:25] } 26... Qd6 { [%eval -0.1] [%clk 0:59:52] } 27. Qxd6+ { [%eval -0.13] [%clk 0:27:19] } 27... cxd6 { [%eval -0.15] [%clk 1:00:05] } 28. Kd2 { [%eval -0.32] [%clk 0:27:25] } 28... Ke7?! { [%eval 0.47] } { Inaccuracy. Rac8 was best. } { [%clk 0:59:58] } 29. Rc1 { [%eval 0.13] [%clk 0:26:33] } 29... Rac8 { [%eval 0.2] [%clk 0:59:22] } 30. Rxc8 { [%eval 0.08] [%clk 0:26:52] } 30... Rxc8 { [%eval 0.17] [%clk 0:58:50] } 31. h4 { [%eval 0.06] [%clk 0:27:18] } 31... d5 { [%eval 0.06] [%clk 0:58:26] } 32. exd5 { [%eval 0.04] [%clk 0:25:46] } 32... Bxd5 { [%eval 0.14] [%clk 0:58:26] } 33. h5 { [%eval 0.25] [%clk 0:23:34] } 33... Rg8?! { [%eval 0.85] } { Inaccuracy. Bf2 was best. } { [%clk 0:57:57] } 34. h6 { [%eval 0.9] [%clk 0:22:36] } 34... Bb8 { [%eval 0.79] [%clk 0:57:42] } 35. h7 { [%eval 0.87] [%clk 0:20:56] } 35... Rh8 { [%eval 0.75] [%clk 0:57:58] } 36. Ke3 { [%eval 0.68] [%clk 0:19:23] } 36... Kf8?! { [%eval 1.56] } { Inaccuracy. Be5 was best. } { [%clk 0:58:13] } 37. Kd4 { [%eval 1.43] [%clk 0:18:21] } 37... Bb7?! { [%eval 2.49] } { Inaccuracy. Ba8 was best. } { [%clk 0:57:36] } 38. Kc5 { [%eval 2.54] [%clk 0:16:03] } 38... Kg7?! { [%eval 3.71] } { Inaccuracy. Ba7+ was best. } { [%clk 0:57:54] } 39. Kb6 { [%eval 3.92] [%clk 0:12:05] } 39... Bc8 { [%eval 3.89] [%clk 0:58:04] } 40. d4 { [%eval 3.67] [%clk 0:10:51] } 40... Rxh7?! { [%eval 4.75] } { Inaccuracy. Bxf5 was best. } { [%clk 0:55:04] } 41. Rxh7+ { [%eval 4.56] [%clk 0:10:54] } 41... Kxh7 { [%eval 4.8] [%clk 0:55:28] } 42. Bd3 { [%eval 4.49] [%clk 0:10:48] } 42... Kg8 { [%eval 5.29] [%clk 0:55:42] } 43. d5 { [%eval 4.93] [%clk 0:10:30] } 43... Kf8 { [%eval 5.01] [%clk 0:52:40] } 44. Kc6?? { [%eval 0.47] } { Blunder. Nd4 was best. } { [%clk 0:10:51] } 44... Ke8?? { [%eval 4.67] } { Blunder. Ke7 was best. } { [%clk 0:52:43] } 45. Be4?? { [%eval 0.13] } { Blunder. Nd4 was best. } { [%clk 0:10:50] } 45... Ke7?? { [%eval 4.15] } { Blunder. Bg3 was best. } { [%clk 0:52:01] } 46. Ne1 { [%eval 4.57] [%clk 0:09:29] } 46... Be5?! { [%eval 5.93] } { Inaccuracy. Bg3 was best. } { [%clk 0:49:32] } 47. Nd3 { [%eval 5.43] [%clk 0:09:58] } 47... Bb8 { [%eval 5.76] [%clk 0:48:55] } 48. Nc5 { [%eval 5.77] [%clk 0:09:36] } 48... Kd8?! { [%eval 8.32] } { Inaccuracy. Bg3 was best. } { [%clk 0:47:48] } 49. Nb7+ { [%eval 6.93] [%clk 0:09:45] } 49... Bxb7+ { [%eval 6.71] [%clk 0:47:57] } 50. Kxb7 { [%eval 6.74] [%clk 0:10:11] } 50... Bd6 { [%eval 6.66] [%clk 0:48:23] } 51. Kxa6 { [%eval 7.09] [%clk 0:09:48] } 51... Bxb4 { [%eval 8.61] [%clk 0:48:51] } 52. Kxb5 { [%eval 8.58] [%clk 0:09:50] } 52... Bd2 { [%eval 8.27] [%clk 0:49:14] } 53. a6 { [%eval 7.88] [%clk 0:10:00] } 53... Be3 { [%eval 9.39] [%clk 0:48:50] } 54. Kc6 { [%eval 7.86] [%clk 0:09:12] } 54... Bd4? { [%eval #19] } { Checkmate is now unavoidable. Kc8 was best. } { [%clk 0:48:42] } 55. Kb7 { [%eval #19] [%clk 0:09:30] } 55... Kd7 { [%eval #20] [%clk 0:48:09] } 56. a7 { [%eval #17] [%clk 0:09:56] } 56... Bxa7 { [%eval #18] [%clk 0:48:02] } 57. Kxa7 { [%eval #17] [%clk 0:09:30] } 57... Kc7 { [%eval #17] [%clk 0:48:30] } 58. Ka6 { [%eval #19] [%clk 0:09:30] } 1-0