Event: Campeonato Nacional Senior 2025
Site: Comité Olímpico Nacional, Coronado, Costa Rica
White: Herrera Retana, Gerardo
WhiteElo: 1797
Black: Pomares Herrera, Efrain
BlackElo: 1604
Result: 0-1
ECO: D10
Opening: Slav Defense
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:54] } 1... d5 { [%eval 0.2] [%clk 1:30:57] } 2. c4 { [%eval 0.26] [%clk 1:31:11] } 2... c6 { [%eval 0.21] [%clk 1:31:25] } 3. e3 { [%eval 0.06] [%clk 1:31:27] } 3... e6 { [%eval 0.36] [%clk 1:31:45] } 4. Nf3 { [%eval 0.28] [%clk 1:31:42] } 4... f6 { [%eval 0.6] [%clk 1:32:13] } 5. Nc3 { [%eval 0.63] [%clk 1:31:44] } 5... g6?! { [%eval 1.73] } { Inaccuracy. f5 was best. } { [%clk 1:32:32] } 6. Bd3?! { [%eval 0.71] } { Inaccuracy. e4 was best. } { [%clk 1:31:40] } 6... Kf7? { [%eval 2.36] } { Mistake. f5 was best. } { [%clk 1:32:45] } 7. O-O?! { [%eval 1.69] } { Inaccuracy. e4 was best. } { [%clk 1:31:04] } 7... g5 { [%eval 2.25] [%clk 1:32:48] } 8. e4 { [%eval 2.97] [%clk 1:30:32] } 8... h5 { [%eval 2.97] [%clk 1:32:05] } 9. cxd5 { [%eval 2.95] [%clk 1:28:27] } 9... cxd5 { [%eval 2.71] [%clk 1:32:23] } 10. exd5 { [%eval 2.86] [%clk 1:28:25] } 10... exd5 { [%eval 2.77] [%clk 1:31:56] } 11. Qb3? { [%eval 1.39] } { Mistake. Bc2 was best. } { [%clk 1:27:43] } 11... Ne7 { [%eval 1.46] [%clk 1:30:27] } 12. Be3 { [%eval 1.3] [%clk 1:27:19] } 12... b6?! { [%eval 2.35] } { Inaccuracy. Nbc6 was best. } { [%clk 1:30:29] } 13. Rac1 { [%eval 2.19] [%clk 1:27:21] } 13... Ba6?! { [%eval 3.6] } { Inaccuracy. Nbc6 was best. } { [%clk 1:30:32] } 14. Bxa6 { [%eval 3.47] [%clk 1:25:48] } 14... Nxa6 { [%eval 3.23] [%clk 1:31:00] } 15. Nd2?? { [%eval 0.92] } { Blunder. Ne4 was best. } { [%clk 1:25:21] } 15... Nc7 { [%eval 0.98] [%clk 1:31:01] } 16. f4 { [%eval 0.84] [%clk 1:24:36] } 16... g4 { [%eval 1.08] [%clk 1:31:21] } 17. f5 { [%eval 0.98] [%clk 1:17:48] } 17... Bh6 { [%eval 1.16] [%clk 1:31:16] } 18. Ne2 { [%eval 0.9] [%clk 1:15:53] } 18... Qd7 { [%eval 1.17] [%clk 1:29:16] } 19. Bxh6 { [%eval 1.33] [%clk 1:13:39] } 19... Rxh6 { [%eval 1.34] [%clk 1:29:44] } 20. Qe3?! { [%eval 0.68] } { Inaccuracy. h4 was best. } { [%clk 1:12:51] } 20... Rhh8 { [%eval 0.85] [%clk 1:29:17] } 21. Qf4?! { [%eval 0.0] } { Inaccuracy. Nf4 was best. } { [%clk 1:12:05] } 21... Ne8 { [%eval 0.1] [%clk 1:29:27] } 22. Rc2 { [%eval -0.36] [%clk 1:09:10] } 22... Qd6 { [%eval -0.04] [%clk 1:28:24] } 23. Qe3 { [%eval -0.27] [%clk 1:04:35] } 23... Rc8 { [%eval 0.14] [%clk 1:30:19] } 24. Rxc8 { [%eval 0.14] [%clk 1:03:46] } 24... Nxc8 { [%eval 0.18] [%clk 1:30:47] } 25. Qf4?! { [%eval -0.41] } { Inaccuracy. Nf4 was best. } { [%clk 1:02:57] } 25... Qxf4 { [%eval 0.0] [%clk 1:30:22] } 26. Nxf4 { [%eval 0.0] [%clk 1:03:16] } 26... Ne7 { [%eval 0.0] [%clk 1:30:31] } 27. Ne2?! { [%eval -0.58] } { Inaccuracy. Rc1 was best. } { [%clk 0:55:04] } 27... Nd6 { [%eval -0.67] [%clk 1:30:55] } 28. Nc3? { [%eval -2.32] } { Mistake. Rc1 was best. } { [%clk 0:54:49] } 28... Ndxf5 { [%eval -1.81] [%clk 1:31:13] } 29. Nxd5 { [%eval -1.75] [%clk 0:54:02] } 29... Nxd5 { [%eval -1.81] [%clk 1:30:39] } 30. Rxf5 { [%eval -1.78] [%clk 0:54:17] } 30... Ke6 { [%eval -1.68] [%clk 1:30:55] } 31. Rf2 { [%eval -1.64] [%clk 0:53:58] } 31... f5 { [%eval -1.76] [%clk 1:31:12] } 32. Re2+ { [%eval -1.63] [%clk 0:53:34] } 32... Kf6 { [%eval -1.64] [%clk 1:31:23] } 33. Nc4 { [%eval -2.23] [%clk 0:53:07] } 33... Rc8 { [%eval -2.03] [%clk 1:31:00] } 34. Nd6?! { [%eval -2.8] } { Inaccuracy. b3 was best. } { [%clk 0:51:02] } 34... Rc1+ { [%eval -2.79] [%clk 1:30:43] } 35. Kf2 { [%eval -2.81] [%clk 0:51:23] } 35... Nf4 { [%eval -2.61] [%clk 1:30:41] } 36. Rd2 { [%eval -2.67] [%clk 0:47:49] } 36... h4 { [%eval -2.57] [%clk 1:30:59] } 37. Nb5?? { [%eval -5.3] } { Blunder. d5 was best. } { [%clk 0:38:28] } 37... a6?! { [%eval -3.44] } { Inaccuracy. Rh1 was best. } { [%clk 1:31:15] } 38. Nc3 { [%eval -3.2] [%clk 0:38:19] } 38... b5? { [%eval -1.55] } { Mistake. h3 was best. } { [%clk 1:31:15] } 39. Ke3 { [%eval -1.92] [%clk 0:37:23] } 39... Kg5?? { [%eval 0.0] } { Blunder. Rf1 was best. } { [%clk 1:31:06] } 40. g3 { [%eval 0.0] [%clk 0:36:48] } 40... hxg3 { [%eval 0.0] [%clk 1:29:53] } 41. hxg3 { [%eval 0.0] [%clk 0:37:10] } 41... Ng6 { [%eval 0.09] [%clk 1:29:58] } 42. d5 { [%eval 0.18] [%clk 0:35:41] } 42... Re1+ { [%eval 0.5] [%clk 1:28:36] } 43. Kd4 { [%eval 0.66] [%clk 0:30:23] } 43... Re8 { [%eval 0.81] [%clk 1:27:44] } 44. d6 { [%eval 0.89] [%clk 0:29:32] } 44... Rd8 { [%eval 0.87] [%clk 1:27:51] } 45. Kc5 { [%eval 0.75] [%clk 0:29:36] } 45... Ne5?! { [%eval 1.88] } { Inaccuracy. f4 was best. } { [%clk 1:27:11] } 46. Nd5?? { [%eval -1.5] } { Blunder. Rd5 was best. } { [%clk 0:26:27] } 46... Nc4? { [%eval 0.0] } { Mistake. Rxd6 was best. } { [%clk 1:24:51] } 47. Nc7 { [%eval 0.0] [%clk 0:23:50] } 47... Nxd2 { [%eval 0.0] [%clk 1:24:53] } 48. Ne6+ { [%eval 0.0] [%clk 0:24:17] } 48... Kf6 { [%eval 0.0] [%clk 1:25:05] } 49. Nxd8 { [%eval 0.0] [%clk 0:24:41] } 49... Ne4+ { [%eval 0.0] [%clk 1:24:35] } 50. Kd5 { [%eval 0.0] [%clk 0:24:38] } 50... Nxd6 { [%eval 0.0] [%clk 1:24:59] } 51. Kxd6 { [%eval 0.0] [%clk 0:24:11] } 51... f4 { [%eval 0.0] [%clk 1:25:13] } 52. Ne6 { [%eval 0.0] [%clk 0:22:23] } 52... fxg3 { [%eval 0.0] [%clk 1:15:34] } 53. Nf4 { [%eval 0.0] [%clk 0:19:23] } 53... Kf5 { [%eval 0.0] [%clk 1:03:51] } 54. Ng2?? { [%eval -6.09] } { Blunder. Ne2 was best. } { [%clk 0:18:10] } 54... Ke4 { [%eval -5.84] [%clk 1:04:19] } 55. b4 { [%eval -5.85] [%clk 0:12:28] } 55... Kf3 { [%eval -7.23] [%clk 1:04:41] } 56. Nh4+ { [%eval -8.88] [%clk 0:12:45] } 56... Kf2 { [%eval -6.9] [%clk 1:04:29] } 57. Kc6 { [%eval -8.89] [%clk 0:13:01] } 57... g2 { [%eval -8.38] [%clk 1:04:15] } 58. Nxg2? { [%eval #-16] } { Checkmate is now unavoidable. Ng6 was best. } { [%clk 0:13:28] } 58... Kxg2 { [%eval #-16] [%clk 1:04:37] } 59. Kb6 { [%eval #-16] [%clk 0:13:47] } 59... g3 { [%eval #-17] [%clk 1:03:55] } 60. Kxa6 { [%eval #-13] [%clk 0:13:44] } 60... Kf3 { [%eval #-12] [%clk 1:04:19] } 61. Kxb5 { [%eval #-12] [%clk 0:13:52] } 61... g2 { [%eval #-12] [%clk 1:04:47] } 62. a4 { [%eval #-11] [%clk 0:12:58] } 62... g1=Q { [%eval #-11] [%clk 1:05:14] } 63. Ka6 { [%eval #-9] [%clk 0:14:52] } 63... Ke4 { [%eval #-8] [%clk 1:05:07] } 64. b5 { [%eval #-7] [%clk 0:14:50] } 64... Kd5 { [%eval #-6] [%clk 1:04:50] } 65. a5 { [%eval #-5] [%clk 0:10:00] } 65... Kc5 { [%eval #-5] [%clk 1:03:39] } 66. b6 { [%eval #-5] [%clk 0:09:28] } 66... Qf1+ { [%eval #-5] [%clk 1:02:43] } 67. Ka7 { [%eval #-5] [%clk 0:03:51] } 67... Qb5 { [%eval #-4] [%clk 1:02:51] } 68. b7 { [%eval #-3] [%clk 0:03:50] } 68... Qxa5+ { [%eval #-2] [%clk 1:02:59] } 69. Kb8 { [%eval #-2] [%clk 0:04:11] } 69... Kc6 { [%eval #-1] [%clk 1:02:27] } 0-1