Event: Campeonato Nacional Senior 2025
Site: Comité Olímpico Nacional, Coronado, Costa Rica
White: Pomares Herrera, Efrain
WhiteElo: 1604
Black: Cersosimo Bolanos, Francisco
BlackElo: 1974
Result: 0-1
ECO: A41
Opening: Queen's Pawn Game
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... d6 { [%eval 0.48] [%clk 1:30:52] } 2. f4 { [%eval 0.0] [%clk 1:31:15] } 2... g6 { [%eval 0.48] [%clk 1:30:47] } 3. e3?! { [%eval -0.11] } { Inaccuracy. e4 was best. } { [%clk 1:31:23] } 3... Bg7 { [%eval -0.09] [%clk 1:30:44] } 4. c3 { [%eval -0.32] [%clk 1:31:35] } 4... Nc6 { [%eval 0.06] [%clk 1:30:05] } 5. Bd3 { [%eval -0.33] [%clk 1:31:51] } 5... e5 { [%eval -0.21] [%clk 1:29:34] } 6. Nd2 { [%eval -0.57] [%clk 1:32:04] } 6... f5 { [%eval -0.41] [%clk 1:27:30] } 7. g3?! { [%eval -0.97] } { Inaccuracy. fxe5 was best. } { [%clk 1:28:44] } 7... e4 { [%eval -0.92] [%clk 1:23:30] } 8. Be2 { [%eval -0.97] [%clk 1:26:43] } 8... Nf6 { [%eval -0.9] [%clk 1:22:31] } 9. Nf1 { [%eval -1.23] [%clk 1:26:40] } 9... Bd7 { [%eval -1.08] [%clk 1:21:58] } 10. Nh3 { [%eval -1.29] [%clk 1:25:40] } 10... Ne7 { [%eval -1.01] [%clk 1:21:05] } 11. Nf2 { [%eval -1.2] [%clk 1:25:53] } 11... h5 { [%eval -1.14] [%clk 1:20:27] } 12. h4 { [%eval -1.38] [%clk 1:25:16] } 12... Ng4 { [%eval -0.83] [%clk 1:20:17] } 13. Nh3 { [%eval -1.38] [%clk 1:24:50] } 13... Bf6?! { [%eval -0.66] } { Inaccuracy. b5 was best. } { [%clk 1:17:50] } 14. Ng5 { [%eval -0.65] [%clk 1:24:19] } 14... d5 { [%eval -0.79] [%clk 1:13:44] } 15. Qb3 { [%eval -0.66] [%clk 1:22:25] } 15... b6 { [%eval -0.81] [%clk 1:10:21] } 16. Bb5?! { [%eval -1.7] } { Inaccuracy. Bd2 was best. } { [%clk 1:22:06] } 16... Bxg5 { [%eval -1.46] [%clk 1:09:18] } 17. Bxd7+?! { [%eval -2.13] } { Inaccuracy. hxg5 was best. } { [%clk 1:16:55] } 17... Qxd7 { [%eval -2.16] [%clk 1:09:29] } 18. hxg5 { [%eval -2.21] [%clk 1:17:21] } 18... Kf7 { [%eval -2.21] [%clk 1:09:05] } 19. a4 { [%eval -2.19] [%clk 1:15:45] } 19... Kg7 { [%eval -1.8] [%clk 1:09:08] } 20. Qb5 { [%eval -1.82] [%clk 1:15:47] } 20... c6 { [%eval -1.67] [%clk 1:09:01] } 21. Qe2 { [%eval -1.74] [%clk 1:15:45] } 21... Rh7?! { [%eval -0.75] } { Inaccuracy. c5 was best. } { [%clk 1:09:01] } 22. b4 { [%eval -1.25] [%clk 1:16:06] } 22... Rah8 { [%eval -1.21] [%clk 1:09:12] } 23. Rh4 { [%eval -1.3] [%clk 1:16:25] } 23... Nc8 { [%eval -0.92] [%clk 1:08:07] } 24. Bb2 { [%eval -1.39] [%clk 1:16:26] } 24... Nd6 { [%eval -1.56] [%clk 1:08:21] } 25. Nd2 { [%eval -1.53] [%clk 1:16:31] } 25... Rb8 { [%eval -1.49] [%clk 1:07:39] } 26. Bc1 { [%eval -1.76] [%clk 1:15:01] } 26... Rhh8 { [%eval -1.66] [%clk 1:04:54] } 27. c4 { [%eval -1.64] [%clk 1:15:20] } 27... Rhc8 { [%eval -1.26] [%clk 1:00:13] } 28. Bb2 { [%eval -1.83] [%clk 1:13:19] } 28... Nxc4 { [%eval -1.42] [%clk 0:58:00] } 29. Nxc4 { [%eval -1.39] [%clk 1:13:39] } 29... dxc4 { [%eval -1.5] [%clk 0:58:19] } 30. Bc3 { [%eval -1.51] [%clk 1:13:27] } 30... Qd5 { [%eval -1.56] [%clk 0:57:31] } 31. Qd2 { [%eval -1.57] [%clk 1:13:28] } 31... Kf7 { [%eval -1.33] [%clk 0:57:25] } 32. Ke2 { [%eval -1.7] [%clk 1:13:23] } 32... Rb7?! { [%eval -0.87] } { Inaccuracy. a5 was best. } { [%clk 0:55:42] } 33. Qb2?! { [%eval -1.8] } { Inaccuracy. Rhh1 was best. } { [%clk 1:13:30] } 33... c5 { [%eval -1.7] [%clk 0:53:29] } 34. Rd1 { [%eval -2.16] [%clk 1:12:53] } 34... cxb4 { [%eval -2.13] [%clk 0:52:58] } 35. Qxb4 { [%eval -1.95] [%clk 1:12:55] } 35... a6? { [%eval -0.35] } { Mistake. a5 was best. } { [%clk 0:50:14] } 36. Rb1 { [%eval -0.45] [%clk 1:12:38] } 36... Rcb8 { [%eval -0.32] [%clk 0:45:42] } 37. Rb2?! { [%eval -1.09] } { Inaccuracy. Rhh1 was best. } { [%clk 1:11:21] } 37... Ke6?! { [%eval -0.3] } { Inaccuracy. b5 was best. } { [%clk 0:44:10] } 38. Rb1?! { [%eval -1.06] } { Inaccuracy. Rh1 was best. } { [%clk 1:11:37] } 38... Rc8?! { [%eval -0.24] } { Inaccuracy. b5 was best. } { [%clk 0:43:13] } 39. Rb2?! { [%eval -0.91] } { Inaccuracy. Qa3 was best. } { [%clk 1:09:10] } 39... Qc6?! { [%eval -0.21] } { Inaccuracy. Qd6 was best. } { [%clk 0:36:21] } 40. Rd2?! { [%eval -0.97] } { Inaccuracy. Rh1 was best. } { [%clk 1:08:15] } 40... Qd5 { [%eval -0.96] [%clk 0:35:33] } 41. Rb2 { [%eval -0.94] [%clk 1:08:44] } 41... b5?! { [%eval -0.25] } { Inaccuracy. Qd6 was best. } { [%clk 0:33:51] } 42. a5?! { [%eval -0.92] } { Inaccuracy. Rh1 was best. } { [%clk 1:08:33] } 42... Qd6 { [%eval -0.94] [%clk 0:33:31] } 43. Qxd6+ { [%eval -0.96] [%clk 1:08:53] } 43... Kxd6 { [%eval -0.96] [%clk 0:33:49] } 44. Rb4 { [%eval -1.05] [%clk 1:07:12] } 44... Ke6 { [%eval -1.0] [%clk 0:32:42] } 45. Rh1 { [%eval -1.05] [%clk 1:07:32] } 45... Rd7 { [%eval -1.04] [%clk 0:32:40] } 46. Rh4 { [%eval -1.05] [%clk 1:07:41] } 46... Rd5 { [%eval -0.95] [%clk 0:32:28] } 47. Rh1 { [%eval -0.94] [%clk 1:08:06] } 47... Rc7 { [%eval -0.92] [%clk 0:31:55] } 48. Rh4 { [%eval -0.94] [%clk 1:08:28] } 48... Rh7 { [%eval -0.97] [%clk 0:31:55] } 49. Rb2 { [%eval -0.89] [%clk 1:07:51] } 49... Rd8 { [%eval -0.9] [%clk 0:31:55] } 50. Rb4 { [%eval -0.89] [%clk 1:08:19] } 50... Kd5 { [%eval -0.89] [%clk 0:32:15] } 51. Rb1 { [%eval -0.94] [%clk 1:08:19] } 51... Rb8 { [%eval -1.58] [%clk 0:32:04] } 52. Rb4 { [%eval -1.58] [%clk 1:08:48] } 52... Kc6?! { [%eval -0.92] } { Inaccuracy. Rbh8 was best. } { [%clk 0:31:07] } 53. Rh1 { [%eval -0.94] [%clk 1:07:08] } 53... Rbb7 { [%eval -0.95] [%clk 0:27:12] } 54. Rh4 { [%eval -1.87] [%clk 1:07:27] } 54... Kd5 { [%eval -1.81] [%clk 0:27:15] } 55. Rh1 { [%eval -1.69] [%clk 1:03:00] } 55... h4?! { [%eval -0.78] } { Inaccuracy. Rb8 was best. } { [%clk 0:27:02] } 56. gxh4 { [%eval -0.75] [%clk 1:02:58] } 56... Rb8 { [%eval -0.8] [%clk 0:25:33] } 57. Be1?? { [%eval -3.28] } { Blunder. Rh3 was best. } { [%clk 0:58:15] } 57... Rbh8?? { [%eval -0.76] } { Blunder. Rc8 was best. } { [%clk 0:24:08] } 58. Bg3?? { [%eval -3.33] } { Blunder. Rh3 was best. } { [%clk 0:58:39] } 58... c3 { [%eval -3.18] [%clk 0:23:14] } 59. Rc1 { [%eval -3.27] [%clk 0:57:33] } 59... Rc8 { [%eval -3.16] [%clk 0:23:25] } 60. Be1 { [%eval -3.05] [%clk 0:54:54] } 60... Rhc7 { [%eval -3.05] [%clk 0:22:31] } 61. Rc2 { [%eval -3.18] [%clk 0:55:10] } 61... Nh2 { [%eval -2.91] [%clk 0:20:35] } 62. Bg3? { [%eval -5.17] } { Mistake. Rb3 was best. } { [%clk 0:54:25] } 62... Nf3 { [%eval -4.89] [%clk 0:20:33] } 63. Be1 { [%eval -4.88] [%clk 0:54:12] } 63... Rh7 { [%eval -4.67] [%clk 0:19:33] } 64. Rb3 { [%eval -5.69] [%clk 0:53:05] } 64... Nxe1 { [%eval -5.67] [%clk 0:16:59] } 65. Kxe1 { [%eval -5.31] [%clk 0:53:32] } 65... Rhc7?? { [%eval -2.61] } { Blunder. b4 was best. } { [%clk 0:16:15] } 66. Kd1 { [%eval -2.58] [%clk 0:51:50] } 66... Rc4 { [%eval -2.65] [%clk 0:17:13] } 67. Ra2?! { [%eval -4.17] } { Inaccuracy. Rc1 was best. } { [%clk 0:51:10] } 67... b4 { [%eval -3.94] [%clk 0:16:17] } 68. Kc2?! { [%eval -5.07] } { Inaccuracy. Rg2 was best. } { [%clk 0:51:31] } 68... Kc6? { [%eval -3.05] } { Mistake. Rh8 was best. } { [%clk 0:16:15] } 69. Ra1 { [%eval -4.21] [%clk 0:51:00] } 69... Rh8 { [%eval -4.32] [%clk 0:15:46] } 70. Rh1 { [%eval -4.33] [%clk 0:51:03] } 70... Kb5 { [%eval -4.21] [%clk 0:16:00] } 71. Rbb1 { [%eval -4.14] [%clk 0:51:01] } 71... Kxa5 { [%eval -4.19] [%clk 0:16:13] } 72. Ra1+ { [%eval -4.92] [%clk 0:51:22] } 72... Kb5 { [%eval -4.84] [%clk 0:16:28] } 73. Kb3 { [%eval -5.03] [%clk 0:50:35] } 73... Rc7 { [%eval -4.7] [%clk 0:16:28] } 74. Ra4 { [%eval -5.62] [%clk 0:48:31] } 74... a5 { [%eval -5.5] [%clk 0:16:10] } 75. Rha1 { [%eval -5.25] [%clk 0:48:50] } 75... Ra7?? { [%eval 0.0] } { Blunder. Ra8 was best. } { [%clk 0:16:20] } 76. Rh1?? { [%eval -7.76] } { Blunder. Rxb4+ was best. } { [%clk 0:49:13] } 76... Rc8 { [%eval -8.49] [%clk 0:16:09] } 77. Raa1 { [%eval -8.51] [%clk 0:46:34] } 77... a4+ { [%eval -8.23] [%clk 0:16:15] } 78. Ka2 { [%eval -8.31] [%clk 0:46:07] } 78... c2 { [%eval -7.77] [%clk 0:14:48] } 79. Rac1? { [%eval #-12] } { Checkmate is now unavoidable. h5 was best. } { [%clk 0:45:53] } 79... Rc3 { [%eval #-11] [%clk 0:14:58] } 80. Kb2 { [%eval #-11] [%clk 0:41:36] } 80... a3+ { [%eval #-10] [%clk 0:14:53] } 81. Ka1 { [%eval #-12] [%clk 0:41:09] } 81... b3 { [%eval #-9] [%clk 0:15:06] } 82. h5 { [%eval #-9] [%clk 0:37:10] } 82... b2+ { [%eval #-8] [%clk 0:14:35] } 83. Ka2 { [%eval #-8] [%clk 0:37:39] } 83... bxc1=Q { [%eval #-7] [%clk 0:14:35] } 84. Rxc1 { [%eval #-7] [%clk 0:37:39] } 84... gxh5 { [%eval #-7] [%clk 0:14:13] } 85. g6 { [%eval #-7] [%clk 0:38:10] } 85... Kc4 { [%eval #-6] [%clk 0:12:10] } 86. d5 { [%eval #-5] [%clk 0:37:57] } 86... Kd3 { [%eval #-7] [%clk 0:12:16] } 87. d6 { [%eval #-7] [%clk 0:38:02] } 87... Kd2 { [%eval #-7] [%clk 0:12:21] } 88. d7 { [%eval #-7] [%clk 0:36:45] } 88... Rxd7 { [%eval #-6] [%clk 0:12:33] } 89. g7 { [%eval #-6] [%clk 0:34:23] } 89... Rxg7 { [%eval #-5] [%clk 0:12:48] } 90. Rh1 { [%eval #-5] [%clk 0:34:42] } 90... Rb7 { [%eval #-4] [%clk 0:09:23] } 91. Rd1+ { [%eval #-3] [%clk 0:35:06] } 0-1