Event: Campeonato Nacional Senior 2025
Site: Comité Olímpico Nacional, Coronado, Costa Rica
White: Araya Umana, Carlos
WhiteTitle: CM
WhiteElo: 1893
Black: Herrera Retana, Gerardo
BlackElo: 1797
Result: 1-0
ECO: A45
Opening: Indian Defense
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:58] } 1... Nf6 { [%eval 0.19] [%clk 1:24:21] } 2. Bf4 { [%eval 0.05] [%clk 1:31:16] } 2... c5 { [%eval 0.19] [%clk 1:23:30] } 3. e3 { [%eval 0.0] [%clk 1:30:48] } 3... cxd4 { [%eval 0.15] [%clk 1:21:48] } 4. exd4 { [%eval 0.03] [%clk 1:31:09] } 4... e6 { [%eval 0.27] [%clk 1:21:24] } 5. c3 { [%eval 0.19] [%clk 1:31:31] } 5... Nc6 { [%eval 0.32] [%clk 1:21:16] } 6. Nf3 { [%eval 0.22] [%clk 1:31:52] } 6... d5 { [%eval 0.2] [%clk 1:21:16] } 7. Nbd2 { [%eval 0.16] [%clk 1:32:14] } 7... Bd6 { [%eval 0.42] [%clk 1:21:15] } 8. Bg3 { [%eval 0.35] [%clk 1:31:19] } 8... O-O { [%eval 0.3] [%clk 1:20:52] } 9. Bd3 { [%eval 0.34] [%clk 1:31:42] } 9... Re8 { [%eval 0.61] [%clk 1:20:16] } 10. O-O { [%eval 0.31] [%clk 1:32:03] } 10... Qc7 { [%eval 0.64] [%clk 1:19:39] } 11. Re1 { [%eval 0.26] [%clk 1:31:49] } 11... Bxg3 { [%eval 0.3] [%clk 1:19:03] } 12. hxg3 { [%eval 0.26] [%clk 1:32:14] } 12... e5 { [%eval 0.27] [%clk 1:17:50] } 13. dxe5 { [%eval 0.32] [%clk 1:31:45] } 13... Nxe5 { [%eval 0.31] [%clk 1:18:08] } 14. Nxe5 { [%eval 0.32] [%clk 1:31:18] } 14... Rxe5 { [%eval 0.32] [%clk 1:18:25] } 15. Rxe5 { [%eval 0.31] [%clk 1:25:17] } 15... Qxe5 { [%eval 0.29] [%clk 1:18:44] } 16. Qa4 { [%eval 0.24] [%clk 1:24:55] } 16... Bd7 { [%eval 0.31] [%clk 1:09:40] } 17. Qf4 { [%eval 0.09] [%clk 1:24:35] } 17... Qxf4 { [%eval 0.1] [%clk 1:08:22] } 18. gxf4 { [%eval 0.06] [%clk 1:24:55] } 18... Re8 { [%eval 0.08] [%clk 1:08:33] } 19. Nf3 { [%eval 0.03] [%clk 1:25:02] } 19... Ng4 { [%eval 0.32] [%clk 1:04:51] } 20. Rd1 { [%eval 0.14] [%clk 1:20:54] } 20... Ba4 { [%eval 0.16] [%clk 0:58:08] } 21. Rd2 { [%eval 0.17] [%clk 1:19:34] } 21... Bc6 { [%eval 0.16] [%clk 0:56:31] } 22. Kf1 { [%eval 0.17] [%clk 1:19:09] } 22... h6 { [%eval 0.29] [%clk 0:54:55] } 23. Re2 { [%eval 0.11] [%clk 1:14:36] } 23... Kf8 { [%eval 0.12] [%clk 0:54:29] } 24. Nd4 { [%eval 0.0] [%clk 1:14:02] } 24... Rxe2 { [%eval 0.06] [%clk 0:53:53] } 25. Kxe2 { [%eval 0.08] [%clk 1:14:01] } 25... Nf6 { [%eval 0.08] [%clk 0:50:37] } 26. Bb5 { [%eval 0.13] [%clk 1:12:42] } 26... Bxb5+? { [%eval 1.46] } { Mistake. Be8 was best. } { [%clk 0:42:11] } 27. Nxb5 { [%eval 1.41] [%clk 1:13:02] } 27... a6 { [%eval 1.28] [%clk 0:42:09] } 28. Nd6 { [%eval 1.18] [%clk 1:08:32] } 28... b6?! { [%eval 1.79] } { Inaccuracy. b5 was best. } { [%clk 0:39:51] } 29. Kd3 { [%eval 1.81] [%clk 1:08:21] } 29... g6 { [%eval 1.72] [%clk 0:37:25] } 30. Kd4 { [%eval 1.68] [%clk 1:08:12] } 30... b5 { [%eval 1.65] [%clk 0:35:05] } 31. f3? { [%eval 0.02] } { Mistake. Nb7 was best. } { [%clk 1:00:36] } 31... Ke7?? { [%eval 2.09] } { Blunder. Nh5 was best. } { [%clk 0:33:40] } 32. Kc5?? { [%eval -0.1] } { Blunder. Ke5 was best. } { [%clk 0:48:34] } 32... Nh5 { [%eval -0.09] [%clk 0:33:08] } 33. f5 { [%eval -0.19] [%clk 0:47:52] } 33... Nf4 { [%eval -0.15] [%clk 0:31:14] } 34. fxg6 { [%eval -0.17] [%clk 0:47:45] } 34... fxg6 { [%eval -0.19] [%clk 0:31:24] } 35. g3 { [%eval -0.33] [%clk 0:43:02] } 35... Nd3+ { [%eval 0.0] [%clk 0:31:12] } 36. Kxd5 { [%eval 0.0] [%clk 0:43:21] } 36... Nxb2 { [%eval 0.0] [%clk 0:31:26] } 37. Ne4 { [%eval 0.0] [%clk 0:43:36] } 37... Na4 { [%eval 0.0] [%clk 0:19:56] } 38. Kd4 { [%eval 0.0] [%clk 0:38:26] } 38... Nb6 { [%eval 0.0] [%clk 0:13:10] } 39. Nc5 { [%eval 0.0] [%clk 0:29:16] } 39... a5 { [%eval 0.04] [%clk 0:11:15] } 40. Nb3 { [%eval 0.0] [%clk 0:24:59] } 40... a4 { [%eval 0.0] [%clk 0:10:41] } 41. Nd2 { [%eval 0.0] [%clk 0:25:07] } 41... Kd6 { [%eval 0.0] [%clk 0:10:22] } 42. Ne4+ { [%eval 0.0] [%clk 0:24:28] } 42... Kc6 { [%eval 0.0] [%clk 0:08:45] } 43. Nf6 { [%eval 0.0] [%clk 0:21:43] } 43... Kd6 { [%eval 0.0] [%clk 0:08:10] } 44. Ng4 { [%eval 0.0] [%clk 0:20:19] } 44... Nd5 { [%eval 0.0] [%clk 0:06:32] } 45. Nxh6 { [%eval 0.0] [%clk 0:19:47] } 45... b4 { [%eval 0.0] [%clk 0:06:51] } 46. Nf7+ { [%eval 0.0] [%clk 0:12:29] } 46... Ke6 { [%eval 0.12] [%clk 0:05:19] } 47. Ng5+ { [%eval 0.26] [%clk 0:12:42] } 47... Kf5?? { [%eval 7.38] } { Blunder. Ke7 was best. } { [%clk 0:04:08] } 48. Kxd5 { [%eval 7.13] [%clk 0:07:57] } 48... b3? { [%eval #25] } { Checkmate is now unavoidable. bxc3 was best. } { [%clk 0:04:06] } 49. axb3 { [%eval 11.19] [%clk 0:08:12] } 49... a3 { [%eval 65.89] [%clk 0:04:30] } 50. Ne6 { [%eval 10.26] [%clk 0:08:31] } 1-0