Event: Campeonato Nacional Senior 2025
Site: Comité Olímpico Nacional, Coronado, Costa Rica
White: Araya Umana, Carlos
WhiteTitle: CM
WhiteElo: 1893
Black: Cespedes Rodriguez, Luis Michel
BlackElo: 2007
Result: 1/2-1/2
ECO: A40
Opening: Horwitz Defense
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:22:06] } 1... e6 { [%eval 0.37] [%clk 1:30:51] } 2. Bf4 { [%eval 0.1] [%clk 1:22:31] } 2... f5 { [%eval 0.46] [%clk 1:31:18] } 3. e3 { [%eval 0.42] [%clk 1:20:35] } 3... Nf6 { [%eval 0.48] [%clk 1:31:46] } 4. Be2 { [%eval 0.42] [%clk 1:20:28] } 4... Be7 { [%eval 0.46] [%clk 1:32:01] } 5. c4 { [%eval 0.43] [%clk 1:20:28] } 5... b6 { [%eval 0.67] [%clk 1:32:24] } 6. Bf3 { [%eval 0.51] [%clk 1:17:51] } 6... d5 { [%eval 0.62] [%clk 1:30:28] } 7. cxd5 { [%eval 0.73] [%clk 1:17:40] } 7... exd5 { [%eval 0.52] [%clk 1:30:10] } 8. Nc3 { [%eval 0.66] [%clk 1:17:58] } 8... O-O? { [%eval 2.25] } { Mistake. c6 was best. } { [%clk 1:29:26] } 9. Nge2?? { [%eval 0.28] } { Blunder. Bxc7 was best. } { [%clk 1:17:14] } 9... a6?? { [%eval 3.75] } { Blunder. c6 was best. } { [%clk 1:26:58] } 10. Qc2?? { [%eval 0.63] } { Blunder. Bxc7 was best. } { [%clk 1:14:42] } 10... Be6?! { [%eval 1.64] } { Inaccuracy. c6 was best. } { [%clk 1:24:07] } 11. Nc1? { [%eval 0.01] } { Mistake. Be5 was best. } { [%clk 1:06:54] } 11... c5 { [%eval 0.37] [%clk 1:16:07] } 12. dxc5 { [%eval 0.36] [%clk 1:03:15] } 12... bxc5 { [%eval 0.38] [%clk 1:16:20] } 13. O-O { [%eval 0.43] [%clk 1:03:34] } 13... Ra7?! { [%eval 1.19] } { Inaccuracy. Nc6 was best. } { [%clk 1:16:40] } 14. Rd1 { [%eval 1.11] [%clk 1:01:25] } 14... Rd7?! { [%eval 1.94] } { Inaccuracy. Nc6 was best. } { [%clk 1:16:15] } 15. Nd3 { [%eval 1.45] [%clk 0:54:38] } 15... Nc6?! { [%eval 2.53] } { Inaccuracy. Ne4 was best. } { [%clk 1:08:10] } 16. Qa4?! { [%eval 1.56] } { Inaccuracy. Nxc5 was best. } { [%clk 0:50:43] } 16... Qb6 { [%eval 1.71] [%clk 1:06:29] } 17. Rab1?? { [%eval -0.1] } { Blunder. Bg5 was best. } { [%clk 0:45:50] } 17... Rfd8?! { [%eval 0.45] } { Inaccuracy. Ne4 was best. } { [%clk 1:03:55] } 18. h3 { [%eval 0.0] [%clk 0:39:40] } 18... Ne4 { [%eval 0.0] [%clk 0:59:29] } 19. Ne5 { [%eval -0.14] [%clk 0:32:33] } 19... Nxe5 { [%eval -0.19] [%clk 0:59:33] } 20. Bxe5 { [%eval -0.22] [%clk 0:32:56] } 20... Ng5 { [%eval 0.0] [%clk 0:57:19] } 21. Ne2?! { [%eval -0.61] } { Inaccuracy. b4 was best. } { [%clk 0:24:14] } 21... Nxf3+ { [%eval -0.53] [%clk 0:56:58] } 22. gxf3 { [%eval -0.52] [%clk 0:24:37] } 22... Bf7 { [%eval -0.4] [%clk 0:56:55] } 23. b3?! { [%eval -1.32] } { Inaccuracy. Rbc1 was best. } { [%clk 0:21:58] } 23... Qh6 { [%eval -1.17] [%clk 0:50:43] } 24. Kh2 { [%eval -1.38] [%clk 0:20:08] } 24... Bh5?! { [%eval -0.33] } { Inaccuracy. d4 was best. } { [%clk 0:45:50] } 25. Qf4 { [%eval -0.48] [%clk 0:13:44] } 25... Qxf4+ { [%eval -0.24] [%clk 0:43:44] } 26. Nxf4 { [%eval -0.35] [%clk 0:14:02] } 26... Bxf3 { [%eval -0.36] [%clk 0:44:12] } 27. Rg1 { [%eval -0.45] [%clk 0:13:51] } 27... Bh4 { [%eval -0.03] [%clk 0:42:25] } 28. Rb2?? { [%eval -3.04] } { Blunder. Ne6 was best. } { [%clk 0:13:12] } 28... Re8?! { [%eval -1.89] } { Inaccuracy. Re7 was best. } { [%clk 0:42:37] } 29. Bc3? { [%eval -3.67] } { Mistake. Nd3 was best. } { [%clk 0:11:50] } 29... d4 { [%eval -3.66] [%clk 0:42:49] } 30. Rd2 { [%eval -3.69] [%clk 0:10:39] } 30... Re4 { [%eval -2.97] [%clk 0:41:41] } 31. Ng2?! { [%eval -3.89] } { Inaccuracy. Bb2 was best. } { [%clk 0:09:31] } 31... Bf6 { [%eval -3.19] [%clk 0:41:56] } 32. Kg3 { [%eval -2.79] [%clk 0:06:48] } 32... Bh5 { [%eval -3.23] [%clk 0:40:52] } 33. f3?! { [%eval -4.27] } { Inaccuracy. Rc1 was best. } { [%clk 0:05:00] } 33... Be5+ { [%eval -4.08] [%clk 0:41:05] } 34. f4 { [%eval -4.5] [%clk 0:04:17] } 34... Bf6?! { [%eval -3.24] } { Inaccuracy. Bc7 was best. } { [%clk 0:39:11] } 35. Rc1 { [%eval -3.87] [%clk 0:04:01] } 35... g5 { [%eval -3.94] [%clk 0:39:24] } 36. Ba1 { [%eval -4.09] [%clk 0:03:27] } 36... gxf4+ { [%eval -4.09] [%clk 0:39:40] } 37. exf4 { [%eval -4.16] [%clk 0:03:24] } 37... Rg7+ { [%eval -3.97] [%clk 0:37:48] } 38. Kf2 { [%eval -3.99] [%clk 0:02:50] } 38... Rc7 { [%eval -4.07] [%clk 0:33:42] } 39. Rdc2 { [%eval -4.1] [%clk 0:03:07] } 39... Be7 { [%eval -3.78] [%clk 0:31:20] } 40. b4?! { [%eval -5.2] } { Inaccuracy. Rd2 was best. } { [%clk 0:03:20] } 40... d3 { [%eval -5.21] [%clk 0:31:25] } 41. Rd2 { [%eval -5.08] [%clk 0:03:13] } 41... c4 { [%eval -4.84] [%clk 0:31:48] } 42. a3 { [%eval -5.16] [%clk 0:02:26] } 42... Bd6 { [%eval -4.72] [%clk 0:31:33] } 43. Rg1 { [%eval -5.07] [%clk 0:02:16] } 43... Kf8 { [%eval -4.78] [%clk 0:31:49] } 44. Kg3 { [%eval -5.39] [%clk 0:02:26] } 44... Be2 { [%eval -5.32] [%clk 0:32:08] } 45. Bc3 { [%eval -5.2] [%clk 0:02:43] } 45... Rce7 { [%eval -5.09] [%clk 0:32:03] } 46. Rc1 { [%eval -5.96] [%clk 0:02:16] } 46... R7e6 { [%eval -5.51] [%clk 0:32:22] } 47. a4?! { [%eval -7.81] } { Inaccuracy. Kf2 was best. } { [%clk 0:02:07] } 47... Rg6+ { [%eval -7.81] [%clk 0:32:45] } 48. Kf2 { [%eval -7.62] [%clk 0:02:08] } 48... Bxf4 { [%eval -5.89] [%clk 0:32:41] } 49. Nxf4 { [%eval -5.86] [%clk 0:02:23] } 49... Rxf4+ { [%eval -5.67] [%clk 0:33:11] } 50. Ke3 { [%eval -5.85] [%clk 0:02:35] } 50... Re4+ { [%eval -5.58] [%clk 0:33:32] } 51. Kf2 { [%eval -5.4] [%clk 0:02:55] } 51... Rh4 { [%eval -4.83] [%clk 0:33:47] } 52. Rh1 { [%eval -4.89] [%clk 0:03:04] } 52... f4?! { [%eval -3.77] } { Inaccuracy. Rf4+ was best. } { [%clk 0:33:58] } 53. b5 { [%eval -3.88] [%clk 0:03:12] } 53... axb5 { [%eval -3.79] [%clk 0:31:46] } 54. axb5 { [%eval -3.65] [%clk 0:03:35] } 54... Rh5 { [%eval -3.78] [%clk 0:31:48] } 55. Rb2?! { [%eval -4.84] } { Inaccuracy. Ra2 was best. } { [%clk 0:03:43] } 55... Rb6?? { [%eval -1.39] } { Blunder. Rhg5 was best. } { [%clk 0:31:40] } 56. Rb4 { [%eval -1.25] [%clk 0:03:29] } 56... Rbxb5?! { [%eval -0.26] } { Inaccuracy. Rc5 was best. } { [%clk 0:22:22] } 57. Rxc4 { [%eval -0.34] [%clk 0:03:41] } 57... f3 { [%eval -0.22] [%clk 0:22:01] } 58. Rc7 { [%eval -0.55] [%clk 0:03:23] } 58... Ke8?? { [%eval 3.57] } { Blunder. Rhg5 was best. } { [%clk 0:12:29] } 59. Ra1 { [%eval 3.3] [%clk 0:03:32] } 59... Kd8?? { [%eval #6] } { Checkmate is now unavoidable. Rbd5 was best. } { [%clk 0:10:24] } 60. Raa7 { [%eval #5] [%clk 0:01:27] } 60... Rbf5 { [%eval #3] [%clk 0:09:48] } 61. Rg7 { [%eval #2] [%clk 0:01:48] } 61... Rb5 { [%eval #1] [%clk 0:10:03] } 62. Rgc7 { [%eval #5] [%clk 0:02:17] } 62... Rb8 { [%eval #5] [%clk 0:10:21] } 63. Rg7 { [%eval #4] [%clk 0:02:45] } 63... Rbb5 { [%eval #1] [%clk 0:10:35] } 64. Rgc7 { [%eval #6] [%clk 0:03:13] } 1/2-1/2