Event: Round 1: Pacheco Grateron, Jose Gregorio - Sierra Mejia, Juan Pablo
Date: 2025-05-07
White: Pacheco Grateron, Jose Gregorio
WhiteElo: 1733
Black: Sierra Mejia, Juan Pablo
BlackElo: 2098
Result: 0-1
ECO: C68
Opening: Ruy Lopez: Exchange Variation, Keres Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... e5 { [%eval 0.21] [%clk 1:30:18] } 2. Nf3 { [%eval 0.13] [%clk 1:31:19] } 2... Nc6 { [%eval 0.21] [%clk 1:30:37] } 3. Bb5 { [%eval 0.15] [%clk 1:31:20] } 3... a6 { [%eval 0.21] [%clk 1:30:26] } 4. Bxc6 { [%eval 0.0] [%clk 1:30:44] } 4... dxc6 { [%eval 0.0] [%clk 1:30:51] } 5. Nc3 { [%eval 0.0] [%clk 1:31:04] } 5... Bd6 { [%eval 0.2] [%clk 1:29:48] } 6. d4 { [%eval 0.14] [%clk 1:29:37] } 6... exd4 { [%eval 0.14] [%clk 1:27:11] } 7. Qxd4 { [%eval 0.14] [%clk 1:29:50] } 7... f6 { [%eval 0.17] [%clk 1:27:35] } 8. Be3 { [%eval 0.07] [%clk 1:25:53] } 8... Ne7 { [%eval 0.16] [%clk 1:24:48] } 9. O-O-O { [%eval 0.11] [%clk 1:25:41] } 9... Ng6 { [%eval -0.02] [%clk 1:24:47] } 10. Kb1 { [%eval 0.02] [%clk 1:20:48] } 10... Qe7 { [%eval -0.13] [%clk 1:24:35] } 11. h3 { [%eval -0.35] [%clk 1:17:52] } 11... Be6 { [%eval -0.25] [%clk 1:22:11] } 12. Rhe1?! { [%eval -0.82] } { Inaccuracy. Qd3 was best. } { [%clk 1:13:36] } 12... Qf7?! { [%eval -0.27] } { Inaccuracy. O-O was best. } { [%clk 1:21:01] } 13. Qd2 { [%eval -0.53] [%clk 1:01:17] } 13... O-O-O { [%eval -0.56] [%clk 1:18:31] } 14. Qd4 { [%eval -0.54] [%clk 0:57:18] } 14... b6 { [%eval -0.57] [%clk 1:18:48] } 15. Qa4 { [%eval -0.46] [%clk 0:57:02] } 15... Kb7 { [%eval -0.59] [%clk 1:18:38] } 16. Nd4 { [%eval -0.53] [%clk 0:55:46] } 16... b5?! { [%eval 0.11] } { Inaccuracy. Bd7 was best. } { [%clk 1:14:03] } 17. Qa5 { [%eval 0.21] [%clk 0:50:12] } 17... Ne5 { [%eval 0.19] [%clk 1:13:56] } 18. b3 { [%eval 0.21] [%clk 0:41:18] } 18... Bd7?! { [%eval 1.32] } { Inaccuracy. Qe7 was best. } { [%clk 1:07:07] } 19. Nce2?? { [%eval -0.83] } { Blunder. a4 was best. } { [%clk 0:36:00] } 19... Qe7 { [%eval -0.85] [%clk 1:05:33] } 20. Qd2 { [%eval -1.05] [%clk 0:33:53] } 20... g6?! { [%eval -0.21] } { Inaccuracy. Ba3 was best. } { [%clk 0:57:50] } 21. c3?! { [%eval -1.18] } { Inaccuracy. f4 was best. } { [%clk 0:33:02] } 21... c5 { [%eval -1.11] [%clk 0:58:06] } 22. Nc2 { [%eval -1.1] [%clk 0:31:56] } 22... c4 { [%eval -1.0] [%clk 0:53:53] } 23. Nc1 { [%eval -1.09] [%clk 0:30:59] } 23... cxb3?! { [%eval 0.0] } { Inaccuracy. Rhe8 was best. } { [%clk 0:52:48] } 24. axb3 { [%eval -0.35] [%clk 0:30:59] } 24... Be6 { [%eval -0.15] [%clk 0:52:15] } 25. Bd4 { [%eval -0.68] [%clk 0:28:31] } 25... c5 { [%eval -0.79] [%clk 0:51:42] } 26. Bxe5 { [%eval -0.75] [%clk 0:28:23] } 26... Bxe5 { [%eval -1.2] [%clk 0:51:12] } 27. Qe3 { [%eval -0.94] [%clk 0:28:24] } 27... Bc7?! { [%eval -0.24] } { Inaccuracy. Qc7 was best. } { [%clk 0:46:49] } 28. Qf3?! { [%eval -0.86] } { Inaccuracy. e5 was best. } { [%clk 0:26:22] } 28... Ka7?! { [%eval -0.1] } { Inaccuracy. Be5 was best. } { [%clk 0:46:13] } 29. Ne3 { [%eval -0.12] [%clk 0:26:02] } 29... Rhe8 { [%eval -0.05] [%clk 0:44:07] } 30. Rxd8 { [%eval -0.37] [%clk 0:25:04] } 30... Rxd8 { [%eval -0.47] [%clk 0:44:29] } 31. Rd1 { [%eval -0.69] [%clk 0:25:14] } 31... Rxd1 { [%eval -0.81] [%clk 0:44:22] } 32. Qxd1 { [%eval -0.74] [%clk 0:25:21] } 32... Be5?! { [%eval -0.14] } { Inaccuracy. f5 was best. } { [%clk 0:41:40] } 33. Kc2 { [%eval -0.21] [%clk 0:24:51] } 33... c4 { [%eval -0.03] [%clk 0:39:17] } 34. b4 { [%eval -0.14] [%clk 0:22:40] } 34... f5 { [%eval 0.0] [%clk 0:36:23] } 35. exf5 { [%eval 0.03] [%clk 0:21:40] } 35... gxf5 { [%eval 0.03] [%clk 0:36:47] } 36. Ne2 { [%eval 0.12] [%clk 0:20:16] } 36... f4? { [%eval 1.58] } { Mistake. Qd7 was best. } { [%clk 0:36:48] } 37. Nf1?? { [%eval -4.13] } { Blunder. Nxf4 was best. } { [%clk 0:18:42] } 37... Bf5+ { [%eval -4.01] [%clk 0:37:02] } 38. Kb2?? { [%eval #-13] } { Checkmate is now unavoidable. Kc1 was best. } { [%clk 0:17:09] } 38... Qxb4+ { [%eval #-12] [%clk 0:37:09] } 39. Kc1 { [%eval #-10] [%clk 0:14:24] } 39... Qe7?? { [%eval -5.5] } { Lost forced checkmate sequence. Bxc3 was best. } { [%clk 0:37:09] } 0-1