Event: Round 4: Zambrana, Osvaldo - Caceres Sandoval, Eduardo
Date: 2024-07-31
White: Zambrana, Osvaldo
WhiteTitle: GM
WhiteElo: 2408
Black: Caceres Sandoval, Eduardo
BlackElo: 1986
Result: 1-0
ECO: B94
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.15] [%clk 1:30:56] } 1... c5 { [%eval 0.25] [%clk 1:30:53] } 2. Nf3 { [%eval 0.22] [%clk 1:31:21] } 2... d6 { [%eval 0.26] [%clk 1:31:18] } 3. d4 { [%eval 0.26] [%clk 1:31:41] } 3... cxd4 { [%eval 0.31] [%clk 1:31:43] } 4. Nxd4 { [%eval 0.18] [%clk 1:32:08] } 4... Nf6 { [%eval 0.24] [%clk 1:32:03] } 5. Nc3 { [%eval 0.18] [%clk 1:32:35] } 5... a6 { [%eval 0.29] [%clk 1:32:16] } 6. Bg5 { [%eval 0.08] [%clk 1:32:56] } 6... Nbd7 { [%eval 0.19] [%clk 1:32:31] } 7. Qe2 { [%eval 0.09] [%clk 1:33:17] } 7... h6 { [%eval 0.18] [%clk 1:32:29] } 8. Bh4 { [%eval 0.25] [%clk 1:33:40] } 8... g6 { [%eval 0.26] [%clk 1:32:31] } 9. f4 { [%eval 0.33] [%clk 1:34:01] } 9... e5 { [%eval 0.35] [%clk 1:32:53] } 10. fxe5 { [%eval 0.34] [%clk 1:34:15] } 10... dxe5 { [%eval 0.3] [%clk 1:33:14] } 11. O-O-O { [%eval 0.33] [%clk 1:34:35] } 11... Qc7 { [%eval 0.08] [%clk 1:33:29] } 12. Nb3 { [%eval 0.3] [%clk 1:34:29] } 12... b5 { [%eval 0.41] [%clk 1:32:41] } 13. Nd5 { [%eval 0.01] [%clk 1:34:50] } 13... Nxd5 { [%eval 0.0] [%clk 1:32:53] } 14. exd5 { [%eval 0.01] [%clk 1:35:16] } 14... Bd6 { [%eval 0.14] [%clk 1:31:10] } 15. Qd2 { [%eval 0.0] [%clk 1:35:35] } 15... g5 { [%eval 0.25] [%clk 1:26:40] } 16. Bf2 { [%eval 0.38] [%clk 1:34:12] } 16... f5 { [%eval 0.25] [%clk 1:23:20] } 17. g4 { [%eval 0.15] [%clk 1:34:33] } 17... Nf6 { [%eval 0.14] [%clk 1:20:41] } 18. h4 { [%eval 0.11] [%clk 1:23:04] } 18... Ne4 { [%eval 0.14] [%clk 0:45:23] } 19. Qe1 { [%eval 0.31] [%clk 1:15:53] } 19... Rf8? { [%eval 1.66] } { Mistake. Nxf2 was best. } { [%clk 0:35:17] } 20. Bg1?! { [%eval 0.91] } { Inaccuracy. hxg5 was best. } { [%clk 1:07:27] } 20... Nf6 { [%eval 1.03] [%clk 0:26:29] } 21. hxg5 { [%eval 0.89] [%clk 1:07:11] } 21... hxg5 { [%eval 0.93] [%clk 0:26:51] } 22. gxf5 { [%eval 0.91] [%clk 0:57:02] } 22... Bxf5 { [%eval 0.98] [%clk 0:26:44] } 23. Bd3 { [%eval 0.89] [%clk 0:57:10] } 23... Bxd3 { [%eval 1.42] [%clk 0:12:50] } 24. Rxd3 { [%eval 1.35] [%clk 0:57:33] } 24... Qc4?! { [%eval 2.38] } { Inaccuracy. Rc8 was best. } { [%clk 0:11:53] } 25. Be3 { [%eval 1.76] [%clk 0:50:43] } 25... Nxd5? { [%eval 3.41] } { Mistake. b4 was best. } { [%clk 0:04:46] } 26. Bxg5 { [%eval 3.44] [%clk 0:46:20] } 26... Nb4 { [%eval 3.39] [%clk 0:03:35] } 27. Rd2 { [%eval 3.36] [%clk 0:46:43] } 27... Rc8 { [%eval 3.43] [%clk 0:03:31] } 28. Qd1 { [%eval 3.35] [%clk 0:46:47] } 28... Qe4 { [%eval 3.67] [%clk 0:01:34] } 29. Rhh2 { [%eval 3.48] [%clk 0:40:43] } 29... Rc6 { [%eval 3.91] [%clk 0:00:32] } 30. Kb1 { [%eval 3.9] [%clk 0:33:28] } 30... Qf5 { [%eval 3.94] [%clk 0:00:33] } 31. Rxd6 { [%eval 4.02] [%clk 0:27:18] } 31... Qxg5 { [%eval 3.84] [%clk 0:00:35] } 32. Rh1 { [%eval 3.87] [%clk 0:25:58] } 32... Rxd6 { [%eval 4.44] [%clk 0:00:31] } 33. Qxd6 { [%eval 4.51] [%clk 0:26:19] } 33... Qe7 { [%eval 4.44] [%clk 0:00:44] } 34. Qg6+?! { [%eval 3.19] } { Inaccuracy. Qb8+ was best. } { [%clk 0:26:38] } 34... Qf7 { [%eval 3.1] [%clk 0:00:51] } 35. Qe4 { [%eval 2.72] [%clk 0:26:53] } 35... Qd5 { [%eval 2.6] [%clk 0:00:52] } 36. Qg6+ { [%eval 2.4] [%clk 0:26:59] } 36... Qf7?! { [%eval 3.11] } { Inaccuracy. Kd8 was best. } { [%clk 0:01:15] } 37. Qg4 { [%eval 2.46] [%clk 0:25:41] } 37... Qc4 { [%eval 2.35] [%clk 0:00:32] } 38. Qg2? { [%eval 0.91] } { Mistake. Qh5+ was best. } { [%clk 0:17:22] } 38... Qd5 { [%eval 0.71] [%clk 0:00:45] } 39. Qh2 { [%eval 0.9] [%clk 0:16:19] } 39... Nc6?! { [%eval 1.77] } { Inaccuracy. Kd7 was best. } { [%clk 0:00:36] } 40. Qh5+ { [%eval 1.9] [%clk 0:14:41] } 40... Qf7 { [%eval 1.67] [%clk 0:00:57] } 41. Qh3 { [%eval 1.59] [%clk 0:13:21] } 41... Qf5 { [%eval 1.51] [%clk 0:01:01] } 42. Qg2 { [%eval 1.48] [%clk 0:13:41] } 42... Qf3?! { [%eval 2.32] } { Inaccuracy. e4 was best. } { [%clk 0:00:32] } 43. Qg6+ { [%eval 2.33] [%clk 0:14:08] } 43... Ke7? { [%eval 4.68] } { Mistake. Rf7 was best. } { [%clk 0:00:38] } 44. Rh7+ { [%eval 4.75] [%clk 0:14:15] } 1-0