Event: Round 6: Mayta Aiza, Maveric - Zambrana, Osvaldo
Date: 2025-01-31
White: Mayta Aiza, Maveric
WhiteElo: 2146
Black: Zambrana, Osvaldo
BlackTitle: GM
BlackElo: 2398
Result: 1/2-1/2
ECO: B26
Opening: Sicilian Defense: Closed
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:23:33] } 1... c5 { [%eval 0.25] [%clk 1:28:42] } 2. Nc3 { [%eval 0.13] [%clk 1:23:57] } 2... Nc6 { [%eval 0.23] [%clk 1:28:43] } 3. g3 { [%eval 0.0] [%clk 1:24:22] } 3... g6 { [%eval 0.0] [%clk 1:29:05] } 4. Bg2 { [%eval -0.07] [%clk 1:24:48] } 4... Bg7 { [%eval -0.01] [%clk 1:29:26] } 5. d3 { [%eval 0.0] [%clk 1:25:14] } 5... d6 { [%eval 0.0] [%clk 1:28:19] } 6. Be3 { [%eval -0.22] [%clk 1:25:38] } 6... Nf6 { [%eval -0.07] [%clk 1:28:43] } 7. h3 { [%eval -0.19] [%clk 1:26:03] } 7... O-O { [%eval 0.0] [%clk 1:28:43] } 8. Qd2 { [%eval -0.22] [%clk 1:26:28] } 8... Rb8 { [%eval -0.15] [%clk 1:27:38] } 9. a4 { [%eval -0.16] [%clk 1:26:36] } 9... Nd4 { [%eval -0.14] [%clk 1:25:47] } 10. Nge2 { [%eval -0.14] [%clk 1:21:09] } 10... e5 { [%eval -0.05] [%clk 1:25:49] } 11. f4 { [%eval -0.46] [%clk 1:21:36] } 11... a6?! { [%eval 0.35] } { Inaccuracy. Nh5 was best. } { [%clk 1:24:55] } 12. a5?! { [%eval -0.66] } { Inaccuracy. f5 was best. } { [%clk 1:20:40] } 12... Ne8?! { [%eval 0.22] } { Inaccuracy. Nh5 was best. } { [%clk 1:16:46] } 13. O-O { [%eval 0.17] [%clk 1:18:44] } 13... Nc7 { [%eval 0.38] [%clk 1:15:46] } 14. Rf2 { [%eval 0.29] [%clk 1:16:18] } 14... exf4 { [%eval 0.36] [%clk 1:10:13] } 15. Nxf4 { [%eval 0.39] [%clk 1:16:05] } 15... Be6 { [%eval 0.62] [%clk 1:10:17] } 16. Raf1 { [%eval 0.63] [%clk 1:15:48] } 16... Qd7 { [%eval 0.89] [%clk 1:10:01] } 17. g4 { [%eval 0.51] [%clk 1:11:51] } 17... Nc6?! { [%eval 1.23] } { Inaccuracy. b5 was best. } { [%clk 1:01:01] } 18. Nce2?! { [%eval 0.5] } { Inaccuracy. Nfd5 was best. } { [%clk 1:04:40] } 18... Nb5? { [%eval 1.7] } { Mistake. b6 was best. } { [%clk 0:40:20] } 19. Ng3 { [%eval 1.44] [%clk 0:54:58] } 19... Be5 { [%eval 1.64] [%clk 0:34:46] } 20. Nfe2?! { [%eval 0.69] } { Inaccuracy. c3 was best. } { [%clk 0:48:52] } 20... f6?! { [%eval 1.42] } { Inaccuracy. Nbd4 was best. } { [%clk 0:26:56] } 21. Nf4 { [%eval 1.57] [%clk 0:39:34] } 21... Nbd4 { [%eval 1.45] [%clk 0:19:02] } 22. Qe1? { [%eval 0.0] } { Mistake. c3 was best. } { [%clk 0:34:13] } 22... Bf7?? { [%eval 2.01] } { Blunder. Nb4 was best. } { [%clk 0:18:37] } 23. Qd1?! { [%eval 0.95] } { Inaccuracy. c3 was best. } { [%clk 0:27:18] } 23... Nxa5 { [%eval 1.18] [%clk 0:11:15] } 24. h4?? { [%eval -0.6] } { Blunder. c3 was best. } { [%clk 0:27:44] } 24... Nac6 { [%eval -0.53] [%clk 0:11:16] } 25. Bh3 { [%eval -0.45] [%clk 0:27:07] } 25... Qd8?! { [%eval 0.3] } { Inaccuracy. g5 was best. } { [%clk 0:08:24] } 26. c3 { [%eval 0.36] [%clk 0:27:12] } 26... Ne6?! { [%eval 0.93] } { Inaccuracy. Bb3 was best. } { [%clk 0:08:45] } 27. Nge2 { [%eval 0.93] [%clk 0:27:31] } 27... Nxf4 { [%eval 1.01] [%clk 0:07:44] } 28. Nxf4 { [%eval 1.2] [%clk 0:27:22] } 28... Qb6?! { [%eval 2.16] } { Inaccuracy. Qe7 was best. } { [%clk 0:07:33] } 29. Bg2? { [%eval 0.92] } { Mistake. g5 was best. } { [%clk 0:26:20] } 29... Qb3?! { [%eval 1.7] } { Inaccuracy. Bb3 was best. } { [%clk 0:06:27] } 30. Qd2 { [%eval 1.6] [%clk 0:26:16] } 30... Qb6?! { [%eval 2.74] } { Inaccuracy. Na5 was best. } { [%clk 0:03:57] } 31. Ne2 { [%eval 2.51] [%clk 0:26:34] } 31... Na5 { [%eval 3.01] [%clk 0:02:57] } 32. Bh6 { [%eval 2.71] [%clk 0:26:13] } 32... d5 { [%eval 2.87] [%clk 0:02:40] } 33. exd5 { [%eval 2.9] [%clk 0:25:47] } 33... Rfe8 { [%eval 3.43] [%clk 0:02:40] } 34. Bf4 { [%eval 3.29] [%clk 0:25:39] } 34... Nb3 { [%eval 3.49] [%clk 0:02:39] } 35. Qc2 { [%eval 3.42] [%clk 0:26:01] } 35... c4 { [%eval 3.85] [%clk 0:02:17] } 36. dxc4 { [%eval 3.18] [%clk 0:25:30] } 36... Bxf4 { [%eval 3.19] [%clk 0:02:24] } 37. Nxf4 { [%eval 3.15] [%clk 0:25:55] } 37... Re3 { [%eval 3.29] [%clk 0:02:37] } 38. Kh1 { [%eval 3.21] [%clk 0:25:36] } 38... Rbe8 { [%eval 3.4] [%clk 0:03:05] } 39. Nh3? { [%eval 1.61] } { Mistake. d6 was best. } { [%clk 0:25:30] } 39... Re1 { [%eval 1.54] [%clk 0:01:26] } 40. Ng1 { [%eval 1.28] [%clk 0:25:05] } 40... Rxf1 { [%eval 1.29] [%clk 0:00:44] } 41. Rxf1 { [%eval 1.46] [%clk 0:25:33] } 41... a5 { [%eval 1.38] [%clk 0:29:54] } 42. Qf2 { [%eval 1.36] [%clk 0:53:41] } 42... Qxf2 { [%eval 1.3] [%clk 0:29:53] } 43. Rxf2 { [%eval 1.2] [%clk 0:54:09] } 43... Kg7 { [%eval 1.27] [%clk 0:30:10] } 44. Nf3 { [%eval 1.37] [%clk 0:51:34] } 44... a4 { [%eval 1.2] [%clk 0:25:57] } 45. Nd4 { [%eval 0.66] [%clk 0:47:36] } 45... Nc5 { [%eval 0.65] [%clk 0:26:24] } 46. Kh2 { [%eval 0.5] [%clk 0:47:37] } 46... Re3 { [%eval 0.87] [%clk 0:22:32] } 47. Nb5?! { [%eval 0.25] } { Inaccuracy. g5 was best. } { [%clk 0:42:20] } 47... Be8 { [%eval 0.29] [%clk 0:20:06] } 48. Nd4 { [%eval 0.01] [%clk 0:32:23] } 48... Bd7 { [%eval -0.02] [%clk 0:20:24] } 49. Nc2 { [%eval -0.17] [%clk 0:32:42] } 49... Rd3 { [%eval 0.09] [%clk 0:20:08] } 50. Bf3 { [%eval 0.12] [%clk 0:32:08] } 50... Kf7 { [%eval 0.41] [%clk 0:09:06] } 51. Kg2 { [%eval 0.03] [%clk 0:32:16] } 51... Ke7 { [%eval 0.01] [%clk 0:09:27] } 52. Nb4 { [%eval 0.03] [%clk 0:31:23] } 52... Re3 { [%eval 0.14] [%clk 0:09:26] } 53. Nc2 { [%eval 0.03] [%clk 0:31:17] } 53... Re5 { [%eval 0.0] [%clk 0:09:05] } 54. Rd2 { [%eval -0.02] [%clk 0:31:31] } 54... Kd6 { [%eval 0.0] [%clk 0:09:20] } 55. Kf2 { [%eval 0.0] [%clk 0:30:46] } 55... Bxg4 { [%eval 0.0] [%clk 0:03:13] } 56. Bxg4 { [%eval 0.0] [%clk 0:29:22] } 56... Ne4+ { [%eval 0.04] [%clk 0:03:31] } 57. Ke3 { [%eval 0.09] [%clk 0:29:49] } 57... Nxd2+ { [%eval 0.27] [%clk 0:03:57] } 58. Kxd2 { [%eval 0.24] [%clk 0:30:03] } 58... Re4 { [%eval 0.31] [%clk 0:04:24] } 59. Ne3 { [%eval -0.17] [%clk 0:30:07] } 59... f5 { [%eval 0.0] [%clk 0:04:44] } 60. Kd3 { [%eval 0.0] [%clk 0:29:20] } 60... Rxe3+ { [%eval 0.0] [%clk 0:03:57] } 61. Kxe3 { [%eval 0.0] [%clk 0:29:44] } 61... fxg4 { [%eval 0.0] [%clk 0:04:22] } 62. Kf4 { [%eval 0.0] [%clk 0:30:06] } 62... h5 { [%eval 0.0] [%clk 0:03:34] } 63. Ke4 { [%eval 0.0] [%clk 0:30:25] } 63... Kc5 { [%eval 0.0] [%clk 0:00:57] } 64. Kf4 { [%eval 0.0] [%clk 0:30:50] } 64... Kd6 { [%eval 0.0] [%clk 0:00:59] } 65. Ke4 { [%eval 0.0] [%clk 0:31:12] } 65... Kc5 { [%clk 0:01:14] } 66. Kf4 { [%clk 0:31:38] } 66... Kd6 { [%clk 0:01:37] } 67. Ke4 { [%clk 0:30:54] } 1/2-1/2