Event: Round 6: Osvaldo Zambrana - Luis Ernesto Quesada Perez
Date: 2023-05-19
White: Osvaldo Zambrana
WhiteTitle: GM
Black: Luis Ernesto Quesada Perez
BlackTitle: GM
Result: 1/2-1/2
ECO: B76
Opening: Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:20:16] } 1... c5 { [%eval 0.32] [%clk 1:30:48] } 2. Nf3 { [%eval 0.0] [%clk 1:20:31] } 2... d6 { [%eval 0.0] [%clk 1:31:15] } 3. d4 { [%eval 0.25] [%clk 1:20:54] } 3... cxd4 { [%eval 0.13] [%clk 1:31:39] } 4. Nxd4 { [%eval 0.27] [%clk 1:21:19] } 4... Nf6 { [%eval 0.3] [%clk 1:32:03] } 5. Nc3 { [%eval 0.21] [%clk 1:21:33] } 5... g6?! { [%eval 0.79] } { Inaccuracy. a6 was best. } { [%clk 1:32:29] } 6. Be3 { [%eval 0.46] [%clk 1:21:10] } 6... Bg7 { [%eval 0.58] [%clk 1:32:54] } 7. Qd2 { [%eval 0.27] [%clk 1:20:00] } 7... Nc6 { [%eval 0.68] [%clk 1:33:09] } 8. f3 { [%eval 1.3] [%clk 1:20:19] } 8... O-O { [%eval 0.83] } 9. O-O-O { [%eval 0.65] [%clk 1:19:59] } 9... d5 { [%eval 0.73] [%clk 1:33:56] } 10. exd5 { [%eval 0.68] [%clk 1:20:01] } 10... Nxd5 { [%eval 0.89] [%clk 1:34:19] } 11. Nxc6 { [%eval 0.74] } 11... bxc6 { [%eval 1.04] [%clk 1:34:44] } 12. Bd4 { [%eval 0.91] [%clk 1:20:40] } 12... e5 { [%eval 1.04] [%clk 1:35:09] } 13. Bc5 { [%eval 1.16] [%clk 1:21:04] } 13... Re8 { [%eval 1.12] [%clk 1:35:35] } 14. Ne4 { [%eval 0.76] [%clk 1:20:57] } 14... Qc7 { [%eval 0.98] } 15. Bc4 { [%eval 0.53] [%clk 1:20:30] } 15... Rd8 { [%eval 0.71] [%clk 1:34:55] } 16. g4 { [%eval 0.79] } 16... Be6 { [%eval 0.77] [%clk 1:26:28] } 17. Qe1 { [%eval 0.8] [%clk 1:16:41] } 17... h6 { [%eval 0.56] [%clk 1:24:50] } 18. h4 { [%eval 0.75] [%clk 1:15:24] } 18... f5 { [%eval 0.28] [%clk 1:24:06] } 19. gxf5 { [%eval 0.13] [%clk 1:13:36] } 19... gxf5 { [%eval 0.31] [%clk 1:22:54] } 20. Ng3 { [%eval 0.26] [%clk 1:12:52] } 20... Qf7 { [%eval 0.04] [%clk 1:22:56] } 21. Qa5 { [%eval 0.0] [%clk 1:07:31] } 21... Kh7 { [%eval 0.35] [%clk 1:22:25] } 22. Bb3 { [%eval 0.15] [%clk 1:06:30] } 22... Bf6?! { [%eval 1.11] } { Inaccuracy. Rd7 was best. } { [%clk 1:14:58] } 23. Qa6 { [%eval 1.19] [%clk 1:03:36] } 23... Rg8?? { [%eval 3.61] } { Blunder. Rd7 was best. } { [%clk 1:09:47] } 24. Nxf5 { [%eval 3.66] [%clk 0:51:39] } 24... Bxf5 { [%eval 3.5] [%clk 1:08:39] } 25. Qxc6 { [%eval 3.18] [%clk 0:52:04] } 25... Rac8 { [%eval 3.69] [%clk 0:54:26] } 26. Qxd5 { [%eval 3.28] [%clk 0:51:26] } 26... Qxd5 { [%eval 3.03] [%clk 0:52:19] } 27. Rxd5 { [%eval 3.82] } 27... Rg2 { [%eval 3.63] [%clk 0:52:47] } 28. c3 { [%eval 3.87] [%clk 0:46:54] } 28... Rg3?! { [%eval 5.01] } { Inaccuracy. Be6 was best. } { [%clk 0:50:19] } 29. Bxa7 { [%eval 4.66] [%clk 0:43:24] } 29... Rxf3 { [%eval 5.32] [%clk 0:50:41] } 30. Bd1 { [%eval 4.99] [%clk 0:42:05] } 30... Rf4 { [%eval 4.96] [%clk 0:46:21] } 31. Be3 { [%eval 4.84] [%clk 0:40:41] } 31... Rxh4 { [%eval 4.92] [%clk 0:46:46] } 32. Rxh4 { [%eval 4.91] [%clk 0:40:45] } 32... Bxh4 { [%eval 4.77] [%clk 0:47:15] } 33. Rxe5 { [%eval 5.18] [%clk 0:41:02] } 33... Kg6 { [%eval 5.24] [%clk 0:47:16] } 34. Bxh6?! { [%eval 3.64] } { Inaccuracy. a4 was best. } 34... Bf6 { [%eval 3.66] [%clk 0:47:25] } 35. Ra5 { [%eval 3.5] } 35... Rh8 { [%eval 3.23] } 36. Bh5+ { [%eval 3.34] [%clk 0:32:37] } 36... Kxh5 { [%eval 3.32] [%clk 0:47:27] } 37. Rxf5+ { [%eval 3.58] [%clk 0:33:04] } 37... Kg6 { [%eval 3.38] [%clk 0:47:57] } 38. Rxf6+ { [%eval 3.5] [%clk 0:33:13] } 38... Kxf6 { [%eval 3.43] } 39. Be3 { [%eval 3.45] [%clk 0:33:29] } 39... Ra8 { [%eval 3.8] [%clk 0:47:40] } 40. Kb1 { [%eval 3.52] [%clk 0:31:02] } 40... Ke5 { [%eval 3.28] [%clk 0:48:05] } 41. b3? { [%eval 1.55] } { Mistake. a3 was best. } { [%clk 0:28:58] } 41... Ke4 { [%eval 1.95] [%clk 0:48:30] } 42. Bd4 { [%eval 1.67] [%clk 0:29:23] } 42... Rg8 { [%eval 1.77] [%clk 0:47:13] } 43. a4 { [%eval 1.73] [%clk 0:27:21] } 43... Rg2 { [%eval 1.83] [%clk 0:47:34] } 44. a5 { [%eval 1.67] [%clk 0:27:36] } 44... Kd5 { [%eval 1.73] } 45. a6 { [%eval 1.7] [%clk 0:27:50] } 45... Kc6 { [%eval 1.9] } 46. a7? { [%eval 0.53] } { Mistake. b4 was best. } { [%clk 0:27:07] } 46... Kb7 { [%eval 0.78] [%clk 0:44:27] } 47. b4 { [%eval 0.67] [%clk 0:27:28] } 47... Rh2 { [%eval 0.51] [%clk 0:40:22] } 48. b5 { [%eval 0.53] [%clk 0:27:37] } 48... Rh5 { [%eval 0.48] } 49. b6 { [%eval 1.01] [%clk 0:27:53] } 49... Rh2 { [%eval 0.54] [%clk 0:40:40] } 50. Kc1 { [%eval 0.46] [%clk 0:28:41] } 50... Rg2 { [%eval 0.33] [%clk 0:40:10] } 51. Kd1 { [%eval 0.3] [%clk 0:29:05] } 51... Rh2 { [%eval 0.57] [%clk 0:40:10] } 52. Be3 { [%eval 0.39] [%clk 0:29:05] } 52... Ka8? { [%eval 1.66] } { Mistake. Ra2 was best. } { [%clk 0:40:18] } 53. c4 { [%eval 1.25] [%clk 0:29:20] } 53... Rg2?! { [%eval 2.01] } { Inaccuracy. Rb2 was best. } { [%clk 0:36:33] } 54. c5? { [%eval 0.74] } { Mistake. Bd2 was best. } { [%clk 0:29:36] } 54... Rh2 { [%eval 0.96] [%clk 0:36:46] } 55. Bf4?! { [%eval 0.36] } { Inaccuracy. Ke1 was best. } { [%clk 0:27:55] } 55... Ra2?! { [%eval 1.18] } { Inaccuracy. Rb2 was best. } { [%clk 0:36:27] } 56. Bd2 { [%eval 1.0] [%clk 0:22:37] } 56... Rb2 { [%eval 1.18] [%clk 0:36:13] } 57. Ke1 { [%eval 1.89] [%clk 0:22:51] } 57... Ra2 { [%eval 0.3] [%clk 0:36:33] } 58. Be3 { [%eval 1.2] [%clk 0:23:05] } 58... Rc2 { [%eval 1.37] [%clk 0:36:56] } 59. Kf1 { [%eval 1.45] [%clk 0:22:56] } 59... Rb2 { [%eval 0.69] [%clk 0:37:16] } 60. Bf2 { [%eval 0.74] [%clk 0:23:19] } 60... Rc2 { [%eval 1.34] [%clk 0:37:22] } 61. Kg2 { [%eval 1.21] [%clk 0:23:22] } 61... Rc3 { [%eval 1.22] [%clk 0:37:51] } 62. Bd4 { [%eval 1.16] [%clk 0:23:12] } 62... Rd3 { [%eval 1.53] [%clk 0:38:09] } 63. Be5 { [%eval 1.15] [%clk 0:22:54] } 63... Rd5 { [%eval 1.89] [%clk 0:38:09] } 64. Bd6 { [%eval 1.71] [%clk 0:23:21] } 64... Rd3 { [%eval 2.11] [%clk 0:38:38] } 65. Kf2 { [%eval 2.13] [%clk 0:23:40] } 65... Rc3 { [%eval 1.51] [%clk 0:39:02] } 66. Ke2 { [%eval 2.13] [%clk 0:24:05] } 66... Rb3 { [%eval 1.4] [%clk 0:39:27] } 67. Kd2 { [%eval 1.3] [%clk 0:24:07] } 67... Rf3 { [%eval 1.35] [%clk 0:39:46] } 68. Be5 { [%eval 1.46] [%clk 0:24:22] } 68... Rb3 { [%eval 1.67] [%clk 0:40:07] } 69. Bd4 { [%eval 1.51] [%clk 0:24:06] } 69... Rb4 { [%eval 1.04] [%clk 0:36:06] } 70. Kc3 { [%eval 1.28] [%clk 0:23:48] } 70... Rb1 { [%eval 1.0] [%clk 0:36:15] } 71. Kc4 { [%eval 0.9] [%clk 0:24:04] } 71... Rc1+ { [%eval 1.2] [%clk 0:36:25] } 72. Kd5 { [%eval 1.07] [%clk 0:21:15] } 72... Rb1 { [%eval 0.82] [%clk 0:35:38] } 73. Bc3 { [%eval 0.65] [%clk 0:09:32] } 73... Rb3 { [%eval 0.84] [%clk 0:35:28] } 74. Kc4 { [%eval 0.95] [%clk 0:09:15] } 74... Rb1 { [%eval 1.0] [%clk 0:35:57] } 75. Bb4 { [%eval 1.54] [%clk 0:09:36] } 75... Rd1 { [%eval 0.77] [%clk 0:36:00] } 76. Ba3 { [%eval 1.32] [%clk 0:07:25] } 76... Ra1 { [%eval 0.8] [%clk 0:35:47] } 77. Bb2 { [%eval 0.78] [%clk 0:07:41] } 77... Rb1 { [%eval 0.81] [%clk 0:36:10] } 78. Kb3 { [%eval 0.82] [%clk 0:07:27] } 78... Rd1 { [%eval 0.84] [%clk 0:36:19] } 79. Bc3 { [%eval 0.85] [%clk 0:07:17] } 79... Rb1+ { [%eval 0.99] [%clk 0:36:38] } 80. Kc4 { [%eval 0.87] [%clk 0:07:36] } 80... Rc1 { [%eval 0.81] [%clk 0:37:01] } 81. Kd3 { [%eval 0.91] [%clk 0:07:48] } 81... Rd1+ { [%eval 0.95] [%clk 0:37:21] } 82. Ke4 { [%eval 1.08] [%clk 0:08:09] } 82... Rc1 { [%eval 0.68] [%clk 0:37:38] } 83. Bd4 { [%eval 0.83] [%clk 0:04:46] } 83... Rc4 { [%eval 0.59] [%clk 0:37:44] } 84. Kd3 { [%eval 0.63] [%clk 0:04:33] } 84... Rc1 { [%eval 0.84] [%clk 0:38:09] } 85. Be3 { [%eval 0.84] [%clk 0:04:52] } 85... Rb1 { [%eval 0.74] [%clk 0:38:12] } 86. Kc2 { [%eval 1.53] [%clk 0:04:38] } 86... Rb4 { [%eval 0.95] [%clk 0:38:35] } 87. Bf2 { [%eval 0.81] [%clk 0:03:28] } 87... Rb5 { [%eval 0.73] [%clk 0:38:46] } 88. Kc3 { [%eval 1.24] [%clk 0:03:44] } 88... Rb1 { [%eval 0.7] [%clk 0:39:11] } 89. Be3 { [%eval 1.02] [%clk 0:04:03] } 89... Re1 { [%eval 0.93] [%clk 0:39:35] } 90. Kd3 { [%eval 0.63] [%clk 0:02:12] } 90... Rd1+ { [%eval 0.82] [%clk 0:39:52] } 91. Kc2 { [%eval 0.5] [%clk 0:01:31] } 91... Re1 { [%eval 0.78] [%clk 0:40:11] } 92. b7+?! { [%eval 0.0] } { Inaccuracy. Kd3 was best. } { [%clk 0:01:48] } 92... Kxa7 { [%eval 0.1] [%clk 0:40:26] } 93. Kd2 { [%eval 0.0] [%clk 0:01:31] } 93... Rxe3 { [%eval 0.0] [%clk 0:36:05] } 94. Kxe3 { [%eval 0.0] [%clk 0:01:56] } 94... Kxb7 { [%eval 0.0] [%clk 0:34:25] } 95. c6+ { [%eval 0.0] [%clk 0:02:23] } 95... Kc7 { [%eval 0.0] [%clk 0:34:24] } 96. Kd4 { [%eval 0.0] [%clk 0:02:43] } 96... Kd6 { [%eval 0.0] } 97. c7 { [%eval 0.0] [%clk 0:03:08] } 97... Kd7 { [%eval 0.0] } 98. Kc5 { [%eval 0.0] [%clk 0:03:33] } 98... Kxc7 { [%eval 0.0] [%clk 0:35:42] } 1/2-1/2