Event: Round 2: Leif Pressman - Derek Chen
Date: 2024-02-03
White: Leif Pressman
WhiteTitle: FM
Black: Derek Chen
Result: 1-0
ECO: B94
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.2] [%clk 1:21:18] } 1... c5 { [%eval 0.33] [%clk 1:30:56] } 2. Nf3 { [%eval 0.25] [%clk 1:21:38] } 2... d6 { [%eval 0.0] [%clk 1:31:21] } 3. d4 { [%eval 0.25] [%clk 1:21:47] } 3... cxd4 { [%eval 0.13] [%clk 1:31:47] } 4. Nxd4 { [%eval 0.27] [%clk 1:22:08] } 4... Nf6 { [%eval 0.3] [%clk 1:32:12] } 5. Nc3 { [%eval 0.21] [%clk 1:22:34] } 5... a6 { [%eval 0.24] [%clk 1:32:32] } 6. Bg5 { [%eval 0.0] [%clk 1:22:50] } 6... Nbd7 { [%eval 0.18] [%clk 1:32:56] } 7. Qe2 { [%eval 0.29] [%clk 1:20:54] } 7... e6 { [%eval 0.26] [%clk 1:24:14] } 8. O-O-O { [%eval 0.42] [%clk 1:15:36] } 8... Be7 { [%eval 0.68] [%clk 1:22:52] } 9. f4 { [%eval 0.58] [%clk 1:15:29] } 9... Qc7 { [%eval 0.39] [%clk 1:23:01] } 10. g3 { [%eval 0.43] [%clk 1:15:05] } 10... b5 { [%eval 0.85] [%clk 1:20:05] } 11. Bg2 { [%eval 0.87] [%clk 1:13:32] } 11... Bb7 { [%eval 1.61] [%clk 1:20:27] } 12. Rhe1? { [%eval -0.03] } { Mistake. e5 was best. } { [%clk 1:11:19] } 12... O-O { [%eval -0.16] [%clk 1:18:54] } 13. e5 { [%eval 0.16] [%clk 1:08:44] } 13... dxe5 { [%eval 0.0] [%clk 1:18:05] } 14. fxe5 { [%eval 0.0] [%clk 1:08:45] } 14... Nd5 { [%eval 0.1] [%clk 1:16:09] } 15. Bxe7 { [%eval 0.0] [%clk 1:08:10] } 15... Nxe7 { [%eval -0.01] [%clk 1:16:20] } 16. Bxb7 { [%eval 0.0] [%clk 0:52:51] } 16... Qxb7 { [%eval 0.07] [%clk 1:16:48] } 17. Ne4 { [%eval 0.09] [%clk 0:44:53] } 17... Qc7 { [%eval 0.42] [%clk 1:14:34] } 18. Qh5 { [%eval 0.2] [%clk 0:41:46] } 18... Qxe5?? { [%eval 2.64] } { Blunder. Nd5 was best. } { [%clk 0:57:05] } 19. Ng5 { [%eval 2.64] [%clk 0:39:42] } 19... Nf6 { [%eval 2.62] [%clk 0:56:38] } 20. Qxf7+ { [%eval 2.6] [%clk 0:39:09] } 20... Rxf7 { [%eval 2.58] [%clk 0:56:48] } 21. Rxe5 { [%eval 2.59] [%clk 0:39:36] } 21... Rff8 { [%eval 2.5] [%clk 0:56:39] } 22. Ngxe6 { [%eval 2.43] [%clk 0:31:32] } 22... Rfc8 { [%eval 2.43] [%clk 0:56:34] } 23. Nf4 { [%eval 2.19] [%clk 0:21:11] } 23... Ra7 { [%eval 2.77] [%clk 0:56:07] } 24. Nde6?! { [%eval 2.09] } { Inaccuracy. Rde1 was best. } { [%clk 0:19:03] } 24... Nc6 { [%eval 1.97] [%clk 0:54:25] } 25. Rc5 { [%eval 1.96] [%clk 0:18:25] } 25... Ne4 { [%eval 1.96] [%clk 0:53:36] } 26. Rxc6 { [%eval 1.58] [%clk 0:15:18] } 26... Rxc6 { [%eval 1.75] [%clk 0:54:03] } 27. Rd8+ { [%eval 1.64] [%clk 0:15:33] } 27... Kf7 { [%eval 1.67] [%clk 0:54:29] } 28. Rd4 { [%eval 1.57] [%clk 0:15:48] } 28... Rxe6 { [%eval 1.67] [%clk 0:50:46] } 29. Nxe6 { [%eval 1.56] [%clk 0:16:13] } 29... Kxe6 { [%eval 1.55] [%clk 0:50:11] } 30. Rxe4+ { [%eval 1.51] [%clk 0:16:42] } 30... Kd5 { [%eval 1.7] [%clk 0:48:09] } 31. Rh4 { [%eval 1.72] [%clk 0:16:54] } 31... h6 { [%eval 1.73] [%clk 0:46:28] } 32. a4 { [%eval 1.7] [%clk 0:15:16] } 32... Rf7 { [%eval 1.62] [%clk 0:46:23] } 33. axb5 { [%eval 1.78] [%clk 0:15:18] } 33... axb5 { [%eval 1.77] [%clk 0:46:45] } 34. Kd2 { [%eval 1.97] [%clk 0:12:43] } 34... Rf2+ { [%eval 1.87] [%clk 0:38:51] } 35. Kc3 { [%eval 1.46] [%clk 0:12:49] } 35... Kc5 { [%eval 1.71] [%clk 0:39:18] } 36. Rh5+ { [%eval 1.56] [%clk 0:13:02] } 36... Kc6 { [%eval 1.99] [%clk 0:37:12] } 37. Kb3 { [%eval 1.46] [%clk 0:12:29] } 37... Re2 { [%eval 1.84] [%clk 0:36:34] } 38. Kc3 { [%eval 1.83] [%clk 0:08:32] } 38... Rf2 { [%eval 1.28] [%clk 0:35:08] } 39. b4 { [%eval 1.92] [%clk 0:06:00] } 39... Rg2 { [%eval 2.28] [%clk 0:30:52] } 40. Kd3 { [%eval 2.35] [%clk 0:06:09] } 40... Rf2 { [%eval 2.08] [%clk 0:31:10] } 41. c3 { [%eval 2.16] [%clk 0:05:26] } 41... Rf3+ { [%eval 2.34] [%clk 0:26:58] } 42. Kd4 { [%eval 2.45] [%clk 0:05:54] } 42... Rf2 { [%eval 2.5] [%clk 0:27:10] } 43. Ke3 { [%eval 2.48] [%clk 0:06:17] } 43... Rg2 { [%eval 3.0] [%clk 0:26:33] } 44. Kf3 { [%eval 2.46] [%clk 0:06:02] } 44... Rd2 { [%eval 2.78] [%clk 0:23:24] } 45. Rc5+ { [%eval 2.86] [%clk 0:05:31] } 45... Kb6 { [%eval 3.13] [%clk 0:22:54] } 46. h4 { [%eval 3.28] [%clk 0:05:59] } 46... Rd6 { [%eval 3.46] [%clk 0:15:49] } 47. h5 { [%eval 3.7] [%clk 0:05:14] } 47... g6 { [%eval 2.98] [%clk 0:12:44] } 48. Kg4 { [%eval 2.83] [%clk 0:03:42] } 48... gxh5+ { [%eval 3.25] [%clk 0:09:17] } 49. Kxh5 { [%eval 3.16] [%clk 0:04:08] } 49... Rd3 { [%eval 2.75] [%clk 0:09:22] } 50. Kh4 { [%eval 3.25] [%clk 0:01:54] } 50... Rd1 { [%eval 2.66] [%clk 0:06:04] } 51. g4?? { [%eval 0.07] } { Blunder. Rh5 was best. } { [%clk 0:02:22] } 51... Rh1+ { [%eval 0.06] [%clk 0:06:19] } 52. Kg3 { [%eval 0.04] [%clk 0:02:51] } 52... Rg1+ { [%eval 0.04] [%clk 0:06:00] } 53. Kf3 { [%eval 0.04] [%clk 0:03:18] } 53... Rf1+ { [%eval 0.0] [%clk 0:06:03] } 54. Kg2 { [%eval 0.02] [%clk 0:03:40] } 54... Rd1?? { [%eval 2.7] } { Blunder. Rc1 was best. } { [%clk 0:04:39] } 55. Rf5?? { [%eval 0.79] } { Blunder. Rh5 was best. } { [%clk 0:02:34] } 55... Rd6?? { [%eval 3.05] } { Blunder. Rc1 was best. } { [%clk 0:04:15] } 56. Kg3 { [%eval 3.1] [%clk 0:02:41] } 56... Kc6 { [%eval 3.79] [%clk 0:03:09] } 57. Kf4? { [%eval 1.97] } { Mistake. Kh4 was best. } { [%clk 0:01:52] } 57... Rg6? { [%eval 3.44] } { Mistake. Rd3 was best. } { [%clk 0:01:49] } 58. Rc5+ { [%eval 3.81] [%clk 0:02:12] } 58... Kb6 { [%eval 3.32] [%clk 0:02:18] } 59. Kg3 { [%eval 3.73] [%clk 0:01:45] } 59... Rf6 { [%eval 4.07] [%clk 0:02:12] } 60. c4?? { [%eval 0.07] } { Blunder. Kh4 was best. } { [%clk 0:01:23] } 60... bxc4 { [%eval 0.05] [%clk 0:02:38] } 61. Rxc4 { [%eval 0.02] [%clk 0:01:51] } 61... Kb5 { [%eval 0.06] [%clk 0:02:40] } 62. Rd4 { [%eval 0.11] [%clk 0:01:36] } 62... Ra6 { [%eval 0.18] [%clk 0:01:27] } 63. Kh4 { [%eval 0.05] [%clk 0:01:28] } 63... Ra1 { [%eval 0.05] [%clk 0:01:53] } 64. Kh5 { [%eval 0.05] [%clk 0:01:31] } 64... Rh1+ { [%eval 0.04] [%clk 0:02:18] } 65. Kg6 { [%eval 0.08] [%clk 0:02:00] } 65... Rh4 { [%eval 0.04] [%clk 0:02:30] } 66. Rf4 { [%eval 0.07] [%clk 0:01:14] } 66... Ka4 { [%eval 0.04] [%clk 0:02:41] } 67. Kf5 { [%eval 0.06] [%clk 0:01:25] } 67... Kb5 { [%eval 0.04] [%clk 0:02:43] } 68. Re4 { [%eval 0.05] [%clk 0:01:47] } 68... Ka4 { [%eval 0.03] [%clk 0:02:55] } 69. Rf4 { [%eval 0.04] [%clk 0:01:28] } 69... Kb5 { [%eval 0.05] [%clk 0:03:16] } 70. Re4 { [%eval 0.05] [%clk 0:01:00] } 70... Ka4 { [%eval 0.08] [%clk 0:03:40] } 71. Ke5 { [%eval 0.02] [%clk 0:01:13] } 71... Kb5 { [%eval 0.03] [%clk 0:03:53] } 72. Kf4 { [%eval 0.04] [%clk 0:01:32] } 72... Rh1 { [%eval 0.04] [%clk 0:03:42] } 73. Rd4 { [%eval 0.04] [%clk 0:00:42] } 73... Ka4 { [%eval 0.02] [%clk 0:03:26] } 74. Kg3 { [%eval 0.0] [%clk 0:01:02] } 74... Kb5 { [%eval 0.05] [%clk 0:02:55] } 75. Re4 { [%eval 0.06] [%clk 0:01:21] } 75... Ka4 { [%eval 0.02] [%clk 0:03:18] } 76. Kg2 { [%eval 0.06] [%clk 0:01:27] } 76... Rh4 { [%eval 0.05] [%clk 0:03:33] } 77. Kf3 { [%eval 0.02] [%clk 0:01:32] } 77... Kb5 { [%eval 0.16] [%clk 0:02:06] } 78. Kf4 { [%eval 0.02] [%clk 0:01:47] } 78... Rh1 { [%eval 0.0] [%clk 0:01:59] } 79. Kf5 { [%eval 0.03] [%clk 0:02:01] } 79... Rh4 { [%eval 0.02] [%clk 0:01:26] } 80. Rf4 { [%eval 0.05] [%clk 0:01:50] } 80... Ka4 { [%eval 0.04] [%clk 0:01:23] } 81. Re4 { [%eval 0.08] [%clk 0:01:42] } 81... Rh1 { [%eval 0.03] [%clk 0:01:26] } 82. Ke6 { [%eval 0.06] [%clk 0:01:15] } 82... Rh4 { [%eval 0.07] [%clk 0:01:31] } 83. Kd5 { [%eval 0.04] [%clk 0:01:32] } 83... Rh1?? { [%eval 5.25] } { Blunder. Kb5 was best. } { [%clk 0:01:40] } 84. Kc5 { [%eval 5.1] [%clk 0:01:28] } 84... Rb1 { [%eval 5.1] [%clk 0:01:04] } 85. Rc4?? { [%eval 0.06] } { Blunder. Kc6 was best. } { [%clk 0:01:06] } 85... Rb2?? { [%eval 5.33] } { Blunder. Re1 was best. } { [%clk 0:01:00] } 86. Rc1 { [%eval 4.98] [%clk 0:01:10] } 86... Rg2 { [%eval 5.23] [%clk 0:01:21] } 87. b5 { [%eval 5.2] [%clk 0:00:54] } 87... h5 { [%eval 5.9] [%clk 0:00:45] } 88. Ra1+ { [%eval 5.07] [%clk 0:01:10] } 88... Kb3 { [%eval 5.03] [%clk 0:01:14] } 89. gxh5 { [%eval 5.17] [%clk 0:01:29] } 89... Rg5+ { [%eval 5.16] [%clk 0:01:41] } 90. Kc6 { [%eval 5.1] [%clk 0:01:42] } 90... Rxh5 { [%eval 4.99] [%clk 0:02:09] } 91. b6 { [%eval 4.85] [%clk 0:02:02] } 91... Rh6+ { [%eval 4.93] [%clk 0:02:38] } 92. Kb5 { [%eval 4.98] [%clk 0:02:15] } 92... Rh5+ { [%eval 4.94] [%clk 0:02:57] } 93. Ka6 { [%eval 5.1] [%clk 0:02:37] } 1-0