Event: Round 1: Berg, George - Derek Chen
Date: 2024-06-07
White: Berg, George
WhiteElo: 1795
Black: Derek Chen
Result: 0-1
ECO: B91
Opening: Sicilian Defense: Najdorf Variation, Zagreb Variation
Variant: Standard

1. e4 { [%eval 0.15] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:55] } 2. Nf3 { [%eval 0.25] [%clk 1:31:19] } 2... d6 { [%eval 0.27] [%clk 1:31:17] } 3. d4 { [%eval 0.31] [%clk 1:31:45] } 3... cxd4 { [%eval 0.28] [%clk 1:31:40] } 4. Nxd4 { [%eval 0.26] [%clk 1:32:10] } 4... Nf6 { [%eval 0.24] [%clk 1:32:00] } 5. Nc3 { [%eval 0.2] [%clk 1:32:35] } 5... a6 { [%eval 0.29] [%clk 1:32:15] } 6. g3 { [%eval 0.17] [%clk 1:33:00] } 6... e5 { [%eval 0.21] [%clk 1:32:39] } 7. Nb3 { [%eval 0.07] [%clk 1:33:20] } 7... Be7 { [%eval 0.22] [%clk 1:32:19] } 8. Bg2 { [%eval 0.13] [%clk 1:33:34] } 8... b5 { [%eval 0.17] [%clk 1:32:36] } 9. Nd5 { [%eval 0.19] [%clk 1:31:29] } 9... Nxd5 { [%eval 0.13] [%clk 1:28:57] } 10. Qxd5 { [%eval 0.19] [%clk 1:31:53] } 10... Ra7 { [%eval 0.19] [%clk 1:29:17] } 11. Be3 { [%eval 0.18] [%clk 1:31:10] } 11... Be6 { [%eval 0.08] [%clk 1:29:35] } 12. Qd2 { [%eval 0.15] [%clk 1:31:21] } 12... Rd7 { [%eval 0.23] [%clk 1:29:56] } 13. O-O { [%eval 0.18] [%clk 1:14:20] } 13... Nc6 { [%eval 0.17] [%clk 1:23:11] } 14. Rfd1 { [%eval 0.14] [%clk 1:04:33] } 14... O-O { [%eval 0.12] [%clk 1:19:38] } 15. a4 { [%eval 0.18] [%clk 1:03:32] } 15... b4 { [%eval 0.27] [%clk 1:15:09] } 16. a5 { [%eval 0.31] [%clk 1:01:41] } 16... Qc8 { [%eval 0.33] [%clk 1:08:13] } 17. Qd3 { [%eval 0.25] [%clk 0:53:26] } 17... Nb8 { [%eval 0.25] [%clk 0:49:58] } 18. Ra4 { [%eval -0.02] [%clk 0:41:33] } 18... Bc4 { [%eval 0.0] [%clk 0:46:37] } 19. Qd2 { [%eval 0.0] [%clk 0:41:56] } 19... Nc6 { [%eval 0.21] [%clk 0:45:23] } 20. Bh3 { [%eval 0.24] [%clk 0:39:43] } 20... Be6 { [%eval 0.3] [%clk 0:45:52] } 21. Bxe6 { [%eval 0.26] [%clk 0:40:04] } 21... fxe6 { [%eval 0.31] [%clk 0:46:21] } 22. Nc5?? { [%eval -3.96] } { Blunder. c4 was best. } { [%clk 0:40:07] } 22... Rdd8?? { [%eval 0.13] } { Blunder. Nd4 was best. } { [%clk 0:45:59] } 23. Nd3? { [%eval -0.98] } { Mistake. Nb3 was best. } { [%clk 0:40:30] } 23... d5 { [%eval -0.59] [%clk 0:46:09] } 24. Bb6?? { [%eval -3.61] } { Blunder. exd5 was best. } { [%clk 0:39:50] } 24... dxe4 { [%eval -3.58] [%clk 0:44:17] } 25. Bxd8 { [%eval -3.51] [%clk 0:37:17] } 25... Rxd8 { [%eval -3.47] [%clk 0:44:36] } 26. Qe2?! { [%eval -4.42] } { Inaccuracy. Qe3 was best. } { [%clk 0:35:51] } 26... exd3 { [%eval -4.37] [%clk 0:44:50] } 27. Rxd3 { [%eval -4.33] [%clk 0:36:15] } 27... Nd4 { [%eval -4.33] [%clk 0:41:48] } 28. Qxe5 { [%eval -4.23] [%clk 0:18:40] } 28... Qxc2 { [%eval -4.37] [%clk 0:41:45] } 29. Rxd4 { [%eval -4.42] [%clk 0:18:55] } 29... Rxd4 { [%eval -4.42] [%clk 0:42:00] } 30. Qxe6+ { [%eval -4.38] [%clk 0:18:46] } 30... Kf8 { [%eval -4.35] [%clk 0:42:26] } 31. Ra1 { [%eval -4.16] [%clk 0:18:26] } 31... Rd1+ { [%eval -3.83] [%clk 0:42:35] } 32. Rxd1 { [%eval -3.73] [%clk 0:18:47] } 32... Qxd1+ { [%eval -3.74] [%clk 0:43:00] } 33. Kg2 { [%eval -3.71] [%clk 0:19:09] } 33... Qd6 { [%eval -3.83] [%clk 0:43:19] } 34. Qf5+ { [%eval -3.78] [%clk 0:12:26] } 34... Bf6 { [%eval -3.67] [%clk 0:43:06] } 35. b3 { [%eval -3.67] [%clk 0:10:36] } 35... Qc6+ { [%eval -3.56] [%clk 0:42:23] } 36. Kg1 { [%eval -3.55] [%clk 0:10:05] } 36... g6?! { [%eval -2.51] } { Inaccuracy. Qc1+ was best. } { [%clk 0:40:52] } 37. Qf4 { [%eval -2.67] [%clk 0:08:11] } 37... Qc3 { [%eval -2.67] [%clk 0:40:15] } 38. Qd6+ { [%eval -2.36] [%clk 0:06:47] } 38... Be7 { [%eval -2.44] [%clk 0:40:22] } 39. Qd5?! { [%eval -3.81] } { Inaccuracy. Qxa6 was best. } { [%clk 0:06:04] } 39... Qc8 { [%eval -3.83] [%clk 0:39:36] } 40. Kg2 { [%eval -3.94] [%clk 0:05:58] } 40... Bc5 { [%eval -3.78] [%clk 0:39:48] } 41. f3 { [%eval -4.33] [%clk 0:03:28] } 41... Be7 { [%eval -4.24] [%clk 0:39:08] } 42. Qe4 { [%eval -4.48] [%clk 0:03:20] } 42... Qb8?! { [%eval -3.22] } { Inaccuracy. Qd8 was best. } { [%clk 0:39:01] } 43. Qd4 { [%eval -3.14] [%clk 0:01:39] } 43... Qd6 { [%eval -3.36] [%clk 0:37:45] } 44. Qh8+ { [%eval -3.26] [%clk 0:01:55] } 44... Kf7 { [%eval -3.26] [%clk 0:38:14] } 45. Qxh7+ { [%eval -3.21] [%clk 0:02:15] } 45... Ke8 { [%eval -3.19] [%clk 0:38:43] } 46. Qg8+ { [%eval -3.25] [%clk 0:02:04] } 46... Kd7 { [%eval -3.33] [%clk 0:39:07] } 47. Qc4 { [%eval -3.34] [%clk 0:02:16] } 47... Qc6 { [%eval -3.25] [%clk 0:39:08] } 48. Qd4+ { [%eval -3.06] [%clk 0:01:38] } 48... Qd6 { [%eval -3.08] [%clk 0:38:57] } 49. Qa7+ { [%eval -3.53] [%clk 0:01:01] } 49... Ke8 { [%eval -3.51] [%clk 0:39:07] } 50. Qa8+ { [%eval -3.48] [%clk 0:00:43] } 50... Bd8 { [%eval -3.26] [%clk 0:39:27] } 51. Qe4+ { [%eval -3.55] [%clk 0:00:46] } 51... Kf8 { [%eval -3.52] [%clk 0:39:26] } 52. Qa8 { [%eval -3.65] [%clk 0:00:44] } 52... Qd2+ { [%eval -3.73] [%clk 0:31:49] } 53. Kh3 { [%eval -3.57] [%clk 0:00:38] } 53... Qd3 { [%eval -3.57] [%clk 0:32:06] } 54. Kg2 { [%eval -3.85] [%clk 0:00:36] } 54... Qc2+ { [%eval -3.87] [%clk 0:31:59] } 55. Kh3 { [%eval -3.78] [%clk 0:00:50] } 55... Qf5+ { [%eval -3.76] [%clk 0:32:25] } 56. Kg2 { [%eval -3.91] [%clk 0:01:13] } 56... Qxa5 { [%eval -3.68] [%clk 0:32:44] } 57. Kh3 { [%eval -4.56] [%clk 0:00:58] } 57... Kf7 { [%eval -4.58] [%clk 0:32:00] } 58. Qb8 { [%eval -5.04] [%clk 0:00:31] } 58... Be7 { [%eval -4.89] [%clk 0:31:38] } 59. g4 { [%eval -4.86] [%clk 0:00:42] } 59... Qa1 { [%eval -4.82] [%clk 0:29:56] } 60. Qf4+ { [%eval -4.74] [%clk 0:00:56] } 60... Kg7 { [%eval -4.75] [%clk 0:29:30] } 61. Qd2 { [%eval -5.01] [%clk 0:00:33] } 61... Qf1+ { [%eval -4.95] [%clk 0:26:06] } 62. Kg3 { [%eval -4.85] [%clk 0:00:59] } 62... Qg1+ { [%eval -4.73] [%clk 0:25:59] } 63. Kh3 { [%eval -4.51] [%clk 0:01:18] } 63... Qc5 { [%eval -4.72] [%clk 0:26:24] } 64. Qe2 { [%eval -4.82] [%clk 0:00:37] } 64... a5 { [%eval -4.78] [%clk 0:26:43] } 65. Qe6 { [%eval -4.92] [%clk 0:00:33] } 65... Qd6 { [%eval -4.87] [%clk 0:26:27] } 66. Qc4 { [%eval -5.14] [%clk 0:00:37] } 66... Bd8 { [%eval -5.07] [%clk 0:26:38] } 67. Qe4 { [%eval -6.45] [%clk 0:00:37] } 67... Bc7 { [%eval -6.35] [%clk 0:26:53] } 68. Qe2 { [%eval -8.43] [%clk 0:01:00] } 68... Qxh2+ { [%eval #-25] [%clk 0:26:35] } 69. Qxh2 { [%eval #-29] [%clk 0:01:25] } 69... Bxh2 { [%eval #-38] [%clk 0:27:00] } 70. Kxh2 { [%eval -10.03] [%clk 0:01:51] } 70... a4 { [%eval -8.07] [%clk 0:27:24] } 0-1