Event: Round 4: Bobby Cheng - Alexis Tahay
Date: 2022-08-22
White: Bobby Cheng
Black: Alexis Tahay
Result: 1-0
ECO: A46
Opening: Indian Defense: Knights Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:57] } 1... Nf6 { [%eval 0.23] [%clk 1:30:49] } 2. Nf3 { [%eval 0.12] [%clk 1:31:19] } 2... e6 { [%eval 0.38] [%clk 1:30:18] } 3. g3 { [%eval 0.14] [%clk 1:31:40] } 3... d5 { [%eval 0.23] [%clk 1:30:18] } 4. Bg2 { [%eval 0.0] [%clk 1:31:52] } 4... b5 { [%eval 0.24] [%clk 1:30:45] } 5. O-O { [%eval 0.13] [%clk 1:27:25] } 5... Nbd7?! { [%eval 0.74] } { Inaccuracy. c5 was best. } { [%clk 1:30:32] } 6. Bg5?! { [%eval 0.11] } { Inaccuracy. a4 was best. } { [%clk 1:15:00] } 6... Be7 { [%eval 0.29] [%clk 1:26:35] } 7. a4 { [%eval -0.03] [%clk 1:10:24] } 7... b4 { [%eval 0.05] [%clk 1:25:38] } 8. c4 { [%eval 0.0] [%clk 1:09:25] } 8... bxc3 { [%eval -0.03] [%clk 1:25:38] } 9. Nxc3 { [%eval -0.08] [%clk 1:09:24] } 9... a5 { [%eval 0.31] [%clk 1:22:42] } 10. Rc1 { [%eval 0.32] [%clk 1:06:19] } 10... c6 { [%eval 0.37] [%clk 1:22:39] } 11. Qc2?! { [%eval -0.34] } { Inaccuracy. e4 was best. } { [%clk 0:55:56] } 11... O-O { [%eval -0.31] [%clk 1:19:43] } 12. Rfe1 { [%eval -0.64] [%clk 0:55:26] } 12... Ba6 { [%eval -0.33] [%clk 1:14:03] } 13. e4 { [%eval -0.33] [%clk 0:49:29] } 13... Rb8?! { [%eval 0.68] } { Inaccuracy. h6 was best. } { [%clk 4:15:55] } 14. Bf4 { [%eval 0.22] [%clk 0:39:19] } 14... Rb4 { [%eval 0.3] [%clk 0:54:40] } 15. e5 { [%eval 0.43] [%clk 0:39:40] } 15... Ne8 { [%eval 0.61] [%clk 0:54:45] } 16. b3?! { [%eval -0.13] } { Inaccuracy. Bd2 was best. } { [%clk 0:38:38] } 16... c5 { [%eval 0.4] [%clk 0:48:33] } 17. Be3 { [%eval 0.0] [%clk 0:33:38] } 17... Qb8?? { [%eval 2.52] } { Blunder. c4 was best. } { [%clk 0:35:36] } 18. Rb1?? { [%eval -0.12] } { Blunder. dxc5 was best. } { [%clk 0:31:10] } 18... c4?! { [%eval 0.6] } { Inaccuracy. cxd4 was best. } { [%clk 0:32:28] } 19. bxc4 { [%eval 0.2] [%clk 0:29:51] } 19... Bxc4 { [%eval 0.25] [%clk 0:32:50] } 20. Nd2 { [%eval 0.0] [%clk 0:29:43] } 20... Nb6 { [%eval 0.0] [%clk 0:30:16] } 21. Na2 { [%eval -0.06] [%clk 0:21:50] } 21... Bxa2 { [%eval 0.02] [%clk 0:28:01] } 22. Qxa2 { [%eval -0.07] [%clk 0:22:16] } 22... Nc7 { [%eval -0.02] [%clk 0:28:09] } 23. Rxb4 { [%eval -0.15] [%clk 0:21:38] } 23... Bxb4 { [%eval -0.1] [%clk 0:28:23] } 24. Rb1 { [%eval -0.38] [%clk 0:19:51] } 24... Qe8 { [%eval -0.15] [%clk 0:27:00] } 25. Ra1 { [%eval -0.45] [%clk 0:17:22] } 25... Qc6 { [%eval 0.0] [%clk 0:23:39] } 26. Bf1 { [%eval -0.23] [%clk 0:16:33] } 26... Rb8 { [%eval 0.0] [%clk 0:21:17] } 27. Nf3 { [%eval 0.0] [%clk 0:17:02] } 27... Nc4 { [%eval 0.0] [%clk 0:17:30] } 28. Rc1 { [%eval 0.0] [%clk 0:17:31] } 28... Na8?! { [%eval 0.73] } { Inaccuracy. Qb7 was best. } { [%clk 0:17:49] } 29. Be2? { [%eval -0.75] } { Mistake. Nd2 was best. } { [%clk 0:15:03] } 29... Nab6 { [%eval -0.69] [%clk 0:17:29] } 30. Bd1 { [%eval -0.73] [%clk 0:15:32] } 30... Qe8 { [%eval -0.62] [%clk 0:16:04] } 31. Bf4 { [%eval -0.61] [%clk 0:15:34] } 31... Rc8?! { [%eval 0.0] } { Inaccuracy. Na3 was best. } { [%clk 0:15:33] } 32. Qb3 { [%eval -0.12] [%clk 0:15:07] } 32... Rc6 { [%eval 0.0] [%clk 0:14:39] } 33. h4 { [%eval 0.09] [%clk 0:14:50] } 33... Qc8 { [%eval -0.04] [%clk 0:13:20] } 34. Ra1 { [%eval -0.25] [%clk 0:12:40] } 34... Nd7 { [%eval 0.0] [%clk 0:12:39] } 35. h5 { [%eval -0.01] [%clk 0:11:49] } 35... Ncb6?! { [%eval 0.85] } { Inaccuracy. Na3 was best. } { [%clk 0:11:06] } 36. h6 { [%eval 0.79] [%clk 0:09:57] } 36... g6 { [%eval 0.78] [%clk 0:11:07] } 37. Bd2 { [%eval 1.0] [%clk 0:09:12] } 37... Bxd2 { [%eval 1.26] [%clk 0:08:35] } 38. Nxd2 { [%eval 1.17] [%clk 0:09:41] } 38... Rc1?! { [%eval 1.79] } { Inaccuracy. Nc4 was best. } { [%clk 0:06:24] } 39. Qb2 { [%eval 1.46] [%clk 0:08:16] } 39... Rxa1 { [%eval 1.66] [%clk 0:06:41] } 40. Qxa1 { [%eval 1.7] [%clk 0:38:45] } 40... Qf8 { [%eval 2.29] [%clk 0:36:40] } 41. Qc3 { [%eval 2.11] [%clk 0:38:55] } 41... Qxh6?! { [%eval 2.86] } { Inaccuracy. Qa8 was best. } { [%clk 0:22:42] } 42. Qxa5 { [%eval 2.77] [%clk 0:39:09] } 42... Qf8 { [%eval 2.92] [%clk 0:21:59] } 43. Qc3?? { [%eval 0.85] } { Blunder. Qb5 was best. } { [%clk 0:33:45] } 43... Qc8 { [%eval 0.95] [%clk 0:20:16] } 44. Qa1 { [%eval 0.31] [%clk 0:27:22] } 44... Qa6 { [%eval 0.78] [%clk 0:18:04] } 45. a5 { [%eval 0.39] [%clk 0:24:11] } 45... Nb8 { [%eval 0.92] [%clk 0:17:12] } 46. Nb3 { [%eval 0.81] [%clk 0:07:59] } 46... Nc4 { [%eval 0.58] [%clk 0:17:31] } 47. Be2 { [%eval 0.59] [%clk 0:07:54] } 47... Nc6?! { [%eval 1.39] } { Inaccuracy. Qb5 was best. } { [%clk 0:17:22] } 48. Qa4 { [%eval 1.35] [%clk 0:08:11] } 48... Kg7 { [%eval 1.26] [%clk 0:10:03] } 49. Nc5 { [%eval 1.37] [%clk 0:08:17] } 49... Qxa5 { [%eval 1.73] [%clk 0:09:00] } 50. Qxc6 { [%eval 1.86] [%clk 0:08:42] } 50... Qe1+ { [%eval 1.74] [%clk 0:09:28] } 51. Bf1 { [%eval 1.72] [%clk 0:09:00] } 51... Nd2 { [%eval 1.73] [%clk 0:09:32] } 52. Qb5 { [%eval 1.97] [%clk 0:05:09] } 52... Nf3+ { [%eval 2.06] [%clk 0:09:48] } 53. Kg2 { [%eval 1.88] [%clk 0:05:37] } 53... Nxd4 { [%eval 2.04] [%clk 0:10:13] } 54. Qd3 { [%eval 1.86] [%clk 0:04:25] } 54... Nf5 { [%eval 2.08] [%clk 0:06:43] } 55. Nd7 { [%eval 2.36] [%clk 0:03:27] } 55... Qb4 { [%eval 2.08] [%clk 0:06:42] } 56. Nf6 { [%eval 2.07] [%clk 0:02:48] } 56... Qb8 { [%eval 2.41] [%clk 0:05:37] } 57. Qc3 { [%eval 2.32] [%clk 0:02:35] } 57... h5 { [%eval 2.17] [%clk 0:04:51] } 58. Bd3 { [%eval 2.46] [%clk 0:02:54] } 58... Ne7 { [%eval 2.86] [%clk 0:05:02] } 59. Qc5 { [%eval 2.32] [%clk 0:02:23] } 59... Qd8 { [%eval 3.0] [%clk 0:04:19] } 60. Bb5 { [%eval 3.23] [%clk 0:02:10] } 60... Nf5 { [%eval 3.62] [%clk 0:03:27] } 61. Bd3 { [%eval 3.41] [%clk 0:01:55] } 61... Nh6 { [%eval 3.15] [%clk 0:03:48] } 62. Qc6 { [%eval 2.61] [%clk 0:01:12] } 62... Ng4 { [%eval 2.74] [%clk 0:02:53] } 63. Nxg4 { [%eval 3.5] [%clk 0:00:59] } 63... hxg4 { [%eval 2.27] [%clk 0:03:22] } 64. Qc1 { [%eval 3.26] [%clk 0:01:07] } 64... Qh8 { [%eval 3.58] [%clk 0:01:27] } 65. Qf4 { [%eval 3.64] [%clk 0:01:01] } 65... Qb8? { [%eval 6.3] } { Mistake. Qh3+ was best. } { [%clk 0:00:50] } 66. Qf6+ { [%eval 6.64] [%clk 0:00:44] } 66... Kg8 { [%eval 6.64] [%clk 0:01:19] } 67. Bxg6 { [%eval 6.61] [%clk 0:00:40] } 67... fxg6?! { [%eval 11.13] } { Inaccuracy. Qb7 was best. } { [%clk 0:01:47] } 68. Qxg6+ { [%eval 11.5] [%clk 0:01:04] } 68... Kh8 { [%eval 11.51] [%clk 0:02:11] } 69. Qh6+ { [%eval 11.44] [%clk 0:01:19] } 69... Kg8 { [%eval 11.7] [%clk 0:02:40] } 70. Qxe6+ { [%eval 11.66] [%clk 0:01:42] } 70... Kh7 { [%eval 15.95] [%clk 0:03:04] } 71. Qf7+ { [%eval 12.33] [%clk 0:01:45] } 71... Kh8 { [%eval 25.78] [%clk 0:03:33] } 72. Qh5+ { [%eval 11.75] [%clk 0:02:05] } 72... Kg7 { [%eval 12.8] [%clk 0:03:55] } 73. Qxg4+ { [%eval 12.05] [%clk 0:02:30] } 73... Kh8 { [%eval 14.17] [%clk 0:03:54] } 74. Qh5+ { [%eval 15.35] [%clk 0:02:32] } 74... Kg7 { [%eval 14.91] [%clk 0:03:56] } 75. Qg5+ { [%eval 13.51] [%clk 0:02:57] } 1-0