Event: Round 2: Zeng, Chongsheng - Sanchez Alvarez, Roberto Carlos
Date: 2025-04-23
White: Zeng, Chongsheng
WhiteTitle: GM
WhiteElo: 2574
Black: Sanchez Alvarez, Roberto Carlos
BlackTitle: IM
BlackElo: 2373
Result: 1/2-1/2
ECO: A15
Opening: English Opening: Anglo-Indian Defense, King's Knight Variation
Variant: Standard
TimeControl: 90+30

1. Nf3 { [%eval 0.14] [%clk 1:30:57] } 1... Nf6 { [%eval 0.23] [%clk 1:26:23] } 2. c4 { [%eval 0.12] [%clk 1:31:20] } 2... c5 { [%eval 0.26] [%clk 1:26:01] } 3. g3 { [%eval 0.12] [%clk 1:31:36] } 3... d5 { [%eval 0.12] [%clk 1:23:40] } 4. cxd5 { [%eval 0.05] [%clk 1:30:40] } 4... Nxd5 { [%eval 0.15] [%clk 1:23:53] } 5. Bg2 { [%eval 0.0] [%clk 1:30:50] } 5... Nc6 { [%eval 0.05] [%clk 1:24:02] } 6. O-O { [%eval 0.0] [%clk 1:30:34] } 6... e5 { [%eval 0.0] [%clk 1:23:36] } 7. Nc3 { [%eval -0.07] [%clk 1:30:49] } 7... Nc7 { [%eval 0.0] [%clk 1:23:22] } 8. a3 { [%eval 0.03] [%clk 1:31:01] } 8... Be7 { [%eval 0.24] [%clk 1:22:50] } 9. b4 { [%eval 0.24] [%clk 1:31:06] } 9... f6?! { [%eval 0.79] } { Inaccuracy. cxb4 was best. } { [%clk 1:21:37] } 10. b5?! { [%eval 0.01] } { Inaccuracy. bxc5 was best. } { [%clk 1:20:17] } 10... Na5 { [%eval 0.38] [%clk 1:12:42] } 11. d3 { [%eval 0.52] [%clk 1:18:24] } 11... Be6 { [%eval 0.53] [%clk 1:01:42] } 12. Nd2 { [%eval 0.5] [%clk 1:05:30] } 12... Rb8 { [%eval 0.46] [%clk 0:56:22] } 13. Qa4 { [%eval 0.26] [%clk 1:05:00] } 13... b6 { [%eval 0.26] [%clk 0:56:48] } 14. Nc4 { [%eval 0.42] [%clk 1:03:56] } 14... Bxc4 { [%eval 0.52] [%clk 0:45:23] } 15. dxc4 { [%eval 0.33] [%clk 1:04:16] } 15... Qd4 { [%eval 0.33] [%clk 0:45:44] } 16. Nd5 { [%eval 0.53] [%clk 1:04:31] } 16... Ne6 { [%eval 0.37] [%clk 0:35:15] } 17. Ne3 { [%eval 0.0] [%clk 0:45:10] } 17... Qxa1 { [%eval 0.0] [%clk 0:33:57] } 18. Bd2 { [%eval 0.0] [%clk 0:45:30] } 18... Qb2 { [%eval 0.0] [%clk 0:33:47] } 19. Bxa5 { [%eval 0.0] [%clk 0:45:57] } 19... Nd4 { [%eval 0.02] [%clk 0:25:10] } 20. Be1? { [%eval -1.24] } { Mistake. Bc6+ was best. } { [%clk 0:41:08] } 20... O-O { [%eval -1.37] [%clk 0:25:26] } 21. Qxa7?! { [%eval -2.22] } { Inaccuracy. Nd5 was best. } { [%clk 0:39:39] } 21... Bd6 { [%eval -2.15] [%clk 0:24:52] } 22. Nd5 { [%eval -2.21] [%clk 0:14:48] } 22... Qxe2 { [%eval -2.4] [%clk 0:20:39] } 23. Nxb6 { [%eval -2.14] [%clk 0:11:14] } 23... e4 { [%eval -2.27] [%clk 0:14:38] } 24. Qa6 { [%eval -2.2] [%clk 0:09:09] } 24... Rbd8 { [%eval -2.35] [%clk 0:12:06] } 25. Ba5 { [%eval -2.58] [%clk 0:07:04] } 25... Be5 { [%eval -2.94] [%clk 0:08:21] } 26. Qb7 { [%eval -2.82] [%clk 0:05:14] } 26... Nb3 { [%eval -2.84] [%clk 0:06:56] } 27. Be1 { [%eval -2.84] [%clk 0:04:02] } 27... f5 { [%eval -2.95] [%clk 0:05:36] } 28. Nd5 { [%eval -3.37] [%clk 0:03:34] } 28... Qxc4 { [%eval -3.35] [%clk 0:05:23] } 29. Ne7+ { [%eval -3.32] [%clk 0:03:53] } 29... Kh8 { [%eval -3.15] [%clk 0:05:41] } 30. Nc6 { [%eval -3.36] [%clk 0:04:17] } 30... Rde8 { [%eval -3.43] [%clk 0:05:08] } 31. Nxe5 { [%eval -3.42] [%clk 0:03:41] } 31... Rxe5 { [%eval -3.37] [%clk 0:05:35] } 32. b6 { [%eval -3.38] [%clk 0:02:51] } 32... Ree8 { [%eval -3.43] [%clk 0:03:35] } 33. Qc7 { [%eval -3.5] [%clk 0:00:53] } 33... Rc8 { [%eval -3.4] [%clk 0:03:56] } 34. Qe5 { [%eval -3.65] [%clk 0:01:04] } 34... Nd4 { [%eval -3.63] [%clk 0:03:46] } 35. Bd2 { [%eval -4.19] [%clk 0:00:48] } 35... Rfe8 { [%eval -4.12] [%clk 0:01:47] } 36. Qd6?! { [%eval -5.3] } { Inaccuracy. b7 was best. } { [%clk 0:00:41] } 36... Qb5?! { [%eval -3.57] } { Inaccuracy. Qd3 was best. } { [%clk 0:02:00] } 37. a4?! { [%eval -4.82] } { Inaccuracy. Be3 was best. } { [%clk 0:00:32] } 37... Qxa4? { [%eval -2.9] } { Mistake. Qd3 was best. } { [%clk 0:02:01] } 38. Bf4?! { [%eval -4.44] } { Inaccuracy. b7 was best. } { [%clk 0:00:51] } 38... Qb5 { [%eval -4.31] [%clk 0:01:51] } 39. Be5 { [%eval -5.38] [%clk 0:00:34] } 39... Re6?! { [%eval -3.83] } { Inaccuracy. Rcd8 was best. } { [%clk 0:00:50] } 40. Qd5 { [%eval -4.03] [%clk 0:01:03] } 40... Rxb6 { [%eval -4.02] [%clk 0:00:51] } 41. Ra1?! { [%eval -5.71] } { Inaccuracy. Bxd4 was best. } { [%clk 0:00:43] } 41... Qc6?! { [%eval -4.09] } { Inaccuracy. Ne2+ was best. } { [%clk 0:00:35] } 42. Qf7 { [%eval -3.9] [%clk 0:00:58] } 42... Qg6 { [%eval -3.9] [%clk 0:00:54] } 43. Qd7 { [%eval -4.13] [%clk 0:01:16] } 43... Rg8 { [%eval -4.07] [%clk 0:00:57] } 44. Qd5 { [%eval -4.85] [%clk 0:00:32] } 44... Qe6 { [%eval -4.65] [%clk 0:00:55] } 45. Qxc5 { [%eval -4.98] [%clk 0:00:47] } 45... Nb3 { [%eval -4.95] [%clk 0:01:03] } 46. Bxg7+ { [%eval -5.09] [%clk 0:01:01] } 46... Rxg7 { [%eval -4.91] [%clk 0:01:01] } 47. Ra8+ { [%eval -4.81] [%clk 0:01:01] } 47... Rg8 { [%eval -5.1] [%clk 0:01:30] } 48. Qc3+ { [%eval -5.28] [%clk 0:01:04] } 48... Qf6 { [%eval -5.23] [%clk 0:01:53] } 49. Rxg8+ { [%eval -5.22] [%clk 0:01:26] } 49... Kxg8 { [%eval -4.98] [%clk 0:02:21] } 50. Qc8+ { [%eval -5.25] [%clk 0:01:51] } 50... Kg7 { [%eval -5.12] [%clk 0:01:52] } 51. Qc7+ { [%eval -5.01] [%clk 0:02:15] } 51... Kh6 { [%eval -5.05] [%clk 0:01:44] } 52. h4 { [%eval -5.21] [%clk 0:02:21] } 52... Rd6 { [%eval -4.87] [%clk 0:00:47] } 53. g4? { [%eval -77.1] } { Mistake. Qb8 was best. } { [%clk 0:02:07] } 53... fxg4?? { [%eval -2.16] } { Blunder. Rd1+ was best. } { [%clk 0:00:35] } 54. Bxe4 { [%eval -1.38] [%clk 0:02:31] } 54... Kh5?! { [%eval -0.36] } { Inaccuracy. Rd1+ was best. } { [%clk 0:00:33] } 55. Qxh7+ { [%eval -0.2] [%clk 0:02:24] } 55... Qh6 { [%eval -0.24] [%clk 0:01:00] } 56. Qf7+ { [%eval -0.3] [%clk 0:02:26] } 56... Kxh4 { [%eval -0.33] [%clk 0:01:29] } 57. Qxb3 { [%eval -0.39] [%clk 0:02:37] } 57... Qf4 { [%eval -0.26] [%clk 0:01:38] } 58. Qb7 { [%eval -0.23] [%clk 0:01:13] } 58... g3 { [%eval -0.23] [%clk 0:00:35] } 59. Qh7+ { [%eval -0.25] [%clk 0:00:58] } 59... Rh6 { [%eval -0.27] [%clk 0:00:57] } 60. Qe7+ { [%eval -0.02] [%clk 0:01:21] } 60... Qf6 { [%eval -0.03] [%clk 0:00:44] } 61. fxg3+ { [%eval -0.08] [%clk 0:01:16] } 61... Kxg3 { [%eval -0.14] [%clk 0:01:11] } 62. Qa3+ { [%eval -0.23] [%clk 0:01:01] } 62... Kg4 { [%eval -0.09] [%clk 0:01:22] } 63. Kg2 { [%eval -0.11] [%clk 0:01:04] } 63... Qf4 { [%eval -0.15] [%clk 0:01:15] } 64. Bf3+ { [%eval -0.13] [%clk 0:00:44] } 64... Kh4 { [%eval -0.18] [%clk 0:01:04] } 65. Qe7+ { [%eval -0.28] [%clk 0:01:07] } 65... Qg5+ { [%eval -0.28] [%clk 0:00:55] } 66. Qxg5+ { [%eval -0.29] [%clk 0:01:32] } 66... Kxg5 { [%eval -0.13] [%clk 0:01:20] } 67. Kg3 { [%eval -0.14] [%clk 0:01:55] } 67... Ra6 { [%eval -0.02] [%clk 0:01:45] } 68. Bd5 { [%eval -0.05] [%clk 0:01:38] } 68... Ra3+ { [%eval -0.04] [%clk 0:01:57] } 69. Kf2 { [%eval -0.07] [%clk 0:01:58] } 69... Kf4 { [%eval -0.16] [%clk 0:02:22] } 70. Ke2 { [%eval 0.0] [%clk 0:02:22] } 70... Ra5 { [%eval 0.0] [%clk 0:02:22] } 71. Bc6 { [%eval -0.01] [%clk 0:02:39] } 71... Rc5 { [%eval -0.05] [%clk 0:02:32] } 72. Bb7 { [%eval -0.09] [%clk 0:03:01] } 72... Rc7 { [%eval 0.0] [%clk 0:02:43] } 73. Ba8 { [%eval 0.0] [%clk 0:03:14] } 73... Rd7 { [%eval -0.01] [%clk 0:02:44] } 74. Bc6 { [%eval -0.02] [%clk 0:03:32] } 74... Rd6 { [%eval -0.08] [%clk 0:03:08] } 75. Bb7 { [%eval 0.0] [%clk 0:03:54] } 75... Ke5 { [%eval 0.0] [%clk 0:02:31] } 76. Ke3 { [%eval 0.0] [%clk 0:03:36] } 76... Rb6 { [%eval 0.0] [%clk 0:02:51] } 77. Ba8 { [%eval -0.06] [%clk 0:03:50] } 77... Rb3+ { [%eval -0.22] [%clk 0:02:55] } 78. Ke2 { [%eval -0.3] [%clk 0:04:05] } 78... Kd4 { [%eval -0.21] [%clk 0:03:10] } 79. Bc6 { [%eval 0.0] [%clk 0:04:11] } 79... Rc3 { [%eval -0.01] [%clk 0:02:52] } 80. Bb7 { [%eval -0.12] [%clk 0:04:29] } 80... Re3+ { [%eval -0.13] [%clk 0:03:18] } 81. Kf2 { [%eval -0.02] [%clk 0:04:50] } 81... Rb3 { [%eval 0.0] [%clk 0:01:18] } 82. Bc6 { [%eval -0.04] [%clk 0:05:07] } 82... Re3 { [%eval -0.06] [%clk 0:01:24] } 83. Bb7 { [%eval -0.08] [%clk 0:05:26] } 83... Re7 { [%eval -0.14] [%clk 0:01:50] } 84. Bc6 { [%eval -0.08] [%clk 0:05:47] } 84... Ke5 { [%eval -0.14] [%clk 0:01:30] } 85. Kf3 { [%eval 0.0] [%clk 0:05:13] } 85... Rc7 { [%eval -0.01] [%clk 0:01:40] } 86. Ba8 { [%eval -0.08] [%clk 0:05:34] } 86... Ra7 { [%eval -0.11] [%clk 0:01:49] } 87. Bc6 { [%eval -0.18] [%clk 0:05:56] } 1/2-1/2