Event: Round 9: Karthik Venkataraman - Mayank Chakraborty
Date: 2025-05-15
White: Karthik Venkataraman
WhiteTitle: GM
WhiteElo: 2565
Black: Mayank Chakraborty
BlackTitle: IM
BlackElo: 2436
Result: 1/2-1/2
ECO: D41
Opening: Queen's Gambit Declined: Semi-Tarrasch Defense
Variant: Standard

1. Nf3 { [%eval 0.14] [%clk 1:30:58] } 1... Nf6 { [%eval 0.23] [%clk 1:30:51] } 2. c4 { [%eval 0.12] [%clk 1:31:23] } 2... e6 { [%eval 0.27] [%clk 1:31:13] } 3. Nc3 { [%eval 0.2] [%clk 1:31:37] } 3... d5 { [%eval 0.14] [%clk 1:31:36] } 4. d4 { [%eval 0.1] [%clk 1:32:03] } 4... c5 { [%eval 0.11] [%clk 1:32:01] } 5. cxd5 { [%eval 0.09] [%clk 1:32:27] } 5... cxd4 { [%eval 0.1] [%clk 1:32:26] } 6. Qa4+ { [%eval 0.0] [%clk 1:32:44] } 6... Bd7 { [%eval 0.0] [%clk 1:32:49] } 7. Qxd4 { [%eval 0.07] [%clk 1:33:10] } 7... exd5 { [%eval 0.08] [%clk 1:33:13] } 8. Nxd5 { [%eval 0.14] [%clk 1:33:32] } 8... Qa5+ { [%eval 0.16] [%clk 1:33:38] } 9. Nc3 { [%eval 0.08] [%clk 1:33:54] } 9... Nc6 { [%eval 0.16] [%clk 1:32:02] } 10. Qd1 { [%eval 0.17] [%clk 1:34:17] } 10... Ne4 { [%eval 0.17] [%clk 1:31:35] } 11. Bd2 { [%eval 0.16] [%clk 1:34:41] } 11... Nxd2 { [%eval 0.15] [%clk 1:32:00] } 12. Nxd2 { [%eval 0.03] [%clk 1:35:07] } 12... Bb4 { [%eval -0.01] [%clk 1:32:08] } 13. Rc1 { [%eval 0.02] [%clk 1:35:30] } 13... Bxc3 { [%eval 0.06] [%clk 1:30:52] } 14. Rxc3 { [%eval 0.11] [%clk 1:35:55] } 14... Qxa2 { [%eval 0.0] [%clk 1:31:18] } 15. Nc4 { [%eval 0.0] [%clk 1:36:20] } 15... Be6 { [%eval 0.0] [%clk 1:31:30] } 16. e4 { [%eval -0.01] [%clk 1:35:35] } 16... Rd8 { [%eval 0.06] [%clk 1:14:45] } 17. Nd6+ { [%eval 0.05] [%clk 1:35:13] } 17... Rxd6?! { [%eval 0.96] } { Inaccuracy. Kf8 was best. } { [%clk 0:57:59] } 18. Qxd6 { [%eval 0.77] [%clk 1:35:07] } 18... Qxb2 { [%eval 0.71] [%clk 0:56:03] } 19. Qc5 { [%eval 0.74] [%clk 1:27:10] } 19... Qb1+ { [%eval 0.84] [%clk 0:52:06] } 20. Kd2 { [%eval 0.8] [%clk 1:24:32] } 20... Qxe4 { [%eval 0.84] [%clk 0:35:30] } 21. Bc4 { [%eval 0.69] [%clk 1:10:33] } 21... Qf4+ { [%eval 0.72] [%clk 0:29:07] } 22. Kd1 { [%eval 0.57] [%clk 1:09:54] } 22... Kd7 { [%eval 0.45] [%clk 0:20:09] } 23. Rd3+ { [%eval 0.34] [%clk 1:06:53] } 23... Kc7 { [%eval 0.25] [%clk 0:18:58] } 24. Bxe6 { [%eval 0.17] [%clk 1:07:02] } 24... fxe6 { [%eval 0.4] [%clk 0:19:22] } 25. Re1 { [%eval 0.38] [%clk 1:06:48] } 25... Qa4+ { [%eval 0.48] [%clk 0:18:38] } 26. Ke2 { [%eval 0.35] [%clk 1:03:46] } 26... Qe4+ { [%eval 0.4] [%clk 0:17:59] } 27. Kd2 { [%eval 0.31] [%clk 1:01:01] } 27... Qf4+ { [%eval 0.4] [%clk 0:18:02] } 28. Kc2 { [%eval 0.0] [%clk 0:38:43] } 28... Rf8 { [%eval 0.0] [%clk 0:17:09] } 29. Rf3 { [%eval 0.0] [%clk 0:32:01] } 29... Qa4+ { [%eval -0.1] [%clk 0:17:23] } 30. Kb2 { [%eval 0.0] [%clk 0:32:27] } 30... Rd8 { [%eval 0.31] [%clk 0:11:44] } 31. Rf7+ { [%eval 0.41] [%clk 0:31:51] } 31... Kb8?? { [%eval 2.38] } { Blunder. Rd7 was best. } { [%clk 0:11:25] } 32. Rf8 { [%eval 2.51] [%clk 0:32:04] } 32... Qg4 { [%eval 2.79] [%clk 0:09:05] } 33. Qd6+ { [%eval 2.65] [%clk 0:19:01] } 33... Kc8 { [%eval 2.37] [%clk 0:09:34] } 34. Rxe6 { [%eval 2.0] [%clk 0:19:20] } 34... Rxf8 { [%eval 1.9] [%clk 0:07:59] } 35. Qxf8+ { [%eval 1.83] [%clk 0:19:49] } 35... Kc7 { [%eval 1.88] [%clk 0:08:22] } 36. Qd6+ { [%eval 1.72] [%clk 0:20:14] } 36... Kb6 { [%eval 1.7] [%clk 0:08:49] } 37. Re3 { [%eval 1.76] [%clk 0:20:37] } 37... a5 { [%eval 1.75] [%clk 0:08:40] } 38. Rb3+ { [%eval 1.78] [%clk 0:19:41] } 38... Ka6 { [%eval 1.82] [%clk 0:07:42] } 39. Qd3+ { [%eval 1.76] [%clk 0:19:49] } 39... Ka7 { [%eval 1.96] [%clk 0:08:07] } 40. Qe3+ { [%eval 1.53] [%clk 0:20:16] } 40... Ka8 { [%eval 1.62] [%clk 0:07:12] } 41. h3 { [%eval 1.5] [%clk 0:19:55] } 41... Qc4 { [%eval 1.3] [%clk 0:05:34] } 42. Rd3 { [%eval 1.44] [%clk 0:17:22] } 42... Qb5+ { [%eval 1.6] [%clk 0:04:17] } 43. Kc1 { [%eval 1.66] [%clk 0:17:21] } 43... Qc4+ { [%eval 1.79] [%clk 0:02:54] } 44. Kd1 { [%eval 1.62] [%clk 0:13:18] } 44... a4 { [%eval 1.79] [%clk 0:01:35] } 45. g3 { [%eval 1.86] [%clk 0:09:59] } 45... Qb5 { [%eval 2.2] [%clk 0:29:34] } 46. h4 { [%eval 1.97] [%clk 0:38:21] } 46... Kb8 { [%eval 2.03] [%clk 0:28:32] } 47. Ke1 { [%eval 1.73] [%clk 0:35:02] } 47... Kc7 { [%eval 1.61] [%clk 0:25:19] } 48. f4? { [%eval 0.37] } { Mistake. Rc3 was best. } { [%clk 0:35:12] } 48... h5?! { [%eval 1.09] } { Inaccuracy. Qb1+ was best. } { [%clk 0:23:30] } 49. Qd2?! { [%eval 0.0] } { Inaccuracy. Rc3 was best. } { [%clk 0:33:58] } 49... Qf5 { [%eval 0.0] [%clk 0:19:16] } 50. Qc3 { [%eval -0.08] [%clk 0:33:15] } 50... g6?! { [%eval 0.91] } { Inaccuracy. b5 was best. } { [%clk 0:19:06] } 51. Re3?! { [%eval 0.0] } { Inaccuracy. Qg7+ was best. } { [%clk 0:30:05] } 51... Kb6?! { [%eval 1.09] } { Inaccuracy. b5 was best. } { [%clk 0:15:54] } 52. Kd2 { [%eval 1.12] [%clk 0:29:44] } 52... Qb1 { [%eval 1.17] [%clk 0:12:33] } 53. Re1 { [%eval 1.25] [%clk 0:28:12] } 53... Qa2+ { [%eval 1.29] [%clk 0:11:29] } 54. Kc1 { [%eval 1.29] [%clk 0:27:58] } 54... Qd5 { [%eval 1.31] [%clk 0:11:12] } 55. Rd1 { [%eval 1.06] [%clk 0:27:23] } 55... Qf5 { [%eval 1.38] [%clk 0:08:58] } 56. Kb2 { [%eval 1.23] [%clk 0:26:02] } 56... Kc7 { [%eval 1.26] [%clk 0:09:22] } 57. Rc1 { [%eval 1.48] [%clk 0:24:30] } 57... Qd5?! { [%eval 2.72] } { Inaccuracy. Kb8 was best. } { [%clk 0:08:41] } 58. Qe5+ { [%eval 2.38] [%clk 0:18:57] } 58... Qxe5+ { [%eval 2.63] [%clk 0:08:51] } 59. fxe5 { [%eval 2.6] [%clk 0:19:25] } 59... Kd7 { [%eval 2.79] [%clk 0:07:20] } 60. Rd1+ { [%eval 3.04] [%clk 0:19:49] } 60... Ke6 { [%eval 3.09] [%clk 0:07:19] } 61. Rd6+ { [%eval 3.04] [%clk 0:20:02] } 61... Kf7 { [%eval 2.72] [%clk 0:07:43] } 62. Rf6+ { [%eval 2.84] [%clk 0:14:44] } 62... Kg7 { [%eval 2.89] [%clk 0:08:08] } 63. Rf4 { [%eval 3.07] [%clk 0:15:00] } 63... Nxe5 { [%eval 2.84] [%clk 0:08:13] } 64. Rxa4 { [%eval 2.17] [%clk 0:15:27] } 64... b5? { [%eval 3.96] } { Mistake. Nf7 was best. } { [%clk 0:05:16] } 65. Re4?? { [%eval 0.28] } { Blunder. Ra6 was best. } { [%clk 0:14:21] } 65... Nc4+ { [%eval 0.56] [%clk 0:05:20] } 66. Kc3 { [%eval 0.34] [%clk 0:14:30] } 66... Nd6 { [%eval 0.0] [%clk 0:05:47] } 67. Rb4 { [%eval 0.0] [%clk 0:10:00] } 67... Nf5 { [%eval 0.0] [%clk 0:04:56] } 68. g4 { [%eval 0.0] [%clk 0:09:46] } 68... hxg4 { [%eval 0.07] [%clk 0:04:33] } 69. Rxg4 { [%eval 0.03] [%clk 0:10:09] } 69... Kh6 { [%eval 0.03] [%clk 0:05:00] } 70. Kb4 { [%eval 0.06] [%clk 0:10:28] } 70... Kh5 { [%eval 0.13] [%clk 0:05:25] } 71. Rg5+ { [%eval 0.04] [%clk 0:10:53] } 71... Kh6 { [%eval 0.0] [%clk 0:05:51] } 72. Rg4 { [%eval 0.0] [%clk 0:11:18] } 72... Kh5 { [%eval 0.0] [%clk 0:06:16] } 73. Rg5+ { [%eval 0.1] [%clk 0:11:45] } 73... Kh6 { [%eval 0.18] [%clk 0:06:42] } 74. Rg4 { [%eval 0.0] [%clk 0:11:36] } 1/2-1/2