Event: Round 7: Costa, Leonardo - Karthik Venkataraman
Date: 2024-11-01
White: Costa, Leonardo
WhiteTitle: IM
WhiteElo: 2501
Black: Karthik Venkataraman
BlackTitle: GM
BlackElo: 2605
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Freak Attack
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... c5 { [%eval 0.25] [%clk 1:30:54] } 2. Nf3 { [%eval 0.27] [%clk 1:31:26] } 2... d6 { [%eval 0.21] [%clk 1:31:19] } 3. d4 { [%eval 0.22] [%clk 1:31:52] } 3... cxd4 { [%eval 0.19] [%clk 1:31:45] } 4. Nxd4 { [%eval 0.18] [%clk 1:32:19] } 4... Nf6 { [%eval 0.24] [%clk 1:32:10] } 5. Nc3 { [%eval 0.17] [%clk 1:32:45] } 5... a6 { [%eval 0.2] [%clk 1:32:37] } 6. Rg1 { [%eval 0.0] [%clk 1:33:07] } 6... g6 { [%eval 0.16] [%clk 1:32:59] } 7. g4 { [%eval 0.25] [%clk 1:33:34] } 7... Bg7 { [%eval 0.25] [%clk 1:33:23] } 8. g5 { [%eval 0.43] [%clk 1:34:01] } 8... Nh5 { [%eval 0.52] [%clk 1:33:47] } 9. Be3 { [%eval 0.49] [%clk 1:30:07] } 9... Nc6 { [%eval 0.5] [%clk 1:31:18] } 10. Be2 { [%eval 0.44] [%clk 1:22:23] } 10... Qa5 { [%eval 0.54] [%clk 1:31:26] } 11. a3 { [%eval 0.1] [%clk 1:12:45] } 11... O-O { [%eval 0.18] [%clk 1:27:51] } 12. h4 { [%eval -0.2] [%clk 1:06:20] } 12... Nxd4 { [%eval 0.0] [%clk 1:16:07] } 13. Bxd4 { [%eval 0.0] [%clk 1:06:46] } 13... Bxd4 { [%eval 0.0] [%clk 1:16:24] } 14. Qxd4 { [%eval 0.0] [%clk 1:07:12] } 14... Nf4 { [%eval 0.01] [%clk 1:16:49] } 15. Bf1 { [%eval 0.0] [%clk 0:57:48] } 15... e5 { [%eval 0.0] [%clk 1:05:52] } 16. Qxd6 { [%eval 0.0] [%clk 0:49:48] } 16... Rd8 { [%eval 0.0] [%clk 1:06:05] } 17. Qb4 { [%eval 0.0] [%clk 0:50:12] } 17... Qc7 { [%eval 0.0] [%clk 1:06:26] } 18. Qc4 { [%eval 0.0] [%clk 0:48:59] } 18... Qb8 { [%eval 0.2] [%clk 1:02:33] } 19. Nd5 { [%eval 0.14] [%clk 0:40:34] } 19... Nxd5 { [%eval 0.37] [%clk 1:01:13] } 20. O-O-O { [%eval 0.05] [%clk 0:36:43] } 20... Qa7 { [%eval 0.16] [%clk 0:56:34] } 21. exd5 { [%eval 0.28] [%clk 0:34:36] } 21... Qxf2 { [%eval 0.41] [%clk 0:56:13] } 22. Bd3?! { [%eval -0.16] } { Inaccuracy. Rg2 was best. } { [%clk 0:35:01] } 22... Bh3 { [%eval -0.16] [%clk 0:49:54] } 23. Kb1 { [%eval -0.2] [%clk 0:31:20] } 23... Rac8 { [%eval -0.12] [%clk 0:47:52] } 24. Qb3 { [%eval -0.4] [%clk 0:27:10] } 24... Bg2 { [%eval 0.0] [%clk 0:45:29] } 25. d6? { [%eval -1.22] } { Mistake. Qxb7 was best. } { [%clk 0:20:23] } 25... Rxd6 { [%eval -1.05] [%clk 0:42:44] } 26. Rgf1 { [%eval -1.22] [%clk 0:20:17] } 26... Bxf1 { [%eval -1.05] [%clk 0:43:06] } 27. Rxf1 { [%eval -1.22] [%clk 0:20:44] } 27... Rxd3 { [%eval -1.01] [%clk 0:29:47] } 28. Qxd3 { [%eval -1.07] [%clk 0:21:10] } 28... Qc5 { [%eval -1.22] [%clk 0:30:13] } 29. Re1 { [%eval -1.09] [%clk 0:17:57] } 29... Qe7 { [%eval -1.11] [%clk 0:27:35] } 30. Re4 { [%eval -1.01] [%clk 0:18:06] } 30... Re8 { [%eval -1.01] [%clk 0:27:10] } 31. Qe3 { [%eval -1.32] [%clk 0:17:46] } 31... Qe6 { [%eval -1.39] [%clk 0:26:50] } 32. a4 { [%eval -1.24] [%clk 0:14:37] } 32... Qd5 { [%eval -1.22] [%clk 0:26:31] } 33. b3 { [%eval -1.06] [%clk 0:13:30] } 33... b5 { [%eval -0.86] [%clk 0:24:24] } 34. a5 { [%eval -0.88] [%clk 0:13:43] } 34... Re6 { [%eval -0.93] [%clk 0:23:29] } 35. Kb2 { [%eval -0.87] [%clk 0:14:00] } 35... Kg7 { [%eval -0.86] [%clk 0:23:55] } 36. Qe2 { [%eval -0.86] [%clk 0:13:30] } 36... Qd8 { [%eval -0.91] [%clk 0:24:13] } 37. Qe3 { [%eval -0.94] [%clk 0:13:02] } 37... Qc7 { [%eval -0.48] [%clk 0:24:07] } 38. Qe2 { [%eval -0.88] [%clk 0:11:41] } 38... Rc6?! { [%eval -0.17] } { Inaccuracy. Qd8 was best. } { [%clk 0:21:32] } 39. Qd2 { [%eval -0.64] [%clk 0:10:51] } 39... Rd6 { [%eval -0.55] [%clk 0:15:42] } 40. Qf2 { [%eval -0.69] [%clk 0:09:48] } 40... Re6 { [%eval -0.46] [%clk 0:12:00] } 41. Qe3 { [%eval -0.94] [%clk 0:08:25] } 41... Qd6 { [%eval -0.88] [%clk 0:08:10] } 42. Qf2 { [%eval -0.85] [%clk 0:06:46] } 42... Qc6 { [%eval -0.89] [%clk 0:07:30] } 43. Qe3 { [%eval -0.95] [%clk 0:00:38] } 43... Qd5 { [%eval -0.94] [%clk 0:07:49] } 44. Qe2 { [%eval -0.92] [%clk 0:00:56] } 44... Qc5?! { [%eval -0.27] } { Inaccuracy. Kg8 was best. } { [%clk 0:08:12] } 45. Qd2?! { [%eval -1.0] } { Inaccuracy. h5 was best. } { [%clk 0:27:25] } 45... Re8 { [%eval -0.73] [%clk 0:33:59] } 46. Qd7 { [%eval -0.92] [%clk 0:23:41] } 46... Rc8 { [%eval -0.83] [%clk 0:32:54] } 47. Qd2 { [%eval -0.83] [%clk 0:24:07] } 47... Rc6 { [%eval -0.35] [%clk 0:32:07] } 48. Qd3?! { [%eval -1.04] } { Inaccuracy. b4 was best. } { [%clk 0:22:08] } 48... Rc8 { [%eval -0.79] [%clk 0:23:52] } 49. Qd2 { [%eval -0.73] [%clk 0:22:06] } 49... Rc7?! { [%eval 0.0] } { Inaccuracy. Qe7 was best. } { [%clk 0:24:14] } 50. b4 { [%eval 0.0] [%clk 0:11:59] } 50... Qe7 { [%eval 0.0] [%clk 0:24:20] } 51. Qd5 { [%eval 0.0] [%clk 0:12:26] } 51... f6 { [%eval 0.0] [%clk 0:20:37] } 52. gxf6+ { [%eval 0.0] [%clk 0:11:19] } 52... Kxf6 { [%eval 0.0] [%clk 0:21:05] } 53. Qa8?? { [%eval -2.1] } { Blunder. Qd2 was best. } { [%clk 0:10:30] } 53... Qd6 { [%eval -1.94] [%clk 0:20:51] } 54. Kb3?? { [%eval -4.76] } { Blunder. Rg4 was best. } { [%clk 0:09:38] } 54... Kg7 { [%eval -4.58] [%clk 0:19:16] } 55. Re2? { [%eval -8.04] } { Mistake. Re1 was best. } { [%clk 0:06:25] } 55... Qd1 { [%eval -7.96] [%clk 0:18:07] } 0-1