Event: Round 5: Ganguly, Surya Shekhar - Kovchan, Alexander
Date: 2024-10-30
White: Ganguly, Surya Shekhar
WhiteTitle: GM
WhiteElo: 2598
Black: Kovchan, Alexander
BlackTitle: GM
BlackElo: 2444
Result: 1/2-1/2
ECO: D87
Opening: Grünfeld Defense: Exchange Variation, Spassky Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:31] } 1... Nf6 { [%eval 0.17] [%clk 1:30:52] } 2. c4 { [%eval 0.17] [%clk 1:30:40] } 2... g6 { [%eval 0.25] [%clk 1:31:15] } 3. Nc3 { [%eval 0.21] [%clk 1:31:04] } 3... d5 { [%eval 0.28] [%clk 1:31:38] } 4. cxd5 { [%eval 0.23] [%clk 1:31:30] } 4... Nxd5 { [%eval 0.17] [%clk 1:32:00] } 5. e4 { [%eval 0.19] [%clk 1:31:52] } 5... Nxc3 { [%eval 0.18] [%clk 1:32:23] } 6. bxc3 { [%eval 0.17] [%clk 1:32:18] } 6... Bg7 { [%eval 0.2] [%clk 1:32:46] } 7. Bc4 { [%eval 0.21] [%clk 1:32:42] } 7... c5 { [%eval 0.21] [%clk 1:31:10] } 8. Ne2 { [%eval 0.33] [%clk 1:33:03] } 8... O-O { [%eval 0.34] [%clk 1:31:27] } 9. d5 { [%eval 0.08] [%clk 1:33:12] } 9... Nd7 { [%eval 0.1] [%clk 1:27:35] } 10. O-O { [%eval 0.11] [%clk 1:33:33] } 10... Nb6 { [%eval 0.05] [%clk 1:11:04] } 11. Bb3 { [%eval 0.09] [%clk 1:33:56] } 11... Bd7?! { [%eval 0.83] } { Inaccuracy. f5 was best. } { [%clk 1:08:05] } 12. a4 { [%eval 1.03] [%clk 1:31:42] } 12... Qc7 { [%eval 1.24] [%clk 1:04:07] } 13. a5 { [%eval 1.41] [%clk 1:26:28] } 13... Nc8 { [%eval 1.37] [%clk 1:04:06] } 14. Bf4 { [%eval 1.31] [%clk 1:26:36] } 14... Be5 { [%eval 1.22] [%clk 1:04:06] } 15. Qd2 { [%eval 1.36] [%clk 1:26:42] } 15... Bxf4 { [%eval 1.32] [%clk 0:54:25] } 16. Nxf4 { [%eval 1.36] [%clk 1:26:02] } 16... Nd6 { [%eval 1.55] [%clk 0:52:23] } 17. Rfe1 { [%eval 1.4] [%clk 1:20:14] } 17... f6 { [%eval 1.47] [%clk 0:51:40] } 18. e5 { [%eval 1.13] [%clk 1:17:46] } 18... fxe5 { [%eval 1.02] [%clk 0:49:52] } 19. Rxe5 { [%eval 0.92] [%clk 1:18:10] } 19... Rf7 { [%eval 0.8] [%clk 0:49:43] } 20. Rae1 { [%eval 0.86] [%clk 1:10:05] } 20... Qxa5 { [%eval 0.69] [%clk 0:44:53] } 21. Rxe7 { [%eval 0.53] [%clk 1:08:41] } 21... Rxe7 { [%eval 0.51] [%clk 0:44:52] } 22. Rxe7 { [%eval 0.48] [%clk 1:09:07] } 22... Re8 { [%eval 0.41] [%clk 0:45:07] } 23. Rxe8+ { [%eval 0.5] [%clk 1:06:08] } 23... Bxe8 { [%eval 0.52] [%clk 0:43:55] } 24. h4 { [%eval 0.54] [%clk 1:06:29] } 24... Qa1+ { [%eval 0.95] [%clk 0:36:55] } 25. Kh2 { [%eval 1.01] [%clk 1:06:38] } 25... Bf7?? { [%eval 3.28] } { Blunder. Qb1 was best. } { [%clk 0:26:37] } 26. Qe3?? { [%eval 0.54] } { Blunder. Ne6 was best. } { [%clk 0:57:57] } 26... c4 { [%eval 0.55] [%clk 0:24:48] } 27. Bc2 { [%eval 0.63] [%clk 0:58:20] } 27... Nb5? { [%eval 1.81] } { Mistake. Ne8 was best. } { [%clk 0:23:04] } 28. Qc5 { [%eval 1.92] [%clk 0:46:34] } 28... Qxc3? { [%eval 3.36] } { Mistake. Qa6 was best. } { [%clk 0:18:26] } 29. Ne6 { [%eval 3.25] [%clk 0:46:27] } 29... Qe5+ { [%eval 3.02] [%clk 0:15:41] } 30. f4 { [%eval 2.96] [%clk 0:46:23] } 30... Qb8 { [%eval 3.39] [%clk 0:15:47] } 31. Qxb5 { [%eval 3.26] [%clk 0:35:13] } 31... Bxe6 { [%eval 3.25] [%clk 0:16:10] } 32. dxe6 { [%eval 3.06] [%clk 0:35:30] } 32... Qxf4+ { [%eval 3.05] [%clk 0:16:32] } 33. g3 { [%eval 3.02] [%clk 0:35:31] } 33... Qf2+ { [%eval 3.26] [%clk 0:14:48] } 34. Kh3 { [%eval 3.19] [%clk 0:35:03] } 34... Qf1+ { [%eval 3.15] [%clk 0:14:56] } 35. Kg4 { [%eval 2.97] [%clk 0:35:26] } 35... Qe2+ { [%eval 3.19] [%clk 0:14:46] } 36. Kf4 { [%eval 2.99] [%clk 0:35:50] } 36... Qxe6 { [%eval 2.8] [%clk 0:04:16] } 37. Kf3?? { [%eval 0.21] } { Blunder. Qxb7 was best. } { [%clk 0:32:20] } 37... b6 { [%eval 0.31] [%clk 0:02:39] } 38. Be4 { [%eval 0.3] [%clk 0:29:53] } 38... Kg7 { [%eval 0.83] [%clk 0:03:03] } 39. Qa6 { [%eval 0.76] [%clk 0:29:42] } 39... Qf7+ { [%eval 0.82] [%clk 0:02:30] } 40. Ke3 { [%eval 0.51] [%clk 0:28:21] } 40... Qc7 { [%eval 0.32] [%clk 0:02:02] } 41. Qb7?! { [%eval -0.25] } { Inaccuracy. Kf3 was best. } { [%clk 0:26:59] } 41... Qxb7 { [%eval -0.23] [%clk 0:01:06] } 42. Bxb7 { [%eval #-7] [%clk 0:27:24] } 42... h5 { [%eval -0.21] [%clk 0:29:13] } 43. Kd4 { [%eval 0.0] [%clk 0:51:56] } 43... Kf6 { [%eval 0.0] } 1/2-1/2