Event: Round 4: Chatterjee Utsab - Karen H. Grigoryan
Date: 2023-12-04
White: Chatterjee Utsab
WhiteTitle: IM
WhiteElo: 2289
Black: Karen H. Grigoryan
BlackTitle: GM
BlackElo: 2638
Result: 0-1
ECO: B30
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:59] } 1... c5 { [%eval 0.33] [%clk 1:26:18] } 2. Nf3 { [%eval 0.0] [%clk 1:30:59] } 2... Nc6 { [%eval 0.29] [%clk 1:26:18] } 3. Bb5 { [%eval 0.3] [%clk 1:30:50] } 3... e6 { [%eval 0.47] [%clk 1:26:03] } 4. O-O { [%eval 0.5] [%clk 1:30:44] } 4... Nge7 { [%eval 0.36] [%clk 1:26:23] } 5. d4 { [%eval 0.0] [%clk 1:30:27] } 5... cxd4 { [%eval 0.28] [%clk 1:26:45] } 6. Nxd4 { [%eval -0.05] [%clk 1:30:53] } 6... Qb6 { [%eval 0.4] [%clk 1:22:45] } 7. Nxc6 { [%eval 0.24] [%clk 1:30:43] } 7... bxc6 { [%eval 0.29] [%clk 1:20:32] } 8. Be2 { [%eval 0.25] [%clk 1:28:53] } 8... d5 { [%eval 0.69] [%clk 1:18:54] } 9. Nc3 { [%eval 0.36] [%clk 1:29:04] } 9... Ba6 { [%eval 0.33] [%clk 1:14:05] } 10. b3 { [%eval 0.45] [%clk 1:18:18] } 10... Ng6 { [%eval 0.43] [%clk 1:09:10] } 11. Be3 { [%eval 0.0] [%clk 1:13:13] } 11... Bxe2 { [%eval -0.03] [%clk 1:03:28] } 12. Qxe2 { [%eval 0.0] [%clk 1:12:54] } 12... Qa5 { [%eval 0.04] [%clk 1:00:46] } 13. Na4 { [%eval 0.0] [%clk 1:12:55] } 13... Be7 { [%eval 0.13] [%clk 0:58:19] } 14. c4 { [%eval 0.0] [%clk 0:53:13] } 14... dxe4 { [%eval -0.04] [%clk 0:47:32] } 15. Bd2 { [%eval 0.0] [%clk 0:53:06] } 15... Qf5 { [%eval -0.03] [%clk 0:47:17] } 16. Rae1 { [%eval -0.22] [%clk 0:48:06] } 16... Rd8 { [%eval -0.17] [%clk 0:46:42] } 17. Bc3 { [%eval -0.18] [%clk 0:48:04] } 17... f6 { [%eval -0.19] [%clk 0:43:30] } 18. Qxe4 { [%eval -0.18] [%clk 0:35:29] } 18... Qxe4 { [%eval -0.21] [%clk 0:43:33] } 19. Rxe4 { [%eval -0.18] [%clk 0:35:58] } 19... Kf7 { [%eval -0.02] [%clk 0:43:18] } 20. f4 { [%eval -0.03] [%clk 0:35:22] } 20... Rhe8 { [%eval 0.2] [%clk 0:33:19] } 21. Rfe1 { [%eval -0.03] [%clk 0:24:27] } 21... Bd6 { [%eval 0.0] [%clk 0:27:52] } 22. g3 { [%eval -0.05] [%clk 0:24:48] } 22... e5 { [%eval -0.01] [%clk 0:27:36] } 23. fxe5 { [%eval -0.05] [%clk 0:24:20] } 23... Bxe5 { [%eval 0.0] [%clk 0:27:16] } 24. Ba5 { [%eval 0.0] [%clk 0:24:05] } 24... Bd4+ { [%eval 0.0] [%clk 0:19:54] } 25. Kg2 { [%eval -0.3] [%clk 0:24:17] } 25... Rxe4 { [%eval -0.23] [%clk 0:20:12] } 26. Rxe4 { [%eval -0.25] [%clk 0:24:46] } 26... Rd7 { [%eval -0.25] [%clk 0:20:05] } 27. Re2 { [%eval -0.21] [%clk 0:21:07] } 27... Ne5 { [%eval -0.42] [%clk 0:19:38] } 28. Nc3 { [%eval -0.39] [%clk 0:18:35] } 28... f5 { [%eval -0.15] [%clk 0:12:32] } 29. Rd2 { [%eval -0.16] [%clk 0:18:21] } 29... g5 { [%eval -0.17] [%clk 0:12:01] } 30. Ne2 { [%eval -0.12] [%clk 0:17:41] } 30... c5 { [%eval -0.17] [%clk 0:12:23] } 31. Bc3 { [%eval -0.32] [%clk 0:17:14] } 31... Bxc3 { [%eval -0.39] [%clk 0:10:29] } 32. Rxd7+ { [%eval -0.4] [%clk 0:17:39] } 32... Nxd7 { [%eval -0.37] [%clk 0:10:53] } 33. Nxc3 { [%eval -0.44] [%clk 0:18:07] } 33... Ke6 { [%eval -0.28] [%clk 0:11:08] } 34. Kf3 { [%eval -0.31] [%clk 0:12:50] } 34... Ke5 { [%eval -0.47] [%clk 0:10:41] } 35. h4?! { [%eval -1.21] } { Inaccuracy. Nb5 was best. } { [%clk 0:12:24] } 35... g4+ { [%eval -1.49] [%clk 0:09:13] } 36. Ke3 { [%eval -1.36] [%clk 0:12:45] } 36... Nf6 { [%eval -1.57] [%clk 0:09:29] } 37. a3 { [%eval -2.03] [%clk 0:11:43] } 37... a5? { [%eval -0.62] } { Mistake. Nh5 was best. } { [%clk 0:07:03] } 38. Na4? { [%eval -1.96] } { Mistake. Nb5 was best. } { [%clk 0:09:33] } 38... Ne4 { [%eval -2.16] [%clk 0:06:31] } 39. Nb2 { [%eval -2.37] [%clk 0:09:38] } 39... Nxg3 { [%eval -1.95] [%clk 0:06:40] } 40. Nd3+ { [%eval -1.94] [%clk 0:10:04] } 40... Kd6 { [%eval -2.28] [%clk 0:07:04] } 41. b4? { [%eval -4.65] } { Mistake. Kf4 was best. } { [%clk 0:10:10] } 41... cxb4 { [%eval -4.85] [%clk 0:07:19] } 42. axb4 { [%eval -4.7] [%clk 0:10:32] } 42... a4 { [%eval -4.74] [%clk 0:06:32] } 43. c5+ { [%eval -5.02] [%clk 0:10:47] } 43... Kc6 { [%eval -4.8] [%clk 0:06:00] } 44. Ne5+ { [%eval -4.84] [%clk 0:06:00] } 44... Kb5 { [%eval -5.12] [%clk 0:03:31] } 45. c6 { [%eval -5.31] [%clk 0:06:24] } 45... Ne4 { [%eval -5.24] [%clk 0:03:35] } 46. c7 { [%eval -5.18] [%clk 0:06:36] } 46... Nd6 { [%eval -5.34] [%clk 0:04:00] } 47. Kd4 { [%eval -5.46] [%clk 0:06:51] } 47... Kb6 { [%eval -5.8] [%clk 0:03:37] } 0-1