Event: Round 1: Koustav Chatterjee - William Graif
Date: 2024-01-11
White: Koustav Chatterjee
WhiteTitle: GM
Black: William Graif
BlackTitle: FM
Result: 1-0
ECO: B31
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation
Variant: Standard

1. e4 { [%eval 0.2] [%clk 1:29:47] } 1... c5 { [%eval 0.33] [%clk 1:30:10] } 2. Nf3 { [%eval 0.17] [%clk 1:30:05] } 2... Nc6 { [%eval 0.29] [%clk 1:30:25] } 3. Bb5 { [%eval 0.3] [%clk 1:30:27] } 3... g6 { [%eval 0.37] [%clk 1:30:49] } 4. O-O { [%eval 0.2] [%clk 1:30:52] } 4... Bg7 { [%eval 0.55] [%clk 1:31:13] } 5. c3 { [%eval 0.25] [%clk 1:31:18] } 5... Nf6 { [%eval 0.13] [%clk 1:31:35] } 6. Re1 { [%eval 0.5] [%clk 1:31:41] } 6... O-O { [%eval 0.21] [%clk 1:31:57] } 7. d4 { [%eval 0.33] [%clk 1:32:06] } 7... d5 { [%eval 0.43] [%clk 1:32:17] } 8. e5 { [%eval 0.38] [%clk 1:32:30] } 8... Ne4 { [%eval 0.37] [%clk 1:32:42] } 9. Bxc6 { [%eval 0.4] [%clk 1:32:56] } 9... bxc6 { [%eval 0.38] [%clk 1:33:07] } 10. Be3 { [%eval 0.34] [%clk 1:33:23] } 10... Rb8 { [%eval 0.3] [%clk 1:33:25] } 11. Qc1 { [%eval 0.38] [%clk 1:33:11] } 11... cxd4 { [%eval 0.37] [%clk 1:33:26] } 12. cxd4 { [%eval 0.37] [%clk 1:33:35] } 12... Bf5 { [%eval 0.44] [%clk 1:33:17] } 13. Nc3 { [%eval 0.32] [%clk 1:26:11] } 13... f6 { [%eval 0.24] [%clk 1:08:56] } 14. Nxe4 { [%eval 0.11] [%clk 1:06:08] } 14... dxe4 { [%eval 0.2] [%clk 1:05:05] } 15. Nd2 { [%eval 0.16] [%clk 1:06:00] } 15... Qd5 { [%eval 0.09] [%clk 0:47:09] } 16. Nc4 { [%eval 0.04] [%clk 1:05:35] } 16... a5 { [%eval 0.21] [%clk 0:30:37] } 17. Qc3 { [%eval 0.1] [%clk 1:04:03] } 17... Rb4?! { [%eval 0.99] } { Inaccuracy. fxe5 was best. } { [%clk 0:26:56] } 18. Rac1 { [%eval 0.79] [%clk 0:56:35] } 18... Rfb8 { [%eval 0.69] [%clk 0:18:58] } 19. Bf4 { [%eval 0.81] [%clk 0:54:49] } 19... R8b7 { [%eval 0.65] [%clk 0:11:01] } 20. a3 { [%eval 0.46] [%clk 0:50:17] } 20... R4b5 { [%eval 0.47] [%clk 0:10:35] } 21. exf6 { [%eval 0.56] [%clk 0:48:55] } 21... Bxf6 { [%eval 0.56] [%clk 0:10:29] } 22. Be5 { [%eval 0.52] [%clk 0:47:21] } 22... Bg5 { [%eval 0.41] [%clk 0:07:29] } 23. Ne3 { [%eval 0.43] [%clk 0:46:17] } 23... Bxe3?! { [%eval 1.48] } { Inaccuracy. Qd7 was best. } { [%clk 0:03:09] } 24. Qxe3 { [%eval 1.45] [%clk 0:46:37] } 24... e6?? { [%eval 3.5] } { Blunder. Rxb2 was best. } { [%clk 0:01:10] } 25. h3 { [%eval 3.69] [%clk 0:43:37] } 25... h5 { [%eval 4.27] [%clk 0:00:39] } 26. Qg5 { [%eval 4.18] [%clk 0:41:17] } 26... Rf7 { [%eval 4.6] [%clk 0:00:34] } 27. g4 { [%eval 4.67] [%clk 0:38:15] } 27... hxg4 { [%eval 4.95] [%clk 0:01:00] } 28. hxg4 { [%eval 4.89] [%clk 0:38:41] } 28... e3 { [%eval 4.87] [%clk 0:01:13] } 29. Rxe3 { [%eval 5.08] [%clk 0:39:06] } 29... Rh7 { [%eval 4.9] [%clk 0:01:19] } 30. f3 { [%eval 4.96] [%clk 0:39:30] } 30... Rxb2?! { [%eval 7.41] } { Inaccuracy. Qd7 was best. } { [%clk 0:00:38] } 31. gxf5 { [%eval 7.39] [%clk 0:39:53] } 1-0