Event: Round 5: Koustav Chatterjee - Xiong, Jeffery
Site: https://lichess.org/broadcast/2025-us-masters/round-5/dJaC4Zjd/ePJARmuL
Date: 2025-11-24
White: Koustav Chatterjee
WhiteTitle: GM
WhiteElo: 2475
Black: Xiong, Jeffery
BlackTitle: GM
BlackElo: 2649
Result: 1/2-1/2
ECO: D30
Opening: Queen's Gambit Declined
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:45] } 1... d5 { [%eval 0.18] [%clk 1:29:51] } 2. c4 { [%eval 0.18] [%clk 1:30:57] } 2... e6 { [%eval 0.17] [%clk 1:30:12] } 3. Nf3 { [%eval 0.11] [%clk 1:31:16] } 3... c6 { [%eval 0.28] [%clk 1:30:34] } 4. Nbd2 { [%eval 0.36] [%clk 1:27:24] } 4... Nf6 { [%eval 0.3] [%clk 1:14:41] } 5. g3 { [%eval 0.14] [%clk 1:23:43] } 5... Be7 { [%eval 0.17] [%clk 1:15:04] } 6. Bg2 { [%eval 0.23] [%clk 1:24:07] } 6... O-O { [%eval 0.15] [%clk 1:15:28] } 7. O-O { [%eval 0.14] [%clk 1:24:31] } 7... b6 { [%eval 0.21] [%clk 1:13:56] } 8. Qc2 { [%eval 0.24] [%clk 1:24:18] } 8... Bb7 { [%eval 0.29] [%clk 1:12:15] } 9. b3 { [%eval 0.1] [%clk 1:16:24] } 9... Na6 { [%eval 0.26] [%clk 1:06:29] } 10. a3 { [%eval 0.09] [%clk 1:03:31] } 10... c5 { [%eval 0.14] [%clk 1:05:01] } 11. Bb2 { [%eval 0.15] [%clk 1:02:19] } 11... Rc8 { [%eval 0.13] [%clk 1:03:47] } 12. dxc5 { [%eval -0.14] [%clk 0:50:50] } 12... Nxc5 { [%eval -0.12] [%clk 1:03:04] } 13. Ng5 { [%eval -0.29] [%clk 0:43:32] } 13... Ncd7 { [%eval -0.27] [%clk 1:02:28] } 14. Rac1 { [%eval -0.35] [%clk 0:36:54] } 14... h6 { [%eval -0.43] [%clk 0:58:57] } 15. Nh3 { [%eval -0.44] [%clk 0:36:31] } 15... Bd6 { [%eval -0.28] [%clk 0:54:49] } 16. Qb1 { [%eval -0.3] [%clk 0:36:03] } 16... Qe7 { [%eval -0.29] [%clk 0:55:13] } 17. Qa1 { [%eval -0.46] [%clk 0:34:04] } 17... e5 { [%eval -0.36] [%clk 0:54:57] } 18. cxd5 { [%eval -0.3] [%clk 0:29:17] } 18... Bxd5 { [%eval -0.3] [%clk 0:55:21] } 19. Bxd5 { [%eval -0.28] [%clk 0:24:24] } 19... Nxd5 { [%eval -0.28] [%clk 0:55:44] } 20. e4 { [%eval -0.31] [%clk 0:23:34] } 20... N5f6 { [%eval -0.33] [%clk 0:46:33] } 21. Kg2 { [%eval -0.3] [%clk 0:23:47] } 21... Nc5 { [%eval -0.44] [%clk 0:43:05] } 22. Qb1 { [%eval -0.36] [%clk 0:24:09] } 22... Rfd8 { [%eval -0.16] [%clk 0:39:02] } 23. Rfd1?! { [%eval -0.94] } { Inaccuracy. b4 was best. } { [%clk 0:19:44] } 23... b5 { [%eval -0.42] [%clk 0:36:59] } 24. f3 { [%eval -0.41] [%clk 0:13:45] } 24... Bc7 { [%eval -0.44] [%clk 0:35:17] } 25. Nf2 { [%eval -0.44] [%clk 0:11:29] } 25... Bb6 { [%eval -0.46] [%clk 0:34:48] } 26. Ba1 { [%eval -0.6] [%clk 0:11:15] } 26... Qe6 { [%eval -0.28] [%clk 0:32:07] } 27. b4 { [%eval -0.24] [%clk 0:09:36] } 27... Na4 { [%eval -0.21] [%clk 0:31:31] } 28. Rxc8 { [%eval -0.22] [%clk 0:09:58] } 28... Rxc8 { [%eval -0.27] [%clk 0:31:04] } 29. Qb3 { [%eval -0.21] [%clk 0:08:18] } 29... Qe7 { [%eval -0.25] [%clk 0:27:17] } 30. Nf1 { [%eval -0.19] [%clk 0:07:29] } 30... a6 { [%eval -0.27] [%clk 0:20:40] } 31. Ne3 { [%eval -0.26] [%clk 0:05:44] } 31... Qa7 { [%eval 0.25] [%clk 0:20:59] } 32. Nfg4 { [%eval 0.21] [%clk 0:04:50] } 1/2-1/2