Event: World Cup 2021
Site: Sochi
Date: 2021-07-19
White: Xiong Jeffery (USA)
WhiteElo: 2709
Black: Grandelius Nils (SWE)
BlackElo: 2661
Result: 1-0
ECO: D85
Opening: Grünfeld Defense: Exchange Variation, Modern Exchange Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:56] } 1... Nf6 { [%eval 0.19] [%clk 1:30:28] } 2. Nf3 { [%eval 0.12] [%clk 1:31:13] } 2... g6 { [%eval 0.24] [%clk 1:30:31] } 3. c4 { [%eval 0.25] [%clk 1:31:19] } 3... Bg7 { [%eval 0.13] [%clk 1:30:50] } 4. Nc3 { [%eval 0.31] [%clk 1:31:46] } 4... d5 { [%eval 0.27] [%clk 1:31:04] } 5. cxd5 { [%eval 0.0] [%clk 1:29:50] } 5... Nxd5 { [%eval 0.0] [%clk 1:31:24] } 6. e4 { [%eval 0.24] [%clk 1:30:01] } 6... Nxc3 { [%eval 0.26] [%clk 1:31:46] } 7. bxc3 { [%eval 0.0] [%clk 1:30:28] } 7... c5 { [%eval 0.13] [%clk 1:32:00] } 8. Rb1 { [%eval 0.4] [%clk 1:28:27] } 8... O-O { [%eval 0.32] [%clk 1:30:40] } 9. Be2 { [%eval 0.52] [%clk 1:28:11] } 9... Bg4 { [%eval 0.4] [%clk 1:29:42] } 10. Rxb7 { [%eval 0.1] [%clk 1:13:47] } 10... cxd4?! { [%eval 0.7] } { Inaccuracy. Nc6 was best. } { [%clk 1:28:30] } 11. Nxd4? { [%eval -0.34] } { Mistake. cxd4 was best. } { [%clk 1:14:14] } 11... Qc8 { [%eval -0.41] [%clk 1:26:40] } 12. Rb3 { [%eval -0.19] [%clk 1:14:41] } 12... Bxe2 { [%eval -0.26] [%clk 1:27:00] } 13. Nxe2 { [%eval -0.1] [%clk 1:14:51] } 13... Nc6 { [%eval -0.24] [%clk 1:21:11] } 14. O-O { [%eval -0.2] [%clk 1:12:26] } 14... Rd8 { [%eval -0.11] [%clk 1:14:10] } 15. Qc2 { [%eval 0.0] [%clk 1:12:32] } 15... Ne5 { [%eval 0.12] [%clk 1:05:23] } 16. h3 { [%eval 0.07] [%clk 1:06:18] } 16... Qc6 { [%eval 0.24] [%clk 0:56:59] } 17. Bg5 { [%eval 0.29] [%clk 0:59:27] } 17... Rd7 { [%eval 0.23] [%clk 0:51:53] } 18. Rd1 { [%eval 0.38] [%clk 0:54:42] } 18... h6 { [%eval 0.36] [%clk 0:40:32] } 19. Rxd7 { [%eval 0.33] [%clk 0:54:16] } 19... Qxd7 { [%eval 0.47] [%clk 0:40:58] } 20. Bh4 { [%eval 0.17] [%clk 0:46:50] } 20... Rd8 { [%eval 0.34] [%clk 0:27:55] } 21. Nd4 { [%eval 0.25] [%clk 0:46:01] } 21... Nc6 { [%eval 0.27] [%clk 0:27:09] } 22. Nxc6 { [%eval 0.37] [%clk 0:32:32] } 22... Qxc6 { [%eval 0.26] [%clk 0:27:37] } 23. Bxe7 { [%eval 0.02] [%clk 0:32:07] } 23... Re8 { [%eval 0.13] [%clk 0:26:57] } 24. Bh4 { [%eval 0.13] [%clk 0:32:21] } 24... Rxe4 { [%eval 0.09] [%clk 0:23:11] } 25. Bg3 { [%eval 0.04] [%clk 0:25:48] } 25... Re1+ { [%eval 0.0] [%clk 0:18:05] } 26. Kh2 { [%eval 0.04] [%clk 0:26:16] } 26... Qc4 { [%eval 0.0] [%clk 0:18:02] } 27. f3 { [%eval 0.0] [%clk 0:22:22] } 27... Ra1 { [%eval -0.08] [%clk 0:16:41] } 28. Qf2 { [%eval -0.23] [%clk 0:19:22] } 28... Bxc3?? { [%eval 2.86] } { Blunder. a5 was best. } { [%clk 0:12:41] } 29. Qe3 { [%eval 2.57] [%clk 0:19:02] } 29... Bd4?? { [%eval 8.91] } { Blunder. Qf1 was best. } { [%clk 0:07:23] } 30. Rb8+ { [%eval 8.76] [%clk 0:16:55] } 30... Kh7 { [%eval 60.71] [%clk 0:07:25] } 31. Be5 { [%eval 64.38] [%clk 0:17:16] } 31... Bxe5+?! { [%eval #12] } { Checkmate is now unavoidable. Rh1+ was best. } { [%clk 0:03:24] } 32. Qxe5 { [%eval #11] [%clk 0:17:23] } 1-0