Event: Round 6: Song, Yihang - Ren, Yibai
Date: 2025-07-26
White: Song, Yihang
WhiteElo: 1890
Black: Ren, Yibai
BlackElo: 1995
Result: 1/2-1/2
ECO: D85
Opening: Grünfeld Defense: Exchange Variation, Modern Exchange Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... Nf6 { [%eval 0.19] [%clk 1:29:24] } 2. c4 { [%eval 0.18] [%clk 1:31:22] } 2... g6 { [%eval 0.28] [%clk 1:29:37] } 3. Nc3 { [%eval 0.18] [%clk 1:31:46] } 3... d5 { [%eval 0.28] [%clk 1:29:25] } 4. cxd5 { [%eval 0.21] [%clk 1:32:11] } 4... Nxd5 { [%eval 0.17] [%clk 1:29:52] } 5. e4 { [%eval 0.2] [%clk 1:32:36] } 5... Nxc3 { [%eval 0.22] [%clk 1:30:14] } 6. bxc3 { [%eval 0.17] [%clk 1:33:02] } 6... Bg7 { [%eval 0.17] [%clk 1:30:41] } 7. Nf3 { [%eval 0.14] [%clk 1:33:27] } 7... c5 { [%eval 0.17] [%clk 1:30:36] } 8. Be3 { [%eval 0.28] [%clk 1:33:53] } 8... Bg4 { [%eval 0.26] [%clk 1:24:25] } 9. Bb5+ { [%eval 0.1] [%clk 1:33:29] } 9... Nd7 { [%eval 0.5] [%clk 1:15:01] } 10. O-O { [%eval 0.48] [%clk 1:29:33] } 10... O-O { [%eval 0.43] [%clk 1:12:16] } 11. h3 { [%eval 0.51] [%clk 1:28:38] } 11... Bxf3 { [%eval 0.69] [%clk 1:12:07] } 12. Qxf3 { [%eval 0.71] [%clk 1:29:03] } 12... a6 { [%eval 0.72] [%clk 1:11:54] } 13. Bxd7?! { [%eval 0.0] } { Inaccuracy. Be2 was best. } { [%clk 1:18:51] } 13... Qxd7?! { [%eval 0.63] } { Inaccuracy. cxd4 was best. } { [%clk 1:12:23] } 14. Rfd1?! { [%eval -0.01] } { Inaccuracy. dxc5 was best. } { [%clk 1:18:50] } 14... Qa4? { [%eval 1.11] } { Mistake. cxd4 was best. } { [%clk 1:08:11] } 15. e5?! { [%eval 0.36] } { Inaccuracy. dxc5 was best. } { [%clk 1:05:26] } 15... b5 { [%eval 0.44] [%clk 1:03:10] } 16. Qe2 { [%eval 0.04] [%clk 1:03:27] } 16... Rfd8 { [%eval 0.31] [%clk 1:01:06] } 17. f4 { [%eval -0.06] [%clk 1:02:42] } 17... cxd4 { [%eval -0.06] [%clk 0:58:50] } 18. cxd4 { [%eval -0.12] [%clk 1:02:54] } 18... e6 { [%eval -0.14] [%clk 0:58:02] } 19. Rac1 { [%eval -0.2] [%clk 1:00:39] } 19... Rac8 { [%eval 0.0] [%clk 0:56:35] } 20. Rxc8 { [%eval 0.0] [%clk 0:44:18] } 20... Rxc8 { [%eval 0.0] [%clk 0:56:59] } 21. d5 { [%eval 0.0] [%clk 0:44:38] } 21... exd5 { [%eval 0.0] [%clk 0:51:25] } 22. Rxd5 { [%eval 0.0] [%clk 0:44:45] } 22... Bf8 { [%eval 0.0] [%clk 0:50:07] } 23. e6 { [%eval 0.0] [%clk 0:36:06] } 23... fxe6?? { [%eval 5.88] } { Blunder. Qe4 was best. } { [%clk 0:47:03] } 24. Bd4 { [%eval 5.43] [%clk 0:35:42] } 24... Kf7 { [%eval 6.21] [%clk 0:26:28] } 25. f5?? { [%eval 0.11] } { Blunder. Rd7+ was best. } { [%clk 0:12:56] } 25... Rc6?? { [%eval 3.33] } { Blunder. Rc1+ was best. } { [%clk 0:18:10] } 26. Rd7+?? { [%eval 0.0] } { Blunder. fxg6+ was best. } { [%clk 0:08:21] } 26... Ke8 { [%eval 0.0] [%clk 0:18:19] } 27. fxe6 { [%eval 0.0] [%clk 0:08:28] } 27... Qc4 { [%eval 0.0] [%clk 0:12:43] } 28. Qxc4 { [%eval 0.0] [%clk 0:02:14] } 28... bxc4 { [%eval 0.0] [%clk 0:12:18] } 29. Bc3 { [%eval 0.0] [%clk 0:01:51] } 29... Rxe6 { [%eval 0.0] [%clk 0:09:35] } 30. Rc7 { [%eval 0.0] [%clk 0:01:52] } 30... Re4 { [%eval 0.03] [%clk 0:06:58] } 31. Rc8+ { [%eval 0.0] [%clk 0:02:15] } 31... Kf7 { [%eval 0.0] [%clk 0:06:51] } 32. Kf2 { [%eval 0.0] [%clk 0:02:08] } 32... Bd6 { [%eval 0.0] [%clk 0:02:02] } 33. Kf3 { [%eval 0.0] [%clk 0:01:44] } 33... Rf4+ { [%eval 0.0] [%clk 0:02:15] } 34. Ke3 { [%eval 0.0] [%clk 0:02:11] } 34... g5 { [%eval 0.0] [%clk 0:01:53] } 35. Rc6 { [%eval 0.0] [%clk 0:01:43] } 35... Ke7 { [%eval 0.0] [%clk 0:02:05] } 36. Bd4 { [%eval 0.0] [%clk 0:01:45] } 36... Ke6 { [%eval 0.01] [%clk 0:01:10] } 37. Rxa6 { [%eval 0.01] [%clk 0:01:47] } 1/2-1/2