Event: \Boyi Cup\China Youth Chess International Open Tournament 2025(Group B)
Site: https://lichess.org/broadcast/boyi-cup--international-youth-open-2025--group-b/round-4/Bs7sUmUU/8YmaB4mo
White: Zhou, Guoyu
WhiteElo: 1835
Black: Wei, Zhengchen
BlackElo: 1750
Result: 1/2-1/2
ECO: D19
Opening: Slav Defense: Czech Variation, Classical System, Main Line
Variant: Standard
TimeControl: 60+30

1. d4 { [%eval 0.17] [%clk 1:00:56] } 1... d5 { [%eval 0.2] [%clk 1:00:40] } 2. c4 { [%eval 0.18] [%clk 1:01:20] } 2... c6 { [%eval 0.21] [%clk 1:01:02] } 3. Nc3 { [%eval 0.17] [%clk 1:01:45] } 3... Nf6 { [%eval 0.2] [%clk 1:01:26] } 4. Nf3 { [%eval 0.16] [%clk 1:02:09] } 4... dxc4 { [%eval 0.29] [%clk 1:01:45] } 5. a4 { [%eval 0.28] [%clk 1:02:34] } 5... Bf5 { [%eval 0.28] [%clk 1:02:06] } 6. e3 { [%eval 0.19] [%clk 1:02:59] } 6... e6 { [%eval 0.13] [%clk 1:02:29] } 7. Bxc4 { [%eval 0.17] [%clk 1:03:24] } 7... Bb4 { [%eval 0.23] [%clk 1:02:35] } 8. O-O { [%eval 0.23] [%clk 1:03:15] } 8... O-O { [%eval 0.23] [%clk 1:02:27] } 9. Qe2 { [%eval 0.34] [%clk 0:58:57] } 9... Bg6 { [%eval 0.24] [%clk 1:01:23] } 10. Rd1 { [%eval 0.2] [%clk 0:58:46] } 10... Nbd7 { [%eval 0.26] [%clk 1:00:57] } 11. Bd3 { [%eval 0.16] [%clk 0:58:29] } 11... Bxd3 { [%eval 0.07] [%clk 0:57:56] } 12. Qxd3 { [%eval 0.1] [%clk 0:58:46] } 12... Qc7 { [%eval 0.17] [%clk 0:55:36] } 13. e4 { [%eval 0.1] [%clk 0:49:32] } 13... e5 { [%eval 0.1] [%clk 0:51:59] } 14. Be3 { [%eval -0.03] [%clk 0:48:09] } 14... Ng4 { [%eval 0.41] [%clk 0:39:19] } 15. d5 { [%eval 0.19] [%clk 0:45:38] } 15... Bxc3 { [%eval 0.19] [%clk 0:37:12] } 16. Qxc3 { [%eval 0.13] [%clk 0:45:29] } 16... Nxe3 { [%eval 0.21] [%clk 0:38:04] } 17. Qxe3 { [%eval 0.19] [%clk 0:45:37] } 17... cxd5 { [%eval 0.17] [%clk 0:38:18] } 18. Rxd5 { [%eval 0.16] [%clk 0:43:22] } 18... Rac8 { [%eval 0.18] [%clk 0:24:04] } 19. b3 { [%eval 0.0] [%clk 0:40:02] } 19... Nf6 { [%eval 0.02] [%clk 0:23:42] } 20. Rd3 { [%eval -0.01] [%clk 0:38:28] } 20... Ng4 { [%eval 0.02] [%clk 0:17:31] } 21. Qe2 { [%eval 0.0] [%clk 0:33:29] } 21... Qc2 { [%eval 0.16] [%clk 0:15:40] } 22. Qxc2 { [%eval 0.25] [%clk 0:16:48] } 22... Rxc2 { [%eval 0.26] [%clk 0:16:04] } 23. Nd2 { [%eval 0.41] [%clk 0:17:11] } 23... Rcc8 { [%eval 0.91] [%clk 0:12:14] } 24. Nc4 { [%eval 0.79] [%clk 0:15:36] } 24... f6? { [%eval 1.99] } { Mistake. Nf6 was best. } { [%clk 0:11:16] } 25. f3 { [%eval 1.8] [%clk 0:15:38] } 25... Nh6 { [%eval 1.84] [%clk 0:11:33] } 26. Rad1?! { [%eval 1.12] } { Inaccuracy. Rd7 was best. } { [%clk 0:11:22] } 26... Nf7?! { [%eval 2.14] } { Inaccuracy. Rc7 was best. } { [%clk 0:11:25] } 27. Rd7 { [%eval 2.07] [%clk 0:11:17] } 27... Rfd8 { [%eval 2.35] [%clk 0:11:22] } 28. R1d5 { [%eval 2.27] [%clk 0:08:48] } 28... Rb8 { [%eval 2.01] [%clk 0:10:32] } 29. Na5? { [%eval 0.66] } { Mistake. b4 was best. } { [%clk 0:08:02] } 29... Rxd7 { [%eval 0.86] [%clk 0:07:36] } 30. Rxd7 { [%eval 0.8] [%clk 0:08:30] } 30... Nd8 { [%eval 0.57] [%clk 0:07:52] } 31. Kf2 { [%eval 0.18] [%clk 0:08:30] } 31... a6 { [%eval 0.25] [%clk 0:08:02] } 32. Nc4 { [%eval 0.0] [%clk 0:05:43] } 32... b5 { [%eval 0.01] [%clk 0:08:12] } 33. Nd6 { [%eval 0.0] [%clk 0:03:59] } 33... bxa4 { [%eval 0.0] [%clk 0:07:01] } 34. bxa4 { [%eval 0.0] [%clk 0:04:27] } 34... Ne6 { [%eval 0.0] [%clk 0:07:19] } 35. Nf5 { [%eval 0.0] [%clk 0:04:14] } 35... Rb2+ { [%eval 0.0] [%clk 0:06:10] } 36. Kf1 { [%eval 0.0] [%clk 0:02:29] } 36... Rb1+ { [%eval 0.0] [%clk 0:06:12] } 37. Kf2 { [%eval 0.0] [%clk 0:01:51] } 37... Rb2+ { [%eval 0.0] [%clk 0:06:38] } 38. Kf1 { [%clk 0:01:02] } 38... Rb1+ { [%clk 0:06:51] } 39. Kf2 { [%clk 0:00:52] } 1/2-1/2