Event: Round 4: Ma, Yuzhi - Sun, Yuanhang
Site: https://lichess.org/broadcast/2025/round-4/vs4rgmJD/V60PiWlP
Date: 2025-11-21
White: Ma, Yuzhi
WhiteElo: 1704
Black: Sun, Yuanhang
BlackElo: 1699
Result: 1/2-1/2
ECO: B22
Opening: Sicilian Defense: Alapin Variation, Smith-Morra Declined
Variant: Standard
TimeControl: 45+10

1. e4 { [%eval 0.18] [%clk 0:45:12] } 1... c5 { [%eval 0.25] [%clk 0:45:14] } 2. c3 { [%eval 0.0] [%clk 0:45:19] } 2... Nf6 { [%eval 0.02] [%clk 0:45:19] } 3. e5 { [%eval 0.07] [%clk 0:45:25] } 3... Nd5 { [%eval 0.1] [%clk 0:45:28] } 4. d4 { [%eval 0.0] [%clk 0:45:25] } 4... cxd4 { [%eval 0.0] [%clk 0:45:35] } 5. cxd4 { [%eval 0.0] [%clk 0:45:20] } 5... Nc6 { [%eval 0.2] [%clk 0:45:37] } 6. Nf3 { [%eval 0.01] [%clk 0:45:24] } 6... d6 { [%eval 0.0] [%clk 0:45:43] } 7. Bc4 { [%eval 0.0] [%clk 0:45:31] } 7... Nb6 { [%eval 0.0] [%clk 0:45:51] } 8. Bb5 { [%eval 0.08] [%clk 0:45:33] } 8... Bd7 { [%eval 0.1] [%clk 0:45:55] } 9. Nc3 { [%eval 0.16] [%clk 0:45:36] } 9... dxe5 { [%eval 0.25] [%clk 0:46:02] } 10. dxe5 { [%eval 0.06] [%clk 0:45:23] } 10... g6 { [%eval 0.11] [%clk 0:46:09] } 11. O-O { [%eval 0.14] [%clk 0:44:43] } 11... Bg7 { [%eval 0.22] [%clk 0:46:17] } 12. Bf4 { [%eval 0.06] [%clk 0:44:18] } 12... O-O { [%eval 0.19] [%clk 0:46:24] } 13. Re1 { [%eval -0.06] [%clk 0:44:16] } 13... a6 { [%eval 0.14] [%clk 0:44:42] } 14. Bd3 { [%eval 0.01] [%clk 0:43:55] } 14... Be6 { [%eval 0.0] [%clk 0:44:48] } 15. Be4 { [%eval 0.01] [%clk 0:42:45] } 15... Qc8 { [%eval 0.22] [%clk 0:36:07] } 16. Rc1 { [%eval 0.23] [%clk 0:41:40] } 16... Rd8 { [%eval 0.19] [%clk 0:33:39] } 17. Qc2 { [%eval 0.13] [%clk 0:40:21] } 17... Nc4?! { [%eval 0.88] } { Inaccuracy. Nd5 was best. } { [%clk 0:25:02] } 18. Bxc6?! { [%eval 0.0] } { Inaccuracy. Na4 was best. } { [%clk 0:38:59] } 18... Qxc6 { [%eval 0.0] [%clk 0:24:47] } 19. Ne4 { [%eval -0.52] [%clk 0:38:53] } 19... Rac8 { [%eval -0.47] [%clk 0:22:29] } 20. Qe2 { [%eval -0.36] [%clk 0:38:13] } 20... Qe8?! { [%eval 0.56] } { Inaccuracy. Qb5 was best. } { [%clk 0:18:33] } 21. b3 { [%eval 0.2] [%clk 0:36:11] } 21... Nb6 { [%eval 0.36] [%clk 0:18:01] } 22. Nc5 { [%eval 0.35] [%clk 0:35:35] } 22... Bd5 { [%eval 0.42] [%clk 0:11:03] } 23. Red1 { [%eval -0.1] [%clk 0:35:02] } 23... e6 { [%eval -0.11] [%clk 0:10:22] } 24. Nd4 { [%eval -0.36] [%clk 0:34:41] } 24... Qe7 { [%eval -0.36] [%clk 0:09:30] } 25. b4 { [%eval -0.81] [%clk 0:34:18] } 25... Nd7 { [%eval -0.42] [%clk 0:06:54] } 26. Nd3?! { [%eval -1.31] } { Inaccuracy. Qe3 was best. } { [%clk 0:34:02] } 26... Nb6 { [%eval -0.76] [%clk 0:06:20] } 27. Nc5 { [%eval -0.79] [%clk 0:34:05] } 27... Nd7 { [%eval -0.43] [%clk 0:06:17] } 28. Nd3?! { [%eval -1.28] } { Inaccuracy. Qe3 was best. } { [%clk 0:34:13] } 28... Nb6? { [%eval 0.0] } { Mistake. h6 was best. } { [%clk 0:06:17] } 29. Nc5 { [%eval -0.73] [%clk 0:34:22] } 29... Nd7?! { [%eval 0.0] } { Inaccuracy. h6 was best. } { [%clk 0:06:21] } 1/2-1/2