Event: K-12 International Schools Chess Open 2025 G3-G5
Site: Shanghai American School Puxi, China
White: Yang, Yifei
Black: Lu, Siyuan
Result: 1-0
ECO: C78
Opening: Ruy Lopez: Morphy Defense
Variant: Standard
TimeControl: 20+5

1. e4 { [%eval 0.18] [%clk 0:20:08] } 1... e5 { [%eval 0.21] [%clk 0:20:09] } 2. Nf3 { [%eval 0.13] [%clk 0:20:12] } 2... Nc6 { [%eval 0.17] [%clk 0:20:13] } 3. Bb5 { [%eval 0.08] [%clk 0:20:15] } 3... a6 { [%eval 0.21] [%clk 0:20:17] } 4. Ba4 { [%eval 0.27] [%clk 0:20:19] } 4... Nf6 { [%eval 0.18] [%clk 0:19:57] } 5. O-O { [%eval 0.13] [%clk 0:20:21] } 5... b5 { [%eval 0.3] [%clk 0:19:48] } 6. Bb3 { [%eval 0.29] [%clk 0:20:25] } 6... Be7 { [%eval 0.38] [%clk 0:19:47] } 7. Nc3 { [%eval 0.0] [%clk 0:20:22] } 7... O-O { [%eval 0.15] [%clk 0:19:42] } 8. Nd5 { [%eval -0.16] [%clk 0:20:25] } 8... Nxd5 { [%eval 0.36] [%clk 0:19:45] } 9. Bxd5 { [%eval 0.38] [%clk 0:20:26] } 9... Bf6? { [%eval 1.75] } { Mistake. Rb8 was best. } { [%clk 0:19:16] } 10. c3? { [%eval 0.4] } { Mistake. d4 was best. } { [%clk 0:20:23] } 10... Bb7 { [%eval 0.46] [%clk 0:19:13] } 11. d4 { [%eval 0.46] [%clk 0:20:26] } 11... Re8?? { [%eval 2.24] } { Blunder. d6 was best. } { [%clk 0:19:03] } 1-0