Games played by Yining Zheng (Zhejiang, China) in this fuseki

425
1
3
4bw
+21
=  
-1 
?  

1Zheng Yining - Zhu Yao
2Zheng Yining - Yu Yajun
3Zheng Yining - Wang Zhe
4Cao Xueyu - Zheng Yining