Games played by Guochang Xu (Zhejiang, China) in this fuseki

4
2
1
35
4bw
+11
=  
-2 
?  

1Xu Guochang - Xie Weixiang
2Xu Guochang - Xie Zengzhong
3Xu Guochang - Xi Zhenyang
4Liang Wei - Xu Guochang