Games played by Yihang Shen (Anji, China) in this fuseki

4
2
1
35
4bw
+11
=  
-11
?  

1Dong Kan - Shen Yihang
2Shen Yihang - Cao Shuang
3Shen Yihang - Xie Weixiang
4Chen-Zeng Ziran - Shen Yihang