Games played by Yufeng Huang (Shanghai, China) in this fuseki

2
1
35
4
4bw
+3 
=  
-1 
?  

1Huang Yufeng - Zhang Yifeng
2Huang Yufeng - Ge Lingfeng
3Huang Yufeng - Huang Liqin
4Huang Yufeng - Qi Guan