Games played since 2014 year by Yifeng Zhang (Shanghai, China) in this fuseki

42
51
3
7bw
+2 
=12
-11
?  

1Mei Fan - Zhang Yifeng
2Qi Guan - Zhang Yifeng
3Zhang Yifeng - Zhang Jiguo
4Zhang Yifeng - Mei Fan
5Zhang Yifeng - Ni Zhongxing
6Mei Fan - Zhang Yifeng
7Zhang Yifeng - Zhu Jianfeng