Games played by Jiguo Zhang (Shanghai, China) as black in this fuseki

3
524
1
8bw
+41
= 1
-2 
?  

1Zhang Jiguo - Yang Aiguo
2Zhang Jiguo - Tan Zhifeng
3Zhang Jiguo - Qi Guan
4Zhang Jiguo - Xu Yepeng
5Zhang Jiguo - Shi Hexin
6Zhang Jiguo - Huang Shengming