Games played by Chenzhi Ma (Beijing, China) in this fuseki

3
24
15
5bw
+ 1
=  
-31
?  

1Ma Chenzhi - Xu Jianxin
2Zhang Cai - Ma Chenzhi
3Ma Chenzhi - Wang Chenke
4Ma Chenzhi - Li Jiajun
5Liu Jinfeng - Ma Chenzhi