Games played since 2014 year by Haoxuan Yin (Qinhuangdao, China) in this fuseki

425
1
3
3bw
+1 
=  
-2 
?  

1Yin Haoxuan - Kang Tingrui
2Yin Haoxuan - Han Ningyuan
3Yin Haoxuan - Cheng Jia