Games played since 2014 year by Yanzhen Cheng (Guangxi, China) in this fuseki

23
145
4bw
+3 
=  
-1 
?  

1Cheng Yanzhen - Chien Yung-Hsuan
2Cheng Yanzhen - Wang Yelin
3Cheng Yanzhen - Wan Junhong
4Cheng Yanzhen - Sun Qian