Games played since 2014 year by Shunsuke Kamiya (Tokyo, Japan) in this fuseki

3
425
1
4bw
+2 
=1 
-1 
?  

1Kamiya Shunsuke - Nakayama Tomoharu
2Kamiya Shunsuke - Zhu Jianfeng
3Kamiya Shunsuke - Iio Yoshihiro
4Kamiya Shunsuke - Nakamura Shigeru