Games lost since 2014 year by Shunsuke Kamiya (Tokyo, Japan) as black in this fuseki

23
14
5
10bw
+2 
=1 
-52
?  

1Kamiya Shunsuke - Nikonov Konstantin
2Kamiya Shunsuke - Fedorkin Oleg
3Kamiya Shunsuke - Qi Guan
4Kamiya Shunsuke - Tamada Yoichi
5Kamiya Shunsuke - Nakayama Tomoharu