Games played since 2014 year by Yasushi Maruyama (Hamamatsu, Japan) in this fuseki

425
1
3
5bw
+11
= 1
- 2
?  

1Koyama Jun - Maruyama Yasushi
2Kato Daisuke - Maruyama Yasushi
3Yamamoto Yasuhiro - Maruyama Yasushi
4Maruyama Yasushi - Yamamoto Yasuhiro
5Hasegawa Kazuto - Maruyama Yasushi