Games played since 2014 year by Yasuhiro Yamamoto (Hamamatsu, Japan) in this fuseki

425
1
3
3bw
+1 
=  
-11
?  

1Yamamoto Yasuhiro - Ishitani Shin-ichi
2Yamamoto Yasuhiro - Maruyama Yasushi
3Maruyama Yasushi - Yamamoto Yasuhiro