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

5
2
13
4
3bw
+1 
=  
-11
?  

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