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

5
23
41
3bw
+11
=  
- 1
?  

1Ishitani Shin-ichi - Maruyama Yasushi
2Maruyama Yasushi - Mano Yoshihisa
3Kato Daisuke - Maruyama Yasushi