Games played by Shigemasa Koiso (Omihachiman, Japan) in this fuseki

3
524
1
3bw
+2 
=1 
-  
?  

1Koiso Shigemasa - Ozawa Tetsushi
2Koiso Shigemasa - Miyagawa Junzo
3Koiso Shigemasa - Yasumoto Yoshinobu