Games played by Hiroshi Okabe (Tokyo, Japan) in this fuseki

5
4
23
1
4bw
+4 
=  
-  
?  

1Okabe Hiroshi - Isobe Taizan
2Okabe Hiroshi - Salnikov Pavel
3Okabe Hiroshi - Ishitani Shin-ichi
4Okabe Hiroshi - Ishitani Shin-ichi