Games played by Takayuki Ono (Yokohama, Japan) in this fuseki

5
42
1
3
4bw
+21
=  
-1 
?  

1Ono Takayuki - Okabe Hiroshi
2Ono Takayuki - Maruyama Takashi
3Ono Takayuki - Iwano Fumio
4Maruta Hiroki - Ono Takayuki