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

25
413
4bw
+ 2
=1 
-1 
?  

1Ono Takayuki - Kawamura Norihiko
2Tada Ayako - Ono Takayuki
3Ono Takayuki - Nakayama Tomoharu
4Hayashi Shoichi - Ono Takayuki