Games won by Yuuki Oosumi (Moriyama, Japan) in this fuseki

25
1
3
4
9bw
+31
=11
-12
?  

1Poghosyan Albert - Oosumi Yuuki
2Oosumi Yuuki - Hata Masayuki
3Oosumi Yuuki - Iio Yoshihiro
4Oosumi Yuuki - Iwano Fumio