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

3
524
1
4bw
+2 
=2 
-  
?  

1Oosumi Yuuki - Haikonen Kari
2Oosumi Yuuki - Piddubny Konstantin
3Oosumi Yuuki - Hasegawa Kazuto
4Oosumi Yuuki - Kise Katsumi