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

425
1
3
4bw
+4 
=  
-  
?  

1Oosumi Yuuki - Kim Su Chan
2Oosumi Yuuki - Kwon Jae-Woo
3Oosumi Yuuki - Matsuura Hiroshi
4Oosumi Yuuki - Sakamoto Hirouji