Games played since 2014 year by Izumi Kubo (Kobe, Japan) in this fuseki

425
1
3
4bw
+1 
=  
-21
?  

1Kubo Izumi - Kobayashi Koichi
2Kubo Izumi - Kato Yasuhiro
3Ono Takayuki - Kubo Izumi
4Kubo Izumi - Tachi Masaya