Games played since 2014 year by Daisuke Kato (Hamamatsu, Japan) in this fuseki

425
1
3
5bw
+2 
=  
-21
?  

1Kato Daisuke - Ishitani Shin-ichi
2Kato Daisuke - Kamikubo Mineo
3Kato Daisuke - Kato Hoko
4Kato Daisuke - Fukada Ren
5Fukada Ren - Kato Daisuke