Games played since 2014 year by Koichiro Demachi (Tokyo, Japan) in this fuseki

3
524
1
4bw
+ 1
=  
-21
?  

1Demachi Koichiro - Kamiya Shunsuke
2Maruta Koji - Demachi Koichiro
3Demachi Koichiro - Iwano Fumio
4Nishizawa Aoi - Demachi Koichiro