Games played since 2015 year by Fumio Iwano (Saitama, Japan) in this fuseki

3
524
1
4bw
+ 2
= 1
-1 
?  

1Demachi Koichiro - Iwano Fumio
2Ishima Ryoma - Iwano Fumio
3Iwano Fumio - Nakayama Tomoharu
4Tomobe Katsuhiro - Iwano Fumio