Games played since 2015 year by Hiroki Maruta (Tokyo, Japan) in this fuseki

52
1
43
4bw
+ 1
=1 
-2 
?  

1Maruta Hiroki - Sato Kiyotomi
2Maruta Hiroki - Sato Kiyotomi
3Iwano Fumio - Maruta Hiroki
4Maruta Hiroki - Ishitani Shin-ichi