Games played since 2014 year by
Akihiro Koyama
(Tokyo, Japan) in this fuseki
5
2
4
1
3
2
b
w
+
 
1
=
 
 
-
 
1
?
 
 
1
Iwano Fumio - Koyama Akihiro
2
Matsumoto Hiro - Koyama Akihiro
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