Games played since 2014 year by
Jun Koyama
(Tokyo, Japan) in this fuseki
4
2
5
1
3
3
b
w
+
 
 
=
 
 
-
2
1
?
 
 
1
Koyama Jun - Kamiya Shunsuke
2
Tachi Masaya - Koyama Jun
3
Koyama Jun - Liu Yang
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