Games played since 2014 year by
Jun Koyama
(Tokyo, Japan) in this fuseki
2
3
4
1
5
3
b
w
+
 
1
=
 
1
-
 
1
?
 
 
1
Nakamura Souta - Koyama Jun
2
Tamada Yoichi - Koyama Jun
3
Kawano Takahisa - Koyama Jun
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