Games played since 2014 year by
Jun Koyama
(Tokyo, Japan) in this fuseki
4
2
5
1
3
2
b
w
+
 
2
=
 
 
-
 
 
?
 
 
1
Ishitani Shin-ichi - Koyama Jun
2
Ishitani Shin-ichi - Koyama Jun
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