Games lost since 2014 year by
Jun Koyama
(Tokyo, Japan) as black in this fuseki
4
2
5
1
3
6
b
w
+
1
1
=
1
 
-
2
1
?
 
 
1
Koyama Jun - Nakayama Tomoharu
2
Koyama Jun - Sushkov Vladimir
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