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