Games played by Jun Koyama (Tokyo, Japan) in this fuseki

3
524
1
8bw
+11
=11
-31
?  

1Maruyama Yasushi - Koyama Jun
2Koyama Jun - Epifanov Dmitry
3Mano Yoshihisa - Koyama Jun
4Koyama Jun - Maruta Koji
5Koyama Jun - Mesila Villem
6Koyama Jun - Fedotov Denis
7Gardstrom Petter - Koyama Jun
8Koyama Jun - Nakayama Tomoharu