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

2
413
5
8bw
+52
= 1
-  
?  

1Koyama Jun - Topkin Georg-Romet
2Wang Qingqing - Koyama Jun
3Maruta Hiroki - Koyama Jun
4Koyama Jun - Nakamura Shigeru
5Koyama Jun - Nakamura Souta
6Koyama Jun - Okabe Hiroshi
7Matsuura Hiroshi - Koyama Jun
8Koyama Jun - Kusajima Masato