Games played by Yasushi Maruyama (Hamamatsu, Japan) in this fuseki

5
42
1
3
7bw
+5 
=  
-11
?  

1Maruyama Yasushi - Kato Daisuke
2Maruyama Yasushi - Yamamoto Yasuhiro
3Maruyama Yasushi - Kishi Yoshinori
4Maruyama Yasushi - Fujita Yudai
5Maruyama Yasushi - Takazawa Nagayoshi
6Iio Yoshihiro - Maruyama Yasushi
7Maruyama Yasushi - Kamikubo Mineo