Games lost by Toshio Nishimura (Arao, Japan) as black in this fuseki

5
43
2
1
21bw
+15
=21
-75
?  

1Nishimura Toshio - Isobe Taizan
2Nishimura Toshio - Isobe Taizan
3Nishimura Toshio - Isobe Taizan
4Nishimura Toshio - Isobe Taizan
5Nishimura Toshio - Isobe Taizan
6Nishimura Toshio - Isobe Taizan
7Nishimura Toshio - Isobe Taizan