Games lost by Konstantin Nikonov (Elektrostal, Russia) as black in this fuseki

542
1
3
47bw
+145
=144
-55
?  

1Nikonov Konstantin - Bobkov Evgeniy
2Nikonov Konstantin - Kawamura Norihiko
3Nikonov Konstantin - Milevsky Alexander
4Nikonov Konstantin - Filinov Vladimir
5Nikonov Konstantin - Bobkov Evgeniy