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

5
41
32
8bw
+42
=1 
-1 
?  

1Nikonov Konstantin - Sinitsyn Vladimir
2Nikonov Konstantin - Karasyov Maxim
3Nikonov Konstantin - Kryuchok Roman
4Nikonov Konstantin - Berezin Roman
5Nikonov Konstantin - Sadelov Igor
6Nikonov Konstantin - Sirategyan Karen