Games played since 2014 year by Konstantin Nikonov (Elektrostal, Russia) as black in this fuseki

42
513
5bw
+2 
=  
-21
?  

1Nikonov Konstantin - Epifanov Dmitry
2Nikonov Konstantin - Mikhailov Alexander
3Nikonov Konstantin - Karasyov Maxim
4Nikonov Konstantin - Lavrik-Karmazin Maksim