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

425
1
3
6bw
+31
=1 
- 1
?  

1Nikonov Konstantin - Serdyukov Egor
2Nikonov Konstantin - Mikhailov Alexander
3Nikonov Konstantin - Danilin Ivan