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

23
41
5
9bw
+5 
=1 
-21
?  

1Nikonov Konstantin - Nekrasov Denis
2Nikonov Konstantin - Skuridin Alexey
3Nikonov Konstantin - Kozhin Mikhail
4Nikonov Konstantin - Sushkov Vladimir
5Nikonov Konstantin - Filinov Vladimir
6Nikonov Konstantin - Artemyev Sergey
7Nikonov Konstantin - Rizvanov Edward
8Nikonov Konstantin - Meritee Ando