Games played since 2015 year by Oleg Semenov (Podyuga, Russia) in this fuseki

425
1
3
4bw
+3 
=  
-1 
?  

1Semenov Oleg - Shiryaevskaya Daria
2Semenov Oleg - Murumaa Mathias
3Semenov Oleg - Stoyanov Kirill
4Semenov Oleg - Fedotov Denis