Games played by Sergey Volkov (Rybinsk, Russia) in this fuseki

5
43
2
1
4bw
+2 
= 1
-1 
?  

1Volkov Sergey - Klimashin Alexander
2Volkov Sergey - Salnikov Pavel
3Golosov Viktor - Volkov Sergey
4Volkov Sergey - Olyunin Sergey