Games played by Sergey Filippov (Moscow, Russia) in this fuseki

23
14
5
4bw
+2 
=11
-  
?  

1Tregubov Mikhail - Filippov Sergey
2Filippov Sergey - Poghosyan Albert
3Filippov Sergey - Milevsky Alexander
4Filippov Sergey - Bobkov Evgeniy