Games won by Sergey Filippov (Moscow, Russia) as black in this fuseki

4
2
1
35
49bw
+65
=614
-513
?  

1Filippov Sergey - Melnikov Sergey
2Filippov Sergey - Gaulitz Joachim
3Filippov Sergey - Chang Yi-Feng
4Filippov Sergey - Meritee Ando
5Filippov Sergey - Nikonova Natalya
6Filippov Sergey - Maltsev Oleg