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

3
5
42
1
7bw
+23
=1 
- 1
?  

1Matyuk Valeri - Chernov Sergey
2Kaufman Victor - Chernov Sergey
3Chernov Sergey - Ivanov Alexey
4Chernov Sergey - Drozd Vladislav
5Chernov Sergey - Chizhikov Oleg
6Chizhikov Oleg - Chernov Sergey
7Chizhikov Oleg - Chernov Sergey