Games played by Konstantin Chingin (Zhigulyovsk, Russia) in this fuseki

425
1
3
5bw
+3 
=1 
-1 
?  

1Chingin Konstantin - Vershinin Pavel
2Chingin Konstantin - Kolk Peeter
3Chingin Konstantin - Timmermann Alvar
4Chingin Konstantin - Lin Liu-Min
5Chingin Konstantin - Iio Yoshihiro