Andrey Sergeev (Russia, Prokopyevsk) prefer positions after 5 moves

All years
42
1
5
3
1bw
+  
=  
- 1
?  
3
4
52
1
1bw
+  
=  
-1 
?  
3
5
2
1
4
1bw
+  
=  
- 1
?