I. Frolov (Kazakhstan, Almaty) prefer positions after 5 moves

All years
3
5
2
1
4
1bw
+  
=  
- 1
?  
4
2
15
3
1bw
+  
=  
-1 
?  
3
4
52
1
1bw
+  
=  
- 1
?  
4
2
1
5
3
1bw
+  
=  
-1 
?