Alexander Kostomarov (Russia, Velikiye Luki) prefer positions after 5 moves

All years
4
2
1
35
2bw
+1 
= 1
-  
?  
3
5
42
1
1bw
+1 
=  
-  
?  
3
4
2
15
1bw
+1 
=  
-  
?