Nikita Karpov (Ukraine, Zjoltye Vody) prefer positions after 5 moves

All years
5
2
14
3
2bw
+ 1
=  
- 1
?  
2
15
43
1bw
+  
=  
- 1
?  
2
41
35
1bw
+  
=  
- 1
?  
2
15
4
3
1bw
+  
=  
- 1
?