Biao Zhou (China, Shanghai) prefer positions after 5 moves

All years
3
245
1
2bw
+1 
=1 
-  
?  
3
524
1
2bw
+  
=  
- 2
?  
4
15
2
3
1bw
+  
=  
-1 
?  
425
1
3
1bw
+  
=  
- 1
?