Chao-Chun Yang (Chinese Taipei, Taipei) prefer positions after 5 moves

All years
2
15
3
4
1bw
+ 1
=  
-  
?  
25
1
3
4
1bw
+ 1
=  
-  
?  
3
24
15
1bw
+  
=  
- 1
?  
2
1
43
5
1bw
+  
=  
-1 
?