Yi-Chung Chen (Chinese Taipei, Taipei) prefer positions after 5 moves

All years
42
1
53
1bw
+  
=  
-1 
?  
3
24
51
1bw
+ 1
=  
-  
?  
23
154
1bw
+  
=  
- 1
?  
34
2
51
1bw
+  
=  
- 1
?  
425
1
3
1bw
+  
=  
- 1
?