Chuan-Yi Shih (Chinese Taipei, Kaohsiung) prefer positions after 5 moves

All yearsLast ten yearsLast three years
53
2
14
2bw
+  
=  
- 2
?  
53
2
14
2bw
+  
=  
- 2
?  
53
2
14
2bw
+  
=  
- 2
?  
5
2
413
2bw
+ 1
=  
- 1
?  
5
2
413
2bw
+ 1
=  
- 1
?  
5
2
413
2bw
+ 1
=  
- 1
?