Shumin Kang (China, Beijing) prefer positions after 5 moves

All yearsLast ten years
3
24
15
1bw
+  
=  
- 1
?  
3
24
15
1bw
+  
=  
- 1
?  
3
42
1
1bw
+  
=  
- 1
?  
3
42
1
1bw
+  
=  
- 1
?