Pincai Chen (China, unknown) prefer positions after 5 moves

All years
2
1
53
4
1bw
+  
=  
- 1
?  
4
2
1
35
1bw
+  
=  
-1 
?  
43
2
51
1bw
+  
=  
-1 
?  
3
24
15
1bw
+  
=  
- 1
?