Taro Tsujibayashi (Japan, Sakai) prefer positions after 5 moves

All years
542
1
3
1bw
+  
=  
- 1
?  
42
15
3
1bw
+ 1
=  
-  
?  
5
23
14
1bw
+ 1
=  
-  
?  
425
1
3
1bw
+  
= 1
-  
?