Yuichi Tashiro (Japan, Tokyo) prefer positions after 5 moves

All years
2
13
4
5
2bw
+ 1
=  
- 1
?  
542
1
3
1bw
+ 1
=  
-  
?  
24
1
5
3
1bw
+ 1
=  
-  
?  
3
24
15
1bw
+  
=  
- 1
?