Koichi Iida (Japan, unknown) prefer positions after 5 moves

All years
542
1
3
1bw
+ 1
=  
-  
?  
5
3
24
1
1bw
+  
=  
- 1
?  
53
24
1
1bw
+ 1
=  
-  
?  
3
24
15
1bw
+  
=  
- 1
?