Yoshihiro Matsuo (Japan, Osaka) prefer positions after 5 moves

All years
2
15
3
4
2bw
+  
=1 
- 1
?  
425
1
3
1bw
+  
=  
- 1
?  
25
1
3
4
1bw
+1 
=  
-  
?  
24
15
3
1bw
+  
=  
-1 
?