Gongbo Gu
(China, unknown) prefer positions after 5 moves
All years
4
2
5
1
3
2
b
w
+
1
 
=
 
 
-
1
 
?
 
 
3
5
2
4
1
2
b
w
+
 
1
=
 
 
-
 
1
?
 
 
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