Yu Du
(China, Beijing) prefer positions after 5 moves
All years
4
2
5
1
3
5
b
w
+
=
-
3
2
?
4
2
5
1
3
1
b
w
+
1
=
-
?
2
1
3
5
4
1
b
w
+
=
-
1
?
3
2
4
5
1
1
b
w
+
=
-
1
?
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