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