Sergey Usov
(Russia, Saint Petersburg) prefer positions after 5 moves
All years
4
2
1
5
3
4
b
w
+
1
=
-
3
?
5
4
3
2
1
1
b
w
+
=
-
1
?
3
2
4
5
1
1
b
w
+
=
-
1
?
4
2
5
1
3
1
b
w
+
1
=
-
?
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