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Improve your chess.
Solve chess problems.

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1/16

Problems can now be assigned to groups from the edit page.

10/10

Text search for problems.

10/6

Fixing castling bugs. RSS feed for comments.

Total problems in database: 9447

Recent Problems

  AuthorRating
11204 Aristotle
11203 Aristotle 3000
11201 Aristotle 3000
11200 Aristotle 780
11199 Aristotle 500
11198 Aristotle 1905
11197 Aristotle 500
11196 Aristotle 1610
11195 Aristotle 1610
11194 Aristotle 1905