I have three chess puzzles for you this week, but you don’t need to know the rules of chess for two of them. These two are variants of the famous eight queens puzzle, which asks solvers to position ...

Check out the chess board above—looks wrong, right? If you’ve ever played chess, you know something's amiss, here. For one thing, someone chose to exchange a pawn for another bishop instead of a queen ...

Take on Alexander Alekhine in a recreation of a 13th World Championship game in The Hague, 1929. Solve for the best series of moves. By Daniel Naroditsky See more of our coverage in your search ...