Puzzles Archive

  • Sator Square

    Sator Square

    The Sator Square is a word square containing a Latin palindrome featuring the words SATOR AREPO TENET OPERA ROTAS written in a square so that they may be read top-to-bottom, bottom-to-top, left-to-right, and right-to-left. The earliest known appearance of the square was found in the...

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  • The Knight’s Tour

    The Knight’s Tour

    The Knight’s Tour is a mathematical problem involving a knight on a chessboard. The knight is placed on the empty board and, moving according to the rules of chess, must visit each square exactly once. There are a great many solutions to the problem, of...

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