The knight’s tour is a puzzle which dates back to the 9th century, where the object is to move a knight to every square on the chessboard exactly once. There are two types of tour, open and closed. In a closed tour the knight returns to it’s original starting point. In an open tour it does not. In this version, you will earn more points for a closed tour than an open tour.
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ancient, chess, hamiltonian cycle, knight, knight's tour, math, puzzle, topology

