For as long as chessboards have existed, there have been puzzles involving chessboards and chess pieces. Some of the most enduring conundrums involve knights.
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2003/10/3378.gif?resize=150%2C150&ssl=1)
According to the rules of chess, a knight makes an L-shaped move that shifts its position by a single square in one direction and two squares in a perpendicular direction. Indeed, the knight is the only chess piece that covers an asymmetrical pattern of squares.