Knight’s Tour Puzzle: Visit Every Square on the Chessboard Exactly Once

The weekend is the perfect time to rest — by thinking through a beautiful problem. There’s already one puzzle in the works (solution coming Monday), but a little extra brain exercise never hurts. So here’s another one for today:

The Knight’s Tour Chess Challenge

Move a knight across every square of the chessboard, visiting each square exactly once. Start from the bottom-left corner of the board (a1).