Knight's Tour Challenge

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How to play

This "game" is basically an implementation of Knight's Tour problem.

You have to produce the longest possible sequence of moves of a chess knight, while visiting squares on the board only once. This sequence is called "tour". If your tour visits every square, then you have achieved a full tour. If you have achieved a full tour and from your last position you could move to your initial square, then you have achieved a closed full tour.

Currently occupied square is highlighted in pale blue, while possible moves are shown with pale green. Click on the currently occupied square to undo.