Queen's Tour/Examples/4 x 4

Example of Queen's Tour

 * Queens-Tour-4x4.png

As can be seen, the queen's tour on a $4 \times 4$ chessboard can be achieved in $2 \times 4 - 2 = 6$ moves.

However, the queen needs to go outside the $4 \times 4$ chessboard in order to do it.