This is my (somewhat incomplete) Warnsdorff's algorithm-solution to the Thedailywtf.com's programming praxis problem (on 13.08.2009):
http://thedailywtf.com/Articles/Automating-the-Knight%E2%80%99s-Tour.aspx
.
Size of chessboard (between 6 and 15):
Starting point (for example "C3"):
Animation delay (in ms):