The Chess Knight's Tour

While few people in the average audience know how to play chess, most people know enough about it to get the impression that it is complicated. It is not necessary that your audience know anything about the game to appreciate this effect. You sell them the idea of the difficulty of accomplishing the experiment in your Patter.

Performer has a blackboard on which are chalked off 64 small squares, each numbered. A spectator is asked to select any one of the numbers. The Magician then starts with that number to make his Chess Knight's Tour of the board. The problem which he solves is this: to move the Knight, starting at any point on the board, two squares at a time -- and thus to cover every square in 64 moves, ending up at the starting point.