Marion Franklin Tinsley (February 3, 1927 – April 3, 1995) was an American mathematician and checkers player. He is considered to be the greatest checkers player who ever lived.What are the rules of American checkers?
Checkers Rules. If the player whose move it is touches a piece that can be played, the player must move that piece or forfeit the game. If any part of a playable piece is moved over the angle of its square, the piece must be played in that direction. When the player’s hand is withdrawn from the board, the move is ended.