Checkers & Dame

This game is a real classic and has been played in many countries around the world for centuries. There are numerous variations of rules. The two best known are supported and played on an 8 x 8 board.
The program should be a challenge for small and large family members, but not an insurmountable hurdle. This is not about being the most powerful program on the planet. It should be easy to use and as much fun as possible.