Booze is a game engine that can play a number of Chess like games. It is totally free and works on all major operating systems.
The current version plays Shogi, Tori Shogi and Mini-Shogi.
The game features 3D graphics and a simplified interface. Just right click on any piece if you can't remember what it is. The built in AI has difficulty levels appropriate for a wide range of players and is under heavy development to increase the playing strength on the higher settings.