Colossus Chess 4

Colossus is the best computer chess program available for any home computer, written using the very latest techniques by a computer chess programmer of eight years experience. It has been tested against a wide range of other chess programs and proven stronger than any of the opposition. It has the widest range of true features available, including some never before implemented on any home computer chess program.

Colossus also has a perfect understanding of all the rules of chess, including underpromotions, the fifty move rule and all draws by repetition. It can also handle all the standard mates, including the very difficult King, Bishop and Knight versus King.

Colossus also offers the choice between the usual two dimensional flat board display or the new three dimensional real life board which allied to optional joystick control makes it clear and easy to use. It comes with a comprehensive instruction manual and is easily the best chess program for casual and serious players alike.

Source:

Back of case - Commodore 64 (UK)