"Battle Chess" is a 1989 board game developed by Jim Sproul, Todd J. Camasta, Bruce Schlickbernd, Kurt Heiden, Bill (Weez) Dugan, Thomas R. Decker, Troy P. Worrell, Michael Quarles, Rebecca Heineman, and Alan Pavlish, and distributed by Interplay. It requires a 512K Apple IIgs.

Battle Chess manual contains the information you need for the copy protection questions