The rook, for example, turns into a rock monster and kills a pawn by smashing his head.
Some battle sequences like Knight versus Knight or King versus Bishop are direct references to the black knight fight in Monty Python and the Holy Grail (1975) and the short battle between Indiana Jones and a swordsman in Raiders of the Lost Ark (1981).
Digitized sound is utilized in the DOS version for all battle sound effects and is played through the PC speaker, without the need for a sound card, using a technique akin to RealSound.
The game can be played against a human opponent (by hotseat, or by null modem or over a local area network in some ports) or against the computer\'s artificial intelligence (AI). The game has an opening library from over 30,000 moves (which were not available for the C64 and Apple versions).