a chess program as part of the Zorland Games Toolkit to accompany the Zorland  C compiler, released in 1986. According to a description by Carey Bloodworth, Zorland Chess was developed by the British company Oxford Mobius , programmers were Nigel Lea, Graham Barrie, et al.. It was a bitboard chess program, based on the Chess 4.x description by David Slate and Larry Atkin , and the didcatic Chess 0.5 Pascal program by Larry Atkin and Peter W. Frey published 1978/1979 in the Byte Magazine. The program featured CGA graphics and was able to ponder.
- Zorland, the company by Walter Bright, was later renamed to Zortech and Digital Mars, where Walter Bright created the D programming language
- Oxford Mobius - MobyGames
- David Slate, Larry Atkin (1977). Chess 4.5 - The Northwestern University Chess Program. Chess Skill in Man and Machine, reprinted (1988) in Computer Chess Compendium