1K ZX Chess

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Artic Cover [1]

1K ZX Chess,
a chess program for the Sinclair ZX81, written in 1982 by David Horne in Z80 Assembly with a code size of 672 bytes, including the user interface, as published with listing in Your Computer, February 1983 [2] . 1K ZX Chess was commercially market by the author himself [3], and soon by Artic Computing [4] [5] , a software development company set up by Richard Turner and Chris A. Thornton [6] , a chess programmer himself, and author of Spectrum Chess [7] , which competed at the European MCC 1982 and 1983, and Turbo Chess for the ZX Spectrum [8] .

1K ZX Chess was further released by Sinclair Research in 1982 [9] . The program could only play white starting either with 1.e4 or 1.d4. Castling, promotions and en passant were not implemented, while a version for the unexpanded 2K Timex Sinclair 1000 include these moves [10] .



1K ZX Chess [11]

See also


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External Links

Magazine Page Scan from World of Spectrum, June 1982
Magazine Page Scan from World of Spectrum, July 1982


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