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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 [1] . 1K ZX Chess was commercially market by the author himself [2], and soon by Artic Computing [3] [4] , a software development company set up by Richard Turner [5] and Chris 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 includes these moves [10] .
Artic Cover [11]

Screenshot

1kZXChess.JPG
1K ZX Chess [12]

See also


Publications


Forum Posts


External Links


References

  1. ^ David Horne (1983). Full ZX-81 Chess in 1K. Your Computer, February 1983
  2. ^ Magazine Page Scan from World of Spectrum, June 1982
  3. ^ Magazine Page Scan from World of Spectrum, July 1982
  4. ^ ZX81 Cassette Tape Information for 1K ZX Chess (Artic)
  5. ^ Brendon Gore (1982). Interview-One Degree In Artic. Your Computer, May 1982
  6. ^ Artic Software from Wikipedia
  7. ^ Chris A. Thornton - World of Spectrum
  8. ^ Turbo Chess - World of Spectrum
  9. ^ ZX81 Cassette Tape Information for 1K ZX Chess
  10. ^ Retrogaming Times Monthly - Issue #56 - January 2009
  11. ^ ZX81 Cassette Tape Information for 1K ZX Chess (Artic)
  12. ^ ZX81 Cassette Tape Information for 1K ZX Chess
  13. ^ Re: Old programs CHAOS and USC by Dann Corbit, CCC, July 11, 2015

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