1K ZX Chess
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] .
Screenshot
1K ZX Chess [11]
See also
Publications
- David Horne (1982). Chess in 1K. Your Computer, December 1982
- David Horne (1983). ZX-81 Chess. Your Computer, January 1983
- David Horne (1983). Full ZX-81 Chess in 1K. Your Computer, February 1983
Forum Posts
- World smallest chess program by Óscar Toledo Gutiérrez, comp.lang.c, November 22, 2006
- Turnier: Schachcomputer vergleich zu alte Computerschach Spiele by Spacious Mind, Schachcomputer.info Forum, August 12, 2008 (German)
- 1k zx chess sources question by Maksim Korzh, CCC, July 21, 2021
External Links
- 1K ZX Chess from Wikipedia
- 1K ZX81 Chess Z80 Assembly listing © Copyright David Horne
- ZX81 Publisher Information for D. R. Horne
- ZX81 Cassette Tape Information for 1K ZX Chess
- 1K ZX Chess for ZX81 (1982), MobyGames
- 1K Chess Showdown - malevolent design weblog
- Computer Schach by Andre Adrian (German)
- Classic Computer Chess - ... The programs of yesteryear by Carey, hosted by the Internet Archive [12]
- The world's smallest chess engines by Albert Silver, ChessBase News, September 23, 2015 » 1K ZX Chess, BootChess, Toledo Nanochess, Micro-Max
References
- ↑ ZX81 Cassette Tape Information for 1K ZX Chess (Artic)
- ↑ David Horne (1983). Full ZX-81 Chess in 1K. Your Computer, February 1983
- ↑ Magazine Page Scan from World of Spectrum, June 1982
- ↑ Magazine Page Scan from World of Spectrum, July 1982
- ↑ ZX81 Cassette Tape Information for 1K ZX Chess (Artic)
- ↑ Artic Software from Wikipedia
- ↑ Chris A. Thornton - World of Spectrum
- ↑ Turbo Chess - World of Spectrum
- ↑ ZX81 Cassette Tape Information for 1K ZX Chess
- ↑ Retrogaming Times Monthly - Issue #56 - January 2009
- ↑ ZX81 Cassette Tape Information for 1K ZX Chess
- ↑ Re: Old programs CHAOS and USC by Dann Corbit, CCC, July 11, 2015
