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Created page with "'''Home * Engines * 1K ZX Chess''' FILE:1KZXChessArtic.jpg|border|right|thumb|link=http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess%28Artic..."
'''[[Main Page|Home]] * [[Engines]] * 1K ZX Chess'''
[[FILE:1KZXChessArtic.jpg|border|right|thumb|link=http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess%28Artic%29.html| Artic Cover <ref>[http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess%28Artic%29.html ZX81 Cassette Tape Information for 1K ZX Chess] (Artic)</ref> ]]
'''1K ZX Chess''',<br/>
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|user interface]], as published with listing in [[Your Computer]], February 1983 <ref>[[David Horne]] ('''1983'''). ''[http://users.ox.ac.uk/~uzdm0006/scans/1kchess/ Full ZX-81 Chess in 1K]''. [[Your Computer]], February 1983</ref> . 1K ZX Chess was commercially market by the author himself <ref>[http://zx81stuff.org.uk/zx81/showmag.php?mag=SinclairUser/Issue003/Pages/SinclairUser00300061.jpg Magazine Page Scan from World of Spectrum, June 1982]</ref>, and soon by [[Artic Computing]] <ref>[http://www.zx81stuff.org.uk/zx81/showmag.php?mag=SinclairUser/Issue004/Pages/SinclairUser00400044.jpg Magazine Page Scan from World of Spectrum, July 1982]</ref> <ref>[http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess%28Artic%29.html ZX81 Cassette Tape Information for 1K ZX Chess] (Artic)</ref> , a software development company set up by Richard Turner and [[Chris Thornton]] <ref>[https://en.wikipedia.org/wiki/Artic_Software Artic Software from Wikipedia]</ref> , a chess programmer himself, and author of [[Spectrum Chess]] <ref>[http://www.worldofspectrum.org/infoseekpub.cgi?regexp=%5EChris+A.+Thornton$&loadpics=1 Chris A. Thornton - World of Spectrum]</ref> , which competed at the [[European MCC 1982]] and [[European MCC 1983|1983]], and [[Turbo Chess (GB)|Turbo Chess]] for the [[ZX Spectrum]] <ref>[http://www.worldofspectrum.org/infoseekid.cgi?id=0005457 Turbo Chess - World of Spectrum]</ref> .
1K ZX Chess was further released by [[Sinclair|Sinclair Research]] in 1982 <ref>[http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess.html ZX81 Cassette Tape Information for 1K ZX Chess]</ref> . The program could only play white starting either with 1.e4 or 1.d4. [[Castling]], [[Promotions|promotions]] and [[En passant|en passant]] were not implemented, while a version for the unexpanded 2K [https://en.wikipedia.org/wiki/Timex_Sinclair_1000 Timex Sinclair 1000] include these moves <ref>[http://my.stratos.net/~hewston95/RTM56/RTM56.html#ZX81 Retrogaming Times Monthly - Issue #56 - January 2009]</ref> .
=Screenshot=
[[FILE:1kZXChess.JPG|none|border|text-bottom|199px|link=http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess.html]]
1K ZX Chess <ref>[http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess.html ZX81 Cassette Tape Information for 1K ZX Chess]</ref>
=See also=
* [[Spectrum Chess]]
* [[SuperChess]]
* [[ZX Chess]]
* [[ZX Spectrum Chess]]
=Publications=
* [[David Horne]] ('''1982'''). ''Chess in 1K''. [[Your Computer]], December 1982
* [[David Horne]] ('''1983'''). ''ZX-81 Chess''. [[Your Computer]], January 1983
* [[David Horne]] ('''1983'''). ''[http://users.ox.ac.uk/~uzdm0006/scans/1kchess/ Full ZX-81 Chess in 1K]''. [[Your Computer]], February 1983
=Forum Posts=
* [http://groups.google.com/group/comp.lang.c/browse_frm/thread/19a9a3ada5f2791e World smallest chess program] by [[Óscar Toledo Gutiérrez]], [http://groups.google.com/group/comp.lang.c/topics comp.lang.c], November 22, 2006
* [http://www.schachcomputer.info/forum/f11/schachcomputer-vergleich-zu-alte-computerschach-spiele-1948-2.html Turnier: Schachcomputer vergleich zu alte Computerschach Spiele] by [[The Spacious Mind|Spacious Mind]], [http://www.schachcomputer.info/forum/portal.php Schachcomputer.info Forum], August 12, 2008 (German)
=External Links=
* [https://en.wikipedia.org/wiki/1K_ZX_Chess 1K ZX Chess from Wikipedia]
* [http://users.ox.ac.uk/~uzdm0006/scans/1kchess/assem.html 1K ZX81 Chess Z80 Assembly listing] © Copyright [[David Horne]]
* [http://zx81stuff.org.uk/zx81/generated/publisherinfo/d/DRHorne.html ZX81 Publisher Information for D. R. Horne]
: [http://zx81stuff.org.uk/zx81/showmag.php?mag=SinclairUser/Issue003/Pages/SinclairUser00300061.jpg Magazine Page Scan from World of Spectrum, June 1982]
* [http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess%28Artic%29.html ZX81 Cassette Tape Information for 1K ZX Chess] (Artic)
: [http://www.zx81stuff.org.uk/zx81/showmag.php?mag=SinclairUser/Issue004/Pages/SinclairUser00400044.jpg Magazine Page Scan from World of Spectrum, July 1982]
* [http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess.html ZX81 Cassette Tape Information for 1K ZX Chess]
* [http://www.mobygames.com/game/1k-zx-chess 1K ZX Chess for ZX81 (1982)], [https://en.wikipedia.org/wiki/MobyGames MobyGames]
* [http://malevolent.com/weblog/archive/2010/09/07/1k-chess-showdown/ 1K Chess Showdown - malevolent design weblog]
* [http://www.andreadrian.de/schach/ Computer Schach] by [[Andre Adrian]] (German)
* [http://web.archive.org/web/20071221115817/http://classicchess.googlepages.com/Chess.htm Classic Computer Chess - ... The programs of yesteryear] by [[Carey Bloodworth|Carey]], hosted by the [https://en.wikipedia.org/wiki/Internet_Archive Internet Archive] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=56938&start=2 Re: Old programs CHAOS and USC] by [[Dann Corbit]], [[CCC]], July 11, 2015</ref>
* [https://en.chessbase.com/post/the-world-s-smallest-chess-engines The world's smallest chess engines] by [[Albert Silver]], [[ChessBase|ChessBase News]], September 23, 2015 » [[1K ZX Chess]], [[BootChess]], [[Toledo|Toledo Nanochess]], [[Micro-Max]]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[FILE:1KZXChessArtic.jpg|border|right|thumb|link=http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess%28Artic%29.html| Artic Cover <ref>[http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess%28Artic%29.html ZX81 Cassette Tape Information for 1K ZX Chess] (Artic)</ref> ]]
'''1K ZX Chess''',<br/>
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|user interface]], as published with listing in [[Your Computer]], February 1983 <ref>[[David Horne]] ('''1983'''). ''[http://users.ox.ac.uk/~uzdm0006/scans/1kchess/ Full ZX-81 Chess in 1K]''. [[Your Computer]], February 1983</ref> . 1K ZX Chess was commercially market by the author himself <ref>[http://zx81stuff.org.uk/zx81/showmag.php?mag=SinclairUser/Issue003/Pages/SinclairUser00300061.jpg Magazine Page Scan from World of Spectrum, June 1982]</ref>, and soon by [[Artic Computing]] <ref>[http://www.zx81stuff.org.uk/zx81/showmag.php?mag=SinclairUser/Issue004/Pages/SinclairUser00400044.jpg Magazine Page Scan from World of Spectrum, July 1982]</ref> <ref>[http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess%28Artic%29.html ZX81 Cassette Tape Information for 1K ZX Chess] (Artic)</ref> , a software development company set up by Richard Turner and [[Chris Thornton]] <ref>[https://en.wikipedia.org/wiki/Artic_Software Artic Software from Wikipedia]</ref> , a chess programmer himself, and author of [[Spectrum Chess]] <ref>[http://www.worldofspectrum.org/infoseekpub.cgi?regexp=%5EChris+A.+Thornton$&loadpics=1 Chris A. Thornton - World of Spectrum]</ref> , which competed at the [[European MCC 1982]] and [[European MCC 1983|1983]], and [[Turbo Chess (GB)|Turbo Chess]] for the [[ZX Spectrum]] <ref>[http://www.worldofspectrum.org/infoseekid.cgi?id=0005457 Turbo Chess - World of Spectrum]</ref> .
1K ZX Chess was further released by [[Sinclair|Sinclair Research]] in 1982 <ref>[http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess.html ZX81 Cassette Tape Information for 1K ZX Chess]</ref> . The program could only play white starting either with 1.e4 or 1.d4. [[Castling]], [[Promotions|promotions]] and [[En passant|en passant]] were not implemented, while a version for the unexpanded 2K [https://en.wikipedia.org/wiki/Timex_Sinclair_1000 Timex Sinclair 1000] include these moves <ref>[http://my.stratos.net/~hewston95/RTM56/RTM56.html#ZX81 Retrogaming Times Monthly - Issue #56 - January 2009]</ref> .
=Screenshot=
[[FILE:1kZXChess.JPG|none|border|text-bottom|199px|link=http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess.html]]
1K ZX Chess <ref>[http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess.html ZX81 Cassette Tape Information for 1K ZX Chess]</ref>
=See also=
* [[Spectrum Chess]]
* [[SuperChess]]
* [[ZX Chess]]
* [[ZX Spectrum Chess]]
=Publications=
* [[David Horne]] ('''1982'''). ''Chess in 1K''. [[Your Computer]], December 1982
* [[David Horne]] ('''1983'''). ''ZX-81 Chess''. [[Your Computer]], January 1983
* [[David Horne]] ('''1983'''). ''[http://users.ox.ac.uk/~uzdm0006/scans/1kchess/ Full ZX-81 Chess in 1K]''. [[Your Computer]], February 1983
=Forum Posts=
* [http://groups.google.com/group/comp.lang.c/browse_frm/thread/19a9a3ada5f2791e World smallest chess program] by [[Óscar Toledo Gutiérrez]], [http://groups.google.com/group/comp.lang.c/topics comp.lang.c], November 22, 2006
* [http://www.schachcomputer.info/forum/f11/schachcomputer-vergleich-zu-alte-computerschach-spiele-1948-2.html Turnier: Schachcomputer vergleich zu alte Computerschach Spiele] by [[The Spacious Mind|Spacious Mind]], [http://www.schachcomputer.info/forum/portal.php Schachcomputer.info Forum], August 12, 2008 (German)
=External Links=
* [https://en.wikipedia.org/wiki/1K_ZX_Chess 1K ZX Chess from Wikipedia]
* [http://users.ox.ac.uk/~uzdm0006/scans/1kchess/assem.html 1K ZX81 Chess Z80 Assembly listing] © Copyright [[David Horne]]
* [http://zx81stuff.org.uk/zx81/generated/publisherinfo/d/DRHorne.html ZX81 Publisher Information for D. R. Horne]
: [http://zx81stuff.org.uk/zx81/showmag.php?mag=SinclairUser/Issue003/Pages/SinclairUser00300061.jpg Magazine Page Scan from World of Spectrum, June 1982]
* [http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess%28Artic%29.html ZX81 Cassette Tape Information for 1K ZX Chess] (Artic)
: [http://www.zx81stuff.org.uk/zx81/showmag.php?mag=SinclairUser/Issue004/Pages/SinclairUser00400044.jpg Magazine Page Scan from World of Spectrum, July 1982]
* [http://www.zx81stuff.org.uk/zx81/generated/tapeinfo/0/1KZXChess.html ZX81 Cassette Tape Information for 1K ZX Chess]
* [http://www.mobygames.com/game/1k-zx-chess 1K ZX Chess for ZX81 (1982)], [https://en.wikipedia.org/wiki/MobyGames MobyGames]
* [http://malevolent.com/weblog/archive/2010/09/07/1k-chess-showdown/ 1K Chess Showdown - malevolent design weblog]
* [http://www.andreadrian.de/schach/ Computer Schach] by [[Andre Adrian]] (German)
* [http://web.archive.org/web/20071221115817/http://classicchess.googlepages.com/Chess.htm Classic Computer Chess - ... The programs of yesteryear] by [[Carey Bloodworth|Carey]], hosted by the [https://en.wikipedia.org/wiki/Internet_Archive Internet Archive] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=56938&start=2 Re: Old programs CHAOS and USC] by [[Dann Corbit]], [[CCC]], July 11, 2015</ref>
* [https://en.chessbase.com/post/the-world-s-smallest-chess-engines The world's smallest chess engines] by [[Albert Silver]], [[ChessBase|ChessBase News]], September 23, 2015 » [[1K ZX Chess]], [[BootChess]], [[Toledo|Toledo Nanochess]], [[Micro-Max]]
=References=
<references />
'''[[Engines|Up one Level]]'''
