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The first dedicated chess computer of Cassia was the [[Cassia Chess Mate]] in 1979, a [[Clones:Category:Clone|clone]] of [[Ron Nelson|Ron Nelson's]] [[Chess Challenger|Chess Challenger 10]] <ref>[http://www.hiarcs.net/forums/viewtopic.php?t=6768&start=122 Re: Ron Nelson] by [[Ron Nelson|ChessChallenger]], [[Computer Chess Forums|Hiarcs Forum]], December 24, 2015</ref> <ref>[http://www.schaakcomputers.nl/hein_veldhuis/database/files/09-1979%20%5BA-3976%5D%20Cassia%20-%20Chess%20Mate.pdf Cassia - Chess Mate], pdf hosted by [[Hein Veldhuis]] (Dutch)</ref>, also shipped as ''Toytronic Chess Electronics'' <ref>[http://www.schach-computer.info/wiki/index.php/Toytronic_Chess_Electronics Toytronic Chess Electronics] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)</ref> <ref>[http://www.schaakcomputers.nl/hein_veldhuis/database/files/10-1979%20%5BA-5970%5D%20Toytronic%20-%20Chess%20Electronics.pdf Toytronic - Chess Electronics], pdf hosted by [[Hein Veldhuis]] (Dutch)</ref>, and ''CXG Computachess I'' <ref>[http://www.hiarcs.net/forums/viewtopic.php?t=6768&start=205 Re: Ron Nelson Chess Challenger 10] by [[Ron Nelson|ChessChallenger]], [[Computer Chess Forums|Hiarcs Forum]], January 24, 2016</ref>.

In 1981, Eric White started the collaboration with [[David Levy|David Levy's]] and [[Kevin O’Connell|Kevin O’Connell's]] new company [[Intelligent Software]]. ''White and Allcock's'' first own dedicated chess computer was the [[CXG Sensor Computachess]] <ref>[http://www.schach-computer.info/wiki/index.php/CXG_Sensor_Computachess CXG Sensor Computachess] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> with a 4-bit [https://en.wikipedia.org/wiki/Hitachi_Ltd. Hitachi] processor [[HMCS4xC|HD44801]], and the program by [[Mark Taylor]] using only 160 [[Nibble|nibbles]] of [[Memory#RAM|RAM]], which predecessor was already instantiated in the [[Saitek|SciSys]] [[Mini Chess]] series earlier this year. '''CXG''' became brand name of ''White and Allcock'' and since 1984 CXG Newcrest Technology Ltd.

Chess computers were designed in Hong Kong, manufactured in China, and then marketed under various brand names and retailers, including [[Newcrest Technology#CXG|CXG]] <ref>[http://www.spacious-mind.com/html/cxg.html CXG Electronic Chess Computers] from [[The Spacious Mind]]</ref> <ref>[http://www.schach-computer.info/wiki/index.php/CXG CXG] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref>, Computer Games Ltd. (CGL), ComputaChess, Crown, Hanimex, Unimex, [https://en.wikipedia.org/wiki/Tandy_Corporation Tandy] via [https://en.wikipedia.org/wiki/RadioShack RadioShack], [[Newcrest Technology#Krypton|Krypton]] <ref>[http://www.spacious-mind.com/html/krypton.html Krypton] from [[The Spacious Mind]]</ref> <ref>[http://www.schach-computer.info/wiki/index.php/Krypton Krypton] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref>, [https://en.wikipedia.org/wiki/Amstrad_CPC#Schneider_Computer_Division Schneider] <ref>[http://www.schach-computer.info/wiki/index.php/Schneider Schneider] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> <ref>[http://www.spacious-mind.com/html/schneider.html Schneider Electronic Chess Computers] from [[The Spacious Mind]]</ref>, Systema and Toytronic. In 1998 in partnership with [https://en.wikipedia.org/wiki/Tiger_Electronics Tiger Electronics] ([https://en.wikipedia.org/wiki/Hasbro Hasbro]) <ref>[http://www.spacious-mind.com/html/tiger.html Tiger Electronic Chess Computers] from [[The Spacious Mind ]]</ref>, White produced the [http://www.schach-computer.info/wiki/index.php/Tiger_Grenadier Tiger Grenadier] and [http://www.xs4all.nl/%7Etluif/chescom/EngTigVM.html Tiger Voice Master] <ref>[http://www.xs4all.nl/%7Etluif/chescom/EngTigVM.html Tiger Voice Master] from [http://www.xs4all.nl/~tluif/EngStart.html Tom's English Homepage] by [http://www.xs4all.nl/~tluif/ [Tom Luif]]</ref>. Chess computers were also manufactured for [[Excalibur Electronics|Excalibur]] and [[Millennium 2000]] <ref>[http://www.schaakcomputers.nl/hein_veldhuis/database/files/Millennium%20information.pdf De firma Millennium 2000 GmbH Hegener & Weiner in vogelvlucht] by [[Hein Veldhuis]], Dutch and German pdf</ref>. [[David Levy]] was the source of programs for all cheaper models <ref>[http://www.chesscomputeruk.com/html/chess_computers_-_the_uk_story.html Chess Computers - The UK Story] by [[Mike Watters]]</ref>, using ''Sunplus 8-bit'' chips <ref>[http://mcu.sunplusmcu.com/applications/Treadmill.asp Sunplus MCU]</ref> (now ''Generalplus'' <ref>[http://www.generalplus.com/ Generalplus homepage]</ref>).

* [http://www.hiarcs.net/forums/viewtopic.php?t=6768&start=205 Re: Ron Nelson Chess Challenger 10] by [[Ron Nelson|ChessChallenger]], [[Computer Chess Forums|Hiarcs Forum]], January 24, 2016 » [[Cassia Chess Mate]] [[Clones:Category:Clone|clone]] of [[Chess Challenger|Chess Challenger 10]]