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Created page with "'''Home * Engines * CXG Sensor Computachess''' FILE:CXG001.jpg|border|right|thumb|344px|link=http://www.flickr.com/photos/10261668@N05/858173459/in/set-72..."
'''[[Main Page|Home]] * [[Engines]] * CXG Sensor Computachess'''
[[FILE:CXG001.jpg|border|right|thumb|344px|link=http://www.flickr.com/photos/10261668@N05/858173459/in/set-72157600923816793| Sensor Computachess, CXG 001 <ref>[http://www.flickr.com/photos/10261668@N05/sets/72157600923816793/ CXG-CGL Collection] by [[Steve Blincoe|Chewbanta]]</ref> ]]
'''CXG Sensor Computachess''',<br/>
a [[Dedicated Chess Computers|dedicated chess computer]] with integrated travel sensory pegboard. It was the '''first''' own computer under the brand name '''CXG''', manufactured by ''White and Allcock'', the forerunner of [[Newcrest Technology]] <ref>The very first one was the [[Cassia Chess Mate]] aka CXG Computachess I, a [[Clones|clone]] of [[Ron Nelson|Ron Nelson's]] [[Chess Challenger|Chess Challenger 10]]</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> <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>. It was in '''1981''', when [[Eric White]] started to collaborate with [[David Levy]] and [[Kevin O’Connell]] on the software for the dedicated units. Levy and O’Connell were just in the process to loosen their relationship with [[Saitek|SciSys]], and their company [[Philidor Software]] was about to become [[Intelligent Software]] at that time.
=Sensor Computachess=
The Sensor Computachess had a [https://en.wikipedia.org/wiki/Hitachi_Ltd. Hitachi] '''HD44801''' 4-bit [https://en.wikipedia.org/wiki/CMOS CMOS] [https://en.wikipedia.org/wiki/Microcontroller microcontroller] with 2 K of 10-bit word [[Memory#ROM|ROM]] inside, 128 10-bit words of pattern ROM supported by pattern generation instructions with table lookup capability, and '''160''' [[Nibble|nibbles]] or digits (80 [[Byte|bytes]]) of [[Memory#RAM|RAM]] <ref>[http://www.ic-on-line.cn/view_download.php?id=1100207&file=0052%5Chd44801_398306.pdf HD44801_398306.PDF Datasheet Download --- IC-ON-LINE]</ref> . ''Philidor Software'' already had a program for that architecture, developed by [[Mark Taylor]] under guidance of Levy, marketed by [[Saitek|SciSys]] as [[Mini Chess]], [[Mini Chess#Junior|Junior Chess]] and [[Mini Chess#Graduate|Graduate Chess]].
The ''CXG Sensor Computachess'' and its 1982 successor '''CXG Computachess II''' were also marketed by various retailers and brand names, such as ''Tandy Computerized Chess'', ''Schneider Sensor Chesspartner MK3'' <ref>[http://www.schach-computer.info/wiki/index.php/Schneider_Sensor_Chesspartner_MK3 Schneider Sensor Chesspartner MK3] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)</ref> , ''Hanimex HCG 1500'' <ref>[http://www.ikincielim.com/iel/satranc-dama-tavla-elektronik-satranc-satilik-hanimex-hcg-1500-computachess_ilan_155345 Satranç, Dama, Tavla Elektronik Satranç Satılık HANIMEX HCG 1500 COMPUTACHESS]</ref> , ''CGL Computachess Travel Sensory'' <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] (German)</ref> and ''Systema Computachess'' <ref>[http://www.spacious-mind.com/html/computachess.html Systema Computachess Electronic Chess Computer] from [[The Spacious Mind]]</ref> . The related ''CXG Advanced Portachess'' was released in 1985 <ref>[http://www.schach-computer.info/wiki/index.php/CXG_Advanced_Portachess CXG Advanced Portachess] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)</ref> .
<span id="III"></span>
=Computachess III=
The '''CXG Computachess III''', released in 1984, had a [[6800]] instruction set compatible Hitachi [[6800#6301|HD6301V1]] 8-bit controller with 4 KB ROM and 256 byte RAM and the [[LogiChess]] program by [[Kaare Danielsen]] inside <ref>[http://www.danielsen.com/resume.shtml Resume for Kaare Danielsen]</ref> .
=See also=
* [[Cassia Chess Mate]]
* [[CXG Star Chess]]
* [[LogiChess]]
* [[Mini Chess]]
=Forum Posts=
* [http://hiarcs.net/forums/viewtopic.php?t=4691 Weakest Dedicated Chess Computer] by compguy, [[Computer Chess Forums|Hiarcs Forum]], February 09, 2012
=External Links=
==Computachess==
* [http://milady-chess.blogspot.de/p/sensor-computachess.html Milady and my dedicated chess computers: Sensor Computachess] by [[Yves Lejail]]
* [http://tluif.home.xs4all.nl/chescom/EngCXGSensC.html Sensor Computachess] by [http://www.xs4all.nl/%7Etluif/ Tom Luif]
* [http://electronicchess.free.fr/prehistory.html My Chess Computers - Prehistory]
* [http://www.spacious-mind.com/html/computachess.html Systema Computachess Electronic Chess Computer] from [[The Spacious Mind]]
* [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] (German)
==Computachess II==
* [http://www.spacious-mind.com/html/computachess_ii.html CXG Computachess II Electronic Chess Computer] from [[The Spacious Mind]]
* [http://www.schach-computer.info/wiki/index.php/CXG_Computachess_II CXG Computachess II] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)
==Computachess III==
* [http://www.spacious-mind.com/html/computachess_iii.html CXG Computachess III Electronic Chess Computer] from [[The Spacious Mind]]
* [http://www.schach-computer.info/wiki/index.php/CXG_Computachess_III CXG Computachess III] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)
=References=
<references />
'''[[Engines|Up one Level]]'''
[[FILE:CXG001.jpg|border|right|thumb|344px|link=http://www.flickr.com/photos/10261668@N05/858173459/in/set-72157600923816793| Sensor Computachess, CXG 001 <ref>[http://www.flickr.com/photos/10261668@N05/sets/72157600923816793/ CXG-CGL Collection] by [[Steve Blincoe|Chewbanta]]</ref> ]]
'''CXG Sensor Computachess''',<br/>
a [[Dedicated Chess Computers|dedicated chess computer]] with integrated travel sensory pegboard. It was the '''first''' own computer under the brand name '''CXG''', manufactured by ''White and Allcock'', the forerunner of [[Newcrest Technology]] <ref>The very first one was the [[Cassia Chess Mate]] aka CXG Computachess I, a [[Clones|clone]] of [[Ron Nelson|Ron Nelson's]] [[Chess Challenger|Chess Challenger 10]]</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> <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>. It was in '''1981''', when [[Eric White]] started to collaborate with [[David Levy]] and [[Kevin O’Connell]] on the software for the dedicated units. Levy and O’Connell were just in the process to loosen their relationship with [[Saitek|SciSys]], and their company [[Philidor Software]] was about to become [[Intelligent Software]] at that time.
=Sensor Computachess=
The Sensor Computachess had a [https://en.wikipedia.org/wiki/Hitachi_Ltd. Hitachi] '''HD44801''' 4-bit [https://en.wikipedia.org/wiki/CMOS CMOS] [https://en.wikipedia.org/wiki/Microcontroller microcontroller] with 2 K of 10-bit word [[Memory#ROM|ROM]] inside, 128 10-bit words of pattern ROM supported by pattern generation instructions with table lookup capability, and '''160''' [[Nibble|nibbles]] or digits (80 [[Byte|bytes]]) of [[Memory#RAM|RAM]] <ref>[http://www.ic-on-line.cn/view_download.php?id=1100207&file=0052%5Chd44801_398306.pdf HD44801_398306.PDF Datasheet Download --- IC-ON-LINE]</ref> . ''Philidor Software'' already had a program for that architecture, developed by [[Mark Taylor]] under guidance of Levy, marketed by [[Saitek|SciSys]] as [[Mini Chess]], [[Mini Chess#Junior|Junior Chess]] and [[Mini Chess#Graduate|Graduate Chess]].
The ''CXG Sensor Computachess'' and its 1982 successor '''CXG Computachess II''' were also marketed by various retailers and brand names, such as ''Tandy Computerized Chess'', ''Schneider Sensor Chesspartner MK3'' <ref>[http://www.schach-computer.info/wiki/index.php/Schneider_Sensor_Chesspartner_MK3 Schneider Sensor Chesspartner MK3] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)</ref> , ''Hanimex HCG 1500'' <ref>[http://www.ikincielim.com/iel/satranc-dama-tavla-elektronik-satranc-satilik-hanimex-hcg-1500-computachess_ilan_155345 Satranç, Dama, Tavla Elektronik Satranç Satılık HANIMEX HCG 1500 COMPUTACHESS]</ref> , ''CGL Computachess Travel Sensory'' <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] (German)</ref> and ''Systema Computachess'' <ref>[http://www.spacious-mind.com/html/computachess.html Systema Computachess Electronic Chess Computer] from [[The Spacious Mind]]</ref> . The related ''CXG Advanced Portachess'' was released in 1985 <ref>[http://www.schach-computer.info/wiki/index.php/CXG_Advanced_Portachess CXG Advanced Portachess] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)</ref> .
<span id="III"></span>
=Computachess III=
The '''CXG Computachess III''', released in 1984, had a [[6800]] instruction set compatible Hitachi [[6800#6301|HD6301V1]] 8-bit controller with 4 KB ROM and 256 byte RAM and the [[LogiChess]] program by [[Kaare Danielsen]] inside <ref>[http://www.danielsen.com/resume.shtml Resume for Kaare Danielsen]</ref> .
=See also=
* [[Cassia Chess Mate]]
* [[CXG Star Chess]]
* [[LogiChess]]
* [[Mini Chess]]
=Forum Posts=
* [http://hiarcs.net/forums/viewtopic.php?t=4691 Weakest Dedicated Chess Computer] by compguy, [[Computer Chess Forums|Hiarcs Forum]], February 09, 2012
=External Links=
==Computachess==
* [http://milady-chess.blogspot.de/p/sensor-computachess.html Milady and my dedicated chess computers: Sensor Computachess] by [[Yves Lejail]]
* [http://tluif.home.xs4all.nl/chescom/EngCXGSensC.html Sensor Computachess] by [http://www.xs4all.nl/%7Etluif/ Tom Luif]
* [http://electronicchess.free.fr/prehistory.html My Chess Computers - Prehistory]
* [http://www.spacious-mind.com/html/computachess.html Systema Computachess Electronic Chess Computer] from [[The Spacious Mind]]
* [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] (German)
==Computachess II==
* [http://www.spacious-mind.com/html/computachess_ii.html CXG Computachess II Electronic Chess Computer] from [[The Spacious Mind]]
* [http://www.schach-computer.info/wiki/index.php/CXG_Computachess_II CXG Computachess II] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)
==Computachess III==
* [http://www.spacious-mind.com/html/computachess_iii.html CXG Computachess III Electronic Chess Computer] from [[The Spacious Mind]]
* [http://www.schach-computer.info/wiki/index.php/CXG_Computachess_III CXG Computachess III] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)
=References=
<references />
'''[[Engines|Up one Level]]'''
