Johan de Koning

**[[Home]] * [[People]] * Johan de Koning**
|| [[image:Koning14.jpg link="http://old.csvn.nl/gallery16.html"]] ||~   || **Johan de Koning**,
a Dutch professional computer chess and games programmer. Born in 1964, Johan de Koning started computer chess programming in the 80s. In 1987 Johan's chess program [[The King]], completely written in [[C]], had its debut at the [[Dutch Open Computer Chess Championship]] and finished shared fourth. After accepting an offer from [[TASC]], Johan de Koning became professional computer chess programmer. He ported his program to an [[ARM2]] [[https://en.wikipedia.org/wiki/Reduced_instruction_set_computing|RISC-processor]], which was sold as [[ChessMachine]] bundle with [[Ed Schroder|Ed Schröder's]] 1992 world champion program, including a plugin-card for [[IBM PC|PCs]]. Chessmachine the King was famous for its tactical and entertaining playing style, and was further adopted for various [[Dedicated Chess Computers|dedicated chess computers]], most notably [[TASC R30]], [[TASC R40]], [[Saitek]] [[RISC 2500]] and [[Mephisto Montreux]]. Johan's greatest commercial success was entering the [[IBM PC|PC]] and [[Windows]] mass market, when in 1993 The King became the chess engine of [[Chessmaster|Chessmaster 4000]] <ref>[[http://www.stmintz.com/ccc/index.php?id=287267|Re: Just Curious - Does anyone know Johan de Koning of Chessmaster fame?]] by [[John Merlino]], [[CCC]], February 28, 2003</ref> <ref>[[Mads Brevik]] (**1994**). //[[http://www.ibiblio.org/GameBytes/issue18/greviews/chess/chess.html|Chessmaster 4000 Turbo for Windows from Mindscape]]//. [[http://www.ibiblio.org/GameBytes/issue18/editor/pub.html|Game Bytes Magazine]]</ref>, which remains the best-selling chess franchise in history <ref>[[https://en.wikipedia.org/wiki/Chessmaster|Chessmaster from Wikipedia]]</ref> <ref>[[http://www.stmintz.com/ccc/index.php?id=117882|Re: Why is Chessmaster so popular in CCC?]] by [[John Merlino]], [[CCC]], July 05, 2000</ref>. ||
|| Johan de Koning <ref>[[http://old.csvn.nl/gallery16.html|2nd International CSVN Tournament (2002)]] Photos by [[Theo van der Storm]]</ref> ||~   ||^   ||
[[toc]]
=Other Games=
In 2000, Johan began to write programs for other [[Games|board games]]. His [[Amazons]] program [[http://www.game-ai-forum.org/icga-tournaments/program.php?id=164|8 Queens Problem]] and his [[Clobber]] program [[http://www.game-ai-forum.org/icga-tournaments/program.php?id=169|Pan]] were very successful [[ICGA]] tournament contenders. Johan also competed in 9x9 [[Go]] with [[http://www.game-ai-forum.org/icga-tournaments/program.php?id=97|Atarist]].

=Photos= 
|| [[image:MeyeKoni.jpg link="http://old.csvn.nl/mei2003toernooi.html"]] ||
|| [[Stefan Meyer-Kahlen]] and Johan de Koning, [[ICT 2003]] <ref>[[http://old.csvn.nl/mei2003toernooi.html|3rd International CSVN Tournament Leiden, Netherlands, May 16-18, 2003]]</ref> ||

=Selected Publications= 
* [[Ingo Althöfer]], [[Jens Lieberum]], [[Johan de Koning]], [[Stefan Meyer-Kahlen]], [[Thomas Rolle]], [[Jörg Sameith]] (**2003**). //Five visualizations of the k-best mode.// [[ICGA Journal#26_3|ICGA Journal, Vol. 26, No. 3]] <ref>[[http://www.althofer.de/k-best-visualisations.html|K-Best Visualisations]] by [[Ingo Althöfer]]</ref>
* [[Johan de Koning]] (**2004**). //8QP regains Amazons Title//. [[ICGA Journal#27_3|ICGA Journal, Vol. 27, No. 3]] » [[9th Computer Olympiad#Amazons|9th Computer Olympiad]]
* [[Johan de Koning]] (**2011**). //Invader prolongs Amazons Title//. [[ICGA Journal#34_2|ICGA Journal, Vol. 34, No. 2]] » [[15th Computer Olympiad#Amazons|15th Computer Olympiad]]
* [[Johan de Koning]] (**2012**). //Invader wins Amazons Tournament//. [[ICGA Journal#35_4|ICGA Journal, Vol. 35, No. 4]] » [[16th Computer Olympiad#Amazons|16th Computer Olympiad]]
* [[Ingo Althöfer]] (**2013**). //PAN wins Clobber Tournament - King of Clobber - De Koning and his PAN//. [[ICGA Journal#36_3|ICGA Journal, Vol. 36, No. 3]] » [[17th Computer Olympiad#Clobber|17th Computer Olympiad]]

=Forum Posts=
* [[http://www.stmintz.com/ccc/index.php?id=287267|Re: Just Curious - Does anyone know Johan de Koning of Chessmaster fame?]] by [[John Merlino]], [[CCC]], February 28, 2003
* [[http://www.stmintz.com/ccc/index.php?id=352090|Chessmaster X release forecast]] by [[Johan de Koning]], [[CCC]], February 29, 2004
* [[http://www.stmintz.com/ccc/index.php?id=352092|[OT] The Return of The King]] by [[Johan de Koning]], [[CCC]], February 29, 2004
* [[http://www.stmintz.com/ccc/index.php?id=365349|Chessmaster 9000 and SSDF summary]] by [[Johan de Koning]], [[CCC]], May 15, 2004
* [[http://www.stmintz.com/ccc/index.php?id=378198|Re: Chessmaster 10th Edition demo (technalities)]] by [[Johan de Koning]], [[CCC]], July 20, 2004

=External Links= 
* [[http://www.game-ai-forum.org/icga-tournaments/person.php?id=55|Johan de Koning's ICGA Tournaments]]
* [[http://www.schach-computer.info/wiki/index.php/Johan_de_Koning|De Koning, Johan]] from [[http://www.schach-computer.info/wiki/index.php/Hauptseite|Schachcomputer.info - wiki]] (German)
* [[http://www.rebel.nl/authors.htm|Meet the Authors]] by [[Ed Schroder|Ed Schröder]]

=References= 
<references />
=What links here?= 
[[include page="Johan de Koning" component="backlinks" limit="120"]]
**[[People|Up one level]]**