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'''[[Main Page|Home]] * [[Tournaments]] * World Computer Chess Championship'''
The '''World Computer Chess Championship''' (WCCC) is an annual event organized by the [[ICGA]], where computer [[Chess|chess]] [[Engines|engines]] compete against each other.
=History=
The World Computer Chess Championship was created and organized by [[David Levy]], [[Ben Mittman]] and [[Monroe Newborn]] in 1974, as suggested by the Soviet programmers of [[Kaissa]] <ref>[http://www.computer-museum.ru/histsoft/kaissa1.htm История “Каиссы” Михаил Донской] [[Kaissa#HistoryofKaissa|History of Kaissa]] by [[Mikhail Donskoy]], (Russian), from [[Russian Virtual Computer Museum]]</ref> :
Since 1972 ''(1970 Editor)'' in the USA and Canada were hold the yearly championships of North America among the chess programs, organized by the [[ACM]]. The team of Kaissa directed the organizers of these tournaments to the thought to conduct a world championship, whose organization within the framework its regular congress took upon itself.
=ICCA=
Since [[WCCC 1977|1977]] the WCCC was organized by the [[ICCA]], which was founded 1977 in Toronto.
=Shannon Trophy=
The Champion is awarded by the [[Shannon Trophy]] <ref>[http://www.chessbase.com/newsdetail.asp?newsid=3936 The Shannon Trophy] Photo from [[ChessBase|ChessBase.com]]</ref> <ref>[http://old.csvn.nl/wk2002.html The Shannon Trophy] Photo from the [[CSVN]] Site</ref> .
{| class="wikitable" style="text-align: center
|- style="vertical-align:center;"
| [[File:shanny.jpg|240px|link=Shannon Trophy]]
| The<br/><br/>
'''Shannon Trophy'''<br/><br/>
for the<br/><br/>
World Computer Chess Champion!<br/><br/>
In Memoriam<br/><br/>
[[Claude Shannon]]<br/><br/>
<ref>[http://gilkalai.wordpress.com/2008/06/25/amir-ban-on-deep-junior/|Amir Ban on Deep Junior] from [http://gilkalai.wordpress.com Combinatorics and more - Gil Kalai’s blog]</ref>
|}
=Editions=
{| class="wikitable"
! colspan="2" | Edition
! Event
! Origin
! ICGA
! Participants
! Champion
|-
! 1st
| [[WCCC 1974]] || [https://en.wikipedia.org/wiki/Stockholm Stockholm] || [https://en.wikipedia.org/wiki/Sweden Sweden] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=14 WCCC 1974] || 13 || [[Kaissa]]
|-
! 2nd
| [[WCCC 1977]] || [https://en.wikipedia.org/wiki/Toronto Toronto] || [https://en.wikipedia.org/wiki/Canada Canada] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=15 WCCC 1977] || 16 || [[Chess (Program)|Chess 4.6]]
|-
! 3rd
| [[WCCC 1980]] || [https://en.wikipedia.org/wiki/Linz Linz] || [https://en.wikipedia.org/wiki/Austria Austria] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=16 WCCC 1980] || 18 || [[Belle]]
|-
! 4th
| [[WCCC 1983]] || [https://en.wikipedia.org/wiki/New_York_City New York] || [https://en.wikipedia.org/wiki/United_States USA] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=17 WCCC 1983] || 22 || [[Cray Blitz]]
|-
! 5th
| [[WCCC 1986]]
| [https://en.wikipedia.org/wiki/Cologne Cologne] || [https://en.wikipedia.org/wiki/West_Germany West Germany] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=18 WCCC 1986] || 22 || [[Cray Blitz]]
|-
! 6th
| [[WCCC 1989]] || [https://en.wikipedia.org/wiki/Edmonton Edmonton] || [https://en.wikipedia.org/wiki/Canada Canada] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=19 WCCC 1989] || 24 || [[Deep Thought]]
|-
! 7th
| [[WCCC 1992]] || [https://en.wikipedia.org/wiki/Madrid Madrid] || [https://en.wikipedia.org/wiki/Spain Spain] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=20 WCCC 1992] || 22 || [[ChessMachine]]
|-
! 8th
| [[WCCC 1995]] || [https://en.wikipedia.org/wiki/Shatin Shatin] || [https://en.wikipedia.org/wiki/Hong_Kong Hong Kong] - [https://en.wikipedia.org/wiki/People%27s_Republic_of_China China] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=21 WCCC 1995] || 24 || [[Fritz]]
|-
! 9th
| [[WCCC 1999]] || [https://en.wikipedia.org/wiki/Paderborn Paderborn] || [https://en.wikipedia.org/wiki/Germany Germany] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=22 WCCC 1999] || 30 || [[Shredder]]
|-
! 10th
| [[WCCC 2002]] || [https://en.wikipedia.org/wiki/Maastricht Maastricht] || [https://en.wikipedia.org/wiki/Netherlands The Netherlands] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=5 WCCC 2002] || 18 || [[Junior]]
|-
! 11th
| [[WCCC 2003]] || [https://en.wikipedia.org/wiki/Graz Graz] || [https://en.wikipedia.org/wiki/Austria Austria] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=3 WCCC 2003] || 16 || [[Shredder]]
|-
! 12th
| [[WCCC 2004]] || [https://en.wikipedia.org/wiki/Ramat_Gan Ramat-Gan] || [https://en.wikipedia.org/wiki/Israel Israel] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=2 WCCC 2004] || 14 || [[Junior]]
|-
! 13th
| [[WCCC 2005]] || [https://en.wikipedia.org/wiki/Reykjav%C3%ADk Reykjavík] || [https://en.wikipedia.org/wiki/Iceland Iceland] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=8 WCCC 2005] || 12 || [[Zappa]]
|-
! 14th
| [[WCCC 2006]] || [https://en.wikipedia.org/wiki/Turin Turin] || [https://en.wikipedia.org/wiki/Italy Italy] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=1 WCCC 2006] || 18 || [[Junior]]
|-
! 15th
| [[WCCC 2007]] || [https://en.wikipedia.org/wiki/Amsterdam Amsterdam] || [https://en.wikipedia.org/wiki/Netherlands The Netherlands] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=40 WCCC 2007] || 11 || [[Zappa]] <ref>After the [[World Computer Chess Championship#RybkaDisqualification|disqualification]] of [[Rybka]] in June 2011, [[Zappa]] is World Computer Chess Champion 2007</ref>
|-
! 16th
| [[WCCC 2008]] || [https://en.wikipedia.org/wiki/Beijing Beijing] || [https://en.wikipedia.org/wiki/People%27s_Republic_of_China China] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=37 WCCC 2008] || 9 || [[Hiarcs]] <ref>After the [[World Computer Chess Championship#RybkaDisqualification|disqualification]] of [[Rybka]] in June 2011, [[Hiarcs]] is World Computer Chess Champion 2008</ref>
|-
! 17th
| [[WCCC 2009]] || [https://en.wikipedia.org/wiki/Pamplona Pamplona] || [https://en.wikipedia.org/wiki/Spain Spain] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=41 WCCC 2009] || 9 || [[Junior]], [[Shredder]], [[Deep Sjeng]] <ref>After the [[World Computer Chess Championship#RybkaDisqualification|disqualification]] of [[Rybka]] in June 2011, [[Junior]], [[Shredder]] and [[Deep Sjeng]] are World Computer Chess Champions 2009</ref>
|-
! 18th
| [[WCCC 2010]] || [[JAIST]], [https://en.wikipedia.org/wiki/Kanazawa,_Ishikawa Kanazawa] || [https://en.wikipedia.org/wiki/Japan Japan] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=42 WCCC 2010] || 9 || [[Rondo]], [[Thinker]] <ref>After the [[World Computer Chess Championship#RybkaDisqualification|disqualification]] of [[Rybka]] in June 2011, [[Rondo]] and [[Thinker]] are World Computer Chess Champions 2010</ref>
|-
! 19th
| [[WCCC 2011]] || [[Tilburg University]], [https://en.wikipedia.org/wiki/Tilburg Tilburg] || [https://en.wikipedia.org/wiki/Netherlands The Netherlands] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=43 WCCC 2011] || 9 || [[Junior]]
|-
! 20th
| [[WCCC 2013]] || [https://en.wikipedia.org/wiki/Keio_University Keio University] [https://en.wikipedia.org/wiki/Campus_of_Keio_University#Hiyoshi_campus Kyōsei-kan], [https://en.wikipedia.org/wiki/Yokohama Yokohama] || [https://en.wikipedia.org/wiki/Japan Japan] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=44 WCCC 2013] || 6 || [[Junior]]
|-
! 21st
| [[WCCC 2015]] || [[Leiden University]], [https://en.wikipedia.org/wiki/Leiden Leiden] || [https://en.wikipedia.org/wiki/Netherlands The Netherlands] || [https://www.game-ai-forum.org/icga-tournaments/tournament.php?id=287 WCCC 2015] || 9 || [[Jonny]]
|-
! 22nd
| [[WCCC 2016]] || [[Leiden University]], [https://en.wikipedia.org/wiki/Leiden Leiden] || [https://en.wikipedia.org/wiki/Netherlands The Netherlands] || [https://icga.leidenuniv.nl/?page_id=1676 WCCC 2016] || 6 || [[Komodo]]
|-
! 23rd
| [[WCCC 2017]] || [[Leiden University]], [https://en.wikipedia.org/wiki/Leiden Leiden] || [https://en.wikipedia.org/wiki/Netherlands The Netherlands] || [https://icga.leidenuniv.nl/?page_id=1990 WCCC 2017] || 4 || [[Komodo]]
|-
! 24th
| [[WCCC 2018]] || [https://en.wikipedia.org/wiki/Stockholm Stockholm] || [https://en.wikipedia.org/wiki/Sweden Sweden] || || ||
|}
* [[ICGA Tournament Rules]] <ref>[https://www.game-ai-forum.org/icga-tournaments/event_info.php?id=12 WCCC Rules] Amsterdam, The Netherlands, June 11-18, 2007, The Board of the [[ICGA]]</ref>
=<span id="HardwareLimit"></span>Hardware Limit=
In 2009, ICGA president [[David Levy]] surprised potential participants of the [[WCCC 2009]] with an disputed short term decision, an [https://en.wikipedia.org/wiki/Multi-core_%28computing%29 8-cores] hardware limit <ref>[https://www.game-ai-forum.org/icga-tournaments/news_item.php?id=44 Clarification of the 8-cores rule for the WCCC (updated)]</ref> , a topic heavily discussed in various [[Computer Chess Forums|CC forums]] <ref>[https://www.game-ai-forum.org/icga-tournaments/phpBB3/viewtopic.php?f=15&t=66&sid=7beec583f707d8fb420e61bdc6c04157 Hardware limits in the WCCC] from [[Computer Chess Forums|The ICGA Forum]]</ref> . As a consequence, the [[ICGA]] initiated an opinion formation related to that issue with respect to future World Computer Chess Championships <ref>[http://hiarcs.net/forums/viewtopic.php?t=2434&sid=1bacbba2ebaee02ff0e112b5c1d9e8c3 Future World Computer Chess Championships] by [[Harvey Williamson]], [[Computer Chess Forums|Hiarcs Chess Forum]], June 12, 2009</ref>.
=<span id="WorldChessSoftwareChampionship"></span>World Chess Software Championship=
In September 2009, the [[ICGA]] announced following decision <ref>[http://hiarcs.net/forums/viewtopic.php?t=2683&sid=bac3b22ee9b7cfff9f9f0a8d553d3b08 WCCC 2010] by [[Harvey Williamson]], [[Computer Chess Forums|Hiarcs Forum]], September 28, 2009</ref> :
As a result of this input from the participants the ICGA has decided upon the following for the 2010 WCCC and subsequent years:
# The World Computer Chess Championship for the [[Shannon Trophy]] will be contested by teams who have '''no''' Restriction placed on them as to their choice of hardware.
# A new tournament will be introduced called the "[[World Chess Software Championship]]" to be held at the same location and during the same period as the WCCC. This will be a uniform platform event using computers loaned by the host organisation. In each game played in this tournament the two computers will be, so far as is possible, identical with respect to their hardware capabilities: number of cores, processor speed, memory size.
# Participants may compete in either or both of these tournaments for a single entry fee.
# The time control for the WCCC will be such as to aim for a 4-hour playing session, namely all moves in 1 hour 45 minutes plus an increment of 15 seconds per move.
# The time limit for the WCSC will be such as to aim for a 2-hour playing session, namely all moves in 45 minutes plus an increment of 15 seconds per move.
# The WCCC will be an 11-round Swiss System event if there are more than 12 entries, otherwise an all-play-all event.
# The number of rounds for the WCSC will be decided according to the number of entries in both events but there will be at least 9 rounds in the WCSC.
# There will as usual be a rest day for an excursion and time set aside for the speed championship.
David Levy
President [[ICGA]]
=<span id="RybkaDisqualification"></span>Rybka Disqualification 2011=
In June 2011, the [[ICGA]] has disqualified and banned [[Rybka]] and its programmer [[Vasik Rajlich]] from previous and future World Computer Chess Championships. The ICGA accuses Rajlich of plagiarizing two other programs, [[Crafty]] and [[Fruit]], and demands that he returns the trophies and prize money of the World Computer Chess Championships in [[WCCC 2007|2007]], [[WCCC 2008|2008]], [[WCCC 2009|2009]] and [[WCCC 2010|2010]] <ref>[http://www.chessvibes.com/?q=reports/rybka-disqualified-and-banned-from-world-computer-chess-championships Rybka disqualified and banned from World Computer Chess Championships | ChessVibes] by [http://www.chessvibes.com/?q=peterdoggers Peter Doggers], June 29, 2011</ref>, see [[ICGA Investigations]].
=<span id="NewFormat"></span>A New Format 2017=
On June 07, 2017, a few weeks before the upcoming [[WCCC 2017]] in [https://en.wikipedia.org/wiki/Leiden Leiden], ICGA president [[David Levy]] announced a new format (excerpt) <ref>[http://www.talkchess.com/forum/viewtopic.php?t=64208 Important announcement: World Computer Chess Championship] by [[Mark Lefler]], [[CCC]], June 07, 2017</ref><ref>[https://icga.leidenuniv.nl/?p=1972 Important announcement: World Computer Chess Championship – A New Format] by [[Mark Lefler]] on behalf of [[David Levy]], [[ICGA]], June 07, 2017</ref> <ref>[https://acg2017.wordpress.com/ Fifteenth International Conference on Advances in Computer Games 2017]</ref>:
Starting in 2018 the World Computer Chess Championship will be played as a match, between the reigning World Champion and a challenger chosen by a process which will be discussed amongst the ICGA Board and participants from recent years’ championships. That discussion will commence very soon after this year’s World Championship, which is taking place in Leiden from July 3rd-7th. This new format is akin to the [[FIDE]] [https://en.wikipedia.org/wiki/World_Chess_Championship World Championship] (for human Chess players).
For the [[WCCC 2017|2017 World Computer Chess Championship]] we are changing the format, removing the entry fee, and offering an expenses budget to each of the contestants. Our aim for 2017 will be to attract the strongest participants. There will be only 4 contestants, each of whom will receive 1,000 Euro for their expenses from the ICGA. The [[Komodo]] team have already indicated their acceptance, and we very much hope that some of the former World Champions and other leading programs will now find the event attractive and apply to participate.
=See also=
* [[Computer Olympiad]]
* [[History|History of Computer Chess]]
* [[ICGA]]
* [[ICGA Investigations]]
* [[World Chess Software Championship]]
* [[World Microcomputer Chess Championship]]
=Publications=
* [[Monroe Newborn|Monty Newborn]] ('''2011'''). ''[http://www.springer.com/computer/general+issues/book/978-0-85729-340-4 Beyond Deep Blue: Chess in the Stratosphere]''. [https://en.wikipedia.org/wiki/Springer_Science%2BBusiness_Media Springer], ISBN-13: 978-0857293404, [http://www.amazon.com/Beyond-Deep-Blue-Chess-Stratosphere/dp/0857293400 amazon]
: [[File:bejDeepBlue.jpg|link=http://www.springer.com/computer/general+issues/book/978-0-85729-340-4]]
* [[ICGA|The Board of ICGA]] ('''2013'''). ''Rules for the 20th World Computer-Chess Championship''. [[ICGA Journal#36_1|ICGA Journal, Vol. 36, No. 1]], [http://icga.uvt.nl/wp-uploads/2013/02/RULES-FOR-THE-20th-WCCC-and-other-tournaments-1.pdf pdf]
=Postings=
* [http://www.talkchess.com/forum/viewtopic.php?t=22013 Authors lend me your ear - Why aren't you entering?] by [[Charles Roberson]], [[CCC]], June 27, 2008
* [http://www.talkchess.com/forum/viewtopic.php?t=44000 World Computer Chess Championship ?] by [[Marco Costalba]], [[CCC]], June 09, 2012
* [http://www.talkchess.com/forum/viewtopic.php?t=46518 ICGA Olympiad 2013: Yokohama, Aug 12-18!] by [[Harm Geert Muller]], [[CCC]], December 21, 2012 <ref>[https://www.game-ai-forum.org/icga-tournaments/event.php?id=44|Yokohama 2013 (ICGA Tournaments)]</ref>
* [http://rybkaforum.net/cgi-bin/rybkaforum/topic_show.pl?tid=26290 ICGA Computer Olympiad 2013: Yokohama, Aug 12-18] by [[Harm Geert Muller]], [[Computer Chess Forums|Rybka Forum]], December 21, 2012
* [http://www.talkchess.com/forum/viewtopic.php?t=53132 Why don't strong engines enter WCCC?] by [[Syed Fahad]], [[CCC]], July 31, 2014
* [http://www.talkchess.com/forum/viewtopic.php?t=54972 WCCC 2015 Leiden] by [[Stefano Gemma]], [[CCC]], January 14, 2015
* [http://www.talkchess.com/forum/viewtopic.php?t=55395 ICGA's 2015 World Computer Chess Championship/Events] by [[Mark Lefler]], [[CCC]], February 19, 2015
* [http://hiarcs.net/forums/viewtopic.php?t=7197 World Computer Chess Championship 2015] by [[Harvey Williamson]], [[Computer Chess Forums|Hiarcs Forum]], May 07, 2015
* [http://www.talkchess.com/forum/viewtopic.php?t=60437 WCCC June 27th in Leiden] by [[Harvey Williamson]], [[CCC]], June 11, 2016
* [https://icga.leidenuniv.nl/?p=1966 2017 Events in Leiden] by [[Jan Krabbenbos]], [[ICGA]], April 22, 2017
* [http://www.talkchess.com/forum/viewtopic.php?t=64208 Important announcement: World Computer Chess Championship] by [[Mark Lefler]], [[CCC]], June 07, 2017
* [https://icga.leidenuniv.nl/?p=1972 Important announcement: World Computer Chess Championship – A New Format] by [[Mark Lefler]] on behalf of [[David Levy]], [[ICGA]], June 07, 2017
* [https://icga.leidenuniv.nl/?p=2281 World Computer Chess Championships 2018] by [[Mark Lefler]] on behalf of [[David Levy]], [[ICGA]], February 12, 2018
* [https://www.game-ai-forum.org/viewtopic.php?f=15&t=204 World Computer Chess Championships 2018] by [[Rémi Coulom]], [[Computer Chess Forums|Game-AI Forum]], February 12, 2018
* [https://icga.leidenuniv.nl/?p=2289 World Computer Chess Championships 2018 – Tournament schedule] by [[Mark Lefler]] on behalf of [[David Levy]], [[ICGA]], February 25, 2018
=External Links=
* [https://www.game-ai-forum.org/icga-tournaments/competition.php?id=1 World Computer Chess Championship - ICGA Tournament Site]
* [http://www.top-5000.nl/pgn.htm Important games] hosted by [[Ed Schroder|Ed Schröder]]
* [https://www.game-ai-forum.org/icga-tournaments/event.php?id=44 Yokohama 2013 (ICGA Tournaments)] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=46518 ICGA Olympiad 2013: Yokohama, Aug 12-18!] by [[Harm Geert Muller]], [[CCC]], December 21, 2012</ref>
* [https://en.wikipedia.org/wiki/World_Computer_Chess_Championship World Computer Chess Championship from Wikipedia]
* [http://www.mark-weeks.com/chess/wcc-comp.htm World Computer Chess Championship] by [[Mark Weeks]]
* [http://www.schach-computer.info/wiki/index.php/WCCC WCCC] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info - Wiki] (German)
=References=
<references />
'''[[Tournaments|Up one level]]'''
The '''World Computer Chess Championship''' (WCCC) is an annual event organized by the [[ICGA]], where computer [[Chess|chess]] [[Engines|engines]] compete against each other.
=History=
The World Computer Chess Championship was created and organized by [[David Levy]], [[Ben Mittman]] and [[Monroe Newborn]] in 1974, as suggested by the Soviet programmers of [[Kaissa]] <ref>[http://www.computer-museum.ru/histsoft/kaissa1.htm История “Каиссы” Михаил Донской] [[Kaissa#HistoryofKaissa|History of Kaissa]] by [[Mikhail Donskoy]], (Russian), from [[Russian Virtual Computer Museum]]</ref> :
Since 1972 ''(1970 Editor)'' in the USA and Canada were hold the yearly championships of North America among the chess programs, organized by the [[ACM]]. The team of Kaissa directed the organizers of these tournaments to the thought to conduct a world championship, whose organization within the framework its regular congress took upon itself.
=ICCA=
Since [[WCCC 1977|1977]] the WCCC was organized by the [[ICCA]], which was founded 1977 in Toronto.
=Shannon Trophy=
The Champion is awarded by the [[Shannon Trophy]] <ref>[http://www.chessbase.com/newsdetail.asp?newsid=3936 The Shannon Trophy] Photo from [[ChessBase|ChessBase.com]]</ref> <ref>[http://old.csvn.nl/wk2002.html The Shannon Trophy] Photo from the [[CSVN]] Site</ref> .
{| class="wikitable" style="text-align: center
|- style="vertical-align:center;"
| [[File:shanny.jpg|240px|link=Shannon Trophy]]
| The<br/><br/>
'''Shannon Trophy'''<br/><br/>
for the<br/><br/>
World Computer Chess Champion!<br/><br/>
In Memoriam<br/><br/>
[[Claude Shannon]]<br/><br/>
<ref>[http://gilkalai.wordpress.com/2008/06/25/amir-ban-on-deep-junior/|Amir Ban on Deep Junior] from [http://gilkalai.wordpress.com Combinatorics and more - Gil Kalai’s blog]</ref>
|}
=Editions=
{| class="wikitable"
! colspan="2" | Edition
! Event
! Origin
! ICGA
! Participants
! Champion
|-
! 1st
| [[WCCC 1974]] || [https://en.wikipedia.org/wiki/Stockholm Stockholm] || [https://en.wikipedia.org/wiki/Sweden Sweden] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=14 WCCC 1974] || 13 || [[Kaissa]]
|-
! 2nd
| [[WCCC 1977]] || [https://en.wikipedia.org/wiki/Toronto Toronto] || [https://en.wikipedia.org/wiki/Canada Canada] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=15 WCCC 1977] || 16 || [[Chess (Program)|Chess 4.6]]
|-
! 3rd
| [[WCCC 1980]] || [https://en.wikipedia.org/wiki/Linz Linz] || [https://en.wikipedia.org/wiki/Austria Austria] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=16 WCCC 1980] || 18 || [[Belle]]
|-
! 4th
| [[WCCC 1983]] || [https://en.wikipedia.org/wiki/New_York_City New York] || [https://en.wikipedia.org/wiki/United_States USA] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=17 WCCC 1983] || 22 || [[Cray Blitz]]
|-
! 5th
| [[WCCC 1986]]
| [https://en.wikipedia.org/wiki/Cologne Cologne] || [https://en.wikipedia.org/wiki/West_Germany West Germany] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=18 WCCC 1986] || 22 || [[Cray Blitz]]
|-
! 6th
| [[WCCC 1989]] || [https://en.wikipedia.org/wiki/Edmonton Edmonton] || [https://en.wikipedia.org/wiki/Canada Canada] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=19 WCCC 1989] || 24 || [[Deep Thought]]
|-
! 7th
| [[WCCC 1992]] || [https://en.wikipedia.org/wiki/Madrid Madrid] || [https://en.wikipedia.org/wiki/Spain Spain] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=20 WCCC 1992] || 22 || [[ChessMachine]]
|-
! 8th
| [[WCCC 1995]] || [https://en.wikipedia.org/wiki/Shatin Shatin] || [https://en.wikipedia.org/wiki/Hong_Kong Hong Kong] - [https://en.wikipedia.org/wiki/People%27s_Republic_of_China China] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=21 WCCC 1995] || 24 || [[Fritz]]
|-
! 9th
| [[WCCC 1999]] || [https://en.wikipedia.org/wiki/Paderborn Paderborn] || [https://en.wikipedia.org/wiki/Germany Germany] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=22 WCCC 1999] || 30 || [[Shredder]]
|-
! 10th
| [[WCCC 2002]] || [https://en.wikipedia.org/wiki/Maastricht Maastricht] || [https://en.wikipedia.org/wiki/Netherlands The Netherlands] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=5 WCCC 2002] || 18 || [[Junior]]
|-
! 11th
| [[WCCC 2003]] || [https://en.wikipedia.org/wiki/Graz Graz] || [https://en.wikipedia.org/wiki/Austria Austria] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=3 WCCC 2003] || 16 || [[Shredder]]
|-
! 12th
| [[WCCC 2004]] || [https://en.wikipedia.org/wiki/Ramat_Gan Ramat-Gan] || [https://en.wikipedia.org/wiki/Israel Israel] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=2 WCCC 2004] || 14 || [[Junior]]
|-
! 13th
| [[WCCC 2005]] || [https://en.wikipedia.org/wiki/Reykjav%C3%ADk Reykjavík] || [https://en.wikipedia.org/wiki/Iceland Iceland] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=8 WCCC 2005] || 12 || [[Zappa]]
|-
! 14th
| [[WCCC 2006]] || [https://en.wikipedia.org/wiki/Turin Turin] || [https://en.wikipedia.org/wiki/Italy Italy] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=1 WCCC 2006] || 18 || [[Junior]]
|-
! 15th
| [[WCCC 2007]] || [https://en.wikipedia.org/wiki/Amsterdam Amsterdam] || [https://en.wikipedia.org/wiki/Netherlands The Netherlands] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=40 WCCC 2007] || 11 || [[Zappa]] <ref>After the [[World Computer Chess Championship#RybkaDisqualification|disqualification]] of [[Rybka]] in June 2011, [[Zappa]] is World Computer Chess Champion 2007</ref>
|-
! 16th
| [[WCCC 2008]] || [https://en.wikipedia.org/wiki/Beijing Beijing] || [https://en.wikipedia.org/wiki/People%27s_Republic_of_China China] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=37 WCCC 2008] || 9 || [[Hiarcs]] <ref>After the [[World Computer Chess Championship#RybkaDisqualification|disqualification]] of [[Rybka]] in June 2011, [[Hiarcs]] is World Computer Chess Champion 2008</ref>
|-
! 17th
| [[WCCC 2009]] || [https://en.wikipedia.org/wiki/Pamplona Pamplona] || [https://en.wikipedia.org/wiki/Spain Spain] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=41 WCCC 2009] || 9 || [[Junior]], [[Shredder]], [[Deep Sjeng]] <ref>After the [[World Computer Chess Championship#RybkaDisqualification|disqualification]] of [[Rybka]] in June 2011, [[Junior]], [[Shredder]] and [[Deep Sjeng]] are World Computer Chess Champions 2009</ref>
|-
! 18th
| [[WCCC 2010]] || [[JAIST]], [https://en.wikipedia.org/wiki/Kanazawa,_Ishikawa Kanazawa] || [https://en.wikipedia.org/wiki/Japan Japan] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=42 WCCC 2010] || 9 || [[Rondo]], [[Thinker]] <ref>After the [[World Computer Chess Championship#RybkaDisqualification|disqualification]] of [[Rybka]] in June 2011, [[Rondo]] and [[Thinker]] are World Computer Chess Champions 2010</ref>
|-
! 19th
| [[WCCC 2011]] || [[Tilburg University]], [https://en.wikipedia.org/wiki/Tilburg Tilburg] || [https://en.wikipedia.org/wiki/Netherlands The Netherlands] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=43 WCCC 2011] || 9 || [[Junior]]
|-
! 20th
| [[WCCC 2013]] || [https://en.wikipedia.org/wiki/Keio_University Keio University] [https://en.wikipedia.org/wiki/Campus_of_Keio_University#Hiyoshi_campus Kyōsei-kan], [https://en.wikipedia.org/wiki/Yokohama Yokohama] || [https://en.wikipedia.org/wiki/Japan Japan] || [https://www.game-ai-forum.org/icga-tournaments/event.php?id=44 WCCC 2013] || 6 || [[Junior]]
|-
! 21st
| [[WCCC 2015]] || [[Leiden University]], [https://en.wikipedia.org/wiki/Leiden Leiden] || [https://en.wikipedia.org/wiki/Netherlands The Netherlands] || [https://www.game-ai-forum.org/icga-tournaments/tournament.php?id=287 WCCC 2015] || 9 || [[Jonny]]
|-
! 22nd
| [[WCCC 2016]] || [[Leiden University]], [https://en.wikipedia.org/wiki/Leiden Leiden] || [https://en.wikipedia.org/wiki/Netherlands The Netherlands] || [https://icga.leidenuniv.nl/?page_id=1676 WCCC 2016] || 6 || [[Komodo]]
|-
! 23rd
| [[WCCC 2017]] || [[Leiden University]], [https://en.wikipedia.org/wiki/Leiden Leiden] || [https://en.wikipedia.org/wiki/Netherlands The Netherlands] || [https://icga.leidenuniv.nl/?page_id=1990 WCCC 2017] || 4 || [[Komodo]]
|-
! 24th
| [[WCCC 2018]] || [https://en.wikipedia.org/wiki/Stockholm Stockholm] || [https://en.wikipedia.org/wiki/Sweden Sweden] || || ||
|}
* [[ICGA Tournament Rules]] <ref>[https://www.game-ai-forum.org/icga-tournaments/event_info.php?id=12 WCCC Rules] Amsterdam, The Netherlands, June 11-18, 2007, The Board of the [[ICGA]]</ref>
=<span id="HardwareLimit"></span>Hardware Limit=
In 2009, ICGA president [[David Levy]] surprised potential participants of the [[WCCC 2009]] with an disputed short term decision, an [https://en.wikipedia.org/wiki/Multi-core_%28computing%29 8-cores] hardware limit <ref>[https://www.game-ai-forum.org/icga-tournaments/news_item.php?id=44 Clarification of the 8-cores rule for the WCCC (updated)]</ref> , a topic heavily discussed in various [[Computer Chess Forums|CC forums]] <ref>[https://www.game-ai-forum.org/icga-tournaments/phpBB3/viewtopic.php?f=15&t=66&sid=7beec583f707d8fb420e61bdc6c04157 Hardware limits in the WCCC] from [[Computer Chess Forums|The ICGA Forum]]</ref> . As a consequence, the [[ICGA]] initiated an opinion formation related to that issue with respect to future World Computer Chess Championships <ref>[http://hiarcs.net/forums/viewtopic.php?t=2434&sid=1bacbba2ebaee02ff0e112b5c1d9e8c3 Future World Computer Chess Championships] by [[Harvey Williamson]], [[Computer Chess Forums|Hiarcs Chess Forum]], June 12, 2009</ref>.
=<span id="WorldChessSoftwareChampionship"></span>World Chess Software Championship=
In September 2009, the [[ICGA]] announced following decision <ref>[http://hiarcs.net/forums/viewtopic.php?t=2683&sid=bac3b22ee9b7cfff9f9f0a8d553d3b08 WCCC 2010] by [[Harvey Williamson]], [[Computer Chess Forums|Hiarcs Forum]], September 28, 2009</ref> :
As a result of this input from the participants the ICGA has decided upon the following for the 2010 WCCC and subsequent years:
# The World Computer Chess Championship for the [[Shannon Trophy]] will be contested by teams who have '''no''' Restriction placed on them as to their choice of hardware.
# A new tournament will be introduced called the "[[World Chess Software Championship]]" to be held at the same location and during the same period as the WCCC. This will be a uniform platform event using computers loaned by the host organisation. In each game played in this tournament the two computers will be, so far as is possible, identical with respect to their hardware capabilities: number of cores, processor speed, memory size.
# Participants may compete in either or both of these tournaments for a single entry fee.
# The time control for the WCCC will be such as to aim for a 4-hour playing session, namely all moves in 1 hour 45 minutes plus an increment of 15 seconds per move.
# The time limit for the WCSC will be such as to aim for a 2-hour playing session, namely all moves in 45 minutes plus an increment of 15 seconds per move.
# The WCCC will be an 11-round Swiss System event if there are more than 12 entries, otherwise an all-play-all event.
# The number of rounds for the WCSC will be decided according to the number of entries in both events but there will be at least 9 rounds in the WCSC.
# There will as usual be a rest day for an excursion and time set aside for the speed championship.
David Levy
President [[ICGA]]
=<span id="RybkaDisqualification"></span>Rybka Disqualification 2011=
In June 2011, the [[ICGA]] has disqualified and banned [[Rybka]] and its programmer [[Vasik Rajlich]] from previous and future World Computer Chess Championships. The ICGA accuses Rajlich of plagiarizing two other programs, [[Crafty]] and [[Fruit]], and demands that he returns the trophies and prize money of the World Computer Chess Championships in [[WCCC 2007|2007]], [[WCCC 2008|2008]], [[WCCC 2009|2009]] and [[WCCC 2010|2010]] <ref>[http://www.chessvibes.com/?q=reports/rybka-disqualified-and-banned-from-world-computer-chess-championships Rybka disqualified and banned from World Computer Chess Championships | ChessVibes] by [http://www.chessvibes.com/?q=peterdoggers Peter Doggers], June 29, 2011</ref>, see [[ICGA Investigations]].
=<span id="NewFormat"></span>A New Format 2017=
On June 07, 2017, a few weeks before the upcoming [[WCCC 2017]] in [https://en.wikipedia.org/wiki/Leiden Leiden], ICGA president [[David Levy]] announced a new format (excerpt) <ref>[http://www.talkchess.com/forum/viewtopic.php?t=64208 Important announcement: World Computer Chess Championship] by [[Mark Lefler]], [[CCC]], June 07, 2017</ref><ref>[https://icga.leidenuniv.nl/?p=1972 Important announcement: World Computer Chess Championship – A New Format] by [[Mark Lefler]] on behalf of [[David Levy]], [[ICGA]], June 07, 2017</ref> <ref>[https://acg2017.wordpress.com/ Fifteenth International Conference on Advances in Computer Games 2017]</ref>:
Starting in 2018 the World Computer Chess Championship will be played as a match, between the reigning World Champion and a challenger chosen by a process which will be discussed amongst the ICGA Board and participants from recent years’ championships. That discussion will commence very soon after this year’s World Championship, which is taking place in Leiden from July 3rd-7th. This new format is akin to the [[FIDE]] [https://en.wikipedia.org/wiki/World_Chess_Championship World Championship] (for human Chess players).
For the [[WCCC 2017|2017 World Computer Chess Championship]] we are changing the format, removing the entry fee, and offering an expenses budget to each of the contestants. Our aim for 2017 will be to attract the strongest participants. There will be only 4 contestants, each of whom will receive 1,000 Euro for their expenses from the ICGA. The [[Komodo]] team have already indicated their acceptance, and we very much hope that some of the former World Champions and other leading programs will now find the event attractive and apply to participate.
=See also=
* [[Computer Olympiad]]
* [[History|History of Computer Chess]]
* [[ICGA]]
* [[ICGA Investigations]]
* [[World Chess Software Championship]]
* [[World Microcomputer Chess Championship]]
=Publications=
* [[Monroe Newborn|Monty Newborn]] ('''2011'''). ''[http://www.springer.com/computer/general+issues/book/978-0-85729-340-4 Beyond Deep Blue: Chess in the Stratosphere]''. [https://en.wikipedia.org/wiki/Springer_Science%2BBusiness_Media Springer], ISBN-13: 978-0857293404, [http://www.amazon.com/Beyond-Deep-Blue-Chess-Stratosphere/dp/0857293400 amazon]
: [[File:bejDeepBlue.jpg|link=http://www.springer.com/computer/general+issues/book/978-0-85729-340-4]]
* [[ICGA|The Board of ICGA]] ('''2013'''). ''Rules for the 20th World Computer-Chess Championship''. [[ICGA Journal#36_1|ICGA Journal, Vol. 36, No. 1]], [http://icga.uvt.nl/wp-uploads/2013/02/RULES-FOR-THE-20th-WCCC-and-other-tournaments-1.pdf pdf]
=Postings=
* [http://www.talkchess.com/forum/viewtopic.php?t=22013 Authors lend me your ear - Why aren't you entering?] by [[Charles Roberson]], [[CCC]], June 27, 2008
* [http://www.talkchess.com/forum/viewtopic.php?t=44000 World Computer Chess Championship ?] by [[Marco Costalba]], [[CCC]], June 09, 2012
* [http://www.talkchess.com/forum/viewtopic.php?t=46518 ICGA Olympiad 2013: Yokohama, Aug 12-18!] by [[Harm Geert Muller]], [[CCC]], December 21, 2012 <ref>[https://www.game-ai-forum.org/icga-tournaments/event.php?id=44|Yokohama 2013 (ICGA Tournaments)]</ref>
* [http://rybkaforum.net/cgi-bin/rybkaforum/topic_show.pl?tid=26290 ICGA Computer Olympiad 2013: Yokohama, Aug 12-18] by [[Harm Geert Muller]], [[Computer Chess Forums|Rybka Forum]], December 21, 2012
* [http://www.talkchess.com/forum/viewtopic.php?t=53132 Why don't strong engines enter WCCC?] by [[Syed Fahad]], [[CCC]], July 31, 2014
* [http://www.talkchess.com/forum/viewtopic.php?t=54972 WCCC 2015 Leiden] by [[Stefano Gemma]], [[CCC]], January 14, 2015
* [http://www.talkchess.com/forum/viewtopic.php?t=55395 ICGA's 2015 World Computer Chess Championship/Events] by [[Mark Lefler]], [[CCC]], February 19, 2015
* [http://hiarcs.net/forums/viewtopic.php?t=7197 World Computer Chess Championship 2015] by [[Harvey Williamson]], [[Computer Chess Forums|Hiarcs Forum]], May 07, 2015
* [http://www.talkchess.com/forum/viewtopic.php?t=60437 WCCC June 27th in Leiden] by [[Harvey Williamson]], [[CCC]], June 11, 2016
* [https://icga.leidenuniv.nl/?p=1966 2017 Events in Leiden] by [[Jan Krabbenbos]], [[ICGA]], April 22, 2017
* [http://www.talkchess.com/forum/viewtopic.php?t=64208 Important announcement: World Computer Chess Championship] by [[Mark Lefler]], [[CCC]], June 07, 2017
* [https://icga.leidenuniv.nl/?p=1972 Important announcement: World Computer Chess Championship – A New Format] by [[Mark Lefler]] on behalf of [[David Levy]], [[ICGA]], June 07, 2017
* [https://icga.leidenuniv.nl/?p=2281 World Computer Chess Championships 2018] by [[Mark Lefler]] on behalf of [[David Levy]], [[ICGA]], February 12, 2018
* [https://www.game-ai-forum.org/viewtopic.php?f=15&t=204 World Computer Chess Championships 2018] by [[Rémi Coulom]], [[Computer Chess Forums|Game-AI Forum]], February 12, 2018
* [https://icga.leidenuniv.nl/?p=2289 World Computer Chess Championships 2018 – Tournament schedule] by [[Mark Lefler]] on behalf of [[David Levy]], [[ICGA]], February 25, 2018
=External Links=
* [https://www.game-ai-forum.org/icga-tournaments/competition.php?id=1 World Computer Chess Championship - ICGA Tournament Site]
* [http://www.top-5000.nl/pgn.htm Important games] hosted by [[Ed Schroder|Ed Schröder]]
* [https://www.game-ai-forum.org/icga-tournaments/event.php?id=44 Yokohama 2013 (ICGA Tournaments)] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=46518 ICGA Olympiad 2013: Yokohama, Aug 12-18!] by [[Harm Geert Muller]], [[CCC]], December 21, 2012</ref>
* [https://en.wikipedia.org/wiki/World_Computer_Chess_Championship World Computer Chess Championship from Wikipedia]
* [http://www.mark-weeks.com/chess/wcc-comp.htm World Computer Chess Championship] by [[Mark Weeks]]
* [http://www.schach-computer.info/wiki/index.php/WCCC WCCC] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info - Wiki] (German)
=References=
<references />
'''[[Tournaments|Up one level]]'''
