World Computer Chess Championship (WCCC) is an event held periodically since 1974 where computer chess engines compete against each other. The event is organized by the International Computer Games Association (ICGA, until 2002 ICCA). It is often held in conjunction with the World Computer Speed Chess Championship and the Computer Olympiad, a collection of computer tournaments for other board games. Instead of using engine protocols, the games are played on physical boards by human operators.
In 2007, the reigning champion Junior declined to defend its title.
For the 2009 edition, the rules were changed to limit platforms to commodity hardware supporting at most eight cores, thereby excluding supercomputers and large clusters. However, this was reversed in the following year and a parallel Software Championship was held instead; unlimited hardware is once again allowed in the championship proper.
|4||1983||New York||22||Cray Blitz|
|12||2004||Bar-Ilan University, Ramat Gan||14||Deep Junior|
|17||2009||Pamplona||10||Junior, Shredder, Sjeng[wccc 1]|
|18||2010||Kanazawa||10||Rondo, Thinker[wccc 1]|
- Rybka originally won the WCCC in 2007–2010, but was later disqualified for plagiarising code in a controversial decision.
World Chess Software Championship
From 2010 a new tournament was introduced and held at the same location and during the same period as the World Computer Chess Championship. The rules for the World Chess Software Championship (WCSC) state that competing programs must run on machines with identical hardware specifications. Time control is game in 45 minutes with 15 second increment.
|1||2010||Kanazawa||9||Shredder||Intel quad core Xeon 2.66 GHz, 8MB Hash|
|2||2011||Tilburg||5||HIARCS||Intel Core2 Duo, 1.7 GHz, 2MB Hash|
|3||2013||Yokohama||6||HIARCS||Intel quad core i7, 2.7 GHz, 16MB Hash|
|4||2015||Leiden||8||Shredder||Intel quad core i7, 2.7 GHz, 16MB Hash|
|5||2016||Leiden||7||Komodo||Intel quad core i7, 3.4 GHz, 16MB Hash |
|6||2017||Leiden||7||Shredder||Intel quad core i7, 3.4 GHz, 16MB Hash|
|7||2018||Stockholm||9||Komodo||Intel quad core i7, 1.8 GHz, 16MB Hash|
|8||2019||Macau||6||Komodo||Intel Pentium Silver N5000, 4 GB RAM|
|10||2023||Valencia||4||Fritz||AMD Ryzen 7 3700X, NVIDIA GT710|
Due to the requirement to be present on-site, play on a physical board, and strict rules of originality, many strong programs refrain from participating in the ICGA events. As the conditions of the software championship can easily be emulated by anyone with a high-end PC, there are now privately conducted tournaments, such as Top Chess Engine Championship, that have much broader attendance, as well as a larger number of games to reduce the influence of chance.
World Microcomputer Chess Championship
From 1980 to 2001, the ICCA/ICGA organized a separate cycle of championships limited to programs running on microprocessors. In the first three championships, the winners were dedicated chess computers, and then in 1984, Richard Lang's Psion program shared first place, running on an IBM PC under MS-DOS.
The 16th WMCCC was the same as the 9th WCCC above.
|1||1980||London||12||Fidelity Chess Challenger|
|3||1983||Budapest||15||Fidelity Elite A/S|
|4||1984||Glasgow||12||Fidelity Elite X, Mephisto, Princhess X, Psion|
|5||1985||Amsterdam||6 / 5||Mephisto / Nona|
|7||1987||Rome||2 / 7||Mephisto / Psion|
|8||1988||Almería||2 / 7||Mephisto|
|11||1991||Vancouver, Canada||15||ChessMachine (Gideon)|
|13||1995||Paderborn, Germany||33||MChess Pro 5.0|
- Chess engine
- Computer chess
- Computer Olympiad
- World Computer Speed Chess Championship
- Chess.com Computer Chess Championship
- Top Chess Engine Championship
- chessprogramming.wikispaces.com - Organizations: ICCA at the Wayback Machine (archived September 19, 2008)
- ICGA - Clarification of the 8-cores rule for the WCCC at the Wayback Machine (archived February 17, 2016)
- Jennings, Peter (January 1978). "The Second World Computer Chess Championships". BYTE. p. 108. Retrieved 17 October 2013.
- "ICGA - WCCC 2022".
- chessprogramming.wikispaces.com - WCCC Announcement at the Wayback Machine (archived June 15, 2014)
- HIARCS.net - announcement of new tournament
- ChessCentral report on 2010 World Chess Software Championship
- "ICGA - WCSC 2015".
- "ICGA - WCSC 2016".
- "ICGA - WCSC 2022".
- "Talkchess - WCCC 2023?".
- "ICGA - World Microcomputer Chess Championship 1980 - 2001". Archived from the original on June 22, 2021.
- Official website of the International Computer Games Association (ICGA)
- ICGA - Kanazawa - 18th WCCC 2010 at the Wayback Machine (archived March 12, 2012)
- ICGA - Pamplona - 17th WCCC 2009 at the Wayback Machine (archived March 12, 2012)
- ICGA - Beijing - 16th WCCC 2008 at the Wayback Machine (archived March 12, 2012)
- ICGA - Amsterdam - 15th WCCC 2007 at the Wayback Machine (archived March 12, 2012)
- ICGA - Torino - 14th WCCC 2006 at the Wayback Machine (archived March 12, 2012)
- ICGA - Reykjavik - 13th WCCC 2005 at the Wayback Machine (archived March 12, 2012)
- Austrian Chess Federation - WCCC 2003 at Graz at the Wayback Machine (archived April 6, 2004)