Cheese

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|| [[image:320px-Coulommiers_lait_cru.jpg link="https://commons.wikimedia.org/wiki/File:Coulommiers_lait_cru.jpg"]] ||~ || **Cheese**,
a [[Chess Engine Communication Protocol]] and [[UCI]] compliant free chess engine by [[Patrice Duhamel]], written in [[C]]. The development started in early 2006, using [[Rotated Bitboards|rotated bitboards]] and [[Alpha-Beta|alpha-beta]] search, improving rapidly, and first released in October 2007 as version 1.0. Since 2012, one can expect yearly updates with steady improvements. Since version 1.8 in March 2016, Cheese is able to play [[Chess960]] (FRC). It is available for all major platforms and operating systems, [[Windows]], [[Linux]], [[Mac OS]] and [[Android]] <ref>[[http://cheesechess.free.fr/en/download.html|Cheese Chess - Downloads]]</ref>. ||
|| Coulommiers cheese <ref>A [[https://en.wikipedia.org/wiki/Coulommiers_cheese|Coulommiers cheese]] made from [[https://en.wikipedia.org/wiki/Pasteurization|unpasteurised]] [[https://en.wikipedia.org/wiki/Cattle|cow's]] [[https://en.wikipedia.org/wiki/Milk|milk]], [[https://commons.wikimedia.org/wiki/File:Coulommiers_lait_cru.jpg|Image]] by [[https://commons.wikimedia.org/wiki/User:Myrabella|Myrabella]], May 13, 2010, [[https://creativecommons.org/licenses/by-sa/3.0/|CC BY-SA 3.0]], [[https://en.wikipedia.org/wiki/Wikimedia_Commons|Wikimedia Commons]]</ref> ||~ ||^ ||
[[toc]]
=Selected Features=
<ref>based on [[http://cheesechess.free.fr/en/features.html|Cheese Chess - Features]]</ref>
==[[Board Representation]]== 
* [[Bitboards]]
* [[Magic Bitboards]]
==[[Search]]== 
* [[Iterative Deepening]]
* [[Aspiration Windows]]
* [[Principal Variation Search]] with [[Negamax]] [[Alpha-Beta]]
* [[Transposition Table]] with [[Zobrist Hashing]]
* [[Move Ordering]]
> [[Internal Iterative Deepening]]
> [[Killer Heuristic]]
> [[History Heuristic]]
> [[Static Exchange Evaluation]]
* [[Selectivity]]
> [[Null Move Pruning#AdaptiveNullMovePruning|Adaptive Null Move Pruning]]
> [[Late Move Reductions]]
> [[Mate Distance Pruning]]
> [[Futility Pruning]]
> [[Razoring]]
> [[Quiescence Search]]
> [[Extensions#FractionalExtensions|Fractional Extensions]]
> [[Check Extensions]]
> [[Passed Pawn Extensions]]
==[[Evaluation]]==
* [[Lazy Evaluation]]
* [[Game Phases]]
* [[Material]]
* [[Mobility]]
* [[Piece-Square Tables]]
* [[Pawn Structure]] using [[Pawn Hash Table]]
> [[Backward Pawn]]
> [[Doubled Pawn]]
> [[Isolated Pawn]]
> [[Passed Pawn]]
> [[Connected Passed Pawns]]
* [[Blockade of Stop]]
* [[Rook on Open File|Rooks on (Semi) Open Files]]
* [[Rook On Seventh|Rook (and Queen) on Seventh]]
* [[King Safety]]
* [[Outposts|Knights Outposts]]
* [[Endgame|Endgame Knowledge]]
> [[Material#InsufficientMaterial|Insufficient Material]]
==Misc== 
* [[Chess960]]
* [[Opening Book]]
* [[Pondering]]

=See also=
* [[Various Classifications#Food|Food]]
* [[Quark]]

=Forum Posts=
==2006 ...==
* [[http://www.open-aurec.com/wbforum/viewtopic.php?f=4&t=5955|Testing and debugging chess engines]] by [[Patrice Duhamel]], [[Computer Chess Forums|Winboard Forum]], December 03, 2006 » [[Debugging]]
* [[http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=6925|new engine : Cheese v1.0b]] by [[Patrice Duhamel]], [[Computer Chess Forums|Winboard Forum]], November 07, 2007
* [[http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=7038|Cheese 1.1]] by [[Patrice Duhamel]], [[Computer Chess Forums|Winboard Forum]], January 02, 2008
* [[http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=7083|Cheese 1.1b]] by [[Patrice Duhamel]], [[Computer Chess Forums|Winboard Forum]], January 22, 2008
* [[http://www.talkchess.com/forum/viewtopic.php?t=21330|Cheese 1.2 released]] by [[Patrice Duhamel]], [[CCC]], May 24, 2008
* [[http://www.talkchess.com/forum/viewtopic.php?t=24656|Cheese 1.3]] by [[Patrice Duhamel]], [[CCC]], November 01, 2008
==2010 ...==
* [[http://www.talkchess.com/forum/viewtopic.php?t=42910|Cheese 1.4]] by [[Patrice Duhamel]], [[CCC]], March 17, 2012
* [[http://www.talkchess.com/forum/viewtopic.php?t=48564|Cheese 1.5]] by [[Patrice Duhamel]], [[CCC]], July 06, 2013
* [[http://www.talkchess.com/forum/viewtopic.php?t=52274|Cheese 1.6]] by [[Patrice Duhamel]], [[CCC]], May 10, 2014
==2015 ...==
* [[http://www.talkchess.com/forum/viewtopic.php?t=54856|Chess for Android]] by [[Patrice Duhamel]], [[CCC]], January 04, 2015 » [[Chess for Android]]
* [[http://www.talkchess.com/forum/viewtopic.php?t=55885|Cheese 1.7]] by [[Patrice Duhamel]], [[CCC]], April 04, 2015
* [[http://www.talkchess.com/forum/viewtopic.php?t=59564|Cheese 1.8]] by [[Patrice Duhamel]], [[CCC]], March 19, 2016
* [[http://www.talkchess.com/forum/viewtopic.php?t=63909|Cheese 1.9]] by [[Patrice Duhamel]], [[CCC]], May 06, 2017
* [[http://www.talkchess.com/forum/viewtopic.php?t=64313|Cooking Cheese with Texel's tuning method]] by [[Patrice Duhamel]], [[CCC]], June 16, 2017 » [[Texel's Tuning Method]]
* [[http://www.talkchess.com/forum/viewtopic.php?t=65188|Cheese 1.9.1]] by [[Patrice Duhamel]], [[CCC]], September 16, 2017
* [[http://www.talkchess.com/forum/viewtopic.php?t=66617|Cheese 1.9.2]] by [[Patrice Duhamel]], [[CCC]], February 17, 2018

=External Links=
==Chess engine== 
* [[http://cheesechess.free.fr/en/index.html|Cheese Chess - Index]]
> [[http://cheesechess.free.fr/en/download.html|Cheese Chess - Downloads]]
> [[http://cheesechess.free.fr/en/features.html|Cheese Chess - Features]]
> [[http://cheesechess.free.fr/en/history.html|Cheese Chess - History]]
* [[http://www.computerchess.org.uk/ccrl/404/cgi/engine_details.cgi?match_length=30&each_game=1&print=Details&each_game=1&eng=Cheese%201.8%2064-bit#Cheese_1_8_64-bit|Cheese 1.8 64-bit]] in [[CCRL|CCRL 40/4]]
* [[http://www.computerchess.org.uk/ccrl/404FRC/cgi/engine_details.cgi?print=Details&each_game=1&eng=Cheese%201.8%2064-bit#Cheese_1_8_64-bit|Cheese 1.8 64-bit]] in [[CCRL|CCRL 40/4 FRC]]
==Misc== 
* [[https://en.wikipedia.org/wiki/Cheese|Cheese from Wikipedia]]
* [[https://en.wikipedia.org/wiki/Cheese_(disambiguation)|Cheese (disambiguation) from Wikipedia]]
* [[https://en.wiktionary.org/wiki/cheese|cheese - Wiktionary]]
* [[https://en.wikipedia.org/wiki/Richard_Cheese|Richard Cheese & Lounge Against the Machine]] - [[https://en.wikipedia.org/wiki/Smoke_Two_Joints|Smoke Two Joints]], [[https://la.eater.com/2013/4/3/6456755/april-20-marks-the-11th-annual-grilled-cheese-invitational|Grilled Cheese Invitational]], April 20, 2013, [[https://en.wikipedia.org/wiki/Los_Angeles_Center_Studios|Los Angeles Center Studios]], [[https://en.wikipedia.org/wiki/YouTube|YouTube]] Video
> [[media type="youtube" key="vngWO79tVss"]]

=References= 
<references />
=What links here?= 
[[include page="Cheese" component="backlinks" limit="40"]]
**[[Engines|Up one Level]]**