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Created page with "'''Home * Engines * Cheese''' FILE:Coulommiers lait cru.jpg|border|right|thumb| Coulommiers cheese <ref>A [https://en.wikipedia.org/wiki/Coulommiers_chees..."
'''[[Main Page|Home]] * [[Engines]] * Cheese'''
[[FILE:Coulommiers lait cru.jpg|border|right|thumb| 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> ]]
'''Cheese''',<br/>
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>.
=Selected Features=
<ref>based on [http://cheesechess.free.fr/en/features.html Cheese Chess - Features]</ref>
==[[Board Representation]]==
* [[Bitboards]]
* [[Magic Bitboards]]
==[[Search]]==
* [[Parallel Search]] performing [[Young Brothers Wait Concept]] (Version 2.0)
* [[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]]
: [[Futility Pruning#MoveCountBasedPruning|Late Move Pruning]] (Version 2.0)
: [[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]]
* [[King Safety]]
* [[Outposts|Knights Outposts]]
* [[Endgame|Endgame Knowledge]]
: [[Material#InsufficientMaterial|Insufficient Material]]
==Misc==
* [[Chess960]]
* [[Contempt Factor]] (Version 2.0)
* [[Opening Book]]
* [[Pondering]]
=See also=
* [[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
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=69270 Cheese 2.0] by [[Patrice Duhamel]], [[CCC]], December 15, 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/compare_engines.cgi?family=Cheese&print=Rating+list&print=Results+table&print=LOS+table&print=Ponder+hit+table&print=Eval+difference+table&print=Comopp+gamenum+table&print=Overlap+table&print=Score+with+common+opponents Cheese] in [[CCRL|CCRL 40/4]]
* [http://www.computerchess.org.uk/ccrl/404FRC/cgi/compare_engines.cgi?family=Cheese&print=Rating+list&print=Results+table&print=LOS+table&print=Ponder+hit+table&print=Eval+difference+table&print=Score+with+common+opponents&match_length=30 Cheese] 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
: {{#evu:https://www.youtube.com/watch?v=vngWO79tVss|alignment=left|valignment=top}}
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:UCI]]
[[Category:WinBoard]]
[[Category:XBoard]]
[[Category:Food]]
[[Category:Music]]
[[FILE:Coulommiers lait cru.jpg|border|right|thumb| 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> ]]
'''Cheese''',<br/>
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>.
=Selected Features=
<ref>based on [http://cheesechess.free.fr/en/features.html Cheese Chess - Features]</ref>
==[[Board Representation]]==
* [[Bitboards]]
* [[Magic Bitboards]]
==[[Search]]==
* [[Parallel Search]] performing [[Young Brothers Wait Concept]] (Version 2.0)
* [[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]]
: [[Futility Pruning#MoveCountBasedPruning|Late Move Pruning]] (Version 2.0)
: [[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]]
* [[King Safety]]
* [[Outposts|Knights Outposts]]
* [[Endgame|Endgame Knowledge]]
: [[Material#InsufficientMaterial|Insufficient Material]]
==Misc==
* [[Chess960]]
* [[Contempt Factor]] (Version 2.0)
* [[Opening Book]]
* [[Pondering]]
=See also=
* [[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
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=69270 Cheese 2.0] by [[Patrice Duhamel]], [[CCC]], December 15, 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/compare_engines.cgi?family=Cheese&print=Rating+list&print=Results+table&print=LOS+table&print=Ponder+hit+table&print=Eval+difference+table&print=Comopp+gamenum+table&print=Overlap+table&print=Score+with+common+opponents Cheese] in [[CCRL|CCRL 40/4]]
* [http://www.computerchess.org.uk/ccrl/404FRC/cgi/compare_engines.cgi?family=Cheese&print=Rating+list&print=Results+table&print=LOS+table&print=Ponder+hit+table&print=Eval+difference+table&print=Score+with+common+opponents&match_length=30 Cheese] 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
: {{#evu:https://www.youtube.com/watch?v=vngWO79tVss|alignment=left|valignment=top}}
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:UCI]]
[[Category:WinBoard]]
[[Category:XBoard]]
[[Category:Food]]
[[Category:Music]]
