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'''[[Main Page|Home]] * [[Engines]] * Chessterfield'''
'''Chessterfield''',<br/>
a family of chess engines by [[Matthias Lüscher]], written in [[Cpp|C++]], first released in April 1998. The free native Chessterfield comes with an own [[GUI]], the experimental [[WinBoard]] compliant ChessterfieldCL along with its [[Learning|learning utility]] ChessterfieldEN is [[Open Source Engines|open source]] published under the [[Free Software Foundation#GPL|GNU General Public Licence V2]] <ref>[http://home.datacomm.ch/m.luescher/download_cl.html ChessterfieldCL Download]</ref>. Chessterfield applies [[Alpha-Beta|alpha-beta]] with [[Transposition Table|transposition table]], [[Null Move Pruning|null move pruning]], [[Razoring|razoring]] and various [[Extensions|extensions]] inside an [[Aspiration Windows|aspirated]] [[Iterative Deepening|iterative deepening]] loop.
=Screenshot=
[[FILE:chessterfieldGUImansfield.gif|none|border|text-bottom|link=http://home.datacomm.ch/m.luescher/screenshot.html]]
Chessterfield [[GUI]] <ref>[http://home.datacomm.ch/m.luescher/screenshot.html Chessterfield GUI screenshot]</ref>
=ChessterfieldCL=
While affiliated with [[ETH Zurich]], inspired by [[Michael Buro|Michael Buro's]] [[CG 1998]] paper ''From Simple Features to Sophisticated Evaluation Functions'' <ref>[[Michael Buro]] ('''1998'''). ''[http://link.springer.com/chapter/10.1007/3-540-48957-6_8 From Simple Features to Sophisticated Evaluation Functions]''. [[CG 1998]], [https://skatgame.net/mburo/ps/glem.pdf pdf]</ref>, covering not only [[Automated Tuning|automated parameter tuning]] but a procedure for exploring the feature space able to discover new features in a computational feasible way, Matthias Lüscher implemented Buro's ''General Linear Evaluation Model'' GLEM inside '''ChessterfieldCL''', using a three-layer [[Neural Networks|neural network]] as [[Evaluation|evaluation function]] - documented in his technical report under supervision of [[Thomas Lincke]] and [[Christoph Wirth]] <ref>[[Matthias Lüscher]] ('''2000'''). ''Automatic Generation of an Evaluation Function for Chess Endgames''. [[ETH Zurich]] Supervisors: [[Thomas Lincke]] and [[Christoph Wirth]], [http://www.datacomm.ch/m.luescher/evaluation_function_en.pdf pdf], [http://www.top-5000.nl/ps/Automatic%20Generation%20of%20an%20Evaluation%20Function%20for%20Chess%20Endgames.pdf pdf]</ref>.
=See also=
* [[Neural Networks#engines|Chess Engines with Neural Networks]]
* [[Chester]]
=Publications=
* [[Matthias Lüscher]] ('''2000'''). ''Automatic Generation of an Evaluation Function for Chess Endgames''. [[ETH Zurich]] Supervisors: [[Thomas Lincke]] and [[Christoph Wirth]], [http://www.datacomm.ch/m.luescher/evaluation_function_en.pdf pdf], [http://www.top-5000.nl/ps/Automatic%20Generation%20of%20an%20Evaluation%20Function%20for%20Chess%20Endgames.pdf pdf]
=Forum Posts=
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=31189 ChessterfieldCL stürzt ständig ab] by [[Clemens Keck]], [[Computer Chess Forums|Winboard Forum]], March 24, 2000
* [https://groups.google.com/d/msg/rec.games.chess.computer/xthKCFRJkeM/CwRxa1j7Q1IJ Combining Neural Networks and Alpha-Beta] by [[Matthias Lüscher]], [[Computer Chess Forums|rgcc]], April 01, 2000
* [https://groups.google.com/d/msg/rec.games.chess.computer/sdfJVjnz_MA/cg-ibeL_4HYJ Learning utility for Chessterfield available] by [[Matthias Lüscher]], [[Computer Chess Forums|rgcc]], May 29, 2001
* [https://www.stmintz.com/ccc/index.php?id=149124 Chessterfield Source Code Available] by [[Matthias Lüscher]], [[CCC]], January 10, 2001
=External Links=
==Chess Engine==
* [http://home.datacomm.ch/m.luescher/index.html Chessterfield Chess Program]
* [http://home.datacomm.ch/m.luescher/download_cl.html ChessterfieldCL Download]
* [http://kirill-kryukov.com/chess/kcec/cgi/engine_details.cgi?print=Details&each_game=1&eng=ChessterfieldCL%20i5a%20JA ChessterfieldCL i5a JA] in [[KCEC]]
==Chesterfield==
* [https://en.wiktionary.org/wiki/chesterfield chesterfield - Wiktionary]
* [https://en.wikipedia.org/wiki/Chesterfield_%28disambiguation%29 Chesterfield (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/Chesterfield Chesterfield from Wikipedia]
* [http://chesterfieldchessclub.weebly.com/ Chesterfield Chess Club]
* [https://en.wikipedia.org/wiki/Chesterfield_%28cigarette%29 Chesterfield (cigarette) from Wikipedia]
* [http://www.cancerinsurance.com/blog/smoking-and-cancer-film-stars-who-died-of-cancer Smoking and Cancer: Classic Film Stars Who Died of Cancer]
* [https://en.wikipedia.org/wiki/Chesterfield_coat Chesterfield coat from Wikipedia]
* [https://en.wikipedia.org/wiki/Chesterfield_County,_South_Carolina Chesterfield County, South Carolina from Wikipedia]
* [https://en.wikipedia.org/wiki/Chesterfield_County,_Virginia Chesterfield County, Virginia from Wikipedia]
* [https://en.wikipedia.org/wiki/Couch Chesterfield sofa from Wikipedia]
=References=
<references />
'''[[Engines|Up one level]]'''
'''Chessterfield''',<br/>
a family of chess engines by [[Matthias Lüscher]], written in [[Cpp|C++]], first released in April 1998. The free native Chessterfield comes with an own [[GUI]], the experimental [[WinBoard]] compliant ChessterfieldCL along with its [[Learning|learning utility]] ChessterfieldEN is [[Open Source Engines|open source]] published under the [[Free Software Foundation#GPL|GNU General Public Licence V2]] <ref>[http://home.datacomm.ch/m.luescher/download_cl.html ChessterfieldCL Download]</ref>. Chessterfield applies [[Alpha-Beta|alpha-beta]] with [[Transposition Table|transposition table]], [[Null Move Pruning|null move pruning]], [[Razoring|razoring]] and various [[Extensions|extensions]] inside an [[Aspiration Windows|aspirated]] [[Iterative Deepening|iterative deepening]] loop.
=Screenshot=
[[FILE:chessterfieldGUImansfield.gif|none|border|text-bottom|link=http://home.datacomm.ch/m.luescher/screenshot.html]]
Chessterfield [[GUI]] <ref>[http://home.datacomm.ch/m.luescher/screenshot.html Chessterfield GUI screenshot]</ref>
=ChessterfieldCL=
While affiliated with [[ETH Zurich]], inspired by [[Michael Buro|Michael Buro's]] [[CG 1998]] paper ''From Simple Features to Sophisticated Evaluation Functions'' <ref>[[Michael Buro]] ('''1998'''). ''[http://link.springer.com/chapter/10.1007/3-540-48957-6_8 From Simple Features to Sophisticated Evaluation Functions]''. [[CG 1998]], [https://skatgame.net/mburo/ps/glem.pdf pdf]</ref>, covering not only [[Automated Tuning|automated parameter tuning]] but a procedure for exploring the feature space able to discover new features in a computational feasible way, Matthias Lüscher implemented Buro's ''General Linear Evaluation Model'' GLEM inside '''ChessterfieldCL''', using a three-layer [[Neural Networks|neural network]] as [[Evaluation|evaluation function]] - documented in his technical report under supervision of [[Thomas Lincke]] and [[Christoph Wirth]] <ref>[[Matthias Lüscher]] ('''2000'''). ''Automatic Generation of an Evaluation Function for Chess Endgames''. [[ETH Zurich]] Supervisors: [[Thomas Lincke]] and [[Christoph Wirth]], [http://www.datacomm.ch/m.luescher/evaluation_function_en.pdf pdf], [http://www.top-5000.nl/ps/Automatic%20Generation%20of%20an%20Evaluation%20Function%20for%20Chess%20Endgames.pdf pdf]</ref>.
=See also=
* [[Neural Networks#engines|Chess Engines with Neural Networks]]
* [[Chester]]
=Publications=
* [[Matthias Lüscher]] ('''2000'''). ''Automatic Generation of an Evaluation Function for Chess Endgames''. [[ETH Zurich]] Supervisors: [[Thomas Lincke]] and [[Christoph Wirth]], [http://www.datacomm.ch/m.luescher/evaluation_function_en.pdf pdf], [http://www.top-5000.nl/ps/Automatic%20Generation%20of%20an%20Evaluation%20Function%20for%20Chess%20Endgames.pdf pdf]
=Forum Posts=
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=31189 ChessterfieldCL stürzt ständig ab] by [[Clemens Keck]], [[Computer Chess Forums|Winboard Forum]], March 24, 2000
* [https://groups.google.com/d/msg/rec.games.chess.computer/xthKCFRJkeM/CwRxa1j7Q1IJ Combining Neural Networks and Alpha-Beta] by [[Matthias Lüscher]], [[Computer Chess Forums|rgcc]], April 01, 2000
* [https://groups.google.com/d/msg/rec.games.chess.computer/sdfJVjnz_MA/cg-ibeL_4HYJ Learning utility for Chessterfield available] by [[Matthias Lüscher]], [[Computer Chess Forums|rgcc]], May 29, 2001
* [https://www.stmintz.com/ccc/index.php?id=149124 Chessterfield Source Code Available] by [[Matthias Lüscher]], [[CCC]], January 10, 2001
=External Links=
==Chess Engine==
* [http://home.datacomm.ch/m.luescher/index.html Chessterfield Chess Program]
* [http://home.datacomm.ch/m.luescher/download_cl.html ChessterfieldCL Download]
* [http://kirill-kryukov.com/chess/kcec/cgi/engine_details.cgi?print=Details&each_game=1&eng=ChessterfieldCL%20i5a%20JA ChessterfieldCL i5a JA] in [[KCEC]]
==Chesterfield==
* [https://en.wiktionary.org/wiki/chesterfield chesterfield - Wiktionary]
* [https://en.wikipedia.org/wiki/Chesterfield_%28disambiguation%29 Chesterfield (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/Chesterfield Chesterfield from Wikipedia]
* [http://chesterfieldchessclub.weebly.com/ Chesterfield Chess Club]
* [https://en.wikipedia.org/wiki/Chesterfield_%28cigarette%29 Chesterfield (cigarette) from Wikipedia]
* [http://www.cancerinsurance.com/blog/smoking-and-cancer-film-stars-who-died-of-cancer Smoking and Cancer: Classic Film Stars Who Died of Cancer]
* [https://en.wikipedia.org/wiki/Chesterfield_coat Chesterfield coat from Wikipedia]
* [https://en.wikipedia.org/wiki/Chesterfield_County,_South_Carolina Chesterfield County, South Carolina from Wikipedia]
* [https://en.wikipedia.org/wiki/Chesterfield_County,_Virginia Chesterfield County, Virginia from Wikipedia]
* [https://en.wikipedia.org/wiki/Couch Chesterfield sofa from Wikipedia]
=References=
<references />
'''[[Engines|Up one level]]'''
