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'''[[Main Page|Home]] * [[People]] * Jean-Christophe Weill'''
[[FILE:JeanChristopheWeill.jpg|border|right|thumb|link=http://www.recherche.enac.fr/%7Eweill/| Jean-Christophe Weill <ref>[http://www.recherche.enac.fr/%7Eweill/ Jean-Christophe Weill's homepage]</ref> ]]
'''Jean-Christophe Weill''',<br/>
a French computer scientist and computer chess and game programmer. He introduced the [[NegaC*]] search algorithm as a [[NegaMax]] implementation of [[Kevin Coplan|Kevin Coplan's]] '''C'''*. He also created the [[ABDADA]] non-synchronized, distributed search algorithm, apparently used in [[Frenchess]]. His 1995 Ph.D. thesis in French, ''Programmes d'Échecs de Championnat: Architecture Logicielle Synthèse de Fonctions d'Évaluations, Parallélisme de Recherche'', covers [[History|history]] of computer chess, a broad range of [[Search|search]] algorithms and [[Evaluation|evaluation]], audited beside others by [[Tony Marsland]] and [[Jacques Pitrat]].
=Chess Programs=
Along with [[Marc-François Baudot]], Jean-Christophe Weill is co-author of the following chess programs <ref>[http://www.recherche.enac.fr/~weill/chess.html A Short Story of JCW's Computer Chess Program]</ref> <ref>[https://www.game-ai-forum.org/icga-tournaments/person.php?id=27 Jean-Christophe Weill's ICGA Tournaments]</ref>:
* [[Échec]]
* [[Cumulus]]
* [[Écume]]
* [[Joker]]
* [[Frenchess]], with [[Jean-Luc Seret]] and [[Michel Gondran]]
* [[Virtua Chess]]
* [[Virtual Chess]]
* [[Virtual Kasparov]]
=Selected Publications=
<ref>[http://ilk.uvt.nl/icga/journal/docs/References.pdf ICGA Reference Database] (pdf)</ref> <ref>[http://www.recherche.enac.fr/~weill/publications.html Jean-Christophe Weill, Selected publications]</ref> <ref>[http://www.recherche.enac.fr/%7Eweill/publications/ Index of /~weill/publications]</ref>
* [[Jean-Christophe Weill]] ('''1989'''). ''Contribution a la Programmation des Jeux de Reflexion. Memoire de d.e.a.'', [[University of Paris#8|Université Paris 8]], Vincennes. (French.)
* [[Jean-Christophe Weill]] ('''1991'''). ''Experiments With the NegaC* Search - An Alternative for Othello Endgame Search.'' [[2nd Computer Olympiad#Workshop|Heuristic Programming in AI 2]]
* [[Jean-Christophe Weill]] ('''1992'''). ''The NegaC* Search.'' [[ICGA Journal#15_1|ICCA Journal, Vol. 15, No. 1]]
* [[Jean-Christophe Weill]] ('''1994'''). ''How Hard is the Correct Coding of an Easy Endgame?'' [[Advances in Computer Chess 7]], [http://www.recherche.enac.fr/%7Eweill/publications/acc7.ps.gz zipped ps]
* [[Jean-Christophe Weill]] ('''1995'''). ''Programmes d'Échecs de Championnat: Architecture Logicielle Synthèse de Fonctions d'Évaluations, Parallélisme de Recherche''. Ph.D. Thesis. [[University of Paris#8|Université Paris 8]], Saint-Denis, [http://www.recherche.enac.fr/%7Eweill/publications/phdJCW.ps.gz zipped ps] (French)
* [[Marc-François Baudot]], [[Jean-Christophe Weill]], [[Jean-Luc Seret]], [[Michel Gondran]] ('''1995'''). ''Frenchess: A Cray T3D at the 8th World Computer Chess Championship''. First European Cray-T3D Workshop, [http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.78.967 Citeseerx]
* [[Jean-Christophe Weill]] ('''1996'''). ''[http://portal.acm.org/citation.cfm?id=228345 The ABDADA Distributed Minimax Search Algorithm]''. [[ACM]] Computer Science Conference, [[ICGA Journal#19_1|ICCA Journal, Vol. 19, No. 1]], [http://www.recherche.enac.fr/%7Eweill/publications/acm.ps.gz zipped ps]
=Forum Posts=
* [https://groups.google.com/d/msg/rec.games.chess.computer/UR_Q5Wfm8u0/K6Vs6X7XIKYJ Nintendo 64 Chess] by [[Jean-Christophe Weill]], [[Computer Chess Forums|rgcc]], January 06, 1998 » [[Virtual Chess]]
* [https://groups.google.com/d/msg/rec.games.chess.computer/T0KphUfUTi8/R0ibWxvqMu0J Ed's real life] by [[Jean-Christophe Weill]], [[Computer Chess Forums|rgcc]], August 15, 1998 » [[Ed Schroder|Ed Schröder]]
=External Links=
* [http://www.recherche.enac.fr/%7Eweill/ Jean-Christophe Weill's homepage]
: [http://www.recherche.enac.fr/~weill/chess.html A Short Story of JCW's Computer Chess Program]
* [https://www.game-ai-forum.org/icga-tournaments/person.php?id=27 Jean-Christophe Weill's ICGA Tournaments]
* [http://academic.research.microsoft.com/Author/787159/jean-christophe-weill Jean-Christophe Weill] from [[Microsoft Academic Search]]
=References=
<references />
'''[[People|Up one level]]'''
[[FILE:JeanChristopheWeill.jpg|border|right|thumb|link=http://www.recherche.enac.fr/%7Eweill/| Jean-Christophe Weill <ref>[http://www.recherche.enac.fr/%7Eweill/ Jean-Christophe Weill's homepage]</ref> ]]
'''Jean-Christophe Weill''',<br/>
a French computer scientist and computer chess and game programmer. He introduced the [[NegaC*]] search algorithm as a [[NegaMax]] implementation of [[Kevin Coplan|Kevin Coplan's]] '''C'''*. He also created the [[ABDADA]] non-synchronized, distributed search algorithm, apparently used in [[Frenchess]]. His 1995 Ph.D. thesis in French, ''Programmes d'Échecs de Championnat: Architecture Logicielle Synthèse de Fonctions d'Évaluations, Parallélisme de Recherche'', covers [[History|history]] of computer chess, a broad range of [[Search|search]] algorithms and [[Evaluation|evaluation]], audited beside others by [[Tony Marsland]] and [[Jacques Pitrat]].
=Chess Programs=
Along with [[Marc-François Baudot]], Jean-Christophe Weill is co-author of the following chess programs <ref>[http://www.recherche.enac.fr/~weill/chess.html A Short Story of JCW's Computer Chess Program]</ref> <ref>[https://www.game-ai-forum.org/icga-tournaments/person.php?id=27 Jean-Christophe Weill's ICGA Tournaments]</ref>:
* [[Échec]]
* [[Cumulus]]
* [[Écume]]
* [[Joker]]
* [[Frenchess]], with [[Jean-Luc Seret]] and [[Michel Gondran]]
* [[Virtua Chess]]
* [[Virtual Chess]]
* [[Virtual Kasparov]]
=Selected Publications=
<ref>[http://ilk.uvt.nl/icga/journal/docs/References.pdf ICGA Reference Database] (pdf)</ref> <ref>[http://www.recherche.enac.fr/~weill/publications.html Jean-Christophe Weill, Selected publications]</ref> <ref>[http://www.recherche.enac.fr/%7Eweill/publications/ Index of /~weill/publications]</ref>
* [[Jean-Christophe Weill]] ('''1989'''). ''Contribution a la Programmation des Jeux de Reflexion. Memoire de d.e.a.'', [[University of Paris#8|Université Paris 8]], Vincennes. (French.)
* [[Jean-Christophe Weill]] ('''1991'''). ''Experiments With the NegaC* Search - An Alternative for Othello Endgame Search.'' [[2nd Computer Olympiad#Workshop|Heuristic Programming in AI 2]]
* [[Jean-Christophe Weill]] ('''1992'''). ''The NegaC* Search.'' [[ICGA Journal#15_1|ICCA Journal, Vol. 15, No. 1]]
* [[Jean-Christophe Weill]] ('''1994'''). ''How Hard is the Correct Coding of an Easy Endgame?'' [[Advances in Computer Chess 7]], [http://www.recherche.enac.fr/%7Eweill/publications/acc7.ps.gz zipped ps]
* [[Jean-Christophe Weill]] ('''1995'''). ''Programmes d'Échecs de Championnat: Architecture Logicielle Synthèse de Fonctions d'Évaluations, Parallélisme de Recherche''. Ph.D. Thesis. [[University of Paris#8|Université Paris 8]], Saint-Denis, [http://www.recherche.enac.fr/%7Eweill/publications/phdJCW.ps.gz zipped ps] (French)
* [[Marc-François Baudot]], [[Jean-Christophe Weill]], [[Jean-Luc Seret]], [[Michel Gondran]] ('''1995'''). ''Frenchess: A Cray T3D at the 8th World Computer Chess Championship''. First European Cray-T3D Workshop, [http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.78.967 Citeseerx]
* [[Jean-Christophe Weill]] ('''1996'''). ''[http://portal.acm.org/citation.cfm?id=228345 The ABDADA Distributed Minimax Search Algorithm]''. [[ACM]] Computer Science Conference, [[ICGA Journal#19_1|ICCA Journal, Vol. 19, No. 1]], [http://www.recherche.enac.fr/%7Eweill/publications/acm.ps.gz zipped ps]
=Forum Posts=
* [https://groups.google.com/d/msg/rec.games.chess.computer/UR_Q5Wfm8u0/K6Vs6X7XIKYJ Nintendo 64 Chess] by [[Jean-Christophe Weill]], [[Computer Chess Forums|rgcc]], January 06, 1998 » [[Virtual Chess]]
* [https://groups.google.com/d/msg/rec.games.chess.computer/T0KphUfUTi8/R0ibWxvqMu0J Ed's real life] by [[Jean-Christophe Weill]], [[Computer Chess Forums|rgcc]], August 15, 1998 » [[Ed Schroder|Ed Schröder]]
=External Links=
* [http://www.recherche.enac.fr/%7Eweill/ Jean-Christophe Weill's homepage]
: [http://www.recherche.enac.fr/~weill/chess.html A Short Story of JCW's Computer Chess Program]
* [https://www.game-ai-forum.org/icga-tournaments/person.php?id=27 Jean-Christophe Weill's ICGA Tournaments]
* [http://academic.research.microsoft.com/Author/787159/jean-christophe-weill Jean-Christophe Weill] from [[Microsoft Academic Search]]
=References=
<references />
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