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Duck
,Created page with "'''Home * Engines * Duck''' FILE:duckbreuker.jpg|border|right|thumb|link=http://www.dennisbreuker.nl/duck/index.html| Duck <ref>[http://www.dennisbreuker..."
'''[[Main Page|Home]] * [[Engines]] * Duck'''
[[FILE:duckbreuker.jpg|border|right|thumb|link=http://www.dennisbreuker.nl/duck/index.html| Duck <ref>[http://www.dennisbreuker.nl/duck/index.html Duck] by [[Dennis Breuker]] (Dutch)</ref> ]]
'''Duck''',<br/>
a chess program written in [[C]] by [[Dennis Breuker]], competing at three [[Dutch Open Computer Chess Championship|Dutch Open Computer Chess Championships]], the [[DOCCC 1989]], the [[DOCCC 1992]], and with the same version the [[DOCCC 2000]], further playing the [[4th Computer Olympiad#Chess|4th Computer Olympiad 1992]] in [https://en.wikipedia.org/wiki/London London].
=Description=
from [[Mark Uniacke|Mark Uniacke's]] report on the [[4th Computer Olympiad|4th Computer Olympiad 1992]] <ref>[[Mark Uniacke]] ('''1992'''). ''The Chess Tournament of the AST 4th Computer Olympiad''. [[ICGA Journal#15_3|ICCA Journal, Vol. 15, No. 3]]</ref>:
[[Search|Search techniques]] used are [[Null Window|minimal-window]], [[Alpha-Beta|alpha-beta]] with [[Extensions|extensions]] for [[Check Extensions|check evasion]], [[Recapture Extensions|recaptures]], [[Singular Extensions|singular moves]] and [[Promotions|promotions]]. [[Move Ordering|Move ordering]] is by [[History Heuristic|history heuristic]], [[Refutation Move|refutation]] and [[Hash Move|transposition-table moves]] and [[Captures|captures]]. Positional values may range up to +/- 1 Pawn. Development time is 2 years on a very part time basis.
<span id="Prover"></span>
==Prover==
'''Prover''' was a [[Proof-Number Search]] implementation for chess, using chess-specific routines of Duck. Provers only goal was [[Mate Search|searching for mate]] <ref>[[Dennis Breuker]], [[Victor Allis]], [[Jaap van den Herik]] ('''1994'''). ''How to Mate: Applying Proof-Number Search''. [[Advances in Computer Chess 7]], reprint as [http://www.top-5000.nl/ps/Mate%20in%2038-%20applying%20proof%20number%20search%20to%20chess.pdf Mate in 38: Applying Proof-Number Search] from [[Ed Schroder|Ed Schroder's]] [http://www.top-5000.nl/prostuff.htm Programmer's Stuff site] » [[Proof-Number Search]]</ref>.
=See also=
* [[Various Classifications#Bird|Bird]]
=Publications=
* [[Dennis Breuker]], [[Victor Allis]], [[Jaap van den Herik]] ('''1994'''). ''How to Mate: Applying Proof-Number Search''. [[Advances in Computer Chess 7]], reprint as [http://www.top-5000.nl/ps/Mate%20in%2038-%20applying%20proof%20number%20search%20to%20chess.pdf Mate in 38: Applying Proof-Number Search] from [[Ed Schroder|Ed Schroder's]] [http://www.top-5000.nl/prostuff.htm Programmer's Stuff site] » [[Proof-Number Search]]
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=169742 1 Hour CCR Test/Zarkov and Duck/Updated Summary] by [[Peter Berger]], [[CCC]], May 14, 2001 » [[CCR One Hour Test]]
=External Links=
==Chess Engine==
* [https://www.game-ai-forum.org/icga-tournaments/program.php?id=308 Duck's ICGA Tournaments]
* [http://www.dennisbreuker.nl/duck/index.html Duck] by [[Dennis Breuker]] (Dutch)
==Duck Misc==
* [https://en.wikipedia.org/wiki/Duck Duck from Wikipedia]
* [https://en.wikipedia.org/wiki/Duck_decoy_%28structure%29 Duck decoy (structure) from Wikipedia] » [[Decoying]]
* [https://en.wikipedia.org/wiki/Duck_decoy_%28model%29 Duck decoy (model) from Wikipedia]
* [https://en.wikipedia.org/wiki/Duck_test Duck test from Wikipedia]
* [https://en.wikipedia.org/wiki/Duck_typing Duck typing from Wikipedia]
* [https://en.wikipedia.org/wiki/Ducks_Unlimited Ducks Unlimited from Wikipedia]
* [https://en.wikipedia.org/wiki/Digesting_Duck Digesting Duck] by [https://en.wikipedia.org/wiki/Jacques_de_Vaucanson Jacques de Vaucanson]
: [[FILE:Duck of Vaucanson.jpg|none|border|text-bottom]]
* [https://en.wikipedia.org/wiki/Duck_%28disambiguation%29 Duck (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/Citro%C3%ABn_2CV Citroën 2CV from Wikipedia]
* [https://en.wikipedia.org/wiki/List_of_fictional_ducks List of fictional ducks from Wikipedia]
* [[Videos#PatMetheny|Pat Metheny]] & [https://en.wikipedia.org/wiki/Anna_Maria_Jopek Anna Maria Jopek] - [http://pl.wikipedia.org/wiki/Cyraneczka Cyraneczka] ([https://en.wikipedia.org/wiki/Leszek_Mo%C5%BCd%C5%BCer Leszek Możdżer] - Piano), [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: {{#evu:https://www.youtube.com/watch?v=CD776ThlahM|alignment=left|valignment=top}}
=References=
<references />
'''[[Engines|Up one Level]]'''
[[FILE:duckbreuker.jpg|border|right|thumb|link=http://www.dennisbreuker.nl/duck/index.html| Duck <ref>[http://www.dennisbreuker.nl/duck/index.html Duck] by [[Dennis Breuker]] (Dutch)</ref> ]]
'''Duck''',<br/>
a chess program written in [[C]] by [[Dennis Breuker]], competing at three [[Dutch Open Computer Chess Championship|Dutch Open Computer Chess Championships]], the [[DOCCC 1989]], the [[DOCCC 1992]], and with the same version the [[DOCCC 2000]], further playing the [[4th Computer Olympiad#Chess|4th Computer Olympiad 1992]] in [https://en.wikipedia.org/wiki/London London].
=Description=
from [[Mark Uniacke|Mark Uniacke's]] report on the [[4th Computer Olympiad|4th Computer Olympiad 1992]] <ref>[[Mark Uniacke]] ('''1992'''). ''The Chess Tournament of the AST 4th Computer Olympiad''. [[ICGA Journal#15_3|ICCA Journal, Vol. 15, No. 3]]</ref>:
[[Search|Search techniques]] used are [[Null Window|minimal-window]], [[Alpha-Beta|alpha-beta]] with [[Extensions|extensions]] for [[Check Extensions|check evasion]], [[Recapture Extensions|recaptures]], [[Singular Extensions|singular moves]] and [[Promotions|promotions]]. [[Move Ordering|Move ordering]] is by [[History Heuristic|history heuristic]], [[Refutation Move|refutation]] and [[Hash Move|transposition-table moves]] and [[Captures|captures]]. Positional values may range up to +/- 1 Pawn. Development time is 2 years on a very part time basis.
<span id="Prover"></span>
==Prover==
'''Prover''' was a [[Proof-Number Search]] implementation for chess, using chess-specific routines of Duck. Provers only goal was [[Mate Search|searching for mate]] <ref>[[Dennis Breuker]], [[Victor Allis]], [[Jaap van den Herik]] ('''1994'''). ''How to Mate: Applying Proof-Number Search''. [[Advances in Computer Chess 7]], reprint as [http://www.top-5000.nl/ps/Mate%20in%2038-%20applying%20proof%20number%20search%20to%20chess.pdf Mate in 38: Applying Proof-Number Search] from [[Ed Schroder|Ed Schroder's]] [http://www.top-5000.nl/prostuff.htm Programmer's Stuff site] » [[Proof-Number Search]]</ref>.
=See also=
* [[Various Classifications#Bird|Bird]]
=Publications=
* [[Dennis Breuker]], [[Victor Allis]], [[Jaap van den Herik]] ('''1994'''). ''How to Mate: Applying Proof-Number Search''. [[Advances in Computer Chess 7]], reprint as [http://www.top-5000.nl/ps/Mate%20in%2038-%20applying%20proof%20number%20search%20to%20chess.pdf Mate in 38: Applying Proof-Number Search] from [[Ed Schroder|Ed Schroder's]] [http://www.top-5000.nl/prostuff.htm Programmer's Stuff site] » [[Proof-Number Search]]
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=169742 1 Hour CCR Test/Zarkov and Duck/Updated Summary] by [[Peter Berger]], [[CCC]], May 14, 2001 » [[CCR One Hour Test]]
=External Links=
==Chess Engine==
* [https://www.game-ai-forum.org/icga-tournaments/program.php?id=308 Duck's ICGA Tournaments]
* [http://www.dennisbreuker.nl/duck/index.html Duck] by [[Dennis Breuker]] (Dutch)
==Duck Misc==
* [https://en.wikipedia.org/wiki/Duck Duck from Wikipedia]
* [https://en.wikipedia.org/wiki/Duck_decoy_%28structure%29 Duck decoy (structure) from Wikipedia] » [[Decoying]]
* [https://en.wikipedia.org/wiki/Duck_decoy_%28model%29 Duck decoy (model) from Wikipedia]
* [https://en.wikipedia.org/wiki/Duck_test Duck test from Wikipedia]
* [https://en.wikipedia.org/wiki/Duck_typing Duck typing from Wikipedia]
* [https://en.wikipedia.org/wiki/Ducks_Unlimited Ducks Unlimited from Wikipedia]
* [https://en.wikipedia.org/wiki/Digesting_Duck Digesting Duck] by [https://en.wikipedia.org/wiki/Jacques_de_Vaucanson Jacques de Vaucanson]
: [[FILE:Duck of Vaucanson.jpg|none|border|text-bottom]]
* [https://en.wikipedia.org/wiki/Duck_%28disambiguation%29 Duck (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/Citro%C3%ABn_2CV Citroën 2CV from Wikipedia]
* [https://en.wikipedia.org/wiki/List_of_fictional_ducks List of fictional ducks from Wikipedia]
* [[Videos#PatMetheny|Pat Metheny]] & [https://en.wikipedia.org/wiki/Anna_Maria_Jopek Anna Maria Jopek] - [http://pl.wikipedia.org/wiki/Cyraneczka Cyraneczka] ([https://en.wikipedia.org/wiki/Leszek_Mo%C5%BCd%C5%BCer Leszek Możdżer] - Piano), [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: {{#evu:https://www.youtube.com/watch?v=CD776ThlahM|alignment=left|valignment=top}}
=References=
<references />
'''[[Engines|Up one Level]]'''
