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Created page with "'''Home * Engines * Joker NL''' FILE:HGMjokerlogo.jpg|border|right|thumb|link=http://home.hccnet.nl/h.g.muller/joker.html| Joker <ref>[http://home.hccnet...."
'''[[Main Page|Home]] * [[Engines]] * Joker NL'''
[[FILE:HGMjokerlogo.jpg|border|right|thumb|link=http://home.hccnet.nl/h.g.muller/joker.html| Joker <ref>[http://home.hccnet.nl/h.g.muller/joker.html The Joker Chess Engine]</ref> ]]
'''Joker''',<br/>
a [[Chess Engine Communication Protocol]] compatible experimental chess program written by [[Harm Geert Muller]] for the purpose of trying out novel techniques, such as combining [[Depth-First|depth-first]] with [[Best-First|breadth-first]] search algorithms, [[Futility Pruning#DeepFutilityPruning|deep futility pruning]] <ref>[http://home.hccnet.nl/h.g.muller/deepfut.html Deep Futility Pruning] by [[Harm Geert Muller]]</ref>, and [[Incremental Updates|differentially maintained]] [[Attack and Defend Maps|attack tables]] and [[Pawn Structure|Pawn-structure evaluation]] <ref>[http://home.hccnet.nl/h.g.muller/joker.html The Joker Chess Engine]</ref>. In 2011, HGM stopped the work on Joker, and started a new engine named [[Spartacus]] instead, based on a 24x10 board <ref>[http://www.talkchess.com/forum/viewtopic.php?topic_view=threads&p=432065&t=41007 Re: Any joker1114w Updates?] by [[Harm Geert Muller|H.G.Muller]], [[CCC]], November 06, 2011</ref>.
=Selected Games=
[[DOCCC 2010]], round 8, [[HansDamf]] - [[Joker NL|Joker]] <ref>[http://www.csvn.nl/index.php?option=com_docman&task=cat_view&gid=37&Itemid=26&lang=en Downloads | Open Dutch Computer Chess Championships | Games]</ref>
<pre>
[Event "DOCCC 2010"]
[Site "Leiden"]
[Date "2010.11.28"]
[Round "8"]
[White "HansDamf"]
[Black "Joker"]
[Result "0-1"]
1.d4 d5 2.c4 dxc4 3.Nf3 b5 4.e3 c6 5.a4 Nf6 6.Nc3 b4 7.Na2 e6 8.Bxc4 Nbd7
9.Bd2 a5 10.O-O Bd6 11.Re1 Ne4 12.Bd3 Nxd2 13.Qxd2 Bb7 14.e4 e5 15.Rad1 O-O
16.b3 exd4 17.e5 Bb8 18.Qc2 g6 19.e6 fxe6 20.Nxd4 Qc7 21.g3 Ba7 22.Bxg6 Ne5
23.Bh5 Bxd4 24.Rxd4 c5 25.Rh4 Rf5 26.Re3 Qc6 27.f3 c4 28.Bg4 Qb6 29.Qf2 Rg5
30.Re2 Qxf2+ 31.Rxf2 Rxg4 32.fxg4 cxb3 33.Nc1 Nf3+ 34.Kf1 Nxh4 35.gxh4 Bd5
36.Rb2 Rf8+ 37.Ke2 Rf3 38.Nd3 Rh3 39.Nf2 Rxh2 40.Ke3 Rxh4 41.Kf4 Kf7 42.Kg3
Rh6 43.Kf4 Rf6+ 44.Ke5 Rf3 45.Nd1 Rd3 46.Nf2 Rc3 47.Rb1 Ke7 48.Nd1 Rg3 49.Nf2
Re3+ 50.Kd4 Re2 51.Nd1 Be4 52.Rxb3 Bc2 53.Rh3 Rd2+ 54.Kc4 Rxd1 55.Rh5 Rg1
56.Kd4 Rxg4+ 0-1
</pre>
=Namesake=
* [[Joker]] by [[Marc-François Baudot]] and [[Jean-Christophe Weill]]
* [[Joker IT|Joker]] by [[Manlio Morini]]
=See also=
* [[Various Classifications#Comics|Comics]]
* [[Jester]] by [[Stéphane Nguyen]]
* [[Jester US|Jester]] by [[Marty Franz]]
* [[KingSlayer]]
* [[Micro-Max]]
* [[Spartacus]]
=External Links=
==Chess Engine==
* [https://www.game-ai-forum.org/icga-tournaments/program.php?id=604 Joker's ICGA Tournaments]
* [http://home.hccnet.nl/h.g.muller/joker.html The Joker Chess Engine]
==Misc==
* [https://en.wikipedia.org/wiki/Joker Joker disambiguation page from Wikipedia]
* [https://en.wikipedia.org/wiki/Joker_%28playing_card%29 Joker (playing card) from Wikipedia]
* [https://en.wikipedia.org/wiki/Joker_%28comics%29 Joker (comics) from Wikipedia]
* [https://en.wikipedia.org/wiki/Joker_%28comic_book%29 Joker (comic book) from Wikipedia]
* [https://en.wikipedia.org/wiki/Anthony_Newley Anthony Newley] - [https://en.wikipedia.org/wiki/The_Joker_(Anthony_Newley_song) The Joker] (1965), [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: {{#evu:https://www.youtube.com/watch?v=1mq-zLh7wvw|alignment=left|valignment=top}}
=References=
<references />
'''[[Engines|Up one Level]]'''
[[FILE:HGMjokerlogo.jpg|border|right|thumb|link=http://home.hccnet.nl/h.g.muller/joker.html| Joker <ref>[http://home.hccnet.nl/h.g.muller/joker.html The Joker Chess Engine]</ref> ]]
'''Joker''',<br/>
a [[Chess Engine Communication Protocol]] compatible experimental chess program written by [[Harm Geert Muller]] for the purpose of trying out novel techniques, such as combining [[Depth-First|depth-first]] with [[Best-First|breadth-first]] search algorithms, [[Futility Pruning#DeepFutilityPruning|deep futility pruning]] <ref>[http://home.hccnet.nl/h.g.muller/deepfut.html Deep Futility Pruning] by [[Harm Geert Muller]]</ref>, and [[Incremental Updates|differentially maintained]] [[Attack and Defend Maps|attack tables]] and [[Pawn Structure|Pawn-structure evaluation]] <ref>[http://home.hccnet.nl/h.g.muller/joker.html The Joker Chess Engine]</ref>. In 2011, HGM stopped the work on Joker, and started a new engine named [[Spartacus]] instead, based on a 24x10 board <ref>[http://www.talkchess.com/forum/viewtopic.php?topic_view=threads&p=432065&t=41007 Re: Any joker1114w Updates?] by [[Harm Geert Muller|H.G.Muller]], [[CCC]], November 06, 2011</ref>.
=Selected Games=
[[DOCCC 2010]], round 8, [[HansDamf]] - [[Joker NL|Joker]] <ref>[http://www.csvn.nl/index.php?option=com_docman&task=cat_view&gid=37&Itemid=26&lang=en Downloads | Open Dutch Computer Chess Championships | Games]</ref>
<pre>
[Event "DOCCC 2010"]
[Site "Leiden"]
[Date "2010.11.28"]
[Round "8"]
[White "HansDamf"]
[Black "Joker"]
[Result "0-1"]
1.d4 d5 2.c4 dxc4 3.Nf3 b5 4.e3 c6 5.a4 Nf6 6.Nc3 b4 7.Na2 e6 8.Bxc4 Nbd7
9.Bd2 a5 10.O-O Bd6 11.Re1 Ne4 12.Bd3 Nxd2 13.Qxd2 Bb7 14.e4 e5 15.Rad1 O-O
16.b3 exd4 17.e5 Bb8 18.Qc2 g6 19.e6 fxe6 20.Nxd4 Qc7 21.g3 Ba7 22.Bxg6 Ne5
23.Bh5 Bxd4 24.Rxd4 c5 25.Rh4 Rf5 26.Re3 Qc6 27.f3 c4 28.Bg4 Qb6 29.Qf2 Rg5
30.Re2 Qxf2+ 31.Rxf2 Rxg4 32.fxg4 cxb3 33.Nc1 Nf3+ 34.Kf1 Nxh4 35.gxh4 Bd5
36.Rb2 Rf8+ 37.Ke2 Rf3 38.Nd3 Rh3 39.Nf2 Rxh2 40.Ke3 Rxh4 41.Kf4 Kf7 42.Kg3
Rh6 43.Kf4 Rf6+ 44.Ke5 Rf3 45.Nd1 Rd3 46.Nf2 Rc3 47.Rb1 Ke7 48.Nd1 Rg3 49.Nf2
Re3+ 50.Kd4 Re2 51.Nd1 Be4 52.Rxb3 Bc2 53.Rh3 Rd2+ 54.Kc4 Rxd1 55.Rh5 Rg1
56.Kd4 Rxg4+ 0-1
</pre>
=Namesake=
* [[Joker]] by [[Marc-François Baudot]] and [[Jean-Christophe Weill]]
* [[Joker IT|Joker]] by [[Manlio Morini]]
=See also=
* [[Various Classifications#Comics|Comics]]
* [[Jester]] by [[Stéphane Nguyen]]
* [[Jester US|Jester]] by [[Marty Franz]]
* [[KingSlayer]]
* [[Micro-Max]]
* [[Spartacus]]
=External Links=
==Chess Engine==
* [https://www.game-ai-forum.org/icga-tournaments/program.php?id=604 Joker's ICGA Tournaments]
* [http://home.hccnet.nl/h.g.muller/joker.html The Joker Chess Engine]
==Misc==
* [https://en.wikipedia.org/wiki/Joker Joker disambiguation page from Wikipedia]
* [https://en.wikipedia.org/wiki/Joker_%28playing_card%29 Joker (playing card) from Wikipedia]
* [https://en.wikipedia.org/wiki/Joker_%28comics%29 Joker (comics) from Wikipedia]
* [https://en.wikipedia.org/wiki/Joker_%28comic_book%29 Joker (comic book) from Wikipedia]
* [https://en.wikipedia.org/wiki/Anthony_Newley Anthony Newley] - [https://en.wikipedia.org/wiki/The_Joker_(Anthony_Newley_song) The Joker] (1965), [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: {{#evu:https://www.youtube.com/watch?v=1mq-zLh7wvw|alignment=left|valignment=top}}
=References=
<references />
'''[[Engines|Up one Level]]'''
