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Created page with "'''Home * Engines * Protej''' FILE:Hoellischer Proteus.jpg|border|right|thumb|220px| Protej <ref>The infernal Proteus, from [https://en.wikipedia.org/wiki..."
'''[[Main Page|Home]] * [[Engines]] * Protej'''
[[FILE:Hoellischer Proteus.jpg|border|right|thumb|220px| Protej <ref>The infernal Proteus, from [https://en.wikipedia.org/wiki/Erasmus_Finx Erasmus Francisci] ('''1695'''). ''[http://www.zeno.org/Literatur/M/Francisci,+Erasmus/Werk/Der+H%C3%B6llische+Proteus,+oder+Tausendk%C3%BCnstige+Versteller Der Höllische Proteus, oder Tausendkünstige Versteller, vermittelst Erzehlung der vielfältigen Bild-Verwechslungen Erscheinender Gespenster, Werffender und poltrender Geister, gespenstischer Vorzeichen der Todes-Fälle, Wie auch Andrer abentheurlicher Händel, arglistiger Possen, und seltsamer Aufzüge dieses verdammten Schauspielers, und, Von theils Gelehrten, für den menschlichen Lebens-Geist irrig-angesehenen Betriegers, (nebenst vorberichtlichem Grund-Beweis der Gewissheit, daß es würcklich Gespenster gebe)]''. 2nd edition, Nürnberg: Endter, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''Protej''',<br/>
a [[WinBoard]] compliant chess engine by [[Alex Brunetti]], written in [[Delphi]] and [[Assembly]].
Protej applies [[Rotated Bitboards|rotated bitboards]] - its [[Search|search]] evolved to [[Iterative Deepening|iterative deepening]] [[Aspiration Windows|aspiration search]] with [[NegaScout]] [[Alpha-Beta|alpha-beta]], [[Null Move Pruning|null move pruning]] with [[Depth Reduction R|R == 3]], [[Transposition Table|transposition table]], and basic search [[Extensions|extensions]] and [[Reductions|reductions]].
The [[Quiescence Search|quiescence search]] ignores losing [[Captures|captures]], thanks to a fast [[Static Exchange Evaluation|SEE]] implementation <ref>[http://protej.info/ Protej chess engine - chronology]</ref>.
So far, Protej played the [[CCT9]], [[CCT10]], [[WCRCC 2014]] online, and [[CIPS 2007]], [[CCC 2008]], and [[CCC 2009]] over the board.
=Forum Posts=
* [http://www.talkchess.com/forum/viewtopic.php?t=31800 Protej 0.5.7] by [[Alex Brunetti]], [[CCC]], January 18, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=31848 Protej 0.5.7 : 2000] by [[Patrick Buchmann]], [[CCC]], January 19, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=52518 Protej 0.5.8] by [[Alex Brunetti]], [[CCC]], June 01, 2014
=External Links=
==Chess Engine==
* [http://protej.info/ Protej chess engine]
* [http://www.g-sei.org/protej/ Protej « G 6]
* [http://www.computerchess.org.uk/ccrl/4040/cgi/compare_engines.cgi?family=Protej&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 Protej] in [[CCRL|CCRL 40/15]]
==Misc==
* [https://hr.wikipedia.org/wiki/Protej_%28mitologija%29 Protej (mitologija) Wikipedia.hr] (Bosnian-Croatian)
* [https://it.wikipedia.org/wiki/Proteo Proteo Wikipedia.it] (Italian)
* [https://en.wikipedia.org/wiki/Proteus Proteus from Wikipedia]
* [https://en.wiktionary.org/wiki/protego protego - Wiktionary]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:Delphi]]
[[Category:WinBoard]]
[[Category:X86]]
[[Category:PC]]
[[Category:Windows]]
[[Category:Demonology]]
[[Category:Mythology]]
[[FILE:Hoellischer Proteus.jpg|border|right|thumb|220px| Protej <ref>The infernal Proteus, from [https://en.wikipedia.org/wiki/Erasmus_Finx Erasmus Francisci] ('''1695'''). ''[http://www.zeno.org/Literatur/M/Francisci,+Erasmus/Werk/Der+H%C3%B6llische+Proteus,+oder+Tausendk%C3%BCnstige+Versteller Der Höllische Proteus, oder Tausendkünstige Versteller, vermittelst Erzehlung der vielfältigen Bild-Verwechslungen Erscheinender Gespenster, Werffender und poltrender Geister, gespenstischer Vorzeichen der Todes-Fälle, Wie auch Andrer abentheurlicher Händel, arglistiger Possen, und seltsamer Aufzüge dieses verdammten Schauspielers, und, Von theils Gelehrten, für den menschlichen Lebens-Geist irrig-angesehenen Betriegers, (nebenst vorberichtlichem Grund-Beweis der Gewissheit, daß es würcklich Gespenster gebe)]''. 2nd edition, Nürnberg: Endter, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''Protej''',<br/>
a [[WinBoard]] compliant chess engine by [[Alex Brunetti]], written in [[Delphi]] and [[Assembly]].
Protej applies [[Rotated Bitboards|rotated bitboards]] - its [[Search|search]] evolved to [[Iterative Deepening|iterative deepening]] [[Aspiration Windows|aspiration search]] with [[NegaScout]] [[Alpha-Beta|alpha-beta]], [[Null Move Pruning|null move pruning]] with [[Depth Reduction R|R == 3]], [[Transposition Table|transposition table]], and basic search [[Extensions|extensions]] and [[Reductions|reductions]].
The [[Quiescence Search|quiescence search]] ignores losing [[Captures|captures]], thanks to a fast [[Static Exchange Evaluation|SEE]] implementation <ref>[http://protej.info/ Protej chess engine - chronology]</ref>.
So far, Protej played the [[CCT9]], [[CCT10]], [[WCRCC 2014]] online, and [[CIPS 2007]], [[CCC 2008]], and [[CCC 2009]] over the board.
=Forum Posts=
* [http://www.talkchess.com/forum/viewtopic.php?t=31800 Protej 0.5.7] by [[Alex Brunetti]], [[CCC]], January 18, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=31848 Protej 0.5.7 : 2000] by [[Patrick Buchmann]], [[CCC]], January 19, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=52518 Protej 0.5.8] by [[Alex Brunetti]], [[CCC]], June 01, 2014
=External Links=
==Chess Engine==
* [http://protej.info/ Protej chess engine]
* [http://www.g-sei.org/protej/ Protej « G 6]
* [http://www.computerchess.org.uk/ccrl/4040/cgi/compare_engines.cgi?family=Protej&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 Protej] in [[CCRL|CCRL 40/15]]
==Misc==
* [https://hr.wikipedia.org/wiki/Protej_%28mitologija%29 Protej (mitologija) Wikipedia.hr] (Bosnian-Croatian)
* [https://it.wikipedia.org/wiki/Proteo Proteo Wikipedia.it] (Italian)
* [https://en.wikipedia.org/wiki/Proteus Proteus from Wikipedia]
* [https://en.wiktionary.org/wiki/protego protego - Wiktionary]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:Delphi]]
[[Category:WinBoard]]
[[Category:X86]]
[[Category:PC]]
[[Category:Windows]]
[[Category:Demonology]]
[[Category:Mythology]]
