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'''[[Main Page|Home]] * [[Engines]] * Monarch'''
[[FILE:Monarch In May.jpg|border|right|thumb| Monarch Butterfly <ref>[http://commons.wikimedia.org/wiki/File:Monarch_In_May.jpg Photograph] of a Monarch Butterfly taken by [https://en.wikipedia.org/wiki/User:HaarFager Kenneth Dwain Harrelson] May 29, 2007, [https://en.wikipedia.org/wiki/Monarch_%28butterfly%29 Monarch (butterfly) from Wikipedia]</ref> ]]
'''Monarch''', (Monarch Chess)<br/>
an [[UCI]] compatible, free chess engine by [[Steve Maughan]], initially written in [[Delphi]] and re-written in [[C]] <ref>[https://www.stmintz.com/ccc/index.php?id=359707 New UCI 2 version of Monarch] by [[Steve Maughan]], [[CCC], April 12, 2004</ref>.
Monarch's board is internally [[Board Representation|represented]] as an [[Array|array]] (Version 1.0 used [[Bitboards|bitboards]] and a pre-generated move table), performs [[Principal Variation Search|PVS]] with [[Check|checks]] searched at the first [[Ply|ply]] of the [[Quiescence Search|quiescence]], in conjunction with [[Static Exchange Evaluation|SEE]], [[Killer Heuristic|killer]] and [[History Heuristic|history heuristic]], [[Null Move Pruning|null move pruning]] with [[Depth Reduction R|R]] = 3, [[Enhanced Transposition Cutoff|ETC]] and [[Internal Iterative Deepening|IID]], and the [[Evaluation|evaluation]] based on [[Piece-Square Tables|piece square tables]] <ref>[http://www.monarchchess.com/technical.html What makes Monarch tick?]</ref> .
=See also=
* [[Maverick]]
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=212291 New version of Monarch UCI engine] by [[Steve Maughan]], [[CCC]], February 07, 2002
* [https://www.stmintz.com/ccc/index.php?id=214311 Monarch on a fast Athlon XP2000+ or 2.2 GHz P4?] by [[Steve Maughan]], [[CCC]], February 19, 2002
* [https://www.stmintz.com/ccc/index.php?id=359707 New UCI 2 version of Monarch] by [[Steve Maughan]], [[CCC], April 12, 2004
* [https://www.stmintz.com/ccc/index.php?id=360584 New UCI 2 version of Monarch] by [[Steve Maughan]], [[CCC], April 18, 2004
=External Links=
==Chess Engine==
* [http://www.monarchchess.com/index.html Monarch Chess Home Page]
* [http://www.stevemaughan.com/chess-reversi/monarch-chess/ Monarch UCI Chess Engine | Steve Maughan]
* [http://www.computerchess.org.uk/ccrl/4040/cgi/engine_details.cgi?print=Details&eng=Monarch%201.7 Monarch 1.7] in [[CCRL|CCRL 40/40]]
==Misc==
* [https://en.wikipedia.org/wiki/Monarch_%28disambiguation%29 Monarch (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/Monarch Monarch from Wikipedia]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:UCI]]
[[Category:Arthropod]]
[[Category:Nobility]]
[[FILE:Monarch In May.jpg|border|right|thumb| Monarch Butterfly <ref>[http://commons.wikimedia.org/wiki/File:Monarch_In_May.jpg Photograph] of a Monarch Butterfly taken by [https://en.wikipedia.org/wiki/User:HaarFager Kenneth Dwain Harrelson] May 29, 2007, [https://en.wikipedia.org/wiki/Monarch_%28butterfly%29 Monarch (butterfly) from Wikipedia]</ref> ]]
'''Monarch''', (Monarch Chess)<br/>
an [[UCI]] compatible, free chess engine by [[Steve Maughan]], initially written in [[Delphi]] and re-written in [[C]] <ref>[https://www.stmintz.com/ccc/index.php?id=359707 New UCI 2 version of Monarch] by [[Steve Maughan]], [[CCC], April 12, 2004</ref>.
Monarch's board is internally [[Board Representation|represented]] as an [[Array|array]] (Version 1.0 used [[Bitboards|bitboards]] and a pre-generated move table), performs [[Principal Variation Search|PVS]] with [[Check|checks]] searched at the first [[Ply|ply]] of the [[Quiescence Search|quiescence]], in conjunction with [[Static Exchange Evaluation|SEE]], [[Killer Heuristic|killer]] and [[History Heuristic|history heuristic]], [[Null Move Pruning|null move pruning]] with [[Depth Reduction R|R]] = 3, [[Enhanced Transposition Cutoff|ETC]] and [[Internal Iterative Deepening|IID]], and the [[Evaluation|evaluation]] based on [[Piece-Square Tables|piece square tables]] <ref>[http://www.monarchchess.com/technical.html What makes Monarch tick?]</ref> .
=See also=
* [[Maverick]]
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=212291 New version of Monarch UCI engine] by [[Steve Maughan]], [[CCC]], February 07, 2002
* [https://www.stmintz.com/ccc/index.php?id=214311 Monarch on a fast Athlon XP2000+ or 2.2 GHz P4?] by [[Steve Maughan]], [[CCC]], February 19, 2002
* [https://www.stmintz.com/ccc/index.php?id=359707 New UCI 2 version of Monarch] by [[Steve Maughan]], [[CCC], April 12, 2004
* [https://www.stmintz.com/ccc/index.php?id=360584 New UCI 2 version of Monarch] by [[Steve Maughan]], [[CCC], April 18, 2004
=External Links=
==Chess Engine==
* [http://www.monarchchess.com/index.html Monarch Chess Home Page]
* [http://www.stevemaughan.com/chess-reversi/monarch-chess/ Monarch UCI Chess Engine | Steve Maughan]
* [http://www.computerchess.org.uk/ccrl/4040/cgi/engine_details.cgi?print=Details&eng=Monarch%201.7 Monarch 1.7] in [[CCRL|CCRL 40/40]]
==Misc==
* [https://en.wikipedia.org/wiki/Monarch_%28disambiguation%29 Monarch (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/Monarch Monarch from Wikipedia]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:UCI]]
[[Category:Arthropod]]
[[Category:Nobility]]
