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Elephant
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[[FILE:Elefantengebäude -Maximilian Park-2.JPG|border|right|thumb|
The [https://de.wikipedia.org/wiki/Glaselefant Glas Elephant] <ref>The [https://de.wikipedia.org/wiki/Glaselefant Glas Elephant], [https://de.wikipedia.org/wiki/Maximilianpark Maximilianpark], [https://en.wikipedia.org/wiki/Hamm Hamm], [https://en.wikipedia.org/wiki/North_Rhine-Westphalia North Rhine-Westphalia], Germany, [[:Category:Industrial Heritage Trail|The Industrial Heritage Trail]]</ref> in [https://en.wikipedia.org/wiki/Hamm Hamm] <ref>[http://www.hammwiki.de/wiki/Elefantenparade Elefantenparade – HammWiki]</ref> ]]
'''Elephant''',<br/>
=Description=
Elephant applies [[Principal Variation Search|PVS]] [[Alpha-Beta|alpha-beta]] with [[Transposition Table|transposition table]], [[Quiescence Search|quiescence]], [[Null Move Pruning#AdaptiveNullMovePruning|adaptive null move pruning]], [[Internal Iterative Deepening|IID]], [[Razoring|razoring]], [[Futility Pruning|futility pruning]] and various [[Extensions|extensions]], embedded inside an [[Depth#FractionalPlies|fractional ply]] [[Iterative Deepening|iterative deepening]] framework. [[Move Ordering|Move ordering]] at the [[Root|root]] is based on [[Node|node count]], and otherwise considers [[Hash Move|hash move]] including [[Principal variationVariation|principle variation]], [[Static Exchange Evaluation|static exchange evaluation]], [[Killer Heuristic|killer-]] and [[History Heuristic|history heuristic]]. [[Evaluation]] might be [[Lazy Evaluation|lazy]] and takes [[Material|material]], [[Pawn Hash Table|cached]] [[Pawn Structure|pawn structure]], [[King Safety|king safety]], [[Piece-Square Tables|piece-squares tables]], [[Mobility|mobility]] and multiple other terms into account. Elephant was used as testbed to compare various [[Bitboards|bitboard]] techniques in generating [[Sliding Piece Attacks|sliding piece attacks]] <ref>[http://www.talkchess.com/forum/viewtopic.php?topic_view=threads&p=140111&t=16002 Re: BitBoard Tests Magic v Non-Rotated 32 Bits v 64 Bits] by [[Harald Lüßen]], [[CCC]], August 24, 2007</ref>, in particular [[Exploding Bitboards|Exploding-]] and [[Sherwin Bitboards]].
=See also=
* [[Arimaa]]
* [[Various Classifications#ChessPiecesElephant (Xiangqi)|Chess PiecesElephant]]* , the [[Chinese Chess]]engine by [[Shun-Chin Hsu]], [[Shun-Shii Lin]], [[Shih-Chieh Huang]] et al.
* [[Hannibal]]
* [[Jumbo]]
=Forum Posts=
=External Links=
==Chess Engine==
* [https://web.archive.org/web/20120105073311/http://wbec-ridderkerk.nl/html/details1/Elephant.html Elephant] from [[WBEC|WBEC Ridderkerk]]([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
* [http://www.computerchess.org.uk/ccrl/404/cgi/engine_details.cgi?print=Details&eng=Elephant%201.06 Elephant 1.06] in [[CCRL|CCRL 40/4]]
==Chess and Variants==
* [http://history.chess.free.fr/india.htm Indian Chess Sets]
* [https://en.wikipedia.org/wiki/Xiangqi#Pieces Xiangqi - Pieces from Wikipedia]
* [https://en.wikipedia.org/wiki/Elephant_Gambit Elephant Gambit from Wikipedia]
==Misc==
* [https://en.wikipedia.org/wiki/Elephant Elephant from Wikipedia]
* [https://en.wikipedia.org/wiki/Blind_men_and_an_elephant Blind men and an elephant - Wkipedia]
* [https://en.wikipedia.org/wiki/War_elephant War elephant from Wikipedia]
* [[:Category:King Crimson|King Crimson]] - [http://www.elephant-talk.com/wiki/ETWiki_Home Elephant Talk], live on [https://en.wikipedia.org/wiki/Fridays_%28TV_series%29 Fridays] (19821981), [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: lineup: [https://en.wikipedia.org/wiki/Tony_Levin Tony Levin], [[:Category:Adrian Belew|Adrian Belew]], [[:Category:Bill Bruford|Bill Bruford]], [[:Category:Robert Fripp|Robert Fripp]]
: {{#evu:https://www.youtube.com/watch?v=GTQrlDzqUCAp5Eoek8a500|alignment=left|valignment=top}}
=References=
'''[[Engines|Up one Level]]'''
[[Category:WinBoard]]
[[Category:PC]]
[[Category:X86]]
[[Category:X64]]
[[Category:Windows]]
[[Category:Industrial Heritage Trail]]
[[Category:Mammal]]
[[Category:King Crimson]]