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Created page with "'''Home * Engines * Dolphin''' FILE:dolphinChess.jpg|border|right|thumb| Dolphin Logo <ref>[https://sourceforge.net/projects/dolphinchess/ Dolphin Chess O..."
'''[[Main Page|Home]] * [[Engines]] * Dolphin'''
[[FILE:dolphinChess.jpg|border|right|thumb| Dolphin Logo <ref>[https://sourceforge.net/projects/dolphinchess/ Dolphin Chess Open Source | Free software downloads at SourceForge.net], DolphinChess\DolphinChess\Resources\dolphin.png</ref>]]
'''Dolphin''',<br/>
a [[WinBoard]] compliant [[:Category:Open Source|open source chess program]] under the terms of the [[Free Software Foundation#GPL|GNU General Public License]] by [[Nguyen Viet Huy]], written in 2009 in [[C sharp|C#]].
Dolphin comes with an own [[GUI|graphical user interface]]. It uses a [[0x88]] array and [[Piece-Lists|piece lists]] to represent the board.
The [[Search|search]] is [[Principal Variation Search|PVS]] [[Alpha-Beta|alpha-beta]] with [[Transposition Table|transposition table]] and [[Null Move Pruning#AdaptiveNullMovePruning|adaptive nullmove pruning]] inside an [[Iterative Deepening|iterative deepening]] framework.
[[Killer Heuristic|Killer-]] and [[History Heuristic|history heuristic]] as well as [[Static Exchange Evaluation|static exchange evaluation]] are used to [[Move Ordering|order moves]]. [[Evaluation]] covers [[Material|material]], [[Mobility|mobility]], various [[Pawn Structure|pawn structure]] features, and [[King Safety|king safety]] through [[King Safety#SquareControl|square control]].
Dolphin played the [[IOCSC 2010]], and the [[DOCCC 2010]] operated by [[Tessa Pijl]].
=See also=
* [[Arion]]
=Forum Posts=
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=50278 Dolphin 1.0 question] by Modern Times, [[CCC]], November 30, 2013
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=53089 Dolphin Chess 1.0 Engine] by supersharp77, [[CCC]], July 26, 2014
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=60200 What happened to Dolphin 1.4?] by [[Günther Simon]], [[CCC]], May 17, 2016
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=61927 Informations about Dolphin Chess 1.4?] by [[Günther Simon]], [[CCC]], November 02, 2016
=External Links=
==Chess Engine==
* [https://sourceforge.net/projects/dolphinchess/ Dolphin Chess Open Source | Free software downloads at SourceForge.net] <ref>[https://en.wikipedia.org/wiki/SourceForge SourceForge from Wikipedia]</ref>
* [http://www.computerchess.org.uk/ccrl/404/cgi/engine_details.cgi?print=Details&each_game=1&eng=Dolphin%201.0%2064-bit#Dolphin_1_0_64-bit Dolphin 1.0] in [[CCRL|CCRL 40/40]]
==Misc==
* [https://en.wikipedia.org/wiki/Dolphin Dolphin from Wikipedia]
* [https://en.wikipedia.org/wiki/Dolphin_%28disambiguation%29 Dolphin (disambiguation) from Wikipedia]
* [[:Category:Aziza Mustafa Zadeh|Aziza Mustafa Zadeh]] - [https://en.wikipedia.org/wiki/Contrasts_II Lonely Dolphin] (2007), [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: {{#evu:https://www.youtube.com/watch?v=bj0EhbpNj3g|alignment=left|valignment=top}}
=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:Open Source]]
[[Category:GPL]]
[[Category:C sharp]]
[[Category:Windows]]
[[Category:WinBoard]]
[[Category:Mammal]]
[[Category:Aziza Mustafa Zadeh]]
[[FILE:dolphinChess.jpg|border|right|thumb| Dolphin Logo <ref>[https://sourceforge.net/projects/dolphinchess/ Dolphin Chess Open Source | Free software downloads at SourceForge.net], DolphinChess\DolphinChess\Resources\dolphin.png</ref>]]
'''Dolphin''',<br/>
a [[WinBoard]] compliant [[:Category:Open Source|open source chess program]] under the terms of the [[Free Software Foundation#GPL|GNU General Public License]] by [[Nguyen Viet Huy]], written in 2009 in [[C sharp|C#]].
Dolphin comes with an own [[GUI|graphical user interface]]. It uses a [[0x88]] array and [[Piece-Lists|piece lists]] to represent the board.
The [[Search|search]] is [[Principal Variation Search|PVS]] [[Alpha-Beta|alpha-beta]] with [[Transposition Table|transposition table]] and [[Null Move Pruning#AdaptiveNullMovePruning|adaptive nullmove pruning]] inside an [[Iterative Deepening|iterative deepening]] framework.
[[Killer Heuristic|Killer-]] and [[History Heuristic|history heuristic]] as well as [[Static Exchange Evaluation|static exchange evaluation]] are used to [[Move Ordering|order moves]]. [[Evaluation]] covers [[Material|material]], [[Mobility|mobility]], various [[Pawn Structure|pawn structure]] features, and [[King Safety|king safety]] through [[King Safety#SquareControl|square control]].
Dolphin played the [[IOCSC 2010]], and the [[DOCCC 2010]] operated by [[Tessa Pijl]].
=See also=
* [[Arion]]
=Forum Posts=
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=50278 Dolphin 1.0 question] by Modern Times, [[CCC]], November 30, 2013
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=53089 Dolphin Chess 1.0 Engine] by supersharp77, [[CCC]], July 26, 2014
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=60200 What happened to Dolphin 1.4?] by [[Günther Simon]], [[CCC]], May 17, 2016
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=61927 Informations about Dolphin Chess 1.4?] by [[Günther Simon]], [[CCC]], November 02, 2016
=External Links=
==Chess Engine==
* [https://sourceforge.net/projects/dolphinchess/ Dolphin Chess Open Source | Free software downloads at SourceForge.net] <ref>[https://en.wikipedia.org/wiki/SourceForge SourceForge from Wikipedia]</ref>
* [http://www.computerchess.org.uk/ccrl/404/cgi/engine_details.cgi?print=Details&each_game=1&eng=Dolphin%201.0%2064-bit#Dolphin_1_0_64-bit Dolphin 1.0] in [[CCRL|CCRL 40/40]]
==Misc==
* [https://en.wikipedia.org/wiki/Dolphin Dolphin from Wikipedia]
* [https://en.wikipedia.org/wiki/Dolphin_%28disambiguation%29 Dolphin (disambiguation) from Wikipedia]
* [[:Category:Aziza Mustafa Zadeh|Aziza Mustafa Zadeh]] - [https://en.wikipedia.org/wiki/Contrasts_II Lonely Dolphin] (2007), [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: {{#evu:https://www.youtube.com/watch?v=bj0EhbpNj3g|alignment=left|valignment=top}}
=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:Open Source]]
[[Category:GPL]]
[[Category:C sharp]]
[[Category:Windows]]
[[Category:WinBoard]]
[[Category:Mammal]]
[[Category:Aziza Mustafa Zadeh]]
