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Amoeba

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'''Amoeba''',<br/>
an [[UCI]] compliant [[:Category:Open Source|open source chess engine]] by [[Richard Delorme]], written in the [[D-Proglanguage(Programming Language)|D programming language]], first released in May 2016 <ref>[http://www.talkchess.com/forum/viewtopic.php?t=60228 amoeba a new UCI engine] by [[Richard Delorme]], [[CCC]], May 20, 2016</ref>, licensed under the [[Free Software Foundation#GPL|GPL v3.0]]. Amoeba uses the [https://en.wikipedia.org/wiki/Nelder%E2%80%93Mead_method Nelder–Mead method] <ref>[https://en.wikipedia.org/wiki/John_Nelder John Nelder], [https://de.wikipedia.org/wiki/Roger_Mead Roger Mead] ('''1965'''). ''A Simplex Method for Function Minimization''. [https://en.wikipedia.org/wiki/The_Computer_Journal The Computer Journal], Vol. 7, No. 4, doi:[http://comjnl.oxfordjournals.org/content/7/4/308 10.1093/comjnl/7.4.308]</ref> or downhill simplex method <ref>[[Mathematician#MHWright|Margaret H. Wright]] ('''2012'''). ''Nelder, Mead, and the Other Simplex Method''. [https://www.math.uni-bielefeld.de/documenta/Welcome-eng.html Documenta Mathematica], [https://www.math.uni-bielefeld.de/documenta/vol-ismp/vol-ismp.html Extra Volume Optimization Stories], [http://www.math.uiuc.edu/documenta/vol-ismp/42_wright-margaret.pdf pdf]</ref> to [[Automated Tuning|tune]] its [[Evaluation|evaluation]] parameters, also called '''amoeba''' method and eponym of the program <ref>[https://github.com/abulmo/amoeba/blob/master/README.md amoeba/README.md at master · abulmo/amoeba · GitHub]</ref>.
=Features=
* [[Tempo]]
* [[Automated Tuning]] using [https://en.wikipedia.org/wiki/Nelder%E2%80%93Mead_method Nelder–Mead method] aka Amoeba method
==<span id="TournamentManager"></span>[[Match Statistics#TournamentManager|Tournament Manager]]==: With the release of Amoeba '''2.1''', the code of a tournament manager was published also written in [[D-Proglanguage(Programming Language)|D language]], used to validate or reject Amoeba changes <ref>[http://www.talkchess.com/forum/viewtopic.php?t=62922 sprt tourney manager] by [[Richard Delorme]], [[CCC]], January 24, 2017</ref>. So far only with fixed time per move, it
* can use various [[Opening Book|openings]] from [[Portable Game Notation|pgn file]]
* can play several games in parallel
=Forum Posts=
==2016...==
* [http://www.talkchess.com/forum/viewtopic.php?t=60228 amoeba a new UCI engine] by [[Richard Delorme]], [[CCC]], May 20, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=61022 Amoeba 1.3 released] by [[Richard Delorme]], [[CCC]], August 03, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=62293 Amoeba 2.0] by [[Richard Delorme]], [[CCC]], November 27, 2016
==2017==
* [http://www.talkchess.com/forum/viewtopic.php?t=62921 amoeba 2.1] by [[Richard Delorme]], [[CCC]], January 24, 2017
* [http://www.talkchess.com/forum/viewtopic.php?t=62922 sprt tourney manager] by [[Richard Delorme]], [[CCC]], January 24, 2017 » [[#TournamentManager|Amoeba Tournament Manager]], [[Match Statistics#SPRT|SPRT]]
* [http://www.talkchess.com/forum/viewtopic.php?t=65255 Amoeba 2.6] by [[Richard Delorme]], [[CCC]], September 22, 2017
* [http://www.talkchess.com/forum/viewtopic.php?t=65981 Amoeba 2.7] by [[Richard Delorme]], [[CCC]], December 11, 2017
==2018==
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=66877 Amoeba 2.8] by [[Richard Delorme]], [[CCC]], March 18, 2018
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=69754&start=60 Re: New engine releases 2019] (Amoeba 3.0) by [[Richard Delorme]], [[CCC]], March 28, 2019
==2020 ...==
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=72613&start=41 Re: New engine releases 2020] (Amoeba 3.1) by [[Richard Delorme]], [[CCC]], January 16, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=72613&start=284 Re: New engine releases 2020] (Amoeba 3.2) by [[Richard Delorme]], [[CCC]], July 25, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=76209&start=140 Re: New engine releases & news 2021] (Amoeba 3.3) by [[Richard Delorme]], [[CCC]], March 14, 2021
* [https://www.talkchess.com/forum3/viewtopic.php?f=2&t=76209&start=950 Re: New engine releases & news 2021] (Amoeba 3.4) by [[Richard Delorme]], [[CCC]], December 16, 2021
=External Links=

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