Changes

Jump to: navigation, search

Orion

837 bytes added, 18:04, 1 December 2020
no edit summary
'''Orion''',<br/>
an [[UCI]] compliant chess engine by [[David Carteau]], written in [[C]] and first released in May 2014.
In August 2020, David Carteau published results using an own [[AVX2]] [[NNUE]] implementation so far , initially compatible with [[Stockfish NNUE]] nets, with a huge improvement in [[Playing Strength|playing strength]]<ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=74828 Orion 0.7 : NNUE experiment] by [[David Carteau]], [[CCC]], August 19, 2020</ref>. He is in the process to design has designed and train trained his own NNUE -like approach published as [[Cerebrum]] open source library on [https://en.wikipedia.org/wiki/GitHub GitHub] <ref>[https://github.com/david-carteau/cerebrum GitHub - david-carteau/cerebrum: The Cerebrum library]</ref>, first used within '''Orion 0.8''', released in December 2020 <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=74828&start=18 Re: 75953 Orion 0.7 : NNUE experiment8 + The Cerebrum release] by [[David Carteau]], [[CCC]], September 06December 01, 2020</ref>.
=Features=
==[[Evaluation]]==
* [[NNUE]] (0.7.nnue)
* [[NNUE]]-like [[Cerebrum]] (0.8)
* [[Automated Tuning]] by [[Automated Tuning#LinearRegression|Linear Regression]] using [[Python]] [https://en.wikipedia.org/wiki/Scikit-learn scikit-learn] (0.6) <ref>[https://scikit-learn.org/stable/modules/linear_model.html#ridge-regression-and-classification 1.1. Linear Models โ€” scikit-learn 0.23.2 documentation]</ref>
* [[Automated Tuning]] by [[Genetic Programming#PBIL|PBIL]] (pre 0.6)
* [[King Safety#Attacking|Attacking King Zone]]
==Misc==
* [[Syzygy Bases]](removed in 0.8)
=Forum Posts=
==2014 ...==
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=52414 New free engine - Orion] by [[Graham Banks]], [[CCC]], May 24, 2014
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=59736 New Orion release : v0.3 !] by [[David Carteau]], [[CCC]], April 03, 2016
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=67786 New Orion release : v0.5 !] by [[David Carteau]], [[CCC]], June 21, 2018
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=70887 New Orion release : v0.6 !] by [[David Carteau]], [[CCC]], June 01, 2019
==2020 ...==
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=74365 Orion 0.7 release] by [[David Carteau]], [[CCC]], July 04, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=74828 Orion 0.7 : NNUE experiment] by [[David Carteau]], [[CCC]], August 19, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=75870&start=19 Re: You've trained a brilliant NN(UE) King-Piece Network. Now what?] by [[David Carteau]], [[CCC]], November 19, 2020 ยป [[NNUE]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75953 Orion 0.8 + The Cerebrum release] by [[David Carteau]], [[CCC]], December 01, 2020
=External Links=
==Chess Engine==
* [https://orionchess.pagesperso-orange.fr/ Orion UCI chess engine]
* [https://github.com/david-carteau/cerebrum GitHub - david-carteau/cerebrum: The Cerebrum library]
* [https://de.wikipedia.org/wiki/Orion_(Schachprogramm) Orion (Schachprogramm) โ€“ Wikipedia.de] (German)
* [http://computerchess.org.uk/ccrl/404/cgi/compare_engines.cgi?family=Orion&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 Orion] in [[CCRL|CCRL Blitz]]
==Misc==

Navigation menu