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'''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 has designed and 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=75953 Orion 0.8 + The Cerebrum release] by [[David Carteau]], [[CCC]], December 01, 2020</ref>.
=Features=
* [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) – 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==
