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=Fire 7.1=
Fire '''7.1''' from May 27, 2018 <ref>[http://www.talkchess.com/forum3/viewtopic.php?t=67579 Fire 7.1] by [[Norman Schmidt]], [[CCC]], May 27, 2018</ref>, will be was announced as the '''last''' public release of Fire <ref>[https://web.archive.org/web/20200913090350/https://chesslogik.wixsite.com/fire/about ABOUT | fire]([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine], September 13, 2020)</ref>. Its private successor, Fire '''8_beta''' won the [[TCEC Season 19#First|League 1]] of [[TCEC Season 19]] in summer 2020, and qualified for the top eight in the [[TCEC Season 19#Premier|Premier Division]].
On September 18, 2020, [[Ethereal]] author [[Andrew Grant]] published a ''Fire 7.1'' [[Free Software Foundation#GPL|GPLv3]] Source Request in [[CCC]], since he believes that some or all of Fire is likely to fall under the GPLv3, as it is inherited from [[Stockfish|Stockfish's]] GPLv3 license <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75150 Fire 7.1 GPLv3 Source Request] by [[Andrew Grant]], [[CCC]], September 18, 2020</ref>.
=Fire 8=
Fire '''8''' with smaller and highly tuned evaluation was released on Februray 23, 2021 <ref>[https://chesslogik.wixsite.com/fire/history History | fire]</ref>.
The further optimized Fire '''8.1''' was released on April 16, 2021 as [[:Category:Open Source|open source]], licensed under the [[Free Software Foundation#GPL|GNU GPL]] <ref>[https://github.com/FireFather/fire GitHub - FireFather/fire: a very strong, state-of-the-art, highly optimized, open-source freeware UCI chess engine...]</ref>. '''Fire_8.N''', released on May 22, 2021, features [[NNUE]] by utilizing a modified version of [[Daniel Shawul|Daniel Shawul's]] [[Scorpio#ScorpioNNUE|ScorpioNNUE]] probing code along with a [[Reinforcement Learning|reinforcement learning]] net created by [[Sergio Vieri]] <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=76209&start=358 Re: New engine releases & news 2021] by [[Norman Schmidt]], [[CCC]], May 22, 2021</ref>.
=See also=
* [http://www.talkchess.com/forum3/viewtopic.php?f=10&t=76719 Fire 8 GPLv3 Source Request] by [[Andrew Grant]], [[CCC]], February 26, 2021 (Engine Origins)
: [http://www.talkchess.com/forum3/viewtopic.php?f=10&t=76719&start=3 Re: Fire 8 GPLv3 Source Request] by [[Norman Schmidt]], [[CCC]], February 26, 2021
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=76209&start=243 Re: New engine releases & news 2021] by [[Norman Schmidt]], [[CCC]], Aprril April 19, 2021* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=76209&start=358 Re: New engine releases & news 2021] by [[Norman Schmidt]], [[CCC]], May 22, 2021* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=77503&start=55 Re: will Tcec allow Stockfish with a Leela net to play?] by [[Connor McMonigle]], [[CCC]], June 17, 2021 » [[NNUE]]: [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=77503&start=58 Re: will Tcec allow Stockfish with a Leela net to play?] by [[Norman Schmidt]], [[CCC]], June 17, 2021
=External Links=
[[Category:GPL]]
[[Category:UCI]]
[[Category:NNUE]]
[[Category:Windows]]
[[Category:Linux]]
