Difference between revisions of "Dragon by Komodo Chess"

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[[FILE:img_dragon_2x.png|border|right|thumb|link=https://komodochess.com/| Dragon by Komodo Chess <ref>[https://komodochess.com/ Komodo Chess Engine]</ref> ]]  
 
[[FILE:img_dragon_2x.png|border|right|thumb|link=https://komodochess.com/| Dragon by Komodo Chess <ref>[https://komodochess.com/ Komodo Chess Engine]</ref> ]]  
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[[File:Img dragon 3x.png.png|border|right|thumb|Logo at TCEC]]
  
'''Dragon by Komodo Chess''',<br/>
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'''Dragon by Komodo Chess''', (KomodoDragon, Komodo Dragon)<br/>
 
a version of Komodo which combines an [[NNUE]] based [[Evaluation|evaluation]] with Komodo's [[Search|search]],  
 
a version of Komodo which combines an [[NNUE]] based [[Evaluation|evaluation]] with Komodo's [[Search|search]],  
 
either classical [[Alpha-Beta|alpha-beta]] as well as [[Monte-Carlo Tree Search|MCTS]].  
 
either classical [[Alpha-Beta|alpha-beta]] as well as [[Monte-Carlo Tree Search|MCTS]].  
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Dragon is the work of [[Larry Kaufman]] and [[Mark Lefler]], who superseded original Komodo author [[Don Dailey]] after his death on November 22, 2013,  
 
Dragon is the work of [[Larry Kaufman]] and [[Mark Lefler]], who superseded original Komodo author [[Don Dailey]] after his death on November 22, 2013,  
 
further supported by [[Dmitry Pervov]] and [[Dietrich Kappe]] concerning the NNUE inference code and training data. The [[Neural Networks|neural network]] was trained [[Supervised Learning|supervised]] by chess [https://en.wikipedia.org/wiki/International_Grandmaster Grandmaster] Larry Kaufman, along with [[Reinforcement Learning|reinforcement learning]] considering billions of positions and evaluations from Komodo games.  
 
further supported by [[Dmitry Pervov]] and [[Dietrich Kappe]] concerning the NNUE inference code and training data. The [[Neural Networks|neural network]] was trained [[Supervised Learning|supervised]] by chess [https://en.wikipedia.org/wiki/International_Grandmaster Grandmaster] Larry Kaufman, along with [[Reinforcement Learning|reinforcement learning]] considering billions of positions and evaluations from Komodo games.  
[https://en.wikipedia.org/wiki/Chess.com Chess.com] supported  the project financially <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75748 Dragon by Komodo Chess] by [[Larry Kaufman]], [[CCC]], November 10, 2020</ref>.
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[[Chess.com]] supported  the project financially <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75748 Dragon by Komodo Chess] by [[Larry Kaufman]], [[CCC]], November 10, 2020</ref>.
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=Tournament Play=
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Dragon by Komodo Chess, at [[TCEC]] called '''KomodoDragon''', played the [[TCEC Season 20#Premier|Premier Division]] of [[TCEC Season 20]], and became strong third behind [[Leela Chess Zero|LCZero]] and [[Stockfish]] in 2020/2021. KomodoDragon became third again at [[TCEC Season 21]], winning the [[TCEC Season 21#Infra|Infrafinal]], and became runner up behind Stockfish at [[TCEC Season 22]] in 2022.
  
 
=Namesake=  
 
=Namesake=  
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=Forum Posts=  
 
=Forum Posts=  
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==2020==
 
* [http://talkchess.com/forum3/viewtopic.php?t=74480 Lizard-NNUE Experiment NOT bad with NNUE Net Evaluation...] by Nancy M Pichardo, [[CCC]], July 15, 2020
 
* [http://talkchess.com/forum3/viewtopic.php?t=74480 Lizard-NNUE Experiment NOT bad with NNUE Net Evaluation...] by Nancy M Pichardo, [[CCC]], July 15, 2020
 
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75651 Komodo 14.1 Release and Dragon Announcement] by [[Larry Kaufman]], [[CCC]], November 02, 2020 » [[NNUE]]
 
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75651 Komodo 14.1 Release and Dragon Announcement] by [[Larry Kaufman]], [[CCC]], November 02, 2020 » [[NNUE]]
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: [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75748&start=64 Re: Dragon by Komodo Chess] by [[Larry Kaufman]], [[CCC]], November 14, 2020
 
: [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75748&start=64 Re: Dragon by Komodo Chess] by [[Larry Kaufman]], [[CCC]], November 14, 2020
 
* [https://groups.google.com/g/fishcooking/c/rlHAwuaHNb0/m/ekC2qH4lAwAJ "Komodo dragon"] by [[Warren D. Smith]], [[Computer Chess Forums|FishCooking]], November 11, 2020
 
* [https://groups.google.com/g/fishcooking/c/rlHAwuaHNb0/m/ekC2qH4lAwAJ "Komodo dragon"] by [[Warren D. Smith]], [[Computer Chess Forums|FishCooking]], November 11, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=72613&start=496 Re: New engine releases 2020] by [[Connor McMonigle]], [[CCC]], November 12, 2020
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* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75890&start=6 Re: Speculations about NNUE development (was New engine releases 2020)] by [[Connor McMonigle]], [[CCC]], November 12, 2020
: [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=72613&start=499 Re: New engine releases 2020] by [[Connor McMonigle]], [[CCC]], November 12, 2020 » [[NNUE]], [[Seer]], [[Halogen]]
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: [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75890&start=9 Re: Speculations about NNUE development (was New engine releases 2020)] by [[Connor McMonigle]], [[CCC]], November 12, 2020 » [[NNUE]], [[Seer]], [[Halogen]]
 
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75846 Dragon versus Nakamura] by [[Larry Kaufman]], [[CCC]], November 17, 2020
 
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75846 Dragon versus Nakamura] by [[Larry Kaufman]], [[CCC]], November 17, 2020
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==2021==
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* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=77244 Komodo Dragon 2 released] by [[Larry Kaufman]], [[CCC]], May 04, 2021
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* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=77464 Komodo Dragon vs IM Andras Toth knight odds match] by [[Larry Kaufman]], [[CCC]], June 11, 2021
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* [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]]
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* [https://www.talkchess.com/forum3/viewtopic.php?f=2&t=78244 Komodo Dragon 2.5 released] by [[Larry Kaufman]], [[CCC]], September 24, 2021
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* [https://www.talkchess.com/forum3/viewtopic.php?f=2&t=78341 Komodo Dragon 2.5.1 released] by [[Larry Kaufman]], [[CCC]], October 05, 2021
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* [https://www.talkchess.com/forum3/viewtopic.php?f=2&t=78467 Komodo Dragon vs. GM Perelshteyn, knight odds match] by [[Larry Kaufman]], [[CCC]], October 21, 2021 <ref>[https://en.wikipedia.org/wiki/Eugene_Perelshteyn Eugene Perelshteyn from Wikipedia]</ref>
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* [https://www.talkchess.com/forum3/viewtopic.php?f=2&t=78942 Komodo Dragon 2.6 released] by [[Larry Kaufman]], [[CCC]], December 20, 2021
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==2022==
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* [https://www.talkchess.com/forum3/viewtopic.php?f=2&t=79087 Komodo Dragon 2.6.1 released] by [[Larry Kaufman]], [[CCC]], January 09, 2022
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* [https://www.talkchess.com/forum3/viewtopic.php?f=2&t=79228 Dragon 2.6.1 Elo levels] by [[Larry Kaufman]], [[CCC]], January 29, 2022
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* [https://www.talkchess.com/forum3/viewtopic.php?f=2&t=79766 Komodo Dragon 3 Released by KomodoChess] by [[Larry Kaufman]], [[CCC]], April 26, 2022
  
 
=External Links=  
 
=External Links=  
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* [https://komodochess.com/ Komodo Chess Engine]
 
* [https://komodochess.com/ Komodo Chess Engine]
 
* [https://komodochess.com/dragon.htm Komodo chess engine - Dragon]
 
* [https://komodochess.com/dragon.htm Komodo chess engine - Dragon]
* [https://www.chess.com/news/view/komodo-releases-powerful-new-dragon-chess-engine Komodo Releases Powerful New 'Dragon' Chess Engine] - [https://en.wikipedia.org/wiki/Chess.com Chess.com], November 11, 2020
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* [https://www.chess.com/news/view/komodo-releases-powerful-new-dragon-chess-engine Komodo Releases Powerful New 'Dragon' Chess Engine] - [[Chess.com]], November 11, 2020
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* [https://en.chessbase.com/post/komodo-dragon-2-is-here Komodo Dragon 2 is here!], [[ChessBase|ChessBase News]], May 19, 2021
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* [https://en.chessbase.com/post/larry-kaufman-interview-the-dragon-s-tale Larry Kaufman Interview - The Dragon's tale] by [https://www.udemy.com/user/arne-kaehler/ Arne Kaehler], [[ChessBase|ChessBase News]], June 22, 2021 » [[Larry Kaufman]]
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==Misc==  
 
==Misc==  
 
* [https://en.wikipedia.org/wiki/Komodo_dragon Komodo dragon from Wikipedia]
 
* [https://en.wikipedia.org/wiki/Komodo_dragon Komodo dragon from Wikipedia]

Revision as of 17:05, 28 April 2022

Home * Engines * Komodo * Dragon

Dragon by Komodo Chess [1]
Logo at TCEC

Dragon by Komodo Chess, (KomodoDragon, Komodo Dragon)
a version of Komodo which combines an NNUE based evaluation with Komodo's search, either classical alpha-beta as well as MCTS. Dragon was announced on November 02, 2020, and released as Dragon by Komodo Chess on November 10, 2020. Strength improvements for both search modes were given in the 150 (4 threads) to 190 (one thread) Elo range [2].

Dragon is the work of Larry Kaufman and Mark Lefler, who superseded original Komodo author Don Dailey after his death on November 22, 2013, further supported by Dmitry Pervov and Dietrich Kappe concerning the NNUE inference code and training data. The neural network was trained supervised by chess Grandmaster Larry Kaufman, along with reinforcement learning considering billions of positions and evaluations from Komodo games. Chess.com supported the project financially [3].

Tournament Play

Dragon by Komodo Chess, at TCEC called KomodoDragon, played the Premier Division of TCEC Season 20, and became strong third behind LCZero and Stockfish in 2020/2021. KomodoDragon became third again at TCEC Season 21, winning the Infrafinal, and became runner up behind Stockfish at TCEC Season 22 in 2022.

Namesake

Forum Posts

2020

Re: Dragon by Komodo Chess by Larry Kaufman, CCC, November 14, 2020
Re: Speculations about NNUE development (was New engine releases 2020) by Connor McMonigle, CCC, November 12, 2020 » NNUE, Seer, Halogen

2021

2022

External Links

Chess Engine

Misc

References

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