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Koivisto

37 bytes added, 09:31, 8 July 2021
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The [[Bitboards|bitboard]] engine provides [[Automated Tuning|automated evaluation tuning]] by [[Automated Tuning#LogisticRegression|logistic regression]],
either using [https://en.wikipedia.org/wiki/Stochastic_gradient_descent stochastic gradient descent] or [https://en.wikipedia.org/wiki/Stochastic_gradient_descent#AdaGrad AdaGrad].
However, Koivisto '''5.0''' in July 2021 replaced the current [[Neural Networks#Perceptron|perceptron]] approach of the [[Evaluation|a real-men-evaluation]] may soon be replaced (RME) by an own [[NNUE]] <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75001&start=4 Re: Koivisto] by [[Finn Eggers]], [[CCC]], September 04, 2020</ref> <ref>[httpshttp://githubwww.talkchess.com/Luecxforum3/viewtopic.php?f=2&t=77664 Koivisto/commits/master/src_files/nn History for src_files/nn - Luecx/Koivisto · GitHub5.0] by [[Finn Eggers]], [[CCC]], July 07, 2021</ref>.
=Features=
** [[Quiescence Search]]
==[[Evaluation]]==
* [[NNUE]] (5.0)
* [[Tapered Eval]]
* [[Piece-Square Tables]] of [[Float|floats]]
[[Category:GPL]]
[[Category:UCI]]
[[Category:NNUE]]
[[Category:Linux]]
[[Category:Windows]]
Retrieved from "https://www.chessprogramming.org/Special:MobileDiff/25518"

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