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gnu: Add neural networks from the Maia Chess project.

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* gnu/packages/lc0.scm (make-lc0-maia): New procedure.
* gnu/packages/lc0.scm (lc0-maia-1100, lc0-maia-1200, lc0-maia-1300)
(lc0-maia-1400, lc0-maia-1500, lc0-maia-1600, lc0-maia-1700)
(lc0-maia-1800, lc0-maia-1900): New variables.

Change-Id: I70d032703efbd644ef8f7cfa70de6f5e2511603c
Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>
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zamfofex 2025-02-23 10:37:48 +01:00 • committed by Nicolas Goaziou
parent 9a0e97c494
commit 20c9eb4b7d
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gnu/packages/lc0.scm
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@ -18,6 +18,7 @@
(define-module (gnu packages lc0)
#:use-module (guix build utils)
#:use-module (guix build-system copy)
#:use-module (guix build-system meson)
#:use-module (guix build-system trivial)
#:use-module (guix download)
@ -157,3 +158,59 @@ was finished being trained in April of 2022."))
"09gm8lgaick60rn4x9h9w5sxdqivr4ign73viviadw1gj7wsbnsg"
"This is an official neural network of a ``main run'' of the Leela Chess
Zero project. The network was finished being trained in September of 2023."))
(define (make-lc0-maia rating)
(package
(name (string-append "lc0-maia-" rating))
(version "1.0")
(source (origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/CSSLab/maia-chess")
(commit (string-append "v" version))))
(file-name (git-file-name "maia" version))
(sha256
(base32
"0qjkp56pb5vvkr3j1vdsdzligvy7faza917z7vdfmf168pkvrxsr"))))
(build-system copy-build-system)
(arguments
(list
#:install-plan
#~(list
`(,(string-append "model_files/" #$rating
"/final_" #$rating "-40.pb.gz")
,(string-append "share/lc0/maia-" #$rating ".pb.gz")))))
(synopsis "Human-like neural network for Leela Chess Zero")
(description
"Maia’s goal is to play the human move, not necessarily the best move.
As a result, Maia has a more human-like style than previous engines, matching
moves played by human players in online games over 50% of the time.")
(home-page "https://maiachess.com")
(license license:gpl3)))
(define-public lc0-maia-1100
(make-lc0-maia "1100"))
(define-public lc0-maia-1200
(make-lc0-maia "1200"))
(define-public lc0-maia-1300
(make-lc0-maia "1300"))
(define-public lc0-maia-1400
(make-lc0-maia "1400"))
(define-public lc0-maia-1500
(make-lc0-maia "1500"))
(define-public lc0-maia-1600
(make-lc0-maia "1600"))
(define-public lc0-maia-1700
(make-lc0-maia "1700"))
(define-public lc0-maia-1800
(make-lc0-maia "1800"))
(define-public lc0-maia-1900
(make-lc0-maia "1900"))