{"id":100802,"date":"2021-07-20T22:22:46","date_gmt":"2021-07-20T20:22:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/proekt-stockfish-podal-isk-protiv-kompanii-chessbase-i-otozval-liczenziyu-gpl"},"modified":"2021-07-20T22:22:46","modified_gmt":"2021-07-20T20:22:46","slug":"proekt-stockfish-podal-isk-protiv-kompanii-chessbase-i-otozval-liczenziyu-gpl","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/proekt-stockfish-podal-isk-protiv-kompanii-chessbase-i-otozval-liczenziyu-gpl","title":{"rendered":"Le projet Stockfish a intent\u00e9 une action en justice contre la soci\u00e9t\u00e9 ChessBase et a r\u00e9voqu\u00e9 la licence GPL","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Le projet Stockfish, distribu\u00e9 sous la licence GPLv3, a poursuivi en justice la soci\u00e9t\u00e9 ChessBase, lui retirant la licence GPL d'utilisation de son code. Stockfish est le moteur d'\u00e9checs le plus puissant, utilis\u00e9 sur les services d'\u00e9checs lichess.org et chess.com. L'action en justice a \u00e9t\u00e9 intent\u00e9e en raison de l'inclusion du code de Stockfish dans un produit propri\u00e9taire sans ouvrir les codes sources de l'\u0153uvre d\u00e9riv\u00e9e.    <\/p>\n<p>La soci\u00e9t\u00e9 ChessBase est connue pour son programme d'\u00e9checs Fritz depuis les ann\u00e9es 1990. En 2019, elle a lanc\u00e9 le moteur Fat Fritz, bas\u00e9 sur le r\u00e9seau de neurones du moteur open-source Leela Chess Zero, qui \u00e0 l'\u00e9poque s'appuyait sur les travaux du projet AlphaZero, d\u00e9velopp\u00e9 par Google. Cela ne constituait pas une violation de la l\u00e9gislation, bien que les d\u00e9veloppeurs de Leela aient \u00e9t\u00e9 m\u00e9contents que ChessBase positionne Fat Fritz comme un d\u00e9veloppement autonome, sans reconna\u00eetre les contributions des \u00e9quipes AlphaZero et LeelaZero.     <\/p>\n<p>En 2020, la soci\u00e9t\u00e9 ChessBase a lanc\u00e9 le produit Fat Fritz 2.0, bas\u00e9 sur le moteur Stockfish 12, qui poss\u00e8de sa propre architecture de r\u00e9seau neuronal NNUE (&#398;U\u0418\u0418, Efficiently Updatable Neural Networks). L'\u00e9quipe de Stockfish, avec l'aide d'avocats, a r\u00e9ussi \u00e0 obtenir le retrait des r\u00e9seaux de distribution DVD du programme Fat Fritz 2.0 en Allemagne, mais, insatisfaite du r\u00e9sultat, a d\u00e9clar\u00e9 r\u00e9voquer la licence GPL de Stockfish avec ChessBase et a port\u00e9 l'affaire devant les tribunaux.    <\/p>\n<p>Ce n'est pas la premi\u00e8re saison de drame autour du code Stockfish, que des moteurs commerciaux empruntent en ignorant la GPL. Par exemple, il y a eu pr\u00e9c\u00e9demment un incident avec la fuite des codes sources du moteur propri\u00e9taire Houdini 6, qui a prouv\u00e9 qu'il \u00e9tait bas\u00e9 sur le code de Stockfish. Houdini 5 a particip\u00e9 \u00e0 la comp\u00e9tition TCEC et a atteint le superfinale de la neuvi\u00e8me saison, mais a finalement perdu contre Stockfish. En 2017, la version suivante, Houdini 6, a r\u00e9ussi \u00e0 battre Komodo lors du superfinale de la dixi\u00e8me saison de TCEC. Les codes sources r\u00e9v\u00e9l\u00e9s en 2020 ont expos\u00e9 cette tromperie honteuse, pi\u00e9tinant l'un des piliers de FOSS \u2014 la GPL.    <\/p>\n<p>Rappelons que la licence GPL pr\u00e9voit la possibilit\u00e9 de r\u00e9voquer la licence d'un contrevenant et de mettre fin \u00e0 tous les droits du licenci\u00e9 accord\u00e9s par cette licence. Conform\u00e9ment aux r\u00e8gles de r\u00e9siliation de la GPLv3, si les violations sont constat\u00e9es pour la premi\u00e8re fois et corrig\u00e9es dans les 30 jours suivant la notification, les droits sur la licence sont restaur\u00e9s et la licence n'est pas compl\u00e8tement r\u00e9voqu\u00e9e (le contrat reste intact). Les droits sont \u00e9galement r\u00e9tablis imm\u00e9diatement si les violations sont corrig\u00e9es et que le titulaire des droits n'a pas notifi\u00e9 la violation dans les 60 jours. Si ces d\u00e9lais sont d\u00e9pass\u00e9s, la violation de la licence peut \u00eatre interpr\u00e9t\u00e9e comme une violation du contrat, pour laquelle des sanctions financi\u00e8res peuvent \u00eatre obtenues devant le tribunal.<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55523\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u043e\u0435\u043a\u0442 Stockfish, \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u043c\u044b\u0439 \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv3, \u043f\u043e\u0434\u0430\u043b \u0432 \u0441\u0443\u0434 \u043d\u0430 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044e ChessBase, \u043e\u0442\u043e\u0437\u0432\u0430\u0432 \u0443 \u0442\u043e\u0439 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u044e GPL \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430. Stockfish \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0441\u0438\u043b\u044c\u043d\u0435\u0439\u0448\u0438\u0439 \u0438\u0437 \u0448\u0430\u0445\u043c\u0430\u0442\u043d\u044b\u0445 \u0434\u0432\u0438\u0436\u043a\u043e\u0432, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0445\u0441\u044f \u043d\u0430 \u0448\u0430\u0445\u043c\u0430\u0442\u043d\u044b\u0445 \u0441\u0435\u0440\u0432\u0438\u0441\u0430\u0445 lichess.org \u0438 chess.com. \u0418\u0441\u043a \u043f\u043e\u0434\u0430\u043d \u0432 \u0441\u0432\u044f\u0437\u0438 \u0441 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435\u043c \u043a\u043e\u0434\u0430 Stockfish \u0432 \u043f\u0440\u043e\u043f\u0440\u0438\u0435\u0442\u0430\u0440\u043d\u044b\u0439 \u043f\u0440\u043e\u0434\u0443\u043a\u0442 \u0431\u0435\u0437 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u044f \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0445 \u0442\u0435\u043a\u0441\u0442\u043e\u0432 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u044b. \u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f ChessBase, \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-100802","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u043e\u0435\u043a\u0442 Stockfish, \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u043c\u044b\u0439 \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv3, \u043f\u043e\u0434\u0430\u043b \u0432 \u0441\u0443\u0434 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