{"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\/da\/blog\/news\/proekt-stockfish-podal-isk-protiv-kompanii-chessbase-i-otozval-liczenziyu-gpl","title":{"rendered":"Stockfish-projektet har anlagt sag mod ChessBase og tilbagekaldt GPL-licensen","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Projektet Stockfish, som distribueres under GPLv3-licensen, har sags\u00f8gt ChessBase og tilbagekaldt deres GPL-licens til at anvende deres kode. Stockfish er den st\u00e6rkeste af de skakmotorer, der anvendes p\u00e5 skakwebsteder som lichess.org og chess.com. Sagen er anlagt p\u00e5 grund af inkluderingen af Stockfish-koden i et propriet\u00e6rt produkt uden offentligg\u00f8relse af kildekoderne for det afledte arbejde.    <\/p>\n<p>ChessBase har v\u00e6ret kendt for deres skakprogram Fritz siden 1990'erne. I 2019 lancerede de motoren Fat Fritz, baseret p\u00e5 den \u00e5bne kilde-motor Leela Chess Zero, som oprindeligt var baseret p\u00e5 arbejdet fra AlphaZero-projektet, der er \u00e5bnet af Google. Dette udgjorde ikke en overtr\u00e6delse af nogen lovgivning, selvom udviklerne af Leela var utilfredse med, at ChessBase pr\u00e6senterede Fat Fritz som en selvst\u00e6ndig udvikling uden at anerkende fortjenesterne fra AlphaZero- og LeelaZero-holdene.     <\/p>\n<p>I 2020 udgav ChessBase produktet Fat Fritz 2.0, som er baseret p\u00e5 motoren Stockfish 12, der har sin egen NNUE-arkitektur (Efficiently Updatable Neural Networks). Stockfish-teamet fik ved hj\u00e6lp af advokater gennemf\u00f8rt et tilbagetr\u00e6kning fra DVD-handelsnettene i Tyskland af programmet Fat Fritz 2.0, men, utilfreds med resultatet, erkl\u00e6rede de, at de ville tilbagekalde GPL-licensen for Stockfish fra ChessBase og indgav en retssag.    <\/p>\n<p>Dette er ikke den f\u00f8rste s\u00e6son med drama omkring koden til Stockfish, som kommercielle motorer l\u00e5ner uden hensyn til GPL. For eksempel opstod der tidligere en situation med l\u00e6kagen af kildeteksterne til den propriet\u00e6re motor Houdini 6, hvor det blev klart, at den er baseret p\u00e5 koden til Stockfish. Houdini 5 deltog i TCEC-turneringen og n\u00e5ede superfinalen i den niende s\u00e6son, men tabte til Stockfish. I 2017 vandt den n\u00e6ste version, Houdini 6, superfinalen i TCEC's tiende s\u00e6son mod Komodo. De kildetekster, der blev l\u00e6kket i 2020, afsl\u00f8rede denne skammelige svindel, der kr\u00e6nker et af grundprincipperne for FOSS - GPL.    <\/p>\n<p>Vi minder om, at GPL-licensen giver mulighed for at inddrage licensen fra en overtr\u00e6der og oph\u00f8re for alle rettigheder, der er givet til licenshaverne under denne licens. I henhold til de regler, der er vedtaget i GPLv3 ang\u00e5ende opsigelse af licensen, hvis overtr\u00e6delserne f\u00f8rst er opdaget og rettet indenfor 30 dage fra meddelelsen, genoprettes rettighederne til licensen, og licensen annulleres ikke fuldst\u00e6ndigt (aftalen forbliver intakt). Rettighederne genoprettes ogs\u00e5 straks, hvis overtr\u00e6delserne rettes, s\u00e5fremt rettighedshaveren ikke har informeret om overtr\u00e6delsen inden for 60 dage. Hvis fristerne er udl\u00f8bet, kan overtr\u00e6delsen af licensen betragtes som en overtr\u00e6delse af aftalen, hvorefter der kan opn\u00e5s \u00f8konomiske krav ved retten.<br \/>\n<br \/>Kilde: <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 5.0.3 - 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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