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File stockfish.changes of Package stockfish
------------------------------------------------------------------- Mon Sep 9 06:09:08 UTC 2024 - Michael Vetter <mvetter@suse.com> - Update to 17: * Improved engine lines This release introduces principal variations (PVs) that are more informative for mate and decisive table base (TB) scores. In both cases, the PV will contain all moves up to checkmate. For mate scores, the PV shown is the best variation known to the engine at that point, while for table base wins, it follows, based on the TB, a sequence of moves that preserves the game outcome to checkmate. * NUMA performance optimization For high-end computers with multiple CPUs (typically a dual-socket architecture with 100+ cores), this release automatically improves performance with a NumaPolicy setting that optimizes non-uniform memory access (NUMA). Although typical consumer hardware will not benefit, speedups of up to 2.8x have been measured. - Update date.pach, stockfish-remove-net.patch ------------------------------------------------------------------- Mon Feb 26 12:09:26 UTC 2024 - Michael Vetter <mvetter@suse.com> - Update to 16.1: * In our testing against its predecessor, Stockfish 16.1 shows a notable improvement in performance, with an Elo gain of up to 27 points and winning over 2 times more game pairs than it loses. * Updated neural network architecture: The neural network architecture has undergone two updates and is currently in its 8th version. * Removal of handcrafted evaluation (HCE): This release marks the removal of the traditional handcrafted evaluation and the transition to a fully neural network-based approach. * Dual NNUE: For the first time, Stockfish includes a secondary neural network, used to quickly evaluate positions that are easily decided. * Use NNUE and UCI_AnalyseMode have been removed as they no longer had any effect. SlowMover has also been removed in favor of Move Overhead. - Use %autosetup macro. Allows to eliminate the usage of deprecated PatchN. ------------------------------------------------------------------- Tue Dec 6 15:15:03 UTC 2022 - Michael Vetter <mvetter@suse.com> - Update to 15.1: * Elo gain and competition results: With this release, version 5 of the NNUE neural net architecture has been introduced, and the training data has been extended to include Fischer random chess (FRC) positions. As a result, Elo gains are largest for FRC, reaching up to 50 Elo for doubly randomized FRC (DFRC). More importantly, also for standard chess this release progressed and will win two times more game pairs than it loses against Stockfish 15. * New evaluation: This release also introduces a new convention for the evaluation that is reported by search. An evaluation of +1 is now no longer tied to the value of one pawn, but to the likelihood of winning the game. With a +1 evaluation, Stockfish has now a 50% chance of winning the game against an equally strong opponent. This convention scales down evaluations a bit compared to Stockfish 15 and allows for consistent evaluations in the future. - Refresh: * date.patch * stockfish-remove-net.patch - Remove nn-6877cd24400e.nnue - Add nn-ad9b42354671.nnue - Keep man page and stockfish-interface.txt but remove URL from Source. Because not available anymore. ------------------------------------------------------------------- Wed Apr 20 19:17:58 UTC 2022 - Michael Vetter <mvetter@suse.com> - Update to 15: Stockfish 15 continues to push the boundaries of chess, providing unrivalled analysis and playing strength. In our testing, Stockfish 15 is ahead of Stockfish 14 by 36 Elo points and wins nine times more game pairs than it loses. - Add stockfish-remove-net.patch: Don't try to donwload nnue we already have it. ------------------------------------------------------------------- Sun Mar 27 18:37:33 UTC 2022 - Dirk Müller <dmueller@suse.com> - update to 14.1: Compared to Stockfish 14, this release introduces a more advanced NNUE architecture and various search improvements. In self play testing, using a book of balanced openings, Stockfish 14.1 wins three times more game pairs than it loses. At this high level, draws are very common, so the Elo difference to Stockfish 14 is about 17 Elo ------------------------------------------------------------------- Fri Jul 9 08:34:14 UTC 2021 - Stephan Kulow <coolo@suse.com> - Update to version 14: The engine is now significantly stronger than just a few months ago, and wins four times more game pairs than it loses against the previous release version. Stockfish 14 is now at least 400 Elo ahead of Stockfish 7, a top engine in 2016. During the last five years, Stockfish has thus gained about 80 Elo per year. - Refresh date.patch ------------------------------------------------------------------- Thu Apr 29 09:44:29 UTC 2021 - Ferdinand Thiessen <rpm@fthiessen.de> - Update to version 13: * Significantly stronger than any of its predecessors: Stockfish 13 outperforms Stockfish 12 by at least 35 Elo * When playing against a one-year-old Stockfish, it wins 60 times more game pairs than it loses * An NNUE network retrained on billions of positions * Much faster network evaluation code * Significantly improved search heuristics * Additional evaluation tweaks - Drop update-nnue.patch in favor of the release one - Use SourceUrl for nnue ------------------------------------------------------------------- Sat Oct 10 00:00:00 CEST 2020 - dsterba@suse.cz - Update to version 12: * 130 Elo stronger than version 11 * powered by NNUE (nn-baeb9ef2d183.nnue) * More at https://github.com/official-stockfish/Stockfish/commit/c306d838697011da0a960758dde3f7ede6849060 * Added patch: update-nnue.patch ------------------------------------------------------------------- Mon Jan 20 08:12:08 UTC 2020 - Michael Vetter <mvetter@suse.com> - Update to version 11: * 50 Elo stronger than the last version * For detail see: https://github.com/official-stockfish/Stockfish/commit/c3483fa9a7d7c0ffa9fcc32b467ca844cfb63790 ------------------------------------------------------------------- Tue Dec 11 14:04:17 UTC 2018 - Jan Engelhardt <jengelh@inai.de> - Trim redundant wording. ------------------------------------------------------------------- Fri Nov 30 09:46:12 UTC 2018 - mvetter@suse.com - Update to version 10 * Upstream does not provide a change log. Please see the git history at https://github.com/official-stockfish/Stockfish/ for more details. ------------------------------------------------------------------- Mon Jul 16 14:24:48 UTC 2018 - msuchanek@suse.com - gcc-c++-32bit is needed to build 32bit code (boo#1101338). ------------------------------------------------------------------- Mon Feb 5 12:23:05 UTC 2018 - mvetter@suse.com - Update to version 9 * Simplify away redundant SEE pruning condition * Limit the king distance factor when evaluating passed pawns * Simplify verification search * Many other improvements ------------------------------------------------------------------- Sun Nov 20 14:52:27 UTC 2016 - rpm@fthiessen.de - Fixed architecture detection in spec file. ------------------------------------------------------------------- Fri Nov 4 15:56:52 UTC 2016 - mvetter@suse.com - Update to version 8 ------------------------------------------------------------------- Mon Jun 13 10:20:17 UTC 2016 - psimons@suse.com - Install license file as part of the documentation. ------------------------------------------------------------------- Fri Jun 3 08:22:46 UTC 2016 - psimons@suse.com - Drop Stockfish-CMakeLists.txt and stockfish-polyglot.ini. These files aren't necessary for building (or running) Stockfish. ------------------------------------------------------------------- Thu Apr 28 09:39:23 UTC 2016 - mvetter@suse.com - Update to version 7 - Added date.patch: Get rid of __DATE__ ------------------------------------------------------------------- Tue Sep 1 16:40:38 UTC 2015 - mvetter@suse.com - Initial package for version 6
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