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| Name: stockfish | Distribution: openSUSE Tumbleweed |
| Version: 16.1 | Vendor: openSUSE |
| Release: 1.2 | Build date: Mon Feb 26 13:09:26 2024 |
| Group: Unspecified | Build host: reproducible |
| Size: 69443652 | Source RPM: stockfish-16.1-1.2.src.rpm |
| Packager: https://bugs.opensuse.org | |
| Url: https://stockfishchess.org | |
| Summary: Chess engine | |
Stockfish is a UCI chess engine derived from Glaurung 2.1. It is not a complete chess program, but requires some UCI compatible GUI (like XBoard with PolyGlot, eboard, Arena, Sigma Chess, Shredder, Chess Partner or Fritz) in order to be used comfortably. Read the documentation for your GUI of choice for information about how to use Stockfish with your GUI.
GPL-3.0-or-later
* Mon Feb 26 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 06 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 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 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 09 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 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
* Fri Oct 09 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 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 2018 Jan Engelhardt <jengelh@inai.de>
- Trim redundant wording.
* Fri Nov 30 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.
/usr/bin/stockfish /usr/share/doc/packages/stockfish /usr/share/doc/packages/stockfish/AUTHORS /usr/share/doc/packages/stockfish/README.md /usr/share/doc/packages/stockfish/stockfish-interface.txt /usr/share/licenses/stockfish /usr/share/licenses/stockfish/Copying.txt /usr/share/man/man6/stockfish.6.gz
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