| Readme: | Short: Stockfish 17 port
Author: https://github.com/official-stockfish/Stockfish
Port: papiosaur2@hotmail.fr (Yannick Buchy)
Type: game/chess
Version: 17
Architecture: ppc-morphos
Stockfish 17 from https://github.com/official-stockfish/Stockfish
Source files and Makefile are included.
If you like my ports, don't hesitate to support me.
Thanks a lot to:
- MorphOS Team for MorphOS
- Domenico Lattanzi for his tests
The executable is big because it contains Neural Network Universal
Evaluator (NNUE).
You can find Sygyzy tables to this link: https://syzygy-tables.com
You can choose 3, 4, 5 pieces to start.
Becarefull tables with 6 pieces and more are very big (150Gb for 6 pieces and
18TB for 7 pieces).
To test Syzygy tables (2 are installed in Syzygy drawer) write this after launch
Stockfish-17:
- uci
- setoption name SyzygyPath value path:drawer/
the '/' is necessary at the end of drawer name to have a valid path.
Normally, should work with 3D-Chess but not tested for the moment.
If you have any problems, don't hesitate to contacte me.
Papiosaur
Overview:
Stockfish is a free and strong UCI chess engine derived from Glaurung 2.1 that
analyzes chess positions and computes the optimal moves.
Stockfish does not include a graphical user interface (GUI) that is required
to display a chessboard and to make it easy to input moves. These GUIs are
developed independently from Stockfish and are available online. Read the
documentation for your GUI of choice for information about how to use
Stockfish with it.
See also the Stockfish documentation for further usage help.
Files:
This distribution of Stockfish consists of the following files:
README.md, the file you are currently reading.
Copying.txt, a text file containing the GNU General Public License version 3.
AUTHORS, a text file with the list of authors for the project.
src, a subdirectory containing the full source code, including a Makefile
that can be used to compile Stockfish on MorphOS systems.
a file with the .nnue extension, storing the neural network for the NNUE
evaluation. Binary distributions will have this file embedded.
Contributing:
See Contributing Guide.
Donating hardware
Improving Stockfish requires a massive amount of testing. You can donate your
hardware resources by installing the Fishtest Worker and viewing the current
tests on Fishtest.
Improving the code
In the chessprogramming wiki, many techniques used in Stockfish are explained
with a lot of background information. The section on Stockfish describes many
features and techniques used by Stockfish. However, it is generic rather than
focused on Stockfish's precise implementation.
The engine testing is done on Fishtest. If you want to help improve Stockfish,
please read this guideline first, where the basics of Stockfish development
are explained.
Discussions about Stockfish take place these days mainly in the Stockfish
Discord server. This is also the best place to ask questions about the codebase
and how to improve it.
Compiling Stockfish:
Stockfish has support for 32 or 64-bit CPUs, certain hardware instructions,
big-endian machines such as Power PC, and other platforms.
On MorphOS systems, it should be easy to compile Stockfish directly from
the source code with the included Makefile in the folder src. In general,
it is recommended to run make help to see a list of make targets with
corresponding descriptions.
cd src
make build
Detailed compilation instructions for all platforms can be found in our
documentation. Our wiki also has information about the UCI commands supported
by Stockfish.
Terms of use:
Stockfish is free and distributed under the GNU General Public License version 3
(GPL v3). Essentially, this means you are free to do almost exactly what you
want with the program, including distributing it among your friends, making it
available for download from your website, selling it (either by itself or as
part of some bigger software package), or using it as the starting point for a
software project of your own.
The only real limitation is that whenever you distribute Stockfish in some way,
you MUST always include the license and the full source code (or a pointer to
where the source code can be found) to generate the exact binary you are
distributing. If you make any changes to the source code, these changes must
also be made available under GPL v3.
Acknowledgements:
Stockfish uses neural networks trained on data provided by the Leela Chess
Zero project, which is made available under the Open Database License (ODbL).
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Stockfish-17.lha