Michael Vetter
89b5f7a646
* 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
OBS-URL: https://build.opensuse.org/package/show/games/stockfish?expand=0&rev=29
93 lines
2.8 KiB
RPMSpec
93 lines
2.8 KiB
RPMSpec
#
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# spec file for package stockfish
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#
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# Copyright (c) 2022 SUSE LLC
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#
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# All modifications and additions to the file contributed by third parties
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# remain the property of their copyright owners, unless otherwise agreed
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# upon. The license for this file, and modifications and additions to the
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# file, is the same license as for the pristine package itself (unless the
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# license for the pristine package is not an Open Source License, in which
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# case the license is the MIT License). An "Open Source License" is a
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# license that conforms to the Open Source Definition (Version 1.9)
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# published by the Open Source Initiative.
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# Please submit bugfixes or comments via https://bugs.opensuse.org/
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#
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# See evaluate.h > EvalFileDefaultName
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%define nnuenet nn-ad9b42354671.nnue
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Name: stockfish
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Version: 15.1
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Release: 0
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Summary: Chess engine
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License: GPL-3.0-or-later
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URL: https://stockfishchess.org
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Source0: https://github.com/official-stockfish/Stockfish/archive/sf_%{version}.tar.gz#/Stockfish-sf_%{version}.tar.gz
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Source1: https://tests.stockfishchess.org/api/nn/%{nnuenet}
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# steal some documentation from ubuntu
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Source10: %{name}-interface.txt
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Source11: %{name}.6-20091204230329-yljoyxocuxhxg1ot-76/%{name}.6
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# If 'Version' is not set it will display the date as version number. We dont want __DATE__ and Version is set anyways.
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Patch0: date.patch
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# Don't try to download file. We already have it.
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Patch1: stockfish-remove-net.patch
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BuildRequires: dos2unix
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BuildRequires: gcc-c++
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BuildRequires: xz
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Recommends: xboard
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Provides: chess_backend
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ExclusiveArch: %{power64} %{ix86} x86_64 armv7l armv7hl armv7hnl
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%ifarch %{power64}
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BuildRequires: gcc-c++-32bit
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%endif
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%description
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Stockfish is a UCI chess engine derived from Glaurung 2.1. It is not a
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complete chess program, but requires some UCI compatible GUI (like XBoard with
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PolyGlot, eboard, Arena, Sigma Chess, Shredder, Chess Partner or Fritz) in
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order to be used comfortably. Read the documentation for your GUI of choice for
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information about how to use Stockfish with your GUI.
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%prep
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%setup -q -n Stockfish-sf_%{version}
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%patch0 -p1
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%patch1 -p1
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cp %{SOURCE1} src/
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cp -p %{SOURCE10} %{SOURCE11} .
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dos2unix %{name}-interface.txt
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dos2unix Copying.txt
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%build
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cd src
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%ifarch x86_64
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make %{?_smp_mflags} build ARCH=x86-64
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%else
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%ifarch %{power_64}
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make %{?_smp_mflags} build ARCH=ppc-64
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%else
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%ifarch armv7l armv7hl armv7hnl
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make %{?_smp_mflags} build ARCH=armv7
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%else
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#ix86
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make %{?_smp_mflags} build ARCH=general-32
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%endif
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%endif
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%endif
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%install
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mkdir -p %{buildroot}%{_bindir}
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install -m 755 -p src/%{name} %{buildroot}%{_bindir}
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mkdir -p %{buildroot}%{_mandir}/man6
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cp -p %{name}.6 %{buildroot}%{_mandir}/man6
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%files
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%license Copying.txt
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%doc AUTHORS %{name}-interface.txt README.md
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%{_mandir}/man*/%{name}.*
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%{_bindir}/%{name}
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%changelog
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