pkg.soopen package index

brew / rank 8781

Install fairy-stockfish with Homebrew, apt

Strong open source chess variant engine (with largeboards support). Version 14.0.1 via Homebrew; verified from local package data. Also installable with debian: sudo apt install fairy-stockfish.

Install commandSecurity notes

install

Additional install commands

macOS

Homebrewverified · 100%
brew install fairy-stockfish

local Homebrew formula metadata

Linux

Debian aptverified · 92%
sudo apt install fairy-stockfish

Debian stable package indexes · fairy-stockfish · source: deb.debian.org

overview

Package summary

Strong open source chess variant engine (with largeboards support)

Commands and aliases

  • fairy-stockfish

history

Project history and usage

Fairy-Stockfish is a chess-variant engine derived from Stockfish. It keeps the Stockfish search lineage but extends it toward fairy chess, regional chess-like games, large boards, user-defined variants, and multiple engine protocols.

Project history

The official README describes Fairy-Stockfish as a Stockfish-derived engine designed for fairy chess variants and extensibility. Official releases visible through GitHub begin with the UEC11 and 10.x generation in 2019, then continue through Fairy-Stockfish 11 in 2020 and 13/14 releases in 2021.

The project broadened from a chess executable into a variant-engine platform. Its README documents UCI, UCCI, USI, UCI-cyclone, and CECP/XBoard support, user-defined variant configuration, NNUE network support, Python and JavaScript bindings, and WebAssembly ports.

Adoption history

Fairy-Stockfish is adopted mostly by the chess-variant ecosystem rather than ordinary chess users. The README points users to compatible GUIs and online play or analysis through pychess, lishogi, and lichess accounts, and describes `pyffish` being used by the pychess-variants server backend.

How it is used

Users run Fairy-Stockfish as an engine under a compatible GUI, connect it to online variant platforms, or use its bindings and WebAssembly ports for move generation, analysis, and game-rule handling. Its variant list covers regional games such as Xiangqi, Shogi, Janggi, Makruk, and many chess variants, plus user-defined rules.

Why package nerds care

For package maintainers, Fairy-Stockfish is the variant counterpart to the familiar Stockfish package: a command-line engine binary with protocol compatibility, GPL licensing, optional neural-network assets, and a user base that cares about exact builds and engine strength.

Timeline

  • 2019: Official GitHub releases include UEC11 and Fairy-Stockfish 10.x.
  • 2020: Fairy-Stockfish 11, 11.1, and 11.2 released.
  • 2021: Fairy-Stockfish 13, 13.1, 14, and 14.0.1 XQ released.

Related projects

  • Stockfish, pyffish, ffish.js, fairy-stockfish.wasm, pychess-variants, lishogi, lichess

security posture

Risk level: green

narrow executable package without higher-risk signals.

Risk classifier

green risk · low confidence · appliance

Why

  • narrow executable package without higher-risk signals

Signals

  • metadata:no-higher-risk-signals

Install behavior

  • No Homebrew bottle metadata was recorded.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

CommandKindExposureNote
fairy-stockfishexecutableindexed executableDiscovered from the local executable index.

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-08-03
manager version14.0.1
manager updated
local dataunknown
upstreamnot available
latest detectednot detected
  • okNo freshness warnings were generated.

install metadata

Package metadata

Package keybrew:fairy-stockfish
Version14.0.1
Package managerHomebrew
Homepagehttps://fairy-stockfish.github.io/
Repositoryhttps://github.com/fairy-stockfish/Fairy-Stockfish
Bottlenot recorded
Servicenone declared

source database matches

Other package-manager records

Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.

Debian apt95%

fairy-stockfish 11.1-1+b1

chess variant engine including support for Chess, Shogi and XiangQi variants

https://github.com/ianfab/Fairy-Stockfish

sudo apt install fairy-stockfish
  • Section: games
  • Architecture: amd64
  • Source Package: fairy-stockfish
  • 3 dependencies
  • 3 optional deps
  • normalized package name match
  • Matched by: Fairy Stockfish
Debian stable package indexes · deb.debian.org · Debian stable package indexes: fairy-stockfish from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Ubuntu apt95%

fairy-stockfish 11.1-1

chess variant engine including support for Chess, Shogi and XiangQi variants

https://github.com/ianfab/Fairy-Stockfish

sudo apt install fairy-stockfish
  • Section: universe/games
  • Architecture: amd64
  • 3 dependencies
  • 3 optional deps
  • normalized package name match
  • Matched by: Fairy Stockfish
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: fairy-stockfish from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz

package graph

Links come from deterministic package relationships, av.db category and tag curation, ecosystem matches, and package hub membership.

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Used sources

  • Geiger risk classifier
  • cross-ecosystem install command graph
  • curated package history
  • external package-manager database matches
  • pkg.so package database
  • pkgdb category and tag curation