# Install lc0

Open source neural network based chess engine. Version 0.32.1 via Homebrew; verified from local package data.

## Install

```sh
sudo av install brew:lc0
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install lc0
```

  Evidence: local Homebrew formula metadata

### Linux

- Nix (92%):

```sh
nix profile install nixpkgs#lc0
```

  Evidence: nixpkgs package indexes: pkgs/by-name/lc/lc0/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

## Package Facts

- **Package key:** brew:lc0
- **Package manager:** Homebrew
- **Package manager URL:** <https://formulae.brew.sh/formula/lc0>
- **Version:** 0.32.1
- **Source summary:** Open source neural network based chess engine
- **Homepage:** <https://lczero.org/>
- **Repository:** <https://github.com/LeelaChessZero/lc0>
- **Upstream docs:** <https://github.com/LeelaChessZero/lc0#readme>
- **License:** GPL-3.0-or-later
- **Source archive:** <https://github.com/LeelaChessZero/lc0.git>
- **Generated:** 2026-06-10T07:18:26+00:00

## Executables

- lc0 (cli)
- lc0 (alias)

## Dependencies

- eigen

## Build Dependencies

- cmake
- meson
- ninja
- pkgconf

## Install Behavior

- Post-install hook: not defined
- Bottle: available on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, tahoe, x86_64_linux

## Freshness

- Page generated: 2026-06-10
- Package-manager version: 0.32.1
- Local data status: ok
- Upstream repository: https://github.com/LeelaChessZero/lc0
- info: No package-manager update timestamp was available.
- info: No cached GitHub release or tag data was available.

## 安全说明

broad file, network, media, or database tool signal.

- **Geiger risk:** blue / medium
- broad file, network, media, or database tool signal

## Source Database Details

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** lc0
- **Version Scheme:** 0
- **Revision:** 0
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable

## Other Package-Manager Records

- Nix - lc0: normalized package name match | nixpkgs package indexes: pkgs/by-name/lc/lc0/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1


## Related Links

- [Secret-risk packages](https://www.automicvault.com/zh-hans/pkg/secret-risk-packages/) - Has protected-tool coverage, approval-gate, or non-low Geiger security signals.
- [Terminal utility packages](https://www.automicvault.com/zh-hans/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Networking and protocol packages](https://www.automicvault.com/zh-hans/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [Game and emulation packages](https://www.automicvault.com/zh-hans/pkg/game-emulation-tools/) - Matched game or emulation metadata.
- [pkgconf](https://www.automicvault.com/zh-hans/pkg/brew/pkgconf/) - Build dependency declared by Homebrew.
- [cmake](https://www.automicvault.com/zh-hans/pkg/brew/cmake/) - Build dependency declared by Homebrew.
- [ninja](https://www.automicvault.com/zh-hans/pkg/brew/ninja/) - Build dependency declared by Homebrew.
- [meson](https://www.automicvault.com/zh-hans/pkg/brew/meson/) - Build dependency declared by Homebrew.
- [stockfish](https://www.automicvault.com/zh-hans/pkg/brew/stockfish/) - Shares av.db curated category or tags: chess, chess-engine, cli, engine, games.
- [fairy-stockfish](https://www.automicvault.com/zh-hans/pkg/brew/fairy-stockfish/) - Shares av.db curated category or tags: chess, cli, engine, games, uci.
- [fairymax](https://www.automicvault.com/zh-hans/pkg/brew/fairymax/) - Shares av.db curated category or tags: chess, cli, engine, games.
- [gnu-chess](https://www.automicvault.com/zh-hans/pkg/brew/gnu-chess/) - Shares av.db curated category or tags: chess, cli, games, uci.
- [polyglot](https://www.automicvault.com/zh-hans/pkg/brew/polyglot/) - Shares av.db curated category or tags: chess, cli, games, uci.
- [xboard](https://www.automicvault.com/zh-hans/pkg/brew/xboard/) - Shares av.db curated category or tags: chess, cli, games.
- [cheops](https://www.automicvault.com/zh-hans/pkg/brew/cheops/) - Shares av.db curated category or tags: chess, cli, games.
- [fheroes2](https://www.automicvault.com/zh-hans/pkg/brew/fheroes2/) - Shares av.db curated category or tags: cli, engine, games.

## Sources

- Nucleus package database
- Geiger risk classifier
- package-page enrichment
- package version freshness
- av.db category and tag curation
- package relationship graph
- external package-manager database matches
- cross-ecosystem install command graph