fairy-stockfish ☆
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Description:
Strong open source chess variant engine
Type: Formula  |  Latest Version: 14@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Other
Tags: chess engine ai uci game
Install: brew install fairy-stockfish
About:
Fairy-Stockfish is a powerful open-source chess engine derived from Stockfish, specifically designed to support a wide variety of chess variants. It provides top-tier AI performance for games like Xiangqi, Shogi, and Fischer Random Chess, making it a versatile tool for variant enthusiasts and developers.
Key Features:
  • Supports over 100 chess variants including Xiangqi and Shogi
  • UCI-compatible engine for integration with standard GUIs
  • Highly optimized for modern CPU architectures
  • Active development and strong community support
Use Cases:
  • Playing high-level chess variants against an AI
  • Powering online chess variant servers and bots
  • Analyzing games in non-standard chess formats
Alternatives:
  • stockfish – Stockfish is the base engine but lacks Fairy-Stockfish's extensive support for non-standard chess variants.
  • lc0 – Leela Chess Zero uses neural networks and is strong in standard chess, but has less support for variants.
License: GPL-3.0-or-later
Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, sonoma, ventura, arm64_linux, x86_64_linux
Version History
Detected Version Rev Change Commit
Sep 13, 2025 2:36pm 0 VERSION_BUMP 9324f7e4
Dec 11, 2024 5:54am 0 VERSION_BUMP ce9e2dfe
Dec 10, 2024 6:05pm 0 NEW 8bdfb27a
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