lc0 ☆
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Description:
Open source neural network based chess engine
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Ai ml
Tags: chess ai neural-network engine game
Install: brew install lc0
About:
Lc0 is a powerful open-source chess engine that utilizes neural networks, specifically designed to work with Leela Chess Zero (Lc0) networks. It employs a Monte Carlo Tree Search (MCTS) algorithm to calculate moves, offering a strong alternative to traditional CPU-based engines. This engine is optimized for modern hardware, including GPUs via CUDA and OpenCL, providing high-performance analysis and gameplay.
Key Features:
  • Neural network based evaluation using MCTS
  • GPU acceleration support (CUDA, OpenCL)
  • UCI-compatible for integration with GUIs
  • Open source and actively developed
Use Cases:
  • High-level computer chess analysis
  • Playing against humans or other engines
  • Research in machine learning and game theory
Alternatives:
  • Stockfish – Stockfish is a traditional alpha-beta search engine, while Lc0 uses neural networks and MCTS for different play styles.
Version History
Detected Version Rev Change Commit
Nov 24, 2024 10:15am 0 VERSION_BUMP 6940ebad
Sep 14, 2024 1:16pm 0 VERSION_BUMP 2aa6978e
Oct 15, 2023 2:53pm 0 VERSION_BUMP 2baeaf96
Sep 30, 2023 8:24pm 0 VERSION_BUMP 32d8c2eb
Feb 8, 2023 2:24pm 0 VERSION_BUMP e11f89fc
Dec 26, 2022 12:57pm 0 VERSION_BUMP 16d2e863
Dec 19, 2022 3:06pm 0 VERSION_BUMP ee09bb2f
Dec 19, 2022 3:06pm 0 VERSION_BUMP 6922d899
Dec 15, 2022 5:06pm 0 VERSION_BUMP 866b30dc
Dec 15, 2022 5:06pm 0 VERSION_BUMP a726387f
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