Fast Chess

Fast Chess 1.8.0-alpha

A command-line tool to run engine vs engine matches in chess.

  • By Disservin
  • Open Source
  • Portable
  • Updated Jan 28, 2026
Download for Windows

About Fast Chess

A command-line tool to run engine vs engine matches in chess.

What's new in 1.8.0-alpha

Features
- Configurable Pings: Ping times are now adjustable.
- Overwrite Support: Added append=false for PGN, EPD, and log files.
- Updates: Bumped chess-lib to 0.8.20.
Fixes & Refactors
- Stability: Fixed crashes related to compliance tests, NaN sorting, and "Out of Bounds" errors.
- Process Handling: Major overhaul of POSIX process management and error propagation.
- UCI Improvements: Better parsing safety and separation of stdout/stderr.
- Platform: Fixed macOS dir usage for engines.

Full release notes »

Technical details

PublisherDisservin
Version1.8.0-alpha
Release date2026-01-28
LicenseMIT
Installer typezip
Architecturex64, arm64
Package IDDisservin.FastChess

Install Fast Chess from the command line

Install with Windows Package Manager
winget install --id=Disservin.FastChess -e
Update to the latest version
winget upgrade --id=Disservin.FastChess -e
Uninstall
winget uninstall --id=Disservin.FastChess -e

chesscli-appcpp

Fast Chess version history

0.9.0 Jun 23, 2024

What's Changed
- multiple different fixes to how matches are played
- improved logging
- improved debug functionality for engine devs
Full Changelog: https://github.com/Disservin/fast-chess/compare/v0.8.2-alpha...v0.9.0-alpha

0.7.0-alpha

Frequently asked questions

Is Fast Chess free?

Yes. Fast Chess is free and open-source software released under the MIT license.

What is the latest version of Fast Chess?

The latest version is 1.8.0-alpha, released on Jan 28, 2026.

Is it safe to download Fast Chess?

The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with dcd5ad5c72237410f54dfc6e1af59f1088e72c2f67c29244fc974100791f3d13.

Which Windows versions does Fast Chess support?

Fast Chess runs on Windows and is available for 64-bit (x64), ARM64 systems.

How do I uninstall Fast Chess?

Open Settings › Apps › Installed apps, find Fast Chess and select Uninstall. From the command line, run winget uninstall --id=Disservin.FastChess -e.

Is there a portable version of Fast Chess?

Yes. Fast Chess is available as a portable ZIP archive (fastchess-windows-x86-64.zip, 64-bit (x64)) that runs without installation. Copy it to any folder or USB drive and run it from there.

Alternatives to Fast Chess

Other Command Line Tools programs for Windows from different developers.