ChessX is an Open Source chess database. With ChessX you can operate on your collection of chess games in many ways: browse, edit, add, organize, analyze, etc.
- Load and save PGN files
- Work with multiple databases simultaneously
- Browse games, including variations
- Enter moves, variations, comments
- Play games in training mode or play out games against an engine
- Setup board, copy/paste FEN, merge games
- Lint tools to catch performance, usability, version compatibility, and other problems.
- Display opening tree for current position
- Analyze using UCI and Winboard/Xboard Chess engines
- Observe and play games on FICS
Screenshots
Observed history
| App | Change | Version | When ↓ |
|---|
No observed changes yet.
The initial import establishes a baseline. Future version changes will appear here.
Browse the app catalogue →Upstream releases
Release notes supplied by the developer. These dates are not Flathub package publication times.
1.6.1012 Mar 2026
No release notes supplied.
1.6.829 Jan 2026
No release notes supplied.
1.6.626 Jan 2026
No release notes supplied.
1.6.26 Sept 2024
No release notes supplied.


