ChessX is a chess database application.
With ChessX you can operate on your collection of chess games in many ways: browse, edit, add, organize, analyze, etc.
ChessX is free and open source software.
Key Features
- Load and save PGN files.
- Work with multiple databases simultaneously.
- Browse games, including variations.
- Enter moves, variations, comments.
- Setup board, copy/paste FEN.
- Search header (click on columns in GameList header).
- Display opening tree for current position.
- Analyze using UCI and Winboard/Xboard Chess engines.
- Training mode (next move is hidden).
- Integrated Stockfish engine.
- Lichess Opening Databases.
- Nalimov and Syzgy Tablebases.
- Play Online on Free Internet Chess Server (FICS).
- Read support for Scid binary database (*.si4)
- Cross-platform support – runs under Linux, Mac OS X, and Windows.
Website: chessx.sourceforge.io
Support: SourceForge Project Page, GitHub Code Repository
Developer: Jens Nissen
License: GNU General Public License v2.0

ChessX is written in C++. Learn C++ with our recommended free books and free tutorials.
Related Software
| Chess Apps | |
|---|---|
| Lucas Chess | Highly polished chess app with superb training facilities |
| En Croissant | GUI chess toolkit |
| PyChess | Advanced chess client |
| Scid | Shane's Chess Information Database |
| Knights | Chess game for the KDE desktop environment |
| ChessX | Chess database and FICS client |
| ChessMD | Lightweight PGN database viewer and analysis tool |
| XBoard | Graphical user interface chessboard for chess engines |
| Cute Chess | Graphical user interface, command-line interface and library |
| Nibbler | Chess analysis GUI for UCI engines |
| GNOME Chess | Vala-based chess GUI |
| JFXChess | JavaFX Chess GUI |
| Obsidian Chess Studio | Chess analysis platform |
| CoreChess | Chess GUI for chess engines |
| SlugChess | Chess with Fog-of-War and shuffled officers |
| OChess | Chess game analysis software |
| eboard | Chess board interface for ICS and chess engines |
| Atom Chess | Chess engine built using Stockfish and Electron |
Read our verdict in the software roundup.
| FICS Clients | |
|---|---|
| ChessX | Chess database and FICS client |
| PyChess | Advanced chess client following the GNOME Human Interface Guidelines |
| XBoard | GUI chessboard for chess engines and to play against humans over the internet |
| eboard | GTK+ based chess board interface to ICS and chess engines |
| Jin | Java based graphical client for internet chess servers |
| Raptor | Chess interface for freechess.org (FICS) |
Read our verdict in the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |

