gambit-pairing 0.6.4

Fast, fair, and modern tournament management. Open source and cross-platform.

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Important: Gambit Pairing is in alpha development. Features and stability are not guaranteed.

Join our Discord

Gambit Pairing is a desktop application for managing Swiss-system chess tournaments. It provides a modern graphical user interface (GUI) built with PyQt6, supporting USCF-style pairings, tiebreaks, and tournament management.

Features

• Modern User Interface

  • Polished, high-contrast, accessible UI with custom style-sheets.
  • Tabbed interface: Players, Tournament Control, Standings, Cross-Table, History Log.
  • Tooltips, context menus, and responsive layouts.
  • Print preview dialogs for pairings and standings.

• Player Management

  • Add, edit, withdraw/reactivate, and remove players.
  • Manage detailed player info: name, rating, gender, date of birth, phone, email, club, federation.
  • Import/export player lists/details from/to CSV or text files.

• Tournament Setup

  • Configure number of rounds and tiebreak order (Median, Solkoff, Cumulative, etc.).
  • Save/load tournaments to/from disk (.json files, JSON format).
  • Full tiebreaker configuration with drag-and-drop order in settings.

• Swiss Pairings

  • Automated pairings for each round, avoiding rematches and balancing colours.
  • Manual adjustment of pairings before results are entered (with dialog).
  • Bye assignment according to USCF rules, including handling of inactive/withdrawn players.

• Results Entry

  • Enter round results via an interactive table with quick result buttons.
  • Auto-set results for inactive players.
  • Undo last round's results.

• Standings & Tiebreaks

  • Standings table with configurable tiebreak columns.
  • Cross-table view showing all results.
  • Tiebreaker legend in printouts.
  • Support for Median, Solkoff, Cumulative, Sonnenborn-Berger, Most Blacks, and more.

• Print & Export

  • Print pairings, standings, or player lists directly from the application.
  • Print preview and printer selection supported.
  • Export standings and player lists to CSV or text.

• History & Logging

  • Detailed history log of actions, pairings, and results.
  • Exportable log.
  • Logging to file and console for debugging.

• Update Checker

  • Built-in update checker for packaged releases.
  • Modern dialogs for update prompts and progress.
  • Automatic and manual update checks.

Documentation

• Program Structure
• Installation Guide
• Before you commit
• Developer Hacking Guide
• Manual Pairing Guide
• GitHub Actions Build System

Downloads

Automatic Releases

Pre-built executables and installers are automatically created for each release:

• Windows MSI Installer - Full installation with Start Menu shortcuts
• Windows Portable - Single-file executable, run directly
• Windows Directory - Faster startup, extract and run
• Linux - Executable for Linux x64 systems
• macOS - App bundle for macOS x64 systems

Visit the Releases page to download the latest version.

Build Status

Requirements

To install with pip, there is a helper sh script, ensure-all-dependancies.sh

it will parse the pyproject.toml and install all the runtime and development dependancies.

Usage

1. Install the application:

• see: installing.md

2. Create or Load a Tournament:

   • Use "File > New Tournament..." or "File > Load Tournament..." to start.
   • Configure rounds and tiebreaks in "Settings".

3. Add Players:

   • Enter player details (name, rating, gender, etc.) and click "Add New Player...".
   • Import players from CSV via "File > Import Players from CSV...".
   • Edit, withdraw/reactivate, or remove players via right-click context menu.

4. Start Tournament:

   • Click "Start Tournament" when ready.
   • No further player additions/removals after starting.

5. Pairings and Results:

   • Prepare next round and enter results in the pairings table.
   • Use quick result buttons or select from the dropdown.
   • Manually adjust pairings if needed (right-click pairing row).
   • Undo last round's results if necessary.

6. Standings & Cross-Table:

   • View current standings and tiebreaks in the Standings tab.
   • View all results in the Cross-Table tab.

7. Print:

   • Print pairings, standings, or player lists via the "File > Print..." menu.
   • Use print preview and select your printer before printing.

8. Export & Save:

   • Export standings or player lists via the File menu.
   • Save or load tournaments at any time.

9. History:

   • Review all actions and results in the History Log tab.

10. Check for Updates:

    • Use "Help > Check for Updates..." to check for new versions (packaged releases only).

    Notes

• The pairing algorithm follows USCF-style Swiss rules, including color balancing and bye assignment.
• Tiebreak order is fully configurable and reflected in the standings and printouts.
• Manual pairing adjustments are logged and cannot be undone automatically.
• Tournament data is saved in .json files (JSON format).
• This is still an alpha; please report bugs or suggestions via Discord or make an issue on Github

License

This project is open source and available under the GPL-3.0-or-later

Screenshots

Below are some example screenshots of Gambit Pairing in action.

About Dialog

Tournament Control Tab

Player Manager Tab

Standings Tab

Cross-Table Tab

History Log Tab

Print Dialog

Manual Pairing Dialog

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