The serious player's chess workstation
Import games from chess.com, lichess, or record over-the-board directly in the app. Analyse with Stockfish, build opening repertoires, drill with spaced repetition, study opponent tendencies, and train on your own blunders — all local-first, all free.
Everything a serious player needs
Game Library
Import from chess.com, lichess, PGN files, or record OTB. All your games in one searchable database with folders and collections.
Deep Analysis
One-click engine analysis with Stockfish classifies every move with inaccuracies, mistakes, and blunders. WDL bar and multi-PV display.
Opening Repertoire
Build and maintain repertoires with a visual variation tree. Import existing lines from ChessBase or Chessable via PGN in one step.
Master Database Overlay
See move popularity, W/D/L%, and average Elo from millions of OTB master games on any position in your repertoire or analysis.
Training
Spaced repetition opening drills powered by FSRS. 'Review All' for tournament prep. Coverage heatmap shows recall probability for every move in your tree.
Personal Statistics
W/D/L by colour, time control, and opening. Accuracy trends, blunder heatmap, luck and opportunism rates — filtered to any folder or collection.
Opponent Preparation
Search any opponent from your game library. See their strongest lines, where they deviate from book, and export a full preparation report as PGN.
Personal Tactics
FSRS-scheduled puzzles auto-extracted from your own blunders. 10-puzzle sessions with solution display and end-of-session summary.
Universal Improvement Loop
From any game — OTB, chess.com, or lichess — to annotated review, repertoire update, and tomorrow's training queue in one workflow.
See it in action
Why Masterboard?
No single tool currently handles the complete game-improvement workflow for the serious club player. Masterboard is built to close that gap.
| Feature | Masterboard | ChessBase | En Croissant | ChessTempo |
|---|---|---|---|---|
| Price | Free | €350+ upfront | Free | Free / $30/yr |
| Platform | Win/Mac/Linux | Windows only | Win/Mac/Linux | Web only |
| Works offline | ✓ | ✓ | ✓ | ✗ |
| OTB game entry | ✓ | ✓ | ✗ | ✗ |
| Batch game analysis | ✓ | ✓ | ✗ | Platform only |
| Personal stats dashboard | ✓ | ✓ | ✗ | Platform only |
| Opponent preparation report | ✓ | ✓ | ✗ | ✗ |
| Personal tactics (own games) | ✓ | ✗ | ✗ | Platform only |
| Annotations persist in DB | ✓ | ✓ | No (issue #191) | N/A |
| Works with all your games | ✓ | ✓ | ✓ | ✗ |
En Croissant annotation issue: #191. ChessTempo improvement loop only applies to games played on its own platform.
Ready to improve your game?
Free. Local-first. No subscription.