ChessDataLab

Analyze as many Chess.com and Lichess games as you want offline. Find Stockfish-detected mistakes and train on them. No subscription. No ads. Yours forever.

Learn from your own games

ChessDataLab helps chess players improve using their own games.

Import your Chess.com and Lichess games, analyze them with Stockfish, identify your mistakes, and turn them into personalized training exercises.

No subscriptions. No ads. Unlimited analysis. Works offline.

Turn mistakes into training exercises

Most chess apps show you where you made mistakes.

ChessDataLab goes one step further.

Mistakes and blunders detected during analysis are automatically transformed into training positions.

Instead of solving random puzzles, you train on positions that actually occurred in your own games.

Analyze your games with Stockfish

Replay your games move by move and discover:

• Accuracy score
• Theoretical opening moves
• Mistakes and blunders
• Stockfish best moves
• Position evaluations
• Detailed game review

Understand not only what went wrong, but why.

Analyze your openings

Discover:

• Your most played openings
• Win rates
• Opening performance
• Theoretical knowledge
• Related games

Identify which openings bring the best results and where improvement is needed.

Track your progress

Follow your improvement through:

• Rating progression
• Accuracy trends
• Blunder reduction
• Game history

Open any game directly from the statistics screens and review the positions that impacted your results.

Import Chess.com and Lichess games

Import and analyze your games from:

• Chess.com
• Lichess
• Bullet
• Blitz
• Rapid

No subscription. No ads. Works offline.

Unlike many chess applications:

• Unlimited analysis
• No subscription
• No in-app purchases
• No ads
• Embedded Stockfish engine
• Fully offline analysis
• Your data stays on your device

Buy once and keep all features forever.