Stop Repeating Your Mistakes.
Turn your Lichess games into personalized puzzles. ChessMistakeDriller finds your blunders so you can learn from them.
ETA TILL APP PUBLISH : CLOSED TESTING WILL FINISH JUNE 8 2025.

Simple, Powerful, Effective.
ChessMistakeDriller shows your mistakes — and helps you fix them.
✅ Learn from your own blunders
✅ Drill the exact move you missed
✅ Powered by the Lichess API and Stockfish
✅ No login required — just enter your username
What Paid Unlocks
Your only restriction is number of games analyzed, so you can still explore openings, guess moves, track mistakes, and drill your way to improvement — just with a smaller sample of your game history.
Feature | Free | Paid |
---|---|---|
Analyze your own Lichess games | ✓ | ✓ |
Personalized puzzles from your mistakes | ✓ | ✓ |
Full opening drill mode | ✓ | ✓ |
Number of games analyzed per run | 10 | Up to 1000 |
Ad-free, offline, private | ✓ | ✓ |
Pricing Options
Plan | Price | Description |
---|---|---|
Pro – Annual | $4.99 / year | Best for casual learners. Cancel anytime. |
Pro – Lifetime | $9.99 once-off | Pay once, own it forever. |