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.

FeatureFreePaid
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

PlanPriceDescription
Pro – Annual$4.99 / yearBest for casual learners. Cancel anytime.
Pro – Lifetime$9.99 once-offPay once, own it forever.