Personalised chess training
Turn your mistakes into progress. ♟
Game review finds the mistakes. Generic puzzles fix someone else's. Cassandra fixes yours.
How it works
1
Connect your account
Link your Chess.com or Lichess username. No payment required.
2
Cassandra builds the right puzzle for each mistake
Not every position needs the same fix. Cassandra assigns the right puzzle type for each mistake — from tactical misses to positions where you misread your opponent entirely.
3
Start training
Enter your username below
Free·Unlimited·No paywall·Personalised