Maia predicts what a slightly stronger player would have played. When that is different from your move and Stockfish says it was clearly better the position becomes a flashcard for you to practice.

Runs in your browser after a one-time ~44 MB download.

Build a deck

What counts as an error

A move is an error when a player 200 points stronger would have played something else, and Stockfish says yours cost at least 10% of your winning chances.

More settings

In a drill, a different move counts as also good when it’s within 4% win chance of the stronger move.

Favorite decks

Loading…