chessprep.io

Opening prep,
done right.

Explore your Lichess games, build opening repertoires, and drill them until the moves are automatic.

Explore
Browse and filter your full Lichess game history.
Infer
Auto-generate a repertoire from your game patterns.
Build
Create and edit repertoires with a visual tree.
Drill
Practice lines on a board until they're automatic.
Analyze
Find gaps in your prep and review opening blunders.
Scout
Profile opponents and prepare targeted lines.