Opponent prep · Lichess & Chess.com
Know your opponent's openings before you sit down.
Type your next opponent's Lichess or Chess.com username. Under a minute later you have their repertoire, the lines where they score badly, and a game plan for both colours, matched to the openings you already play.
- No account needed
- Ready in ~30 seconds
- Secure Stripe checkout
Their Lichess or Chess.com username, and yours if you want advice tuned to your repertoire.
Up to 300 rated games: openings by frequency and score, time controls, game length, how they lose.
Three concrete moves for each colour, a one-page cheat sheet, and a PDF to read on the way.
Free tool
What's your opening fingerprint?
Type any Lichess username and get a free style archetype, best weapon and Achilles' heel, with a card you can share. No signup.
Pricing
Pay per opponent. No subscription.
One opponent, the full dossier and cheat sheet.
Prep for every round. Credits never expire.