Stop guessing why you keep losing.

Connect your Chess.com or Lichess account and find out exactly what's holding your rating back — in 60 seconds.

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Free to download · iOS only · 3-day Pro trial
10,000+
Games analyzed
Free
3-day trial
iOS
Chess.com · Lichess
Your Rating DNA

The Fortress

What's your chess DNA? Find out in 60 seconds.

Your personal chess analysis, built from your real games

Puzzles from your mistakes

Every blunder you played becomes a puzzle. Fix the gap that actually lost you points — not generic tactics.

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Weekly AI coaching report

Every Sunday, a breakdown of what you did well, what cost you rating, and exactly what to work on this week.

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Rating DNA

Your unique strengths and weaknesses mapped across tactics, openings, endgame, and consistency. See the shape of your chess.

Peak performance timing

Find out what hours and time controls you actually play your best chess — so you stop losing rating at 11pm.

Players figuring out what was actually holding them back

"Finally figured out why I was stuck at 1200 for months. My endgame was a 31. No wonder."

Chess.com player · 1200 ELO

"The puzzles from my own games are brutal. I missed a forced mate and now I have to solve it every day until I get it."

Lichess player · 1450 ELO

"The weekly report is like having a coach. It told me the Sicilian was costing me 40 points a week."

Chess.com player · 1580 ELO

Ready to find your biggest weakness?

Free to download. 3-day Pro trial. No credit card needed.

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