Stop forgetting your openings
Memorize your opening repertoire with spaced repetition, and catch where your real games deviate from your prep.
- FSRS Spaced Repetition
- Lichess & Chess.com Import
- Curated courses
- Free to start
Italian Game
Giuoco Piano
Integrates with your favorite platforms
How It Works
Master your openings in 3 simple steps
Build Your Repertoire
Import your games or create your own lines. Organize by opening, color, and difficulty.
Train with FSRS
Practice your lines with spaced repetition. The algorithm optimizes your review schedule.
Track & Improve
Analyze your games, find deviations, and continuously strengthen your preparation.
Everything to improve in openings
Modern tools to learn and remember your opening lines.
Train any opening with spaced repetition
Every major chess opening, each with main variations, traps, and an interactive trainer powered by FSRS.
Latest from the blog
Opening guides, training methods, and honest tool comparisons — written for real club players.
Frequently Asked Questions
Everything you need to know about ChessAtlas
Yes! Core features are completely free: build repertoires, train with spaced repetition, and import games from Lichess/Chess.com. Premium features are available for power users who want more.
Ready to never forget a line again?
Create a free account and start building your repertoire now.