Repertree
Currently in beta
We are responding to feedback and squashing bugs, as well as preparing new visualization and training modes
Master Your Openings, One Branch at a Time
Build a complete chess opening repertoire repertree with real game statistics, engine analysis, and intelligent training. See exactly what your opponents play and prepare the perfect response.
Four Modes, One Complete System
Everything you need to build, visualize, train, and master your opening repertree
Learn New Lines
Learn the lines & variations in common openings, custom curated by our team.
Build & Explore
Create your Repertree by exploring common opponent moves and suggested master moves. Powered by Lichess
Train Your Memory
Practice Repertree lines with spaced repetition and other fun training modes to commit moves to memory.
Visualize Everything
View your Repertree as a node tree, and other visualizations coming soon. Spot gaps and understand your coverage at a glance.
Powered by Real Game Data
Make informed decisions with statistics from millions of master games on Lichess.
Master Game Statistics
Access win/draw/loss rates from millions of high-level games
Filter by Rating & Time Control
See what players at your level actually play in blitz, rapid, or classical
Visual Win Rates
Instantly see which moves score best with color-coded statistics
Opening Name Detection
Automatically identifies openings and variations as you build
Every Move, Organized
Powerful tools to manage complex repertrees with ease
Variations & Branches
Create multiple responses to any opponent move. Build deep, comprehensive lines.
Transposition Detection
Automatically identifies when different move orders reach the same position.
Annotations & Notes
Add personal notes and annotations to any move in your repertree.
Key Positions
Mark critical positions and quickly jump to them during study.
Coverage Tracking
See the gaps in your coverage at a glance. Identify where to improve your preparation.
PGN Import/Export
Import existing repertrees or export to share and backup.
Engine-Powered Insights
Validate your repertree with deep Stockfish analysis. Know exactly which moves are sound and which need work.
Multi-Line Analysis
See multiple top engine moves with evaluations at any position
Configurable Depth
Adjust analysis depth based on your needs—quick checks or deep dives
Best Move Arrow
See best moves drawn directly on the board for instant understanding
Engine
Train Like a Pro
Multiple training modes to commit your repertree to memory
Learn Mode
Be introduced to new lines with hints and guidance. Perfect for initial memorization.
Recall Mode
Use spaced repetition to commit your repertree to memory. Moves you miss get reviewed more often.
Drill Mode
Drill through all or specific lines to build speed and confidence. Rank your drills on the leaderboards.
Time Trials
Race against the clock to test your opening knowledge under pressure. Leaderboard ranking.
Learn from Your Favorite Coaches
Study repertrees built by top players and content creators. Access proven opening systems step-by-step.
Official Creator Repertrees
Browse and study repertrees from chess professionals and educators
Save Favorites
Bookmark repertrees to your library for easy access and training
Proven Systems
Learn battle-tested opening systems with expert commentary
GothamChess
Caro-Kann Defense
Daniel Naroditsky
Speedrun Repertree
Eric Rosen
Stafford Gambit
Hikaru
Bullet Openings
Your Repertree, Everywhere
Access your work from any device and share with the community
Cloud Save
Your repertrees are automatically saved and synced across all your devices.
Share Links
Generate shareable links to let others view or copy your repertree.
Publish & Discover
Publish your repertree for the community to learn from and discover others' work.
Ready to Build Your Repertree?
Join thousands of players who are mastering their openings with Repertree. Start building for free today.