chess openings tree

rllu

About this game

​🌳 Visual 2D Repertoire Tree Explorer
​Stop memorizing moves in static lists. Explore your opening repertoire as a dynamic, high-performance visual tree:
​Interactive Canvas: Smoothly pan, zoom, and fly across deep opening branches with crystal-clear board thumbnails at every node.
​Smart Autopilot: Play through entire main lines and database sequences automatically with fluid animations.
​Instant Position Navigation: Tap any node to instantly view legal moves, evaluate positions, and follow sidelines.
​✂️ Custom Tree Editing & Repertoire Builder
​Build, refine, and tailor opening repertoires to your exact playing style:
​Edit & Prune: Easily trim unnecessary sidelines or delete flawed candidate moves with the dedicated node deletion tool.
​Save Custom Editions: Save and organize multiple distinct repertoires for both White and Black.
​Local Repertoire Storage: Every modification, branch cut, and variation is saved directly on your device, allowing you to curate your opening repertoire without limits.
​⚙️ Built-In Stockfish Engine Analysis
​Analyze any position on the fly with integrated chess engine support:
​Multi-PV Engine Lines: View multiple candidate moves simultaneously with live evaluation badges (centipawns and mate announcements).
​Configurable Depth: Adjust search depth (up to depth 24) and line variations to balance calculation speed and deep tactical insight.
​One-Tap Engine Playback: Watch the engine's recommended continuation unfold directly on the board.
​🎯 Active Repertoire Trainer & Quiz Mode
​Test your knowledge and build rock-solid opening muscle memory:
​Visual Repertoire Quiz: Compare candidate positions side-by-side on dual boards and pick the solid database choice.
​Track Your Progress: Challenge yourself with real-time stats tracking your score, win streak, and accuracy percentage.
​Opening Context: Every quiz question provides the recognized opening title and ECO classification to reinforce conceptual understanding.
​📚 Comprehensive Theory Database
​ECO & Name Search: Quickly look up openings by ECO code (A00–E99) or opening title (Sicilian Defense, French Defense, King’s Indian, Ruy Lopez, and hundreds more).
​Manual FEN Input: Paste custom FEN positions to jump directly into custom setups or analyze specific tournament games.
​🔒 100% Offline & Complete Privacy
​Your opening preparation is your secret weapon:
​Zero Data Collection: We do not collect, track, or share any personal data, analytics, or game moves.
​Fully Offline Operation: Works anywhere—on airplanes, tournament halls, or off the grid—without requiring an internet connection or account registration.
​Elevate your chess preparation, eliminate opening blind spots, and build a repertoire you can trust on the board. Download now and start exploring your lines!

What’s new

Version 1 functional app.