Elevate your game with CHESS REV — a privacy-first chess trainer and review studio built for serious learners. Analyze entire games instantly using a powerful on-device engine, turn mistakes into lessons with smart review sessions, and train with tailored puzzles and opening feedback. CHESS REV helps you learn faster so you win more confidently at the board.

Why CHESS REV?
⚡ Fast, Local Analysis: Stockfish runs directly on your device for instant, private evaluations — no cloud uploads or waiting in server queues required.
🧠 Smart Review Engine: Automatically spot tactical mistakes, recurring patterns, and missed opportunities in your gameplay.
🎯 Practical Training: Adaptive puzzles and opening-move feedback that specifically target and improve your weaknesses.
🔓 Flexible Unlocking: Temporarily unlock advanced tools for 6 hours by watching a single short rewarded ad — absolutely no forced subscriptions required!
🔗 Link External Accounts: Optionally connect Lichess or Chess.com to seamlessly fetch your games for review (all tokens stay securely on-device).
📴 Play & Learn Offline: Most features work entirely without network access once the app is installed.
🪶 Ultra-Lightweight: Highly optimized to take up minimal storage space on your phone, giving you a massive engine without the massive file size.
Core Features
📊 Full-Game Analysis: Multi-line engine suggestions paired with human-friendly explanations for complex positions.
♟️ Move-by-Move Feedback: Automated and clear mistake classification (Blunder, Mistake, Inaccuracy) alongside tactical pattern recognition.
🧩 Puzzle Zone: Curated and auto-generated puzzles drawn directly from your own game history.
📖 Opening Trainer & Book: Practice typical opening responses and receive immediate, actionable move feedback.
📈 Progress & Stats Dashboard: Track your accuracy, rating estimates, and overall improvement trends.
🔒 Privacy-Minded & Secure: Fully local data storage with minimal permissions requested only when strictly necessary.