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What's new: • Halloween Night – a limited-time spooky theme with the Pumpkin Patch board and Ghost Glow pieces (Oct 15 – Nov 2) • 8 piece sets – preview any of them on your own board before choosing • Computer and pass & play games share one lobby; games with a friend are saved and can be resumed • Analysis: engine lines in one panel, live evaluation on every tab • Opening explorer shows arrows for the most played moves • Faster startup, smoother boards and many fixes
Aalyze, play & train - offline chess in your smartphone
Professional-level chess analysis on your phone. ChessThink is the all-in-one chess app to analyze, play, train and explore - for everyone from beginners to grandmasters. 🔥 Powered by Stockfish 19 NNUE - the newest release of the world's strongest chess engine, running natively on your device. Up to +44 Elo over Stockfish 18, and no analysis ever leaves your phone. 📊 ANALYZE • Engine evaluation of every move, with multiple best lines (MultiPV) • Game Review: per-side accuracy and move ratings - Brilliant, Best, Inaccuracy, Mistake, Blunder • Evaluation bar, eval graph and best-move arrows • Adjustable depth, from a quick check to a deep search • Set up any position, or import games via PGN/FEN (Chess960 supported) • Save analyses and add your own comments ♟ PLAY & TRAIN • Play bots from beginner to grandmaster, with hints and time controls • Tournament ladder - climb it one opponent at a time • Local 2-player mode with a real chess clock • Daily Challenge with a solving streak 📷 SCAN A POSITION (Alpha) • Point the app at a screenshot of a board and get a position you can analyze • Runs entirely on the device - no upload, no server 📚 EXPLORE • Automatic opening detection + a browsable openings library • Master endgames with Syzygy tablebases • Analysis Explorer - your personal opening book, built from your own analyses • Chess DNA - a private dashboard of how you play and study 💡 WHY CHESSTHINK? • Works offline - after a one-time engine download, analysis needs no internet • No account required • Your games and analyses stay on your device • 11 board themes, 8 languages, light and dark • Free, supported by ads Whether you are reviewing your last blitz game, drilling an endgame, building an opening repertoire or just curious what the engine thinks - ChessThink gives you the answer in seconds. Download ChessThink and take your chess to the next level.