Chess4U vs Just Chess Puzzles

Master chess with your personal AI training partner. Chess4U adapts to your exact skill level and builds a personalized training plan that targets your weaknesses — so every session makes you stronger. TRAIN SMARTER WITH 8 SPECIALIZED MODES • Tactics Trainer – Sharpen calculation with level-matched puzzles • Opening Workshop – Learn and practice opening theory • Middlegame Mastery – Develop strategic and positional thinking • Endgame Lab – Master critical winning techniques • Calculation Drills – Train deeper move calculation • Variation Practice – Lock in theoretical lines with guided repetition • Game Analysis – Replay your games with AI evaluation and feedback • Blunder Reduction – Identify and eliminate costly mistakes AI COACHING THAT KNOWS YOUR GAME Our Tree-of-Thought engine continuously analyses your performance and selects the next training task to target your biggest weakness. Real-time hints, position commentary, and move evaluation keep you learning at every step. KNOW YOUR STRENGTHS AND WEAKNESSES A dynamic skill radar tracks your accuracy across Tactics, Openings, Endgames, Calculation, and Strategy. Your weekly plan updates automatically so you always know what to work on. BUILT FOR 800–2000 ELO PLAYERS Five skill bands mean Chess4U meets you exactly where you are — whether you're learning patterns for the first time or pushing past 1800. FULLY CUSTOMISABLE EXPERIENCE • 6 board themes: Classic, Wood, Marble, Midnight, Tournament, Coral • 4 piece styles: Standard, Neo, Alpha, Merida • Voice coaching, sound effects, and adjustable hint levels • Beginner, Tournament, Study, Kids, and Focus UI modes

20 free puzzles a day, forever. 100,000+ chess puzzles that work with zero internet. One purchase, $4.99, unlocks everything for good. No subscription accounts, ads, or push notifications. • Play it out: When you solve a puzzle, keep playing the position against the engine instead of stopping at the answer. • See the evaluation: A live eval bar shows how winning or losing each position really is. • Train your weak spots: Filters puzzles from a library of 20+ categories (checkmate, opening, middlegame, forks, pins, caro-kann, etc.) • Track everything: Full puzzle history and a rating graph, stored on your device. • Private by design: The app is fully offline. No account, no sign-up, no analytics, and no data leaves your phone. Having trouble? Please reach out to support@justchesspuzzles.com