ChessLab: Openings & Puzzles

ChessLab is the complete chess trainer and chess game in one app. Study 10,000+ openings, solve 1,200+ tactics puzzles, train 20,000 endgames, and play Stockfish 18 across 7 AI skill levels. No internet required. Whether you're learning how the pieces move or grinding toward master level, ChessLab takes you from your first move to grandmaster strategy — ad-free with Premium. ━━━━━━━━━━ PLAY CHESS ━━━━━━━━━━ • Play vs AI — 7 ELO-tuned difficulty levels: • Beginner Bot I (500) — Learn the basics • Beginner Bot II (900) • Intermediate (1300) • Advanced (1700) • Expert (2000) — Club strength • Master (2400) • Grand Master (2700) — Powered by Stockfish 18 • Play vs Friends (Offline) — Pass-and-play on one device • Play Online — Challenge real players in live matches ━━━━━━━━━━ CHESS OPENINGS ━━━━━━━━━━ Study 10,000+ openings covering every ECO code: • Ruy Lopez • Sicilian Defense • French Defense • Caro-Kann Defense • King's Indian Defense • Queen's Gambit • Italian Game • English Opening • Hundreds more Every opening includes move-by-move PGN playback for easy study. ━━━━━━━━━━ GAMBITS ━━━━━━━━━━ Master aggressive opening traps and attacks: • Halloween Gambit • Scotch Gambit • Englund Gambit • King's Gambit • Benko Gambit • And many more ━━━━━━━━━━ TACTICS & PUZZLES ━━━━━━━━━━ Sharpen your calculation with 1,200+ hand-picked puzzles: • Mate in 2 • Mate in 3 • Mate in 4 • Smothered Mate • Pawn Promotion Daily puzzle practice is one of the fastest ways to improve your rating. ━━━━━━━━━━ ENDGAME TRAINER ━━━━━━━━━━ Practice against Stockfish across 20,000 endgame positions, from King & Pawn basics to advanced rook endings and more. Master the phase of chess most players neglect. ━━━━━━━━━━ GAME STATS & PERFORMANCE ANALYSIS ━━━━━━━━━━ Connect your Chess.com or Lichess account for detailed insights: • Overall statistics • Rapid, Blitz, Bullet & Classical ratings • Win / Draw / Loss breakdown • Current & Peak ELO • Rating history graphs • Best & worst openings • Opening comparison with database averages • Common mistakes • Opening, Middlegame & Endgame weaknesses • Toughest opponents • Highest-rated victories ━━━━━━━━━━ GRANDMASTER GAME LIBRARY ━━━━━━━━━━ Replay legendary games from: • Magnus Carlsen • Garry Kasparov • Bobby Fischer • Viswanathan Anand • Hikaru Nakamura • D. Gukesh • Mikhail Tal • Capablanca • Karpov • Kramnik • Alekhine • Morphy • Judit Polgar Includes World Championship game archives. ━━━━━━━━━━ GAME REVIEW & ANALYSIS ━━━━━━━━━━ • Import any PGN • Stockfish-powered analysis • Move quality feedback: • Brilliant • Great • Good • Mistake • Blunder • Find mistakes and improve • Share games in PGN format ━━━━━━━━━━ FULLY CUSTOMIZABLE ━━━━━━━━━━ • 40 piece sets • 27 board themes • 6 sound themes • Dark Mode • Undo / Redo during practice ━━━━━━━━━━ WHO IT'S FOR ━━━━━━━━━━ • Beginners learning the rules • Club players (800–1500) • Intermediate players (1500–2000) • Advanced players (2000+) • Anyone who wants to play chess offline Download ChessLab and start improving today — one move at a time.