Chess Openings - Master 3000+ Opening Variations

Master 3000+ chess openings. Sicilian, French, Spanish and more. Free app with quizzes, Stockfish analysis and repertoire builder.

Explore all chess openings

Popular chess openings

• Caro-Kann Defense
• French Defense
• Italian Game
• Italian Game: Giuoco Piano
• King's Indian Defense
• London System
• Nimzo-Indian Defense
• Queen's Gambit
• Queen's Gambit Declined
• Ruy Lopez
• Ruy Lopez: Berlin Defense
• Ruy Lopez: Closed
• Ruy Lopez: Morphy Defense
• Sicilian Defense
• Sicilian Defense: Najdorf Variation

Train and explore

• Chess Training - Puzzles, Lessons & Notation
• My Collection - Games & Repertoires
• Chess Opening Library - Browse 3000+ Openings
• Chess Analysis Board - Free Stockfish Engine
• FAQ & Glossary - Chess Terms Explained
• Chess Opening Puzzles - Test Your Knowledge
• Chess Lessons - Learn Opening Theory
• Chess Notation Training - Learn to Read Moves
• Repertoire Quiz - Test Your Opening Lines
• My Games - Import & Analyze Your Chess Games
• My Repertoires - Build Your Opening Lines