Chess Opener Lite Rate : 5.0

Master chess openings, develop your repertoire, and practice key variations.

Key Features

- Interactive chess opening explorer with statistical insights

- Comprehensive Encyclopedia of Chess Openings (ECO) integration

- Side-by-side comparison of ECO and opening tree variations

- PGN format export for opening databases

- Create and customize personal opening repertoires

- Annotate moves with personal notes

- Automatic ECO classification for move sequences

- Visual indicators for repertoire-compatible moves

- Complete chess database with transposition support

- Dynamic training module for opening memorization

- Simultaneous variation training against random repertoire moves

- Custom training starting positions

- Detailed progress tracking

- Personalized chessboard and piece styling

- Dark theme compatibility

- Full offline functionality

Master classic openings including The Queen's Gambit, King's Indian Defense, and others!

CHESS OPENING EXPLORER

Browse ECO classifications or navigate the opening tree. Seamlessly toggle between exploration modes with intuitive swipe gestures.

PERSONAL REPERTOIRE BUILDER

Curate your preferred opening lines through intuitive exploration. Easily rename and organize your repertoire entries.

OPENING TRAINER

An effective memorization system for repertoire variations. Train specific sides or both simultaneously, with randomization based on your repertoire. Track performance metrics and improvement over time.

Upgrade to Chess Opener PRO for premium features:

- No repertoire size restrictions

- Unlimited variation depth

- Enhanced opening tree with expanded statistics

- Access to 100+ grandmaster repertoires

- Advanced chess engine analysis

- PGN import capability