Chess Opener Lite

Master chess openings, build your personalized repertoire, and hone your opening skills with this comprehensive app.

Key Features:

• Extensive Opening Database: Explore a vast chess opening tree with detailed game statistics, powered by the Encyclopedia of Chess Openings (ECO). Compare ECO and opening tree moves side-by-side.
• Repertoire Builder: Create and customize your own opening repertoire, adding, editing, and commenting on moves. The app automatically classifies move sequences using the ECO system.
• Interactive Trainer: Memorize openings and variations efficiently. Train on white's, black's, or both sides' moves, including multiple variations simultaneously against randomly selected opponent moves from your repertoire. Set custom starting positions and track your progress.
• Intuitive Interface: Search the ECO database or browse the opening tree. Easily switch between exploration features with simple swipes. Customize the chessboard appearance and enjoy dark mode support.
• Offline Functionality: Access all features completely offline.

Learn Popular Openings: Master classic openings such as the Queen's Gambit and the King's Indian Defense, among many others.

Detailed Feature Breakdown:

• Opening Explorer: Seamlessly navigate the opening tree and ECO database.
• Repertoire Management: Easily add, edit, organize, and name your favorite opening lines.
• Training Mode: A streamlined method for memorizing variations, with progress tracking and statistics. Train against random opponent moves from your repertoire.

Chess Opener PRO (Upgrade):

Unlock advanced capabilities:

• Unlimited repertoire size and opening depth.
• Significantly expanded opening tree with game statistics.
• Access to top grandmaster repertoires.
• Powerful chess engine analysis.
• PGN import functionality.