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 codes 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. The opening explorer highlights moves already in your repertoire. The database includes all transpositions.
• Interactive Trainer: Memorize opening variations efficiently. Train on white's, black's, or both sides' moves, even training multiple variations simultaneously against randomly selected opponent moves from your repertoire. Set custom starting positions and track your training progress.
• Customizable Interface: Personalize your experience with adjustable chessboard colors, pieces, and dark mode support. The app works entirely offline.
• Learn Popular Openings: Study renowned openings like the Queen's Gambit and King's Indian Defense, among many others.

App Sections:

• Chess Opening Explorer: Search the ECO or navigate the opening tree. Easily switch between exploration features at any position.
• Repertoire Builder: Add your preferred opening lines to your repertoire. Edit opening names and organize your repertoire as needed.
• Opening Trainer: A streamlined method for mastering opening variations. Track your training statistics and progress.

Chess Opener PRO (Upgrade):

Unlock advanced features with the PRO upgrade:

• Unlimited repertoire size and opening depth.
• Significantly expanded opening tree with game statistics.
• Access to a database of 100+ grandmaster repertoires.
• Powerful chess engine analysis.
• Import openings in PGN format.

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