Application Description

Master chess openings, build your personal repertoire, and hone your opening variations with this comprehensive app.

Key Features:

• Extensive Opening Tree: Explore a vast chess opening tree enriched with game statistics.
• ECO Integration: Leverage the Encyclopedia of Chess Openings (ECO) for comprehensive opening analysis.
• Comparative Analysis: Compare ECO classifications and opening tree moves side-by-side in any position.
• PGN Export/Import: Export your openings in PGN format for sharing or import new ones.
• Customizable Repertoire: Build and curate your own opening repertoire, adding and editing your preferred lines.
• Annotated Moves: Add and edit comments to individual moves for personalized study.
• Automatic ECO Classification: Automatically classify any move sequence using the ECO system.
• Repertoire Highlighting: The opening explorer clearly highlights moves already included in your repertoire.
• Comprehensive Database: The chess database encompasses all transpositions.
• Interactive Trainer: An interactive trainer helps you memorize openings and variations.
• Multi-Variation Training: Train multiple variations simultaneously against randomized opponent moves from your repertoire.
• Customizable Training: Set custom starting positions for targeted training.
• Progress Tracking: Monitor your training progress with detailed statistics.
• Visual Customization: Customize your chessboard colors and piece styles.
• Dark Mode Support: Enjoy a dark mode for comfortable nighttime use.
• Offline Functionality: Works completely offline, allowing for practice anywhere.

Learn popular openings like the Queen's Gambit, King's Indian Defense, and many more!

Chess Opening Explorer: Search the Encyclopedia of Chess Openings or navigate the opening tree. Easily switch between exploration features using intuitive swipe gestures.

Repertoire Builder: Add your favorite opening lines to your personal repertoire using the explorer. Edit opening names and organize your collection.

Opening Trainer: Effectively memorize opening variations. Train white, black, or both sides, optionally training all variations at once. The trainer randomly selects opponent moves from your repertoire, tracking your progress and displaying your performance statistics.

Chess Opener PRO (Upgrade): Unlock enhanced capabilities:

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

What's New (Version 1.21.1 - June 27, 2024):

The training screen has been improved with features including: a visible chessboard during final score display, the ability to share/export games and positions during training, a toggle for comments, and other enhancements while maintaining a clean and focused interface.

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