Chess Opener Lite

Master chess openings, craft your perfect repertoire, and hone your opening variations with this comprehensive app.

Key Features:

• Extensive Chess Opening Tree: Explore a vast opening tree enriched with game statistics.
• ECO Integration: Leverage the Encyclopedia of Chess Openings (ECO) for seamless navigation.
• Comparative Analysis: Compare ECO and opening tree moves side-by-side for in-depth understanding.
• PGN Export/Import: Export your openings in PGN format and import openings from external sources (PRO feature).
• Customizable Repertoire: Build and manage your personal opening repertoire with ease.
• Annotated Moves: Add and edit comments on moves for personalized learning.
• Automatic ECO Classification: Automatically classify any move sequence using the ECO system.
• Repertoire Highlighting: The opening explorer clearly highlights moves already in your repertoire.
• Comprehensive Database: Access a chess database encompassing all transpositions.
• Interactive Trainer: Memorize opening variations effectively with the interactive trainer.
• Multi-Variation Training: Train multiple variations simultaneously against randomized opponent moves.
• Customizable Training: Set up custom starting positions for targeted training.
• Progress Tracking: Monitor your training progress with detailed statistics.
• Visual Customization: Personalize your experience with customizable chessboard colors and pieces.
• Dark Mode Support: Enjoy comfortable viewing in dark mode.
• Offline Functionality: Work completely offline, anytime, anywhere.

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

CHESS OPENING EXPLORER:

Search within the ECO or navigate the opening tree. Easily switch between exploration features at any position with simple swipes.

REPERTOIRE BUILDER:

Add your preferred opening lines to your repertoire using the intuitive explorer. Edit opening names and organize your repertoire for optimal efficiency.

OPENING TRAINER:

Efficiently memorize opening variations. Train white's moves, black's moves, or both, including the option to train all variations at once. The trainer randomly selects opponent moves from your repertoire, and tracks your progress.

Upgrade to Chess Opener PRO for Enhanced Capabilities:

• Unlimited Repertoire & Depth: Expand your repertoire without limitations.
• Expanded Opening Tree: Access a significantly larger opening tree with detailed statistics.
• Grandmaster Repertoires: Study the repertoires of 100+ top grandmasters.
• Powerful Engine Analysis: Benefit from in-depth analysis powered by a strong chess engine.

### What's New in Version 1.21.1