If you're passionate about chess, exploring chess openings, building your repertoire, and training the opening variations are essential steps to elevate your game. With our advanced tool, you can dive deep into the world of chess openings, enhance your strategies, and sharpen your skills.

Features

• Chess Opening Tree with Game Statistics: Gain insights into the popularity and success rates of different openings.
• The Encyclopedia of Chess Openings (ECO): Access a comprehensive database of chess openings to understand the nuances of each move.
• Compare ECO and Opening Tree Moves: View and compare moves side by side in any position for a thorough analysis.
• Export Chess Openings in PGN Format: Easily save and share your favorite openings with others.
• Build Your Own Opening Repertoire: Customize your strategy by adding and organizing your preferred opening lines.
• Add or Edit Comments on Moves: Annotate your moves to keep track of strategic thoughts and insights.
• Automatically Classify Moves Using the ECO System: Let the system categorize your moves for easy reference.
• Chess Opening Explorer Highlights: See which moves are already part of your repertoire for quick reference.
• Chess Database with All Transpositions: Explore all possible move sequences and transitions.
• Interactive Trainer: Memorize your chess openings and variations with an efficient training method.
• Train Multiple Variations: Practice against random opponent moves from your repertoire to cover various scenarios.
• Set Up Starting Position for Training: Customize your training sessions to focus on specific positions.
• Track Your Training Progress: Monitor your improvement and see where you excel or need more practice.
• Customize Chessboard Colors and Pieces: Personalize your training environment for a more enjoyable experience.
• Supports Dark Mode: Train comfortably in any lighting condition.
• Works Completely Offline: No internet required, making it perfect for on-the-go training.

With this tool, you can learn new openings such as The Queen’s Gambit, The King’s Indian Defense, and many more, enhancing your overall chess strategy.

CHESS OPENING EXPLORER

Search in the Encyclopedia of Chess Openings or browse the chess opening tree. Swipe left or right to seamlessly switch between the exploration features in any position, making your research intuitive and efficient.

BUILD YOUR OPENING REPERTOIRE

Add your favorite opening lines to your repertoire using the chess opening explorer. You can always edit the names of your openings and organize them within your repertoire, ensuring a personalized and structured approach to your game.

OPENING TRAINER

Our simple and efficient method helps you memorize variations of openings in your repertoire. Whether training white's moves, black's moves, or both, and optionally covering all variations at once, the trainer chooses opponent's moves randomly from your opening repertoire. Chess Opener tracks your progress and displays your stats, helping you improve continuously.

Upgrade to Chess Opener PRO

Unlock more features with Chess Opener PRO:

• Unlimited repertoire size
• Unlimited depth of openings
• 6x larger opening tree with game statistics
• Database of top 100+ grandmasters' repertoires
• Powerful chess engine analysis
• Import openings in PGN format

What's New in the Latest Version 1.21.1

Last updated on Jun 27, 2024, the training screen has been improved:

• Final training score no longer hides the chessboard
• Share/export games and positions during training
• Toggle comments
• and more while keeping the training screen clean and focused