Delving into the world of chess, mastering openings is crucial for any player looking to sharpen their skills. With our comprehensive tool, you can explore chess openings, build your own repertoire, and train the opening variations effectively. Whether you're interested in The Queen's Gambit, The King's Indian Defense, or any other opening, our platform is designed to enhance your understanding and proficiency.

Features

• Chess Opening Tree with Game Statistics: Dive into detailed statistics to understand the effectiveness of various moves.
• The Encyclopedia of Chess Openings (ECO): Access a vast database of openings categorized by the ECO system.
• Compare ECO and Opening Tree Moves: View ECO and opening tree moves side by side in any position for a comprehensive analysis.
• Export Chess Openings in PGN Format: Easily share or store your openings in the universal PGN format.
• Build Your Own Opening Repertoire: Customize and save your preferred opening lines for quick reference.
• Add or Edit Comments on Moves: Enhance your learning by annotating moves with personal insights or notes.
• Automatic Classification Using the ECO System: Let the system categorize any sequence of moves for you.
• Chess Opening Explorer Highlights Moves in Your Repertoire: Quickly identify moves you've already mastered.
• Chess Database Includes All Transpositions: Gain a deeper understanding with a database that covers all possible move orders.
• Interactive Trainer: Memorize your chess openings and variations through interactive training sessions.
• Train Multiple Variations at Once: Practice multiple lines against random opponent moves from your repertoire.
• Set Up a Starting Position for Training: Begin your training from any position to focus on specific scenarios.
• Track Your Training Progress: Monitor your improvement and see your stats over time.
• Customize Chessboard Colors and Chess Pieces: Tailor the visual experience to your preference.
• Supports Dark Mode: Enjoy a comfortable viewing experience in low-light conditions.
• Works Completely Offline: No internet required, perfect for training on the go.

CHESS OPENING EXPLORER

Search through the Encyclopedia of Chess Openings or browse the chess opening tree effortlessly. With intuitive swipe controls, you can switch between different exploration features in any position, making it easy to find the information you need.

BUILD YOUR OPENING REPERTOIRE

Utilize the chess opening explorer to add your favorite opening lines to your repertoire. You have full control to edit the names of your openings and organize them as you see fit, ensuring your strategy is always at your fingertips.

OPENING TRAINER

Our opening trainer provides a simple yet efficient method to memorize variations of openings in your repertoire. Whether you're focusing on white's or black's moves, or training both, you can practice multiple variations simultaneously. The trainer randomly selects opponent moves from your repertoire, offering a realistic training experience. Plus, Chess Opener tracks your progress, displaying detailed stats to help you see your improvement over time.

Upgrade to Chess Opener PRO

Unlock even more powerful 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 latest version brings significant improvements to the training screen:

• Final training score no longer hides the chessboard
• Ability to share/export games and positions during training
• Option to toggle comments
• Enhanced focus and cleanliness of the training screen