Chess Opener PRO

The Chess Opener app is a comprehensive tool for chess players of all levels, offering a variety of features to improve their game. The app includes a chess opening tree with game statistics, as well as the Encyclopedia of Chess Openings (ECO) and a database of top 100+ grandmasters' repertoires. Users can also utilize the Stockfish chess engine analysis to compare ECO, opening tree, and engine moves side by side in any position.

One of the key features of the app is the ability to import and export chess openings in PGN format, allowing users to easily access and share their favorite openings. Users can also build their own opening repertoire within the app, adding or editing comments on moves as they see fit. The app also offers the unique feature of automatically classifying any sequence of moves using the ECO system, making it easier for users to navigate and understand different openings.

The Chess Opener app also includes an interactive trainer to help users memorize their chosen openings and variations. Users can train multiple variations at once against random opponent moves from their repertoire, and track their progress over time. The app also allows users to customize the chessboard colors and pieces, and even supports a dark mode for easier viewing.

One of the standout features of the app is its offline functionality, meaning users can access all of its features without an internet connection. This makes it a convenient and reliable tool for chess players on the go. Additionally, the app is completely ad-free, providing a seamless and distraction-free experience for users.

The Chess Opener app also includes a powerful Chess Opening Explorer, allowing users to search the Encyclopedia of Chess Openings, browse the chess opening tree, and explore the opening repertoires of famous chess grandmasters. Users can also ask the chess engine to find the best moves, making it a valuable resource for players looking to improve their game. With its user-friendly interface and comprehensive features, the Chess Opener app is a must-have for any chess enthusiast looking to enhance their skills and knowledge of the game.