简要介绍

Features

- Chess opening tree with game statistics - The Encyclopedia of Chess Openings (ECO) - Compare ECO and opening tree moves side by side in any position - Export chess openings in PGN format - Build your own opening repertoire - Add or edit comments on moves - Automatically classify any sequence of moves using the ECO system - Chess opening explorer highlights moves already in your repertoire - Chess database includes all transpositions - Interactive trainer to memorize your chess openings and variations - Train multiple variations at once against random opponent moves from your repertoire - Set up a starting position for training - Track your training progress - Customize chessboard colors and chess pieces - Supports dark mode - Works completely offline Learn new openings like The Queen’s Gambit, The King’s Indian Defense, and many more!