pgn), play through games on a stunningly rendered board, watch ChessBase training videos and much more. With the free ChessBase reader, you can open all standard file formats (.cbh. Field tested by over 20 000 developers worldwide and has more than 25 000 000 deployments. Tarrasch is an extremely easy to use free chess program for Windows. The new ChessBase Reader conveniently displays all installed databases and training titles - with a modern menu ribbon look. It is an extremely powerful, lightweight and secure RDBMS. Large PGN databases are indexed keeping persistent index files (.cxi) for faster re-opening and search. Raima Database Manager is an embedded time series database for IoT and Edge devices that can run in-memory.

The concrete classes MemoryDatabase and PgnDatabase, derived from Database, implement the interface for PGN file based databases.

A document window represents a game, and consists of a board window with configurable notation pane, game list of the current database, opening tree and ECO panes, up to two analyze panes, and a database list window.ĬhessX has an abstract Database C++ class, providing a common interface with methods for loading and saving of games, and for performing searches and queries. The ChessX GUI implements a tabbed document interface, the frame-window with caption, menu- and toolbars, and status bar at the bottom.

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