However, many amateur players do not own such a program, but still want to annotate the occasional game. All professional players use a program like Chessbase to manage their game databases, and that is indeed a great tool. The most universal file format for these purposes is called PGN. Those who do this will sometimes want to share their work with others, or just save it for future reference. Kd8 13.Qxf8+ Kd7 14.Qf7+ Kd8 15.d4 exd4 16.Qf8+ Kd7 17.Qxh6 Kd8 18.One of the keys to chess improvement is the habit to analyse your own games (see image, published by Chessbase). Am I missing something?Ĭode: Var f As FolderItem = FolderItem.ShowOpenFileDialog("PGN") I tried your regex with the following file (a valid pgn file with just one game), using the code below, but it does not work. So while it is certainly possible to read the file from left to right, careless comments could easily cause you problems. Since the comment could contain numbers, dots, or semicolons… yikes… Inside which you get 2 algebraic notations, which MIGHT be side by side. Trying to brute force this file needs you to look for successive numbers followed by a dot, to indicate move groupings. Its probably quite old… JSON or XML would meet these needs so much better by keeping data types separate… comments would be an optional attribute of a move, for example. Moves are recorded in algebraic notation, and comments can be inserted after a “ ” symbol or between parentheses or curly brackets. Its not a very robust file format… comments can occur anywhere and have a number of indicators
“Usually, the PGN contains one entire game, but it can also record just a fraction of a game.”
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