SGN
Keywords: Software
Smart Game Notation(SGN) is a file format for saving positions. Its main purpose is to allow making problem collections.
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Syntax
Notation starts with the top row and goes from left to right. Forward slash '/' is put at the end of each row but a hyphen '-' is used at the end of last row. If there isn't any stone on a row then nothing is written for that row except the forward slash '/'.
- Black stones: Lower case 'b' if there is only 1 black stone, upper case 'B' + the number of consecutive black stones if there is more than 1 black stone consecutively. For example, 'B-5'(with no hyphen) for 5 black stones in a row.
- White stones: Lower case 'w' if there is only 1 white stone, upper case 'W' + the number of consecutive white stones if there is more than 1 white stone consecutively. For example, 'W-5'(with no hyphen) for 5 white stones in a row.
- Empty points: The number of empty points consecutively. For example '5' for 5 empty points in a row. No letter is necessary for indicating empty points.
- The point of KO: Upper case 'K'.
- Side to play: This is written after all the board information is given. Upper case 'B' for black to play or 'W' for white to play.
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