FEN (.fen)
As of Version 13.3, "FEN" has been superseded by the Wolfram/Chess paclet in the Wolfram Paclet Repository.
Background & Context
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- Standard notation for describing positions of a chess game.
- FEN is an acronym for Forsyth–Edwards Notation.
- A single FEN string describes one state of the chess game.
- A FEN file often stores a number of positions described with a FEN string.
- ASCII format.
- First developed by Scottish journalist David Forsyth; later extended by Steven J. Edwards.
- FEN strings are used in PGN files to describe the initial position of a game.
Import & Export
- Import["file.fen"] imports a FEN file, returning graphics showing the positions.
- Import["file.fen",elements] imports the specified elements.
- See the following reference pages for full general information:
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Import import from a file CloudImport import from a cloud object ImportString import from a string ImportByteArray import from a byte array
Import Elements
- General Import elements:
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"Elements" list of elements and options available in this file "Summary" summary of the file "Rules" list of rules for all available elements - Game elements:
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"ActivePlayer" player who moves next "FENStrings" FEN string for the move "MoveNumber" the move number of the game "PositionRendering" a Graphics rendering of the position - Import by default uses the "PositionRendering" element for the FEN format.
- Move numbers should not necessarily correspond to the actual number of the move in the game. Typically, 0 means an unknown move number.
- Overall file element:
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"PositionCount" number of positions stored in the file
