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Forsyth-Edwards Notation

Tool to display / translate a Forsyth-Edwards notation (FEN) of a chess game. The line notation FEN allows to describe any position of a chess game.

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Forsyth-Edwards Notation -

Tag(s) : Notation System, Board Games

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Forsyth-Edwards Notation

FEN Reader


See also: Chess Notations

Tool to display / translate a Forsyth-Edwards notation (FEN) of a chess game. The line notation FEN allows to describe any position of a chess game.

Answers to Questions

How does FEN notation work?

The FEN notation uses a single line to describe the contents of each box of the box in rows from top to bottom (seen from the white side). The characters describing the parts ar:

KWhite KingkBlack King
QWhite QueenqBlack Queen
RWhite RookrBlack Rook
BWhite BishopbBlack Bishop
NWhite KnightnBlack Knight
PWhite PawnpBlack Pawn
1-81 to 8 empty boxes

Example: The starting position of a chess board is: rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR

The chessboard description is completed with 5 informations:

w or bIndicates the next player (w = white, b = black)
KQkqIndicates possible castling. K and / or Q for black castle respectively coded King or Queen and likewise k and / or q for the white castle
- or coordinateCoordinates of a possible case of taking en passant
0 to 50Number of moves since last catch
1 to 999Move number

What does FEN stand for?

FEN is the acronym for Forsyth-Edwards Notation, named after David Forsyth, a Scottish journalist who invented this notation and Steven Edwards who adapted it to make it unambiguous and compatible with computers.

Source code

dCode retains ownership of the online 'Forsyth-Edwards Notation' tool source code. Except explicit open source licence (indicated CC / Creative Commons / free), any algorithm, applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any function (convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (PHP, Java, C#, Python, Javascript, Matlab, etc.) no data, script or API access will be for free, same for Forsyth-Edwards Notation download for offline use on PC, tablet, iPhone or Android !

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Please, check our community Discord for help requests!

Questions / Comments

Thanks to your feedback and relevant comments, dCode has developped the best Forsyth-Edwards Notation tool, so feel free to write! Thank you !


Source : https://www.dcode.fr/fen-chess-notation
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