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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 Game

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Forsyth-Edwards Notation

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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 source code of the script Forsyth-Edwards Notation online. Except explicit open source licence (indicated Creative Commons / free), any algorithm, applet, snippet, software (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any function (convert, solve, decrypt, encrypt, decipher, cipher, decode, code, translate) written in any informatic langauge (PHP, Java, C#, Python, Javascript, Matlab, etc.) which dCode owns rights will not be given for free. To download the online Forsyth-Edwards Notation script for offline use on PC, iPhone or Android, ask for price quote on contact page !

Questions / Comments


Team dCode likes feedback and relevant comments; to get an answer give an email (not published). It is thanks to you that dCode has the best Forsyth-Edwards Notation tool. Thank you.


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