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Package chess
Short Description PHP library for reading and editing FEN and PGN chess formats.
License MIT
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Informations about the package chess
onspli/chess
PHP library for reading and editing FEN and PGN chess formats.
Features
FEN class
- load FEN representing chess position (standard or Shredder-FEN)
- read and modify all FEN fields
- export FEN
- read and set piece placement
- get or set piece on any square
- test position for check, mate, stalemate
- test position for fifty-move rule
- perform move in given position
- test if move is legal in given position
- list all legal moves in given position
- supports Fisher's random (Chess960)
PGN class
- load PGN representing chess game
- read and set all tag pairs (PGN headers)
- export PGN
- read and add moves
- get FEN position after any move
- supports Fisher's random (Chess960)
Installation
Install with composer:
Usage
Read complete auto-generated documentation or learn from the following examples.
Setup chess board to starting position and read FEN fields.
Initialize custom position and read FEN fields.
Manipulate with pieces.
Each of the fields can be set with the corresponding setter:
Perform moves:
Test check, mate, stalemate:
List all possible moves:
Load game in PGN notation and read tags and moves:
Record new moves, add tags and export PGN:
Extract position after certain move:
FEN is returned as string by default. Passing parameter $as_object = true makes it FEN object:
PGN with custom initial position:
