Awesome

<chess-board>

A web component for displaying chess positions.

Demo

Check it live.

Usage

Import Web Components' polyfill:

<script src="//cdnjs.cloudflare.com/ajax/libs/webcomponentsjs/0.7.21/webcomponents.min.js"></script>

Import Custom Element:

<link rel="import" href="/bower_components/chess-board/dist/chess-board.html">

Start using it!

<chess-board>rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1</chess-board>

Options

Attribute	Description
`unicode`	Display chess pices with unicode characters.
`frame`	Display file and rank arround the chessboard
`reverse`	Display the chessboard with black pieces at the bottom.

Methods

put()

Put the white queen on the a4 square

var board = new ChessBoard();
board.put("a4", "Q");

set a4 square empty

var board = new ChessBoard();
board.put("a4", "");

move()

move a piece from a4 to a1

var board = new ChessBoard();
board.move("a4", "a1");

The pieces are defined as in Forsyth–Edwards Notation

P // ♙ white pawn
N // ♘ white knight
B // ♗ white bishop
R // ♖ white rook
Q // ♕ white queen
K // ♔ white king

p // ♟ black pawn
n // ♞ black knight
b // ♝ black bishop
r // ♜ black rook
q // ♛ black queen
k // ♚ black king

clearBoard()

var board = new ChessBoard();
board.clearBoard();

setting board position

var board = new ChessBoard();
board.fen = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR";

getting board position

var board = new ChessBoard();
board.fen = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR";
board.move("a2", "a3");

var currentFen = board.fen;