board.html

<link rel="stylesheet" href="css/chessboard-1.0.0.min.css">
<script src="https://code.jquery.com/jquery-1.12.4.min.js"></script>
<script src="js/chessboard-1.0.0.min.js"></script>

<div id="board" style="width: 300px"></div>

<script>
    var config = {
      pieceTheme: 'https://chessboardjs.com/img/chesspieces/wikipedia/{piece}.png',
      position: 'start'
    }
    var board = Chessboard('board', config)
    // var board = ChessBoard('board', 'start');
</script>