版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/chessboard-js/1.0.0/chessboard-1.0.0.css
- https://cdn.bootcdn.net/ajax/libs/chessboard-js/1.0.0/chessboard-1.0.0.js
- https://cdn.bootcdn.net/ajax/libs/chessboard-js/1.0.0/chessboard-1.0.0.min.css
- https://cdn.bootcdn.net/ajax/libs/chessboard-js/1.0.0/chessboard-1.0.0.min.js