LotharTeichert

FEN tag support

2

I added the interpretation of a FEN tag in load_pgn, because I would like to use chess.js as a simple PGN Parser with chessboard.js as the display, e. g. for...

validFen

2

Hi, I found an open TODO in the code (replace validFen with a single regex). Here is my solution: ``` function validFen(fen) { if (typeof fen !== 'string') return false;...