This is a great write-up and is exactly the reason that ChessBoard is "just a board". Proper PGN parsing and legal move validation is a complex and independent

This is a great write-up and is exactly the reason that ChessBoard is "just a board". Proper PGN parsing and legal move validation is a complex and independent problem that nicely fits into it's own library and should be separate from any display logic. For example: https://github.com/jhlywa/chess.js https://github.com/jhlywa/chess.js