PGN has been a phenomenal success; almost all chess software supports the format, allowing games to be, for instance, recorded in one program and analysed in an

PGN has been a phenomenal success; almost all chess software supports the format, allowing games to be, for instance, recorded in one program and analysed in another. I also wonder if PGN was the 'nail in the coffin' for the (somewhat bizarre) 'descriptive' chess notation, which was popular in the USA until very recently.