IP TV (PGN), or bookmark, portable, game, a format, computer written simple is that to help it. the game of chess to save work, and more Program, computer chess, from its support.

This extension, the first time in 1993, acquires, Steven Jay. Edwards was built and in the newsgroup rec.games.chess on Usenet was used and became popular.

the structure of the wake of a Muslim is simple to read and write it for humans and scrolling and reproducing it for the computer simple. Move with the same notation algebraic chess can be displayed and the file name extension, make sure it pgn.