Chess Buddy is a chess PGN reader and also allows chess practices with your friend or casual games against the PC. If you just started learning chess or having a new chess player in your family, this is a good tool to you. You can find more information about PGN on Wikipedia: http://en.wikipedia.org/wiki/Portable_Game_Notation. You should be able to find PGN files on the Internet for many games by great chess players today and from the past. You can also manually analyze the games in your collection with your own variations. Have fun! Privacy statement: The app doesn't collect any Personal Identifiable Information (PII) from your computer.