What is Chess 960 & how do you to play it ?
To learn about Chess 960
http://www.chess.com/chessopedia/view/chess-960
For more information
http://en.wikipedia.org/wiki/Chess960
Video example of how to play Chess 960
Here is a game Hikaru Nakamura vs Levon Aronian - Chess960 World Championship 2009
I will issue a Chess 960 open challenge game on Wednesday and the match will be unrated. Chess 960 and Online chess are rated separately from each other.