http://www.chess.com/tournaments/help.html#tiebreak
That should answer your questions. If you're still unclear, feel free to ask, and I (or someone) will try to clarify further.
Tie Break Score
Sort:
Most Recent
Forum Legend
Following
New Comments
Locked Topic
Pinned Topic
I just want to know how the tie break works in a tournament. I'm in the Ruy Lopez Tournament and can see some people have drawn and have a tie break score next to them..what is this score, how is it calculated? is it a whole new game you play?