 The Colley Matrix was one of the computer rankings used during Bowl Championship Series (BCS) system of determining national championship game participants from 2001-2014.Added in 2001, The Peter Wolfe and Wes Colley/"Atlanta Journal-Constitution" computer rankings were used in place of the "NYT" and Dunkel rankings.The change was made because the BCS wanted computer rankings that did not depend heavily on margin of victory.