Strength of schedule is calculated from the opponents projected fantasy points allowed for the DB position. The best rating is +16 which gives the player the advantage against the defense and indicates an easy opponent, the worst rating is -16 which gives the defense the advantage and indicates a tough opponent.
Week 14 Projections
For the second straight season, Charles "Peanut" Tillman was fantasy football's top defensive back in 2012, propelled to that spot by an eye-popping 10 forced fumbles. It may not be reasonable to expect that sort of big play production in 2013, but Tillman showed with 99 total tackles in 2011 that's he capable of producing big IDP numbers in multiple ways.