Team Rating Score Effect W- L --------------- ------ ------- ------ ----- Southern Cal 857.1 LOSS 23-31 7- 2 Division I FBS Wisconsin 856.5 LOSS 20-24 5- 3 Division I FBS Michigan 851.3 LOSS 18-21 5- 3 Division I FBS Northwestern 849.0 LOSS 13-34 6- 2 Division I FBS >> Penn State 805.1 << 4- 4 Division I FBS Purdue 818.9 WIN 31-17 ++ 3- 5 Division I FBS Buffalo 729.2 WIN 55-13 + 5- 3 Division I FBS Marshall 728.5 WIN 45-0 + 5- 3 Division I FBS Temple 654.3 WIN 27-9 - 2- 6 Division I FBS
"Effect" ranges from "---", a game that caused a large decrease in the team rating, to "+++", a game that produced a large increase in rating.
Note that wins over very weak teams may actually hurt a team's rating (the opposite is true for losses to very good teams).