It’s time, once again, to release the first edition of the college football Simple Rating System ratings. While it’s too early to put too much weight on these ratings, they help to at least begin framing the discussion of which are the most impressive teams in college football. As a reminder, here is the methodology:
1) For each game not played at a neutral site, 3 points are given to the road team. After that adjustment, all wins and losses of between 7 and 24 points are recorded exactly as such. This means that a 24-10 road win goes down as +17 for the road team, -17 for the home team.
2) With one exception, wins of 7 or fewer points are scored as 7-point wins and losses of 7 or fewer points are scored as 7 point losses. So a 4-point home win goes down as +7 (and not a 1) and a 1-point home loss is a -7 (and not a -4). The one exception is that road losses of 3 or fewer (and home wins of 3 or fewer) are graded as ties. So a 21-20 home victory goes down as a 0 for both teams.
3) Wins/Losses of more than 24 points are scored as the average between the actual number and 24. This is to avoid giving undue credit to teams that run up the score. So a 75-point home win goes down as a 48-point win.
Once we have a rating for each team in each game, we then adjust each result for strength of schedule. This is an iterative process, where we adjust the ratings hundreds of times (to adjust for SOS, you have to adjust for the SOS of each opponent, and the SOS of each opponent’s opponent, and so on.) in Excel. Then we produce final ratings, where the SRS rating is the sum of the Margin of Victory and Strength of Schedule in every week.
After six weeks, what are the results? As usual, the table is fully searchable (type “-0” for example, to see a list of undefeated teams, SEC to see all SEC teams, or ACC-Coas if you really want to see how the ACC Coastal is doing). Right now, the number one team is — wait for it — Alabama! Are you shocked? This time last year, Alabama was also the #1 team in the SRS; Ohio State, Georgia, Penn State, and Clemson rounded out the top 5.
Below are the ratings for all 130 FBS teams. As always thanks to Dr. Peter R. Wolfe for providing the weekly game logs.
Some housekeeping items: Liberty has moved from the FCS and now counts as an FBS independent. Meanwhile, Idaho moved down from the Sun Belt to the FCS. Also leaving the Sun Belt is New Mexico State; the Aggies are now an Independent.
Below are the game results from week 6: Clemson was the dominant team of the week in terms of SRS, but from an SOS perspective, the big wins were Texas over Oklahoma, Texas A&M over Kentucky, and Florida over LSU.
That’s all for this week.
