Football’s RPI standings are updated through Week 5
Check out the latest RPI standings for football, which have been updated through Week 5 games.
Archive for the ‘RPI’ Category
Football’s RPI standings are posted; part of the seeding criteria for postseason
(Lance Wendt/wendt5280.com)
The football RPI standings have been posted for the first time in the fall 2020 season.
Find them here:
This ranking system is part of the broader seeding criteria that will help determine the football playoff field, as well as the seeding of that field.
The CHSAA Seeding Index has four parts: the RPI, the MaxPreps rankings, the Packard rankings, and the CHSAANow coaches poll.
For more information about the RPI system can be found on the FAQ page.
Check the latest RPI standings for softball
Browse the latest RPI standings for softball in all classes for the 2020 season.
Check the latest RPI standings for fall sports
All fall sports RPI standings have been updated on Sunday. Browse the standings for boys soccer, field hockey, football, softball and volleyball.
Initial run of fall sports RPI standings are posted
The initial run of the 2018 fall sports CHSAA RPI standings are now posted.
Outlying schools to benefit from new out-of-state opponents calculation in the RPI
(Renee Patridge/reneepatridgephoto.com)
AURORA — The RPI calculation for out-of-state opponents from select states is being adjusted this season.
For the past three seasons, out-of-state opponents have had their opponents’ opponents’ winning percentage (OWP) fixed at .500. This was because accurate data could not be verified for what would amount to tens of thousands of out-of-state teams.
However, in an effort to support schools with transportation challenges — especially those close to the borders of neighboring states — opponents from the following states will have the same calculation as in-state teams:
- Arizona
- Nebraska
- New Mexico
- Utah
- Wyoming
This means that opponents from those states will be given their true value in the OWP calculation.
“It gives our member schools in outlying communities an opportunity to play teams from neighboring states without the perception that they are being penalized due to their geography,” said CHSAA commissioner Rhonda Blanford-Green. “This will hopefully decrease the loss of school time and additional finances that are often associated with large amounts of travel.”
The reason for this change is that each of the above states are MaxPreps partner states, which will ensure accurate reporting of data. Accurate date is critical to the RPI formula. Should other neighboring states become a MaxPreps partner, they will also be given the same calculation as an in-state team.
This change applies to all sports that use the RPI, and will be used going forward.
Additionally, the RPI formula in 2018 has been slightly altered for all sports, to 30/40/30. That change happened in February following a vote of the Board of Directors.
This information, and more, is included in the RPI FAQs.
Spring sports RPI standings have been posted
(Daniel Deschane/CHSAANow.com)
The initial run of the spring sports RPI standings have been posted.
Those standings can be found on the individual sports pages:
The RPI helps to select and seed the postseason for each of those sports, with each sport having slightly different criteria.
For more information about the RPI, and to find answers to frequently asked questions, visit the FAQ section.
Initial spring sports RPI standings will post next week
(Kevin Prickett/prickettpix.com)
The RPI standings for spring sports will make their season debut next week, posting on Tuesday.
Those standings will be available on the CHSAA RPI page, as well as the individual sport pages:
Additionally, each of those pages features historical data from previous seasons.
The RPI helps to select and seed the postseason for each of those sports, with each sport having slightly different criteria.
Once posted, the feeds will update every four hours. Team-specific RPI detail will be available by clicking upon the team’s name.
For more information about the RPI, and to find answers to frequently asked questions, visit the FAQ section.
Board of Directors votes to change RPI percentage for all sports
(Ryan Casey/CHSAANow.com)
DENVER — The CHSAA Board of Directors voted to tweak the percentage used in the RPI formula for all sports on Wednesday.
It means that the formula will be weighted as follows:
- 30 percent on a team’s own winning percentage
- 40 percent on the winning percentage of a team’s opponents
- 30 percent on the winning percentage on the opponents of a team’s opponents.
This marks a change from the standard 25/50/25 formula, and will be in place for the 2018-19 season. It creates a standard formula across all sports, something that had started to change in recent seasons. Football and baseball currently use formulas that differ from other sports.
Football will continue to use a classification modifier — a 15 percent difference from class-to-class, with one exemption — but no other sport will have a modifier.
The vote came after a recommendation from the Technology Committee, which spent months researching the RPI and gathering feedback from the member schools.
The Technology Committee met several times since last August, including an in-person meeting, and several video conferences, in exploring the future of the RPI.
The Committee also commissioned a survey of CHSAA member schools asking for their input on the RPI. More than 220 schools responded. That survey showed that:
- Accuracy is the most important factor in a formula.
- Schools want more weight on their own winning percentage.
- Schools believe that RPI should be used to set postseason fields, but not to seed them.
Using this feedback as a guide, the Technology Committee then examined all the RPI data CHSAA has ever captured — including from seasons prior to its implementation in 2016.
Based upon everything it explored and feedback it received, the Technology Committee made the recommendation to move to 30/40/30 because it put more weight on a team’s winning percentage, was more accurate than other weights considered, and worked across the spectrum of sports CHSAA offers.
Technology Committee reports on its RPI recommendation
(Ryan Casey/CHSAANow.com)
AURORA — During the Legislative Council meeting on Thursday, the Technology Committee reported on their recommendation surrounding the future of the RPI formula.
The gist of that recommendation: Move away from the standard formula — 25 percent weight on a team’s own winning percentage, 50 percent on a team’s opponent’s, and 25 percent on the opponents of their opponents — to a 30/40/30 model.
The recommendation was delivered to the CHSAA Board of Directors during their meeting on Wednesday. The Board will vote on that recommendation in February.
The Technology Committee has met several times since last August, including an in-person meeting, and several video conferences, in exploring the future of the RPI. Included was a trip to visit with Erik Packard, a statistics professor at Colorado Mesa University who has his own ranking system for high school sports.
The Committee also commissioned a survey of CHSAA member schools asking for their input on the RPI. More than 220 schools responded. That survey showed that:
- Accuracy is the most important factor in a formula.
- They want more weight on their own winning percentage.
- They believe that RPI should be used to set postseason fields, but not to seed them.
Using this feedback as a guide, the Technology Committee then set out to examine all the RPI data CHSAA has ever captured — including from seasons prior to its implementation in 2016.
In order to determine which formula was most accurate, they compared a team’s ranking in the final RPI standings of the regular season to their actual performance at the state tournament.
Seven different weights were examined. Because schools had asked for more weight on their own winning percentage, they first looked at a 50/25/25 model. In every case — in every sport — that formula was the least accurate.
In the overwhelming majority of the data, the standard formula (25/50/25) was the most accurate.
A second formula was either the most or the second-most accurate formula in all sports: 30/40/30.
Ultimately, this is the formula the Technology Committee recommended to the Board on Wednesday. The recommendation is that this formula be used in all sports, which will help eliminate the confusion of separate formulas.
Worth noting: It is the most accurate formula for football, too — more accurate than the current formula (37.5/37.5/25) that is being used.
Additionally, the Technology Committee will explore what it would look like if a classification modifier were to be used in all sports.