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Official KHSAA RPI Rankings (11/7)

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8 hours ago, Voice of Reason said:

Record is not a factor in RPI winning percentage. If a team wins a game, they multiply 1 by the same game value factor if the team they beat is 0-10 or if the team is 10-0. Record does not matter. The game value factor is based only on what class each team plays in. Here is the factor list for the classes for football:

  • 1A = 1.323
  • 2A = 1.521
  • 3A = 1.749
  • 4A = 2.011
  • 5A = 2.313
  • 6A = 2.660

For a 2A team, you always use 1.521. Then you divide the class factor of the opponent by your class factor. If the 2A team plays a 6A team, divide 2.660 by 1.521 and the game value is 1.748. If the 2A team wins, they multiply that game value by 1 and the winning percentage factor for that win is 1.748. The record of the opponent is not involved in that calculation at all. 

Here is the link to the KHSAA detailed explanation of RPI calculation:

https://khsaa.org/resources/RPI/rpiexample2018fbapb.pdf

If you lose, you get a zero in the winning percentage column.

 

Your win percentage is worth 35%. Your opponents win percentage is worth 35%. Your opponents opponents win percentage is worth 30%. It may not factor into your win percentage, but the record of your opponents is worth just as much.

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  • Beat a 1-win Scott team, winless 1A Bellevue, and another 1A team in Newport Central Catholic. For a 4A school those are not good for the mathematical formula.

  • Voice of Reason
    Voice of Reason

    Yes but the biggest weakness in KHSAA RPI is the too low impact strength of schedule has. This is lengthy but it will explain the weakness of RPI and how strength of schedule is very discounted by RPI

  • West Carter also appears to be a potential big winner in all of this. Provided they keep winning they’d never have a playoff road game. 

2 hours ago, snakesnot_2000 said:

Beechwood would certainly be favored but playing at Mayfield at least gives the Cards a punchers chance.

The streak has to end sooner or later. 

3 hours ago, Pacman69 said:

Your win percentage is worth 35%. Your opponents win percentage is worth 35%. Your opponents opponents win percentage is worth 30%. It may not factor into your win percentage, but the record of your opponents is worth just as much.

Yes but the biggest weakness in KHSAA RPI is the too low impact strength of schedule has. This is lengthy but it will explain the weakness of RPI and how strength of schedule is very discounted by RPI. You are most interested in 2A so let's look there, I will use calpreps.com numbers for strength of schedule. In parenthesis is where that SOS ranks in 2A:

1. Lexington Christian Academy. 74357 ................ SOS 13.6  (#1)

2. West Carter .68421.............................................. SOS  -17.8 (#14)

3. Mayfield .67770.................................................... SOS -11.4 (#6)

4. Beechwood .67171.............................................. SOS  2.2 (#3)

5. Somerset .63045 ................................................. SOS  3.2 (#2)

6. Hancock County .62305 ..................................... SOS -16.2 (#9)

7. Danville .60310 .................................................... SOS  1.7 (#4)

8. Middlesboro .59894 ............................................. SOS -27.5 (#26 Yes, that's right #26 in SOS)

9. Murray .59584 ...................................................... SOS -10.6 (#5)

10. Shelby Valley .58927.......................................... SOS -32.2 (#28) 

 

Here are the 2A rankings by SOS:

1. LCA ..............13.6

2. Somerset...... 3.2

3. Beechwood ...2.2

4. Danville ........ 1.7

5. Murray ......... -10.6 (notice, pretty big gap here from #4)

6. Mayfield ...... -11.4

7. Owensboro Cath. ... -12

8. Caldwell Co. .... -13.2

9. Hancock Co. ...... -16.2

9 (T) Newport ....... -16.2

11. Washington Co. ... -17.2

12. Cov. Holy Cross ... -17.4

13. Leslie Co. ............ -17.5

14. West Carter ........ -17.8

I won't list the rest. You can see in the KHSAA RPI top 10 there are big discrepancies in ranking versus SOS. West Carter is #2 in RPI and #14 in SOS. Middlesboro and Shelby Valley are top 10 in the RPI and 26 and 28 respectively in SOS. This is the biggest problem with RPI. Getting wins over bad teams and especially bad teams in the classes above you are overweighted to the detriment of SOS.

When I look at what might happen in a game, I put more weight on SOS than a team's won loss record. Won loss record is important because just playing tough teams doesn't tell us anything either. A team has to get a win over some good teams at some point to prove their standing. I look at a team's won loss record, then I look at who they beat, who they lost to and what the scores were in those games. Here is a recent example. Newport Catholic came into their game against Beechwood undefeated and ranked #5 in 1A. Beechwood had 2 losses going into that game. When I looked at the SOS for those two teams, it was clear to me that Beechwood would blow out New Cath. New Cath had played one of the weakest schedules in the state in getting to their 6-0 record and Beechwood's SOS was strong. So I look at wins and losses but then I adjust up or down based on SOS. I have seen games where I expected a 3-6 team to easily beat a 7-3 team because of the SOS of those teams.

2 hours ago, Voice of Reason said:

Yes but the biggest weakness in KHSAA RPI is the too low impact strength of schedule has. This is lengthy but it will explain the weakness of RPI and how strength of schedule is very discounted by RPI. You are most interested in 2A so let's look there, I will use calpreps.com numbers for strength of schedule. In parenthesis is where that SOS ranks in 2A:

1. Lexington Christian Academy. 74357 ................ SOS 13.6  (#1)

2. West Carter .68421.............................................. SOS  -17.8 (#14)

3. Mayfield .67770.................................................... SOS -11.4 (#6)

4. Beechwood .67171.............................................. SOS  2.2 (#3)

5. Somerset .63045 ................................................. SOS  3.2 (#2)

6. Hancock County .62305 ..................................... SOS -16.2 (#9)

7. Danville .60310 .................................................... SOS  1.7 (#4)

8. Middlesboro .59894 ............................................. SOS -27.5 (#26 Yes, that's right #26 in SOS)

9. Murray .59584 ...................................................... SOS -10.6 (#5)

10. Shelby Valley .58927.......................................... SOS -32.2 (#28) 

 

Here are the 2A rankings by SOS:

1. LCA ..............13.6

2. Somerset...... 3.2

3. Beechwood ...2.2

4. Danville ........ 1.7

5. Murray ......... -10.6 (notice, pretty big gap here from #4)

6. Mayfield ...... -11.4

7. Owensboro Cath. ... -12

8. Caldwell Co. .... -13.2

9. Hancock Co. ...... -16.2

9 (T) Newport ....... -16.2

11. Washington Co. ... -17.2

12. Cov. Holy Cross ... -17.4

13. Leslie Co. ............ -17.5

14. West Carter ........ -17.8

I won't list the rest. You can see in the KHSAA RPI top 10 there are big discrepancies in ranking versus SOS. West Carter is #2 in RPI and #14 in SOS. Middlesboro and Shelby Valley are top 10 in the RPI and 26 and 28 respectively in SOS. This is the biggest problem with RPI. Getting wins over bad teams and especially bad teams in the classes above you are overweighted to the detriment of SOS.

When I look at what might happen in a game, I put more weight on SOS than a team's won loss record. Won loss record is important because just playing tough teams doesn't tell us anything either. A team has to get a win over some good teams at some point to prove their standing. I look at a team's won loss record, then I look at who they beat, who they lost to and what the scores were in those games. Here is a recent example. Newport Catholic came into their game against Beechwood undefeated and ranked #5 in 1A. Beechwood had 2 losses going into that game. When I looked at the SOS for those two teams, it was clear to me that Beechwood would blow out New Cath. New Cath had played one of the weakest schedules in the state in getting to their 6-0 record and Beechwood's SOS was strong. So I look at wins and losses but then I adjust up or down based on SOS. I have seen games where I expected a 3-6 team to easily beat a 7-3 team because of the SOS of those teams.

To me, the only issue with the RPI is using the multiplier for wins over teams in bigger classes like you said. Everything else I like. 

1 hour ago, Pacman69 said:

To me, the only issue with the RPI is using the multiplier for wins over teams in bigger classes like you said. Everything else I like. 

Agree with you on the bigger class multiplier being a problem.

However, I say strength of schedule is not a big enough factor. 

I don't think the way they do RPI is a good way to determine seeding but I'm not that versed on how to make it better and I do believe there is a better way.

5 hours ago, Jason Bucklen said:

The streak has to end sooner or later. 

It will and this would be a good year.

I heard that Bourbon Co. was not going to play in the playoffs.  So would that mean Anderson Co. would be the #3 seed and play Lexington Cath. and Boyle getting a bye the first round of the playoffs?  If so, that means Boyle will have 2 weeks off.  

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