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Sprague Holds Off West Salem 29-21

| October 3,2015

Sprague Holds Off West Salem 29-21

  Young Oly D "Grows Up", and Anthony Nunn Tramples Titans   Salem - Sprague used West Salem turnovers early to get in position to have Anthony Nunn, left, stomp West Salem into the turf, and another late, and the Olympians held off the visiting Titans for a 29-21 win Friday night.     Sprague seized...

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2015 Premature Playoff Predictions, Week 4

Jeff Drumm | September 30,2015

Hi. I'm Jeff. I do spreadsheets. Not for a living, or anything, but...well, I just do.   With 4 weeks left in the regular season, I'm back to make a stab at the following question:  So, where we playing in the playoffs?   Here's what I did.   I used the website www.calpreps.com to semi-educatedly guess...

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North Marion Makes Swiss Cheese Out Of Tillamook

Neil Forste | September 18,2015

Huskies Roll To 30 Point Win In Home Opener   Aurora - The North Marion Huskies came back home looking to get into the win column, and that is exactly what they did as they cruised to a 37-7 victory over The Tillamook Cheese Makers. After visiting two of the top programs in...

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You are here: Home Girls Water Polo Menu / Archives Other FAQs What is the SOS Rating?

Girls Water Polo Menu / Archives

What is the SOS Rating?

The strength of schedule (SOS) rating is very closely related to the RPI rating.  This will explain just how close.

The SOS rating is a weighted calculation that combines 2/3 of your opponents' winning percentage and 1/3 of your opponents' opponents' winning percentage.  For the RPI calculation, you use this same 2-to-1 ratio and combine it with a team's actual record against their opponents.  The final RPI ratio is 1 part your team's record, 2 parts your opponents' record, and 1 part your opponents' opponents' record.

Essentially, the SOS rating determines how strong your opponents are and the RPI rating factors in how you fared against those opponents.  For details on how to calculate these figures, see the article that explains the RPI ratings page.

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