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Cascade Blocks Philomath In OWL Opener

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Zavdovskyy Swats 7 Away On Way to 55-52 Upset   Philomath hadn't been beaten by anybody in state so far this season, but Cascade blocked them from the early lead in the Oregon West League race Tuesday night. Literally.   Specifically, Stephan Zavdovskyy, Cascade's 6'6" center did, blocking 3 shots in the first 3...

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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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