Liam Petras

Career: 47.95 percentile of ICSA crews (limited evidence)

▲ boats did better with this crew than with the skipper's usual crews▼ worseArrow length = size of the push, in rating points

Season	Team	Rating	Range	League percentile	Team percentile	On team	Races	Team page
Spring 2023	Ballard High School	1.00		62.45	64.29	3 of 7	8	Team page

Regatta	Role	Div	Races	Avg	Rating
Spring 2023 Team page Season
RR#3 Silver	Crew	B	7	8.9	+0.07
NWISA Open Fleet Race Championships	Crew	A	6	11.7	+0.30
Fall 2022 Team page Season
Pontiac Bay Regional Regatta (South Regional)	Skipper	A	6	25.2	-3.87
Cascadia Cup Gold High School	Crew	B	2	12.0	-0.28

Short write-ups of what the ratings and results show, with the numbers and how they were computed.

How do skipper ratings work?A log-strength fitted to every race at once, smoothed week to week.
What a rating point is worthA one-point edge is a 73% chance to beat another boat in a race; two points is 88%.
How does a crew rating work?A crew rating is small and uncertain; a worked example on one roster.