Sean Morrison

Career: 42.90 percentile of ICSA crews

▲ 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	Winchester High School	0.67		31.03	41.67	4 of 6	9	–

Regatta	Role	Div	Races	Avg	Rating
Spring 2023 Season
O'Day Qualifier - Hyannis, MA	Crew	B	4	10.2	—
Merc Silver - 2023 Zimba MBL Championship	Crew	A	5	5.2	—
Spring 2022 Season
O'Day Qualifier @Milton/BCH	Crew	A	8	5.5	—
MBL Team Race Tournament	Crew	TR	8	50%	—
MA High School State Champs	Crew	A	14	4.4	—
Donald Greene Regatta	Crew	A	4	3.8	—

League	Name	School	Year
ICSA	Sean Morrison	Salve Regina University	'27
ISSA	Sean Morrison	Sharon High School	'22

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.