Sean Mcdonald

Career: 55.53 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
Fall 2025	Hough High School	-0.39		25.36	75.00	2 of 6	9	Team page
Spring 2025	Hough High School	-0.40		19.15	83.33	1 of 3	9	Team page

Regatta	Role	Div	Races	Avg	Rating
Fall 2025 Team page Season
North Points #1 (JV/Composite)	Crew	B	9	4.4	+0.54
Spring 2025 Team page Season
SAISA North Points 6 JV/Comp	Crew	A, B	7	7.6	-0.17
SAISA North Points 7 JV	Crew	B	2	8.5	-0.12

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.