Liam Mcarthur

Career: 92.42 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 2025	JSerra Catholic High School	0.32		39.17	50.00	2 of 3	17	–

Regatta	Role	Div	Races	Avg	Rating
Spring 2025 Season
2024-25 PCISA SoCal 4 Gold	Crew	A	17	7.4	+0.80
Fall 2024 Season
2024-25 PCISA SoCal 1 Silver	Crew	A	8	10.5	+0.06
2024-25 PCISA SoCal 2 Silver	Crew	A	5	1.6	+0.63

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.