Julia Biderman

Career: 88.24 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 2024	Torrey Pines High School	-0.74		15.69	50.00	2 of 3	12	Team page
Spring 2024	Torrey Pines High School	-0.09		30.12	83.33	1 of 3	26	Team page

Regatta	Role	Div	Races	Avg	Rating
Fall 2024 Team page Season
2024-25 PCISA SoCal 3 Silver	Crew	A	7	5.7	+0.61
2024-25 PCISA SoCal 2 Silver	Crew	A	5	16.8	-0.10
Spring 2024 Team page Season
2023-24 PCISA SoCal 5 Silver	Crew	A	17	3.2	+1.79
2023-24 PCISA SoCal 4 Silver	Crew	A	9	14.9	-0.54

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.