Bradley Kosoff

Career: 87.65 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 2026	Corona del Mar High School	2.53		92.51	78.57	2 of 7	25	Team page
Fall 2025	Corona del Mar High School	2.62		95.82	87.50	2 of 12	14	Team page

Regatta	Role	Div	Races	Avg	Rating
Spring 2026 Team page Season
2026 PCISA Golden Bear Gold	Crew	B	6	16.7	-0.03
2026 PCISA Gaucho Gold	Crew	A	4	21.5	+0.09
2025-26 PCISA SoCal 5 Gold	Crew	A	15	8.3	+0.46
Fall 2025 Team page Season
PCISA ISSA National All Girls Invitational	Crew	B	5	2.2	+0.48
2025-26 PCISA SoCal 1 Gold	Crew	A	9	4.4	+0.21

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.