Isabella De'Castillo

Career: 27.05 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
Fall 2023	South River High School	-0.75		15.31	12.50	4 of 4	12	Team page
Fall 2022	South River High School	-0.50		16.55	16.67	3 of 3	27	Team page

Regatta	Role	Div	Races	Avg	Rating
Fall 2023 Team page Season
MDISA Tier 1 at SCC	Crew	A	6	8.0	+0.40
MDISA Fleet Race (South)	Crew	A	3	11.7	-0.04
MDISA Fleet Qualifier - Fall '23	Skipper	A	5	15.6	-2.84
MDISA Gunston Fall '23 T3	Skipper	A	5	9.2	-0.36
Fall 2022 Team page Season
MDISA SSPP Varsity Regatta	Crew	B	2	6.0	+0.16
MDISA SSA Fleet Race	Crew	A	6	15.7	-0.49
MDISA SCC Tier 2	Crew	A	8	9.9	-0.50
Gunston Fall '22 T3	Crew	A	4	2.8	+0.36
MDISA BCSC Tier 3/Bronze Regatta #1	Crew	A	7	12.9	-0.33

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.