Elizabeth Tierney

Career: 68.48 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	League percentile	Team percentile	On team	Races	Team page
Spring 2024	Portland High School	1.05	64.72	87.50	1 of 4	9	Team page
Fall 2023	Portland High School	0.46	52.31	75.00	2 of 6	23	Team page
Fall 2022	Portland High School	0.75	63.53	59.09	5 of 11	11	Team page

Regatta	Role	Div	Races	Avg	Rating
Spring 2024 Team page Season
Ranger Rally	Crew	TR	9	22%	—
NESSA O'Day Qualifier - Portland, ME	Crew	B	5	4.0	+0.33
Dick Levesque Maine States	Crew	TR	20	10%	—
NESSA Girls' Championship (Herreshoff Trophy)	Crew	A	4	13.2	-0.05
Fall 2023 Team page Season
Roy Williams Invitational Regatta	Crew	B	2	12.0	+0.15
NESSA Fall FunFest (Gleekman Trophy)	Crew	A	6	16.7	-0.34
Duxbury Bay Maritime School Fall Invitational	Crew	B	5	11.6	+0.15
Casco Bay Open	Crew	B	4	5.5	+0.32
ARNOLD BROWN REGATTA	Crew	A	6	9.7	+0.17
Spring 2023 Team page Season
Herreshoff Qualifier - CBC	Crew	B	3	10.0	-0.10
Fall 2022 Team page Season
Sunday Series #1	Crew	A	2	3.5	+0.13
Ranger Stags Sunday Series	Crew	A, B	3	4.7	+0.06
Dev Team Saturday Regatta	Crew	A	6	13.7	-0.28

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.