Graham Friesner

Career: 4.30 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
Spring 2025	Christchurch School	0.18		34.37	2.94	17 of 17	10	Team page
Fall 2022	Christchurch School	0.76		63.67	3.57	14 of 14	8	Team page

Regatta	Role	Div	Races	Avg	Rating
Spring 2025 Team page Season
VISA Christchurch Parents Weekend Fleet Regatta	Crew	B	6	8.7	-0.15
VISA CCS Fleet Regatta 1	Crew	B	4	15.2	-1.19
Fall 2022 Team page Season
VISA State Fleet Race Championship	Crew	A	6	19.2	-0.05
VISA Catholic JV Fleet Race Regatta	Crew	A	2	13.0	-0.10

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.