Derick Fahnestock

Career: 26.97 percentile of ICSA crews (limited evidence)

No season rating yet: needs 8+ crewed races in a season.

Regatta	Role	Div	Races	Avg	Rating
Fall 2021 Team page Season
MDISA Silver regatta	Skipper	A	3	9.3	-0.19
Spring 2021 Team page Season
MDISA Silver at SMR	Skipper	A	4	3.5	1.58
MDISA Silver regatta at SCC	Skipper	A	5	7.0	-0.10
MDISA Fleet Qualifier	Skipper	A	9	10.3	-1.02
MASSA Silver Fleet Championship	Crew	A, B	8	9.2	—
Fall 2019 Team page Season
MDISA JV FLeet Race at SMR	Skipper	A	4	5.0	-0.33
MDISA JV @ DC Sail	Skipper	A	3	5.0	1.35
MDISA JV Championship at Baltimore County Sailing	Skipper	A, B	14	10.1	A -0.59 · B 1.00
MDISA JV 1	Crew	A, B	12	7.8	—
Spring 2019 Team page Season
MDISA SCC JV Fleet race	Skipper	B	5	7.8	0.28
MDISA Kent Island JV Regatta	Skipper	A	5	8.4	-0.75
MDISA JV Fleet Regatta St.Mary's Ryken	Skipper	B	5	9.4	-0.94
2019 Maryland JV High School Championship	Skipper	A	2	13.0	—
Fall 2018 Team page Season
St. Mary's Ryken JV	Skipper	B	2	6.0	0.01
SCC JV regatta	Crew	B	5	8.2	—
MDISA JV Fleet Race	Skipper	B	4	10.0	-0.86
Fall MDISA JV Champs	Crew	B	5	10.0	—
BCSC 2018 Fall JV	Skipper	B	6	11.3	-1.34
Spring 2018 Team page Season
SMR JV Regatta	Crew	B	2	7.5	—
SCC JV	Crew	B	4	15.5	—
BCSC High School JV #1 Spring 2018	Crew	B	3	15.3	—

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.