Joseph Chamberlin

Regatta	Role	Div	Races	Avg	Rating
Spring 2018 Team page Season
Oberg Trophy	Skipper	C	4	6.5	2.96
George Morris Trophy	Skipper	B	8	9.0	1.84
BU Trophy	Skipper	A	6	5.7	3.15
Fall 2017 Team page Season
Penobscot Bay Regatta	Skipper	B	8	9.2	1.74
Invite	Skipper	B	6	6.3	0.52
Spring 2017 Team page Season
Oberg Trophy	Skipper	B	8	7.8	1.72
Midweek Fly, Bobby Berliner Trophy	Skipper	A	6	2.2	2.58
Central 3	Skipper	A	6	9.5	0.84
Fall 2016 Team page Season
Harvard Invitational	Skipper	A	6	5.2	2.15
FJ Invitational	Skipper	A	5	6.4	1.55
Spring 2016 Team page Season
George Morris Trophy	Skipper	B	4	12.5	0.56
Central Series 3 Spring 2016	Skipper	B	6	6.8	1.34
Fall 2015 Team page Season
Nickerson Trophy	Skipper	B	4	13.0	0.93
NEISA Invitational at MIT	Skipper	B	10	6.3	1.70
George Warren Smith Trophy	Skipper	B	10	9.9	0.80
Chris Loder Trophy	Skipper	B	2	11.0	1.22

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.