Colin Mcgruer

Regatta	Role	Div	Races	Avg	Rating
Spring 2016 Team page Season
O'Day Qualifier - Marion, MA	Crew	B	3	7.7	—
Donald Greene Regatta	Skipper	B	6	8.5	0.74
2016 Sharon Invitational	Skipper	B	4	7.2	0.33
Fall 2015 Team page Season
Arnold Brown Regatta	Crew	A	6	9.0	—
Spring 2015 Team page Season
O'Day Qualifier - Marion, MA	Skipper	A	2	10.5	-0.95
Fall 2014 Team page Season
Arnold Brown Regatta	Skipper	A	3	8.7	-0.76

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.