Alexander Kostas

Regatta	Role	Div	Races	Avg	Rating
Fall 2019 Team page Season
The Dark of Night Regatta	Skipper	B	2	3.5	3.58
Spring 2019 Team page Season
Central Series Two	Skipper	B	4	7.2	0.01
Fall 2018 Team page Season
Mt. Hope Bay Invite	Skipper	B	10	14.5	-1.69
George Warren Smith Trophy	Skipper	A	4	18.8	-0.59
Spring 2018 Team page Season
Vietor Trophy	Skipper	B	3	10.7	1.87
New England Dinghy Tournament	Skipper	B	10	6.5	-1.66

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.