Jack Ewing

Regatta	Role	Div	Races	Avg	Rating
Fall 2017 Season
Lawrence A. White Trophy	Skipper	A	18	16.4	-1.00
NESSA Great Oaks Qualifier	Skipper	A	7	7.4	0.25
Catholic Cup	Skipper	A	7	5.3	0.42
Fall 2016 Season
Stags Leap Regatta	Skipper	B	6	4.7	1.34
NKBI Qualifier Keelboat	Crew	A	6	4.3	—
Great Oaks Qualifier	Skipper	A	8	6.2	-0.12
2016 Xavier Fall Invitational	Skipper	A	2	4.0	0.53
Fall 2015 Season
NESSA National Keelboat Invitational Qualifier Keelboat	Crew	A	6	2.8	—
2015 NESSA Fall Funfest (Gleekman Trophy)	Skipper	B	6	8.3	0.16

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.