Chris Grabe

Career: 7.05 percentile of ICSA crews (limited evidence)

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

Regatta	Role	Div	Races	Avg	Rating
Spring 2010 Team page Season
Southern Series 2 @ SRU	Skipper	B	12	5.9	1.38
New London Invitational	Skipper	B	18	11.4	0.89
Fall 2009 Team page Season
Southern Series 5	Skipper	A	11	11.6	-0.38
The Hatch Brown Trophy	Crew	A	4	10.2	—
68th Erwin Schell Trophy	Crew	B	10	16.6	—
Spring 2009 Team page Season
80th Boston DinghyCup	Crew	C	11	12.5	—

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.