Irene Petris

Regatta	Role	Div	Races	Avg	Rating
Spring 2020 Season
SAISA North Points #5	Skipper	B	5	11.2	-0.56
North Points #6 - Charleston	Skipper	B	5	10.4	—
Lake Mayer Open	Skipper	B	10	2.6	1.42
Fall 2019 Season
SAISA North Points #2	Skipper	B	11	10.7	0.03
SAISA Brunswick Open Regatta	Skipper	B	9	5.7	-0.48
NP#3 Sunbury	Skipper	B	8	7.8	0.46
North Points #1	Skipper	B	6	9.3	0.07

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.