Liad Zafrani

Discipline	Rating	Rank	Races	Last raced
Keelboat	-0.31	unranked (fewer than 10 races or not active)	4	Spring 2017

Regatta	Role	Div	Races	Avg	Rating
Spring 2017 Season
Keelboat Kickoff Keelboat	Skipper	A	4	15.5	-1.92
Donald Green	Skipper	B	6	14.3	-0.87
Spring 2016 Season
Sharon Fresh / Soph Regatta	Skipper	B	8	14.2	-1.76
Donald Greene Regatta	Skipper	B	2	8.5	0.82

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.