Christos Karplus

Discipline	Rating	Rank	Races	Last raced
Singlehanded	1.76	unranked (fewer than 10 races or not active)	8	Fall 2015

Regatta	Role	Div	Races	Avg	Rating
Fall 2019 Team page Season
Truxtun Umsted Coed Showcase Qualifier A	Skipper	B	18	14.9	1.57
Sister Esther Open	Skipper	A	10	6.3	3.33
Oberg Trophy	Skipper	A	7	14.4	1.73
Hatch Brown Memorial Trophy	Skipper	B	15	14.7	2.08
Callagy Ross Trophy	Skipper	B	11	8.6	-0.01
The 79th Professor Erwin Schell Trophy	Skipper	B	9	15.2	1.55
Spring 2019 Team page Season
Herring Pond Team Race	Skipper	TR	9	100%	—
Fall 2018 Team page Season
Sherman Hoyt Trophy	Skipper	B	9	13.8	1.89
Penobscot Bay Open	Skipper	B	11	8.0	1.36
Oberg Trophy	Skipper	A	13	14.8	1.91
Harvard Coed Showcase 2	Skipper	B	10	13.1	2.31
Callagy Ross Trophy	Skipper	A	11	8.5	0.53
The 78th Professor Schell Trophy	Skipper	B	14	14.7	1.88
Fall 2017 Team page Season
Sister Esther Open	Skipper	A	11	13.0	1.49
Oberg Trophy	Skipper	A	10	15.3	0.81
NEISA Dinghy Tournament	Skipper	B	8	1.2	3.68
Moody Trophy	Skipper	B	4	15.2	1.27
Hewitt Trophy	Skipper	C	7	8.7	2.82
Atlantic Coast Tournament	Skipper	B	16	8.0	0.82
35th Professor Stedman Hood Trophy	Skipper	B	4	14.0	1.94

League	Name	School	Year
ISSA	Christos Karplus	Cape Cod Academy	'17

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.