Mason Chapman

Career: 53.15 percentile of ICSA crews

▲ boats did better with this crew than with the skipper's usual crews▼ worseArrow length = size of the push, in rating points

Season	Team	Rating	Range	League percentile	Team percentile	On team	Races	Team page
Spring 2025	University of Virginia	0.31		27.19	35.71	5 of 7	10	Team page
Spring 2023	University of Virginia	0.95		36.33	38.89	6 of 9	15	Team page

Regatta	Role	Div	Races	Avg	Rating
Spring 2026 Team page Season
William and Mary Spring Open	Skipper	A	10	3.0	1.37
Hanbury Trophy	Skipper	B	14	11.6	-3.13
Fall 2025 Team page Season
Riley Cup	Skipper	A	11	13.5	0.52
Luce Trophy	Skipper	A	15	11.0	0.39
Spring 2025 Team page Season
W&M Spring Open	Crew	B	10	2.1	+0.62
Fall 2024 Team page Season
War Memorial	Skipper	B	17	15.2	0.63
Riley Cup	Skipper	A	6	12.3	1.19
Spring 2024 Team page Season
Spring Open	Skipper	B	6	2.3	1.83
Grant Trophy	Skipper	A	5	7.8	0.42
Fall 2023 Team page Season
Webb/Wollum	Skipper	B	1	7.0	-2.87
Spring 2023 Team page Season
2023 SailPack Oriental Intercollegiate	Crew	A	3	8.7	+0.17
Ocean County Spring Open	Skipper	B	13	5.5	0.80
America Trophy	Crew	A	12	16.4	-0.69
Fall 2022 Team page Season
Webb/Wollum	Skipper	A	18	10.4	-4.53
War Memorial	Crew	A	7	14.6	—
Jefferson Cup	Skipper	B	6	1.3	3.18

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.