Yasha Chumak

Career: 49.06 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	League percentile	Team percentile	On team	Races	Team page
Spring 2026	Tabor Academy	1.52	78.08	50.00	9 of 17	13	Team page
Fall 2025	Tabor Academy	1.36	80.42	39.47	12 of 19	19	Team page
Spring 2025	Tabor Academy	2.03	84.02	59.52	9 of 21	37	Team page

Regatta	Role	Div	Races	Avg	Rating
Spring 2026 Team page Season
Tabor Fleet Race Friday 4/17	Crew	A	5	10.0	-0.05
Tabor Fleet Race Friday 4/10	Crew	A	5	8.4	-0.19
Spring Fleet Race #2 - 420	Crew	A	3	2.0	+0.23
Fall 2025 Team page Season
Tabor Fall Invite - FJ	Crew	A	4	2.2	+0.16
Seawolf Sailing League #5 (ee420)	Crew	A	5	3.6	-0.14
Seawolf Sailing League #3 (420)	Crew	A	5	8.8	+0.24
Seawolf Sailing League #2 (e420)	Crew	A	5	4.4	+0.03
Spring 2025 Team page Season
Seawolf Races 5-20	Crew	A	4	13.0	+0.20
Seawolf Fleet Races	Crew	A	9	12.7	-0.31
May2nd Fleet Race Friday	Crew	A	5	7.6	+0.09
May14 Fleet Race	Crew	A	5	8.6	+0.18
Fleet Race Friday 1	Crew	A	5	11.6	-0.16
Fleet Race April 11	Crew	A	5	6.0	+0.02
4/3 Fleet Race	Crew	B	4	6.0	-0.18

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.