Isabella Cho

Rating History

Crew Rating

Career: 55.43 percentile of ICSA crews (limited evidence)
1.501.752.002.25J. Whitman (2 races): -0.24J. WhitmanG. Ahitow (6 races): +0.18G. AhitowFall 2024: rating 1.84Fall 2024Northeastern University
▲ 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
Fall 2024 Northeastern University 1.84 Rating 1.84; 90% range -1.5 to 5.2; team skipper average 1.99 60.46 46.43 8 of 14 8 Team page

Team Race Rating

Rating Rank vs fleet rating Record
1.55 (fleet 2.14) unranked (fewer than 30 matches as skipper, or not active) +0.00 ± 0.18
about what the fleet rating predicts
as skipper 7–18 (28%)
as crew 0–20 (0%)
SeasonRegattas Skipper W–LCrew W–L
Spring 202630–70–20
Spring 202527–11—
0.911.11.21.31.4Spring 2025Spring 2026BU Team Race (2025-03-22): rating 1.02, fleet rating alone 1.00, offset +0.02; record 2-8 in this boatWomen's SNE Team Race (2026-03-14): rating 1.30, fleet rating alone 1.28, offset +0.02; record 0-2 in this boatDuplin Women's Team Race (2026-03-21): rating 1.30, fleet rating alone 1.28, offset +0.02; record 0-5 in this boatTeam race rating

Rating before each regatta driven (solid; dots green when the boat won 60% or more of its matches there, red under 40%) and what the fleet rating alone would give (dashed). The gap is the team race offset as it stood at the time. Hover a dot for the regatta; click to open it.

Team race surprisal: regatta by regatta

Over 4 graded regattas (43 matches) the record is 7–36 against 8.2 wins the pre-event forecasts expected (−1.2). 0 regattas clearly above the rating (P ≤ 20%), 2 clearly below (P ≥ 80%); 5 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2026-03-21Duplin Women's Team Raceskipper1.64-1.360–50.9≤−3.001.6>99%
2026-03-07The Wood Trophycrew2.27-0.730–201.9≤−3.002.8>99%
2025-03-22BU Team Raceskipper1.321.882–81.3+0.560.340%
2025-03-15Mass Maritime Team Race Inviteskipper1.141.655–34.1+0.520.338%

Regatta results

Regatta Role Div Races Avg Rating
Fall 2026 Team page Season
Yale Women's Women's Skipper A 8 12.0 2.21
Women's Atlantic Coast Tournament Women's Skipper A 14 9.4 2.13
Women's Atlantic Coast Championship Round 1 B Women's Skipper A 5 10.8 2.26
Toni Deutsch '58 Trophy 2026 Women's Skipper A 10 12.1 1.86
Stu Nelson @ Connecticut College 2026 Skipper A 4 14.2 0.87
Regis Trophy Women's Skipper A 6 10.3 1.62
Spring 2026 Team page Season
The Wood Trophy Crew TR 20 0% —
Women's SNE Team Race Women's Skipper TR 7 14% —
Southern 5 Saturday Skipper A 8 9.2 -0.85
Oberg Trophy Skipper C 8 8.6 1.90
Duplin Women's Team Race Women's Skipper TR 9 11% —
Fall 2025 Team page Season
Yale Women's Interconference Women's Skipper B 4 15.8 0.60
Women's Atlantic Coast Championships Finals Women's Skipper B 6 14.8 1.25
The Victorian Urn Trophy Women's Skipper B 4 11.8 1.52
Stu Nelson@ Connecticut College Women's Skipper C 7 9.1 2.20
Regis Trophy Women's Skipper A 5 12.0 2.25
Penobscot Bay Open Skipper A 8 7.1 0.76
Spring 2025 Team page Season
Mass Maritime Team Race Invite Skipper TR 10 70% —
Invite Skipper A 6 6.8 0.85
Central Series Tufts Skipper A 10 3.4 1.86
BU Team Race Skipper TR 10 20% —
Fall 2024 Team page Season
Terrier Invite Skipper B 6 10.5 1.10
Regis Trophy Women's Skipper B 4 10.8 1.87
Great Herring Pond Open Crew A 11 5.6 -0.06
Eagle Invite Skipper C 6 15.7 —
Charles Invitational Skipper A 8 9.0 -1.36
Spring 2024 Team page Season
Southern Series 7 Skipper B 8 9.0 0.21
2024 Icebreaker Fleet Race Skipper A 5 11.2 1.02
Fall 2023 Team page Season
Peak Foliage Crew B 4 1.0 —
Nickerson Trophy Skipper A 10 13.1 1.09
The Harvard Invitational Skipper A 2 13.5 1.39
BU Invite Skipper A 9 7.9 1.99

Linked Profiles

League Name School Year
ISSA Isabella Cho Sharon High SchoolSharon High School '23

From the notes

Short write-ups of what the ratings and results show, with the numbers and how they were computed.

All notes →