Sharon High School '23
How much better or worse boats do with this sailor crewing than their skipper's rating predicts, shown on the skipper scale so crews can be lined up across teams. Percentiles compare against rostered crews that season (league) or teammates (team).
How crew ratings work →Crew effect over their whole career, not scaled to a team: 51.32 percentile among ICSA crews with 30+ races. Uncertainty ±0.114 rating points from 24 races with rated skippers. Few races, so the estimate stays near the middle.
How crew ratings work →Includes linked high school and college seasons.
| Season | Team | Rating | Range | League percentile |
Team percentile |
On team | Races | Team page |
|---|---|---|---|---|---|---|---|---|
| Fall 2024 | Northeastern University | 1.74 | 59.16 | 46.43 | 8 of 14 | 8 | Team page |
A team race rating is what the sailor brings to one of the three boats: 0.72 x their fleet rating plus a team-race offset learned from every match they sailed, shrunk toward zero so a few matches cannot move it far. Sides are compared by the sum of their three boats plus the school's team race strength.
| Rating | Rank | vs fleet rating | Record |
|---|---|---|---|
| 0.93 (fleet 1.53) | unranked (fewer than 30 matches as skipper, or not active) | −0.02 ± 0.18 about what the fleet rating predicts |
as skipper 13–10 (57%) |
| Season | Regattas | Skipper W–L | Crew W–L |
|---|---|---|---|
| Spring 2023 | 2 | 8–8 | — |
| Spring 2022 | 1 | 5–2 | — |
For each regatta, the boat value that would have made this sailor's record least surprising: the shift applied to their boat alone, in the matches they sailed, with team-mates and opponents fixed at the pre-event forecast. A boat's skipper and crew share the boat, so they get the same number when they sailed every match together. Surprise is in bits at the pre-event value minus at the performance value; P(this good or better) treats the matches as independent at the forecast probabilities. Regattas forecast from fewer than 1,000 training matches are left out.
Over 3 graded regattas (23 matches) the record is 13–10 against 12.9 wins the pre-event forecasts expected (+0.1). 0 regattas clearly above the rating (P ≤ 20%), 1 clearly below (P ≥ 80%); 0 bits of surprise in all.
| Date | Regatta | Role | Value | Perf. | Record | Exp. wins |
Δ | Surprise (bits) |
P(this good or better) |
|---|---|---|---|---|---|---|---|---|---|
| 2023-05-20 | National Invitational Tournament (Founders Trophy) | skipper | 1.19 | 1.47 | 4–6 | 3.5 | +0.28 | 0.1 | 49% |
| 2023-05-06 | NESSA Team Racing Tournament(Terk Trophy) | skipper | 1.18 | 0.72 | 4–2 | 4.4 | −0.46 | 0.1 | 82% |
| 2022-04-24 | Linda Juliano Girls TR Tourney '22 | skipper | 0.71 | 0.71 | 5–2 | 5.0 | −0.01 | 0.0 | 68% |
| Regatta | Role | Div | Races | Avg | Rating |
|---|---|---|---|---|---|
| Spring 2023 Team page Season | |||||
| Sharon Invitational | Skipper | B | 6 | 2.8 | 2.56 |
| NESSA Team Racing Tournament(Terk Trophy) | Skipper | TR | 14 | 71% | — |
| NESSA Girls' Championship (Herreshoff Trophy) | Skipper | A | 7 | 11.3 | -0.38 |
| National Invitational Tournament (Founders Trophy) | Skipper | TR | 17 | 35% | — |
| Merc Gold - 2023 Zimba MBL Championship | Skipper | A | 10 | 4.4 | 1.38 |
| Herreshoff Qualifier - MMA | Skipper | A | 7 | 3.3 | 1.66 |
| Donald Greene Regatta '23 | Skipper | A | 5 | 3.2 | 2.45 |
| Fall 2022 Team page Season | |||||
| St. George's Fall Invitational | Skipper | B | 4 | 8.0 | 0.78 |
| NESSA Fall FunFest (Gleekman Trophy) | Skipper | B | 2 | 5.5 | 1.19 |
| DBMS Invitational | Skipper | B | 2 | 5.0 | 0.37 |
| 2022 Atlantic Coast Championship | Skipper | A | 2 | 17.5 | -3.12 |
| Spring 2022 Team page Season | |||||
| MA High School State Champs | Crew | A | 10 | 6.0 | — |
| Linda Juliano Girls TR Tourney '22 | Skipper | TR | 7 | 71% | — |
| Donald Greene Regatta | Skipper | A | 8 | 9.6 | 0.72 |
| 2022 Sharon Invitational | Skipper | B | 3 | 8.7 | 0.45 |
| Fall 2021 Team page Season | |||||
| Atlantic Coast Championship | Crew | B | 2 | 17.5 | — |
| League | Name | School | Year |
|---|---|---|---|
| ICSA | Isabella Cho |  Northeastern University |
'27 |
Short write-ups of what the ratings and results show, with the numbers and how they were computed.
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