Great Mills High School '24
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: 16.79 percentile among ISSA crews with 30+ races. Uncertainty ±0.100 rating points from 107 races with rated skippers.
How crew ratings work →| Season | Team | Rating | Range | League percentile |
Team percentile |
On team | Races | Team page |
|---|---|---|---|---|---|---|---|---|
| Spring 2024 | Great Mills High School | -0.11 | 29.63 | 16.67 | 8 of 9 | 57 | Team page | |
| Fall 2023 | Great Mills High School | -0.43 | 22.11 | 15.00 | 9 of 10 | 31 | Team page | |
| Fall 2022 | Great Mills High School | -0.33 | 21.77 | 20.83 | 10 of 12 | 15 | 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 |
|---|---|---|---|
| 0.12 | unranked (fewer than 30 matches as skipper, or not active) | +0.00 about what the fleet rating predicts |
as crew 9–37 (20%) |
| Season | Regattas | Skipper W–L | Crew W–L |
|---|---|---|---|
| Fall 2023 | 1 | — | 6–8 |
| Fall 2022 | 1 | — | 3–19 |
| Spring 2022 | 1 | — | 0–10 |
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 (46 matches) the record is 9–37 against 11.0 wins the pre-event forecasts expected (−2.0). 0 regattas clearly above the rating (P ≤ 20%), 2 clearly below (P ≥ 80%); 2 bits of surprise in all.
| Date | Regatta | Role | Value | Perf. | Record | Exp. wins |
Δ | Surprise (bits) |
P(this good or better) |
|---|---|---|---|---|---|---|---|---|---|
| 2023-09-30 | MDISA Fall Team Race Champs (Qualifier) | crew | 1.36 | 1.57 | 6–8 | 5.6 | +0.21 | 0.1 | 51% |
| 2022-10-22 | MASSA Fall 2022 Team Race Championship | crew | 1.50 | 0.99 | 3–19 | 4.0 | −0.51 | 0.3 | 82% |
| 2022-04-09 | MDISA Team Race Qualifier | crew | 1.19 | -1.81 | 0–10 | 1.4 | ≤−3.00 | 2.1 | >99% |
| Regatta | Role | Div | Races | Avg | Rating |
|---|---|---|---|---|---|
| Spring 2024 Team page Season | |||||
| MDISA TAYC Varsity Regatta | Crew | A | 6 | 6.8 | +0.12 |
| MDISA Severn School Varsity Fleet Race | Crew | B | 7 | 5.4 | -0.13 |
| MDISA SCC Tier 1 Regatta | Crew | B | 8 | 3.9 | +0.24 |
| MDISA Fleet Race Qualifier | Crew | B | 7 | 8.1 | -0.49 |
| MASSA 2024 Fleet Championship & Mallory Qualifier | Crew | A | 6 | 14.0 | -0.01 |
| MDISA DC Sail T1 Spring Opener | Crew | A | 5 | 6.2 | +0.08 |
| 2024 Phebe Corckran King Memorial Trophy | Crew | B | 18 | 16.3 | -0.30 |
| Fall 2023 Team page Season | |||||
| MDISA Tier 1 at SCC | Crew | B | 6 | 6.3 | -0.03 |
| MDISA Fall Team Race Champs (Qualifier) | Crew | TR | 14 | 43% | — |
| MDISA Fleet Race (North) | Crew | B | 6 | 7.7 | -0.14 |
| MDISA Fleet Qualifier - Fall '23 | Crew | B | 7 | 10.0 | -0.75 |
| MASSA Fall Silver Fleet Championship | Crew | B | 12 | 3.8 | +0.44 |
| Fall 2022 Team page Season | |||||
| MDISA SSA/AYC Fleet Race (Tier 2) | Crew | A | 6 | 5.8 | +0.04 |
| MASSA Silver Championships | Crew | B | 9 | 3.6 | +0.10 |
| MASSA Fall 2022 Team Race Championship | Crew | TR | 22 | 14% | — |
| Spring 2022 Team page Season | |||||
| MDISA Team Race Qualifier | Crew | TR | 10 | 0% | — |
| League | Name | School | Year |
|---|---|---|---|
| ISSA | Alex Prior |  Leonardtown High School |
'24 |
Short write-ups of what the ratings and results show, with the numbers and how they were computed.
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