Hampton Roads Academy '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: 15.62 percentile among ICSA crews with 30+ races. Uncertainty ±0.103 rating points from 70 races with rated skippers.
How crew ratings work →| Season | Team | Rating | Range | League percentile |
Team percentile |
On team | Races | Team page |
|---|---|---|---|---|---|---|---|---|
| Spring 2023 | Hampton Roads Academy | 0.49 | 27.86 | 6.25 | 8 of 8 | 22 | Team page | |
| Fall 2022 | Hampton Roads Academy | 1.37 | 45.97 | 50.00 | 3 of 5 | 39 | Team page |
Each discipline has its own scale, built from the sailor's main rating and their results in that discipline. The numbers are not comparable with the main rating or with each other.
How these ratings work →| Discipline | Rating | Rank | Races | Last raced |
|---|---|---|---|---|
| Singlehanded | 2.17 | 104 of 198 | 64 | Fall 2025 |
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 |
|---|---|---|---|
| 1.38 (fleet 2.28) | unranked (fewer than 30 matches as skipper, or not active) | −0.02 ± 0.18 about what the fleet rating predicts |
as skipper 25–36 (41%) as crew 36–37 (49%) |
| Season | Regattas | Skipper W–L | Crew W–L |
|---|---|---|---|
| Spring 2023 | 3 | — | 20–20 |
| Fall 2022 | 3 | 5–9 | 14–15 |
| Spring 2022 | 1 | 8–7 | — |
| Spring 2021 | 2 | 9–12 | — |
| Fall 2019 | 1 | 2–1 | — |
| Spring 2019 | 1 | 1–7 | — |
| Fall 2018 | 1 | — | 2–2 |
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.
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 12 graded regattas (134 matches) the record is 61–73 against 65.2 wins the pre-event forecasts expected (−4.2). 1 regatta clearly above the rating (P ≤ 20%), 6 clearly below (P ≥ 80%); 7 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) | crew | 2.26 | 2.27 | 9–8 | 9.0 | +0.02 | 0.0 | 60% |
| 2023-04-29 | MASSA Team Race Championship | crew | 2.17 | 2.50 | 6–9 | 5.3 | +0.33 | 0.1 | 45% |
| 2023-04-22 | VISA Team Championship | crew | 2.12 | 1.61 | 5–3 | 5.5 | −0.51 | 0.1 | 83% |
| 2022-10-22 | MASSA Fall 2022 Team Race Championship | crew | 1.89 | 1.92 | 7–10 | 6.9 | +0.04 | 0.0 | 61% |
| 2022-10-08 | VISA Team Champs | crew | 1.86 | 1.43 | 7–5 | 7.6 | −0.43 | 0.1 | 80% |
| 2022-09-17 | VISA Maury Team Race Regatta | skipper | 1.37 | 0.33 | 5–9 | 6.7 | −1.04 | 1.0 | 94% |
| 2022-04-30 | 2022 NWISA Team Racing District Championship | skipper | 1.41 | 1.61 | 8–7 | 7.6 | +0.19 | 0.0 | 51% |
| 2021-04-24 | NWISA Team Race Championship | skipper | 0.67 | 1.62 | 6–6 | 4.0 | +0.95 | 1.1 | 17% |
| 2021-04-10 | Bainbridge Team Race - April 2021 | skipper | 0.65 | -1.05 | 3–6 | 5.7 | −1.70 | 2.6 | 99% |
| 2019-10-26 | Trick or Treat Team Race | skipper | 0.48 | 0.50 | 2–1 | 2.0 | +0.02 | 0.0 | 74% |
| 2019-03-16 | Gig Harbor Silver Team Race | skipper | 0.37 | -1.36 | 1–7 | 2.7 | −1.73 | 1.5 | 97% |
| 2018-10-27 | Trick or Treat Team Race | crew | 0.39 | -0.11 | 2–2 | 2.3 | −0.50 | 0.1 | 83% |
| Regatta | Role | Div | Races | Avg | Rating |
|---|---|---|---|---|---|
| Spring 2023 Team page Season | |||||
| VISA Team Championship | Crew | TR | 8 | 62% | — |
| VISA Hampton Roads Academy Fleet Regatta | Crew | A, B | 1 | 1.0 | — |
| VISA Girls Championship | Skipper | A | 9 | 8.8 | 0.60 |
| VISA Christchurch Regatta 3/25 | Skipper | A | 4 | 7.5 | 0.66 |
| Phebe Corckran King Invitational | Crew | B | 8 | 3.0 | — |
| National Invitational Tournament (Founders Trophy) | Crew | TR | 17 | 53% | — |
| MASSA Team Race Championship | Crew | TR | 15 | 40% | — |
| MASSA Fleet Championship & Mallory Qualifier | Crew | B | 9 | 9.9 | — |
| VISA HCS/Heritage Fleet Race | Crew | A | 4 | 3.5 | — |
| Fall 2022 Team page Season | |||||
| VISA Team Champs | Crew | TR | 12 | 58% | — |
| VISA TCIS Championship | Crew | B | 7 | 3.3 | — |
| VISA State Fleet Race Championship | Crew | B | 9 | 6.9 | — |
| VISA Poquoson Fleet Regatta. | Crew | B | 7 | 4.0 | — |
| VISA Maury Team Race Regatta | Skipper | TR | 14 | 36% | — |
| MASSA Fall Gold Fleet Champs [ACC Qualifier] | Crew | B | 6 | 9.0 | — |
| MASSA Fall 2022 Team Race Championship | Crew | TR | 22 | 50% | — |
| 2022 MASSA Fall Girls Invitational Championship | Crew | A | 16 | 12.2 | — |
| League | Name | School | Year |
|---|---|---|---|
| ICSA | Gianna Dewey |  Old Dominion University |
'27 |
| ISSA | Gianna Dewey |  Bainbridge High School |
'23 |
Short write-ups of what the ratings and results show, with the numbers and how they were computed.
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