Olentangy Liberty High School '21
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: 99.73 percentile among ICSA crews with 30+ races. Uncertainty ±0.091 rating points from 176 races with rated skippers.
How crew ratings work →No season rating yet: needs 8+ crewed races in a season.
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 |
|---|---|---|---|
| 0.51 (fleet 0.83) | unranked (fewer than 30 matches as skipper, or not active) | −0.01 ± 0.18 about what the fleet rating predicts |
as skipper 4–9 (31%) as crew 23–35 (40%) |
| Season | Regattas | Skipper W–L | Crew W–L |
|---|---|---|---|
| Spring 2021 | 1 | 2–4 | — |
| Spring 2019 | 2 | — | 4–13 |
| Fall 2018 | 4 | — | 17–16 |
| Spring 2018 | 1 | 2–5 | — |
| Fall 2017 | 1 | — | 2–6 |
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 9 graded regattas (71 matches) the record is 27–44 against 29.1 wins the pre-event forecasts expected (−2.1). 1 regatta clearly above the rating (P ≤ 20%), 4 clearly below (P ≥ 80%); 9 bits of surprise in all.
| Date | Regatta | Role | Value | Perf. | Record | Exp. wins |
Δ | Surprise (bits) |
P(this good or better) |
|---|---|---|---|---|---|---|---|---|---|
| 2021-04-16 | MISSA Ohio Baker Pre-qualifier | skipper | 0.25 | -1.44 | 2–4 | 3.6 | −1.68 | 1.5 | 97% |
| 2019-03-23 | Severn Spring TR 12 boats | crew | 1.05 | -1.95 | 0–7 | 2.6 | ≤−3.00 | 5.1 | >99% |
| 2019-03-17 | MDISA Team Race | crew | 0.87 | 1.64 | 4–6 | 3.0 | +0.77 | 0.4 | 34% |
| 2018-11-03 | 2018 MASSA Fall Team Race Championship | crew | 1.60 | 0.68 | 2–4 | 2.8 | −0.92 | 0.4 | 89% |
| 2018-10-27 | 2018 MDISA Fall Team Race Championship | crew | 1.55 | 2.17 | 8–5 | 6.9 | +0.62 | 0.4 | 36% |
| 2018-09-29 | Severn School Team Race | crew | 1.49 | 1.40 | 2–4 | 2.1 | −0.10 | 0.0 | 72% |
| 2018-09-23 | SSA Team Race | crew | 1.23 | 2.63 | 5–3 | 3.3 | +1.40 | 1.3 | 17% |
| 2018-03-18 | DC Sail TR | skipper | 0.36 | -0.32 | 2–5 | 2.7 | −0.68 | 0.3 | 85% |
| 2017-10-08 | MDISA Fall Team Race Championship | crew | 1.35 | 1.23 | 2–6 | 2.1 | −0.12 | 0.0 | 69% |
| Regatta | Role | Div | Races | Avg | Rating |
|---|---|---|---|---|---|
| Spring 2021 Team page Season | |||||
| Ohio State Championships | Crew | B | 8 | 2.6 | — |
| MISSA Ohio Mallory Pre-Qualifer | Crew | A | 7 | 6.0 | — |
| MISSA Ohio Baker Pre-qualifier | Skipper | TR | 6 | 33% | — |
| Fall 2019 Team page Season | |||||
| Thomas Worthington Invite | Skipper | B | 5 | 16.2 | -0.13 |
| Olentangy Fall Classic | Skipper | B | 6 | 14.7 | -0.96 |
| Great Lakes Qualifier | Crew | A | 13 | 10.8 | — |
| Foundry #1 | Skipper | B | 8 | 9.6 | 0.08 |
| Spring 2019 Team page Season | |||||
| Westerville Classic | Skipper | B | 8 | 8.4 | 0.14 |
| Ohio State Championship | Skipper | B | 6 | 7.8 | 0.83 |
| Foundry #2 2019 | Skipper | A | 3 | 15.3 | -2.46 |
| Fall 2018 Team page Season | |||||
| Thomas Worthington Invitational | Skipper | B | 7 | 13.1 | 0.02 |
| Olentangy Regatta | Skipper | B | 6 | 6.3 | 0.97 |
| Foundry #1 | Skipper | B | 6 | 12.2 | -0.52 |
| Spring 2018 Team page Season | |||||
| Westerville Classic | Crew | A | 6 | 13.2 | — |
| Fall 2017 Team page Season | |||||
| Foundry #2 | Crew | B | 4 | 7.8 | — |
| League | Name | School | Year |
|---|---|---|---|
| ICSA | Emily Williams |  Ohio State University |
'25 |
| ISSA | Emily Williams |  Leonardtown High School |
'20 |
| ISSA | Emily Williams |  Worthington Kilbourne |
'21 |
| ISSA | Emily Williams |  Thomas Worthington High School |
'21 |
| ISSA | Emily Williams |  Westerville South High School |
'21 |
| ISSA | Emily Williams |  Olentangy Orange High School |
'21 |
Short write-ups of what the ratings and results show, with the numbers and how they were computed.
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