Christchurch School '23
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 |
|---|---|---|---|
| 1.72 (fleet 2.73) | unranked (fewer than 30 matches as skipper, or not active) | +0.03 ± 0.17 about what the fleet rating predicts |
as skipper 136–52 (72%) |
| Season | Regattas | Skipper W–L | Crew W–L |
|---|---|---|---|
| Spring 2023 | 3 | 20–10 | — |
| Fall 2022 | 3 | 36–9 | — |
| Spring 2022 | 3 | 26–9 | — |
| Fall 2021 | 4 | 40–11 | — |
| Spring 2021 | 3 | 14–13 | — |
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 16 graded regattas (188 matches) the record is 136–52 against 129.2 wins the pre-event forecasts expected (+6.8). 2 regattas clearly above the rating (P ≤ 20%), 5 clearly below (P ≥ 80%); 11 bits of surprise in all.
| Date | Regatta | Role | Value | Perf. | Record | Exp. wins |
Δ | Surprise (bits) |
P(this good or better) |
|---|---|---|---|---|---|---|---|---|---|
| 2023-04-29 | MASSA Team Race Championship | skipper | 2.35 | 1.52 | 4–7 | 5.2 | −0.83 | 0.6 | 90% |
| 2023-04-22 | VISA Team Championship | skipper | 2.36 | 3.26 | 6–1 | 5.5 | +0.90 | 0.2 | 52% |
| 2023-03-18 | VISA Maury Team Race Regatta | skipper | 2.36 | 2.63 | 10–2 | 9.7 | +0.26 | 0.0 | 58% |
| 2022-10-22 | MASSA Fall 2022 Team Race Championship | skipper | 2.31 | 2.49 | 13–7 | 12.6 | +0.18 | 0.0 | 53% |
| 2022-10-08 | VISA Team Champs | skipper | 2.23 | 4.11 | 11–1 | 9.3 | +1.88 | 1.6 | 16% |
| 2022-09-17 | VISA Maury Team Race Regatta | skipper | 2.24 | 3.74 | 12–1 | 10.6 | +1.50 | 1.0 | 25% |
| 2022-05-21 | Baker Trophy 2022 | skipper | 2.32 | 3.22 | 7–4 | 5.5 | +0.89 | 0.8 | 24% |
| 2022-04-30 | MASSA 2022 Team Race Championship | skipper | 2.15 | 3.97 | 12–2 | 9.4 | +1.82 | 2.5 | 7% |
| 2022-04-23 | VISA Team Championship | skipper | 2.31 | 1.44 | 7–3 | 8.0 | −0.87 | 0.5 | 90% |
| 2021-11-06 | MASSA Gold Fall Team Championship | skipper | 2.08 | 2.60 | 13–5 | 11.9 | +0.52 | 0.3 | 36% |
| 2021-10-23 | VISA Team Race Championship and Qualifier | skipper | 2.06 | 1.37 | 9–3 | 9.9 | −0.69 | 0.4 | 87% |
| 2021-10-09 | VISA NA Team Race Regatta 2 | skipper | 2.13 | 1.47 | 9–2 | 9.6 | −0.65 | 0.2 | 86% |
| 2021-09-25 | VISA Norfolk Academy Team Race Regatta | skipper | 2.06 | 3.40 | 9–1 | 7.7 | +1.34 | 0.9 | 28% |
| 2021-05-22 | 2021 ISSA Baker Team Race National Championship | skipper | 1.86 | 2.44 | 6–7 | 5.0 | +0.57 | 0.3 | 37% |
| 2021-04-24 | MASSA Baker Team Race Qualifiers | skipper | 1.78 | 1.66 | 7–3 | 7.2 | −0.12 | 0.0 | 70% |
| 2021-03-20 | VISA CCS Team Race Regatta | skipper | 1.35 | -0.79 | 1–3 | 2.3 | −2.15 | 1.5 | 98% |
| League | Name | School | Year |
|---|---|---|---|
| ICSA | Maison Koepke |  College of Charleston |
'27 |
Short write-ups of what the ratings and results show, with the numbers and how they were computed.
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