Mounds Park Academy '25
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: 33.92 percentile among ISSA crews with 30+ races. Uncertainty ±0.103 rating points from 123 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 |
|---|---|---|---|
| 0.12 | unranked (fewer than 30 matches as skipper, or not active) | +0.00 about what the fleet rating predicts |
as crew 10–35 (22%) |
| Season | Regattas | Skipper W–L | Crew W–L |
|---|---|---|---|
| Spring 2025 | 1 | — | 4–8 |
| Spring 2023 | 1 | — | 3–12 |
| Spring 2022 | 1 | — | 3–15 |
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 (45 matches) the record is 10–35 against 13.3 wins the pre-event forecasts expected (−3.3). 0 regattas clearly above the rating (P ≤ 20%), 1 clearly below (P ≥ 80%); 5 bits of surprise in all.
| Date | Regatta | Role | Value | Perf. | Record | Exp. wins |
Δ | Surprise (bits) |
P(this good or better) |
|---|---|---|---|---|---|---|---|---|---|
| 2025-05-10 | LMSS Team Race 2025 | crew | 0.58 | 1.06 | 4–8 | 3.2 | +0.48 | 0.2 | 40% |
| 2023-05-13 | LMSS Team Race | crew | -0.25 | 0.08 | 3–12 | 2.5 | +0.33 | 0.1 | 48% |
| 2022-05-21 | Spring LMSS Team Race 2022 | crew | -0.07 | -2.20 | 3–15 | 7.6 | −2.12 | 5.0 | >99% |
| Regatta | Role | Div | Races | Avg | Rating |
|---|---|---|---|---|---|
| Fall 2024 Season | |||||
| Dusty Waters Regatta_C420 | Crew | B | 6 | 12.0 | -0.14 |
| Art Johson | Crew | A | 12 | 7.5 | -0.23 |
| Spring 2024 Season | |||||
| MSS #3 @WBSS | Crew | B | 3 | 8.0 | -0.00 |
| MSS #2 | Crew | A | 8 | 8.6 | +0.10 |
| Fall 2023 Season | |||||
| MISSA West Great Lakes Qualifier 2023 | Crew | A | 8 | 6.2 | -0.06 |
| Art Johnson | Crew | A | 12 | 9.2 | -0.24 |
| 2023 Fall MN Conference #1 | Crew | B | 5 | 8.6 | +0.05 |
| Fall 2022 Season | |||||
| MISSA West Great Lakes Qual | Crew | B | 12 | 7.3 | +0.25 |
| MISSA Great Lakes Championship | Crew | B | 8 | 19.6 | -0.42 |
| Conference #1 | Crew | B | 5 | 8.2 | +0.22 |
| Art Johnson | Crew | B | 10 | 6.2 | +0.37 |
| 2022 MN Fall Conference #2 | Crew | A | 4 | 14.8 | -0.19 |
| Spring 2022 Season | |||||
| MSS Conference #2 | Crew | A | 2 | 2.5 | — |
| MN Girls State Champ | Crew | A | 2 | 5.5 | — |
| Minnesota Conference #4 | Crew | A | 4 | 12.5 | — |
| Fall 2021 Season | |||||
| MN Fall Conference #2 | Crew | B | 2 | 20.0 | — |
| MN Conference #1 | Crew | B | 2 | 11.5 | — |
| West Great Lakes Qualifier | Crew | B | 7 | 9.7 | — |
| Art Johnson | Crew | B | 5 | 15.6 | — |
| League | Name | School | Year |
|---|---|---|---|
| ISSA | Sofie Muschenheim |  Mahtomedi |
'25 |
| ISSA | Sofie Muschenheim |  Mounds View High School |
'25 |
| ISSA | Sofie Muschenheim |  White Bear Lake High School |
'25 |
Short write-ups of what the ratings and results show, with the numbers and how they were computed.
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