Grafton 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: 23.04 percentile among ISSA crews with 30+ races. Uncertainty ±0.114 rating points from 24 races with rated skippers. Few races, so the estimate stays near the middle.
How crew ratings work →No season rating yet: needs 8+ crewed races in a season.
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 | 2.32 | unranked (fewer than 10 races or not active) | 24 | Fall 2023 |
| Regatta | Role | Div | Races | Avg | Rating |
|---|---|---|---|---|---|
| Spring 2019 Team page Season | |||||
| VISA Mathews Grafton Tabb Fleet Race Regatta | Crew | B | 7 | 5.6 | — |
| League | Name | School | Year |
|---|---|---|---|
| ISSA | Henry Ciszewski |  Hilton Head Preparatory School |
'24 |
| ISSA | Henry Ciszewski |  Mathews High School |
'24 |
| ISSA | Henry Ciszewski |  Nansemond-Suffolk Academy |
'24 |
Short write-ups of what the ratings and results show, with the numbers and how they were computed.
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