David Grace

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded2.54unranked (fewer than 10 races or not active)50Fall 2022

Team Race Rating

Rating Rank vs fleet rating Record
1.50 (fleet 2.07) unranked (fewer than 30 matches as skipper, or not active) +0.00 ± 0.18
about what the fleet rating predicts
as skipper 6–9 (40%)
SeasonRegattas Skipper W–LCrew W–L
Spring 202216–9—

Team race surprisal: regatta by regatta

Over 1 graded regattas (15 matches) the record is 6–9 against 5.8 wins the pre-event forecasts expected (+0.2). 0 regattas clearly above the rating (P ≤ 20%), 0 clearly below (P ≥ 80%); 0 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2022-03-19Washington College Team Raceskipper1.361.436–95.8+0.070.057%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2023 Team page Season
America Trophy Skipper B 6 12.3 2.14
85th Boston Dinghy Club Challenge Cup Skipper C 14 15.3 1.56
2023 Truxtun Umsted Skipper B 8 12.6 0.93
Fall 2022 Team page Season
Webb/Wollum Skipper B 18 3.6 1.49
War Memorial Skipper B 6 10.8 2.65
Luce Trophy Skipper B 7 2.7 2.97
Laser South Singlehanded Skipper A 8 8.1 3.23
Chesapeake Invitational Skipper B 13 14.9 —
Carl Van Duyne MAISA Singles Singlehanded Skipper A 14 9.0 3.29
Spring 2022 Team page Season
Washington College Team Race Skipper TR 15 40% —
Spring Open Skipper A 5 1.0 —
Hanbury Trophy Skipper B 14 8.6 1.05
Fall 2021 Team page Season
War Memorial Skipper A 8 14.2 1.85
Luce Trophy Skipper B 5 6.4 1.53
Laser South Singlehanded Skipper A 14 9.9 2.62
Jefferson Cup Skipper B 5 1.6 3.02
Chesapeake Invitational Skipper B 8 14.4 1.13
Spring 2021 Team page Season
Men's Open Singlehanded National Championship Singlehanded Skipper A 14 17.8 3.44
Fall 2019 Team page Season
Webb/Woollum Regatta Skipper B 15 6.4 0.33
Oyster Bowl Skipper A 2 13.0 1.58

Linked Profiles

League Name School Year
ISSA David Grace Georgetown Day SchoolGeorgetown Day School '19
ISSA David Grace Yorktown High SchoolYorktown High School '19

From the notes

Short write-ups of what the ratings and results show, with the numbers and how they were computed.

All notes →