Jack Marshall

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded3.35unranked (fewer than 10 races or not active)145Fall 2017

Team Race Rating

Rating Rank vs fleet rating Record
2.91 (fleet 4.04) unranked (fewer than 30 matches as skipper, or not active) −0.02 ± 0.18
about what the fleet rating predicts
as skipper 97–58 (63%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2018537–26—
Spring 201716–8—
Spring 2016221–3—
Fall 201513–4—
Spring 2015327–16—
Fall 201413–1—
2.52.62.72.82.933.1Spring 2015Fall 2015Spring 2016Spring 2017Spring 2018John Jackson Team Race (2015-03-14): rating 2.78, fleet rating alone 2.75, offset +0.03; record 1-1 in this boatJohn Jackson Team Race (2015-03-14): rating 2.78, fleet rating alone 2.75, offset +0.03; record 1-3 in this boatJohn Jackson Team Race (2015-03-14): rating 2.78, fleet rating alone 2.75, offset +0.03; record 2-2 in this boatJohn Jackson Team Race (2015-03-14): rating 2.78, fleet rating alone 2.75, offset +0.03; record 3-1 in this boatC.J. Woollum Team Race (2015-03-21): rating 2.76, fleet rating alone 2.75, offset +0.01; record 9-6 in this boatMAISA/SAISA Team Race (2015-03-28): rating 2.73, fleet rating alone 2.75, offset -0.02; record 11-3 in this boatHap Moore Team Race (2015-11-07): rating 2.72, fleet rating alone 2.71, offset +0.01; record 1-1 in this boatHap Moore Team Race (2015-11-07): rating 2.72, fleet rating alone 2.71, offset +0.01; record 1-1 in this boatHap Moore Team Race (2015-11-07): rating 2.72, fleet rating alone 2.71, offset +0.01; record 1-2 in this boatJohn Jackson Memorial Team Race (2016-03-12): rating 2.68, fleet rating alone 2.70, offset -0.01; record 2-0 in this boatJohn Jackson Memorial Team Race (2016-03-12): rating 2.68, fleet rating alone 2.70, offset -0.01; record 2-0 in this boatWashington College Team Race (2016-03-19): rating 2.70, fleet rating alone 2.70, offset -0.00; record 17-3 in this boatSouthern New England Team Race (2017-03-18): rating 2.90, fleet rating alone 2.92, offset -0.03; record 6-8 in this boatSt. Mary's Quad Team Race (2018-02-24): rating 2.90, fleet rating alone 2.97, offset -0.06; record 13-7 in this boatBob Bavier Team Race (2018-03-03): rating 2.80, fleet rating alone 2.85, offset -0.05; record 8-11 in this boatGraham Hall Team Race (2018-03-17): rating 2.77, fleet rating alone 2.84, offset -0.08; record 2-0 in this boatGraham Hall Team Race (2018-03-17): rating 2.77, fleet rating alone 2.84, offset -0.08; record 3-1 in this boatAdmiral Moore Team Race (2018-03-24): rating 2.75, fleet rating alone 2.82, offset -0.07; record 10-7 in this boatLaserPerformance Team Race National Championship (2018-05-26): rating 2.62, fleet rating alone 2.69, offset -0.07; record 1-0 in this boatTeam race rating

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.

Team race surprisal: regatta by regatta

Over 12 graded regattas (154 matches) the record is 96–58 against 98.3 wins the pre-event forecasts expected (−2.3). 1 regatta clearly above the rating (P ≤ 20%), 6 clearly below (P ≥ 80%); 10 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2018-03-24Admiral Moore Team Raceskipper3.333.8310–78.6+0.500.530%
2018-03-17Graham Hall Team Raceskipper3.474.235–14.4+0.760.348%
2018-03-03Bob Bavier Team Raceskipper3.402.368–1111.2−1.042.498%
2018-02-24St. Mary's Quad Team Raceskipper3.483.6913–712.2+0.210.145%
2017-03-18Southern New England Team Raceskipper3.402.746–87.7−0.660.891%
2016-03-19Washington College Team Raceskipper3.212.3917–318.5−0.810.994%
2016-03-12John Jackson Memorial Team Raceskipper3.296.294–03.8≥+3.000.383%
2015-11-07Hap Moore Team Raceskipper3.113.053–43.1−0.060.068%
2015-03-28MAISA/SAISA Team Raceskipper2.944.0411–38.3+1.092.09%
2015-03-21C.J. Woollum Team Raceskipper3.092.459–610.4−0.640.690%
2015-03-14John Jackson Team Raceskipper2.892.497–78.2−0.400.384%
2014-11-08Hap Moore Team Raceskipper2.714.233–11.9+1.521.222%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2018 Team page Season
St. Mary's Quad Team Race Skipper TR 9 89% —
Navy Spring Skipper A 8 10.2 3.75
LaserPerformance Team Race National Championship Skipper TR 27 70% —
Graham Hall Team Race Skipper TR 20 70% —
Bob Bavier Team Race Skipper TR 19 42% —
Admiral Moore Team Race Skipper TR 17 59% —
Fall 2017 Team page Season
Truxtun Umsted Skipper D 13 5.0 4.29
Tom Curtis Memorial Regatta Skipper A 6 4.2 4.69
Nevins Trophy Skipper C 15 5.1 4.21
Laser South Singlehanded Skipper A 14 5.0 3.99
Kings Point Dinghy Open Skipper A 4 3.5 4.45
Carl Van Duyne - MAISA Singles Singlehanded Skipper A 14 6.2 3.84
Spring 2017 Team page Season
Southern New England Team Race Skipper TR 14 43% —
Charleston Spring Coed Skipper B 17 6.3 3.73
Fall 2016 Team page Season
NY Maritime Fall Open Skipper B 13 3.2 3.52
LaserPerformance Men's Singlehanded Nationals Singlehanded Skipper A 14 10.1 3.08
Laser South Singlehanded Skipper A 14 3.5 4.85
Carl Van Duyne MAISA Singles Singlehanded Skipper A 14 2.9 4.99
Spring 2016 Team page Season
Washington College Team Race Skipper TR 20 85% —
Robert P. Arrigan Memorial Regatta Skipper A 4 4.0 2.48
John Jackson Memorial Team Race Skipper TR 14 93% —
Fall 2015 Team page Season
Truxtun Umsted Skipper D 18 6.4 3.61
MAISA Laser Eliminator Singlehanded Skipper A 18 5.3 3.53
Laser South Singlehanded Skipper A 13 8.5 2.95
Hap Moore Team Race Skipper TR 16 62% —
Carl Van Duyne Singlehanded Skipper A 13 7.7 3.33
Spring 2015 Team page Season
MAISA/SAISA Team Race Skipper TR 14 79% —
John Jackson Team Race Skipper TR 14 50% —
C.J. Woollum Team Race Skipper TR 15 60% —
Arrigan Memorial Regatta Skipper A 10 4.5 1.88
Fall 2014 Team page Season
Navy Fall Skipper D 14 7.1 3.38
MAISA Laser Elimination Singlehanded Skipper A 8 5.6 3.19
Laser South Singlehanded Skipper A 9 10.4 2.67
Hap Moore Team Race Skipper TR 11 46% —
Carl Van Duyne MAISA Men's Singles Singlehanded Skipper A 14 8.5 3.28

From the notes

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

All notes →