David Larson

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Keelboat1.50unranked (fewer than 10 races or not active)28Fall 2015

Team Race Rating

Rating Rank vs fleet rating Record
2.63 (fleet 3.63) unranked (fewer than 30 matches as skipper, or not active) −0.00 ± 0.18
about what the fleet rating predicts
as skipper 53–32 (62%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2015430–26—
Spring 2014223–6—
2.62.72.82.933.1Spring 2014Spring 2015Staake Trophy (2014-03-22): rating 2.78, fleet rating alone 2.72, offset +0.06; record 12-1 in this boatFrank Mendleblatt Team Tace (2015-02-28): rating 3.01, fleet rating alone 2.92, offset +0.09; record 3-2 in this boatFrank Mendleblatt Team Tace (2015-02-28): rating 3.01, fleet rating alone 2.92, offset +0.09; record 12-0 in this boatJohn Jackson Team Race (2015-03-14): rating 3.04, fleet rating alone 2.95, offset +0.09; record 8-6 in this boat34th Lynne Marchiando Regatta (2015-04-04): rating 2.89, fleet rating alone 2.81, offset +0.07; record 5-10 in this boatFowle Trophy (2015-04-11): rating 2.83, fleet rating alone 2.78, offset +0.04; record 0-1 in this boatFowle Trophy (2015-04-11): rating 2.83, fleet rating alone 2.78, offset +0.04; record 2-7 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 6 graded regattas (85 matches) the record is 53–32 against 54.4 wins the pre-event forecasts expected (−1.4). 2 regattas clearly above the rating (P ≤ 20%), 3 clearly below (P ≥ 80%); 7 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2015-04-11Fowle Trophyskipper3.642.932–83.2−0.710.690%
2015-04-0434th Lynne Marchiando Regattaskipper3.672.635–108.1−1.042.398%
2015-03-14John Jackson Team Raceskipper3.663.098–69.7−0.570.790%
2015-02-28Frank Mendleblatt Team Taceskipper3.663.6615–215.0+0.000.069%
2014-03-22Staake Trophyskipper3.194.4512–110.3+1.261.320%
2014-03-08TR Inviteskipper2.763.7011–58.1+0.941.99%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2016 Team page Season
Thompson Trophy Skipper C 10 6.2 3.90
81st Boston Dinghy Challenge Cup Skipper B 3 6.0 3.99
Fall 2015 Team page Season
St. Mary's College of MD Fall Interconference Skipper A 17 11.4 2.83
Rose Bowl Skipper A 8 12.9 2.73
Oberg Trophy Skipper A 7 6.0 4.17
Hatch Brown Trophy Skipper A 14 10.1 3.51
Danmark Trophy Skipper B 10 8.2 3.71
Coed Atlantic Coast Championship Skipper B 10 9.1 3.64
Captain Hurst Bowl Skipper B 14 7.0 3.94
74th Erwin Schell Trophy Skipper B 12 6.5 4.10
73rd Pine Trophy Keelboat Skipper A 8 5.9 0.60
Spring 2015 Team page Season
John Jackson Team Race Skipper TR 14 57% —
Frank Mendleblatt Team Tace Skipper TR 16 94% —
Fowle Trophy Skipper TR 11 18% —
Coast Guard Alumni Bowl/NE Champs Skipper B 12 9.5 3.39
80th Boston Dinghy Cup Skipper B 9 6.1 4.07
34th Lynne Marchiando Regatta Skipper TR 15 33% —
Fall 2014 Team page Season
St. Mary's Fall Inter-Conference Skipper B 12 4.5 4.37
Phil Harman Cup Keelboat Skipper A 9 3.2 2.12
NE Match Racing Championship Keelboat Skipper A 1 7.0 —
Hoyt Trophy Skipper B 2 11.5 2.04
Hatch Brown Trophy Skipper B 17 7.4 3.71
Danmark Trophy Skipper B 15 10.7 3.45
74th Professor Erwin Schell Trophy Skipper B 8 7.4 3.80
Spring 2014 Team page Season
TR Invite Skipper TR 20 75% —
Staake Trophy Skipper TR 23 70% —
70th Greater Boston Oberg Trophy Skipper B 13 4.8 3.12
BU Trophy Skipper B 6 4.3 3.43
79th Boston Dinghy Cup Skipper C 6 8.8 2.85
Fall 2013 Team page Season
71st Pine Trophy Keelboat Skipper A 10 4.9 1.51
75th Annual Oberg Trophy Skipper C 6 5.0 3.65
Navy Fall Skipper B 20 9.8 3.14
31st Hood Trophy Skipper A 9 10.0 3.06
Hatch Brown Trophy Skipper B 17 9.6 3.07
Danmark Trophy Skipper B 10 12.3 2.64
Atlantic Coast Championships Skipper A 1 17.0 —
73rd Annual Professor Schell Trophy Skipper B 7 8.6 3.33
Spring 2013 Team page Season
Oberg @ BU by NU Skipper A 12 5.2 3.18
George Morris Trophy Skipper A 13 7.8 2.81
Fall 2012 Team page Season
Rose Bowl Regatta Crew B 8 8.5 —
Pine Trophy Keelboat Crew A 9 4.1 —
Nickerson Trophy Skipper A 10 7.9 2.35
Hood Trophy Skipper B 10 8.5 2.99
The Hatch Brown Trophy Skipper C 15 11.3 2.33
George Warren Smith Trophy Skipper B 8 5.2 2.74

From the notes

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

All notes →