Keen Butcher

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded2.16unranked (fewer than 10 races or not active)100Fall 2017

Team Race Rating

Rating Rank vs fleet rating Record
1.82 (fleet 2.51) unranked (fewer than 30 matches as skipper, or not active) +0.00 ± 0.18
about what the fleet rating predicts
as skipper 36–48 (43%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2018313–19—
Spring 201715–9—
Spring 2016112–8—
Spring 201516–12—
1.61.71.81.922.12.2Spring 2016Spring 2017Spring 2018Washington College Team Race (2016-03-19): rating 2.04, fleet rating alone 2.05, offset -0.02; record 12-8 in this boatMAISA Team Race Challenge (2017-04-01): rating 1.90, fleet rating alone 1.83, offset +0.07; record 1-1 in this boatMAISA Team Race Challenge (2017-04-01): rating 1.90, fleet rating alone 1.83, offset +0.07; record 4-8 in this boatGraham Hall Team Race (2018-03-17): rating 1.80, fleet rating alone 1.74, offset +0.06; record 0-3 in this boatAdmiral Moore Team Race (2018-03-24): rating 1.78, fleet rating alone 1.73, offset +0.05; record 6-8 in this boatTeam Race Challenge (2018-03-31): rating 1.72, fleet rating alone 1.68, offset +0.04; record 7-8 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 (84 matches) the record is 36–48 against 28.4 wins the pre-event forecasts expected (+7.6). 1 regatta clearly above the rating (P ≤ 20%), 1 clearly below (P ≥ 80%); 12 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2018-03-31Team Race Challengeskipper2.282.377–86.7+0.090.055%
2018-03-24Admiral Moore Team Raceskipper2.282.116–86.4−0.170.172%
2018-03-17Graham Hall Team Raceskipper2.40-0.600–30.2≤−3.000.2>99%
2017-04-01MAISA Team Race Challengeskipper2.522.535–95.0+0.020.061%
2016-03-19Washington College Team Raceskipper2.294.3912–84.3+2.1012.0<1%
2015-03-28Admiral Moore Team Raceskipper2.212.266–125.8+0.050.056%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2018 Team page Season
Team Race Challenge Skipper TR 15 47% —
Graham Hall Team Race Skipper TR 15 20% —
America Trophy Skipper A 6 14.0 2.15
Admiral Moore Team Race Skipper TR 14 43% —
The 82nd Annual Boston Dinghy Club Challenge Cup Skipper A 6 11.2 2.50
Fall 2017 Team page Season
Truxtun Umsted Skipper C 13 11.8 2.24
Rose Bowl Regatta 2018 Skipper A 8 9.4 3.62
Riley Cup Skipper A 12 9.8 2.15
Nevins Trophy Skipper C 15 9.2 3.19
MAISA Laser Elimination Singlehanded Skipper A 10 7.2 2.97
Carl Van Duyne - MAISA Singles Singlehanded Skipper A 14 9.6 3.04
Atlantic Coast Tournament Skipper A 16 11.6 -1.35
Spring 2017 Team page Season
MAISA Team Race Challenge Skipper TR 14 36% —
Central Spring Open Skipper A 6 7.0 1.51
Fall 2016 Team page Season
Rose Bowl Skipper A 3 14.0 2.69
Philly Fleet Race Skipper B 3 5.0 0.12
Nevins Trophy Skipper C 16 10.9 2.72
Laser Elimination Singlehanded Skipper A 13 5.1 3.71
Spring 2016 Team page Season
Washington College Team Race Skipper TR 20 60% —
Admiral's Cup Skipper C 11 10.5 2.50
Fall 2015 Team page Season
Truxtun Umsted Skipper C 18 9.0 3.09
Rose Bowl Skipper B 8 11.5 2.46
Nevins Trophy Skipper C 18 7.6 3.01
MAISA Club Championship Skipper B 6 6.5 1.78
Laser North Singlehanded Skipper A 14 5.8 2.94
Carl Van Duyne Singlehanded Skipper A 13 11.8 2.15
Spring 2015 Team page Season
ODU Open Skipper B 12 5.6 2.35
Admiral Moore Team Race Skipper TR 18 33% —
Admiral's Cup Skipper C 9 10.1 2.85
Fall 2014 Team page Season
Rose Bowl Regatta Skipper B 8 10.8 2.54
Philly Fleet Race Skipper A 4 1.8 2.64
Nevins Trophy Skipper C 11 9.3 2.85
Navy Fall Skipper C 15 11.8 2.65
MAISA Laser Elimination Singlehanded Skipper A 8 6.8 2.88
Laser North Singlehanded Skipper A 14 6.9 2.40
Carl Van Duyne MAISA Men's Singles Singlehanded Skipper A 14 10.6 2.77

From the notes

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

All notes →