Robert Johnston

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded0.83unranked (fewer than 10 races or not active)4Fall 2014
Keelboat0.43unranked (fewer than 10 races or not active)7Fall 2014

Team Race Rating

Rating Rank vs fleet rating Record
0.76 (fleet 1.05) unranked (fewer than 30 matches as skipper, or not active) +0.00 ± 0.18
about what the fleet rating predicts
as skipper 24–42 (36%)
SeasonRegattas Skipper W–LCrew W–L
Spring 201529–5—
Fall 201416–2—
Spring 201427–25—
Fall 201312–10—
0.40.50.60.70.80.9Spring 2014Fall 2014Spring 2015McIntyre Team Race (2014-03-01): rating 0.59, fleet rating alone 0.61, offset -0.02; record 1-1 in this boatMcIntyre Team Race (2014-03-01): rating 0.59, fleet rating alone 0.61, offset -0.02; record 4-12 in this boatMCSA Team Race Championship (2014-04-19): rating 0.56, fleet rating alone 0.55, offset +0.01; record 2-12 in this boatBig Ten Team Race (2014-10-25): rating 0.75, fleet rating alone 0.74, offset +0.01; record 0-2 in this boatBig Ten Team Race (2014-10-25): rating 0.75, fleet rating alone 0.74, offset +0.01; record 1-0 in this boatBig Ten Team Race (2014-10-25): rating 0.75, fleet rating alone 0.74, offset +0.01; record 2-0 in this boatBig Ten Team Race (2014-10-25): rating 0.75, fleet rating alone 0.74, offset +0.01; record 3-0 in this boatBig Ten Team Race (2015-04-11): rating 0.83, fleet rating alone 0.79, offset +0.04; record 8-2 in this boatMCSA Team Race Championship (2015-04-17): rating 0.82, fleet rating alone 0.78, offset +0.04; record 1-3 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 (66 matches) the record is 24–42 against 21.9 wins the pre-event forecasts expected (+2.1). 1 regatta clearly above the rating (P ≤ 20%), 3 clearly below (P ≥ 80%); 4 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2015-04-17MCSA Team Race Championshipskipper1.481.261–31.1−0.220.080%
2015-04-11Big Ten Team Raceskipper1.492.058–27.8+0.560.170%
2014-10-25Big Ten Team Raceskipper1.292.166–25.2+0.870.537%
2014-04-19MCSA Team Race Championshipskipper1.080.772–122.1−0.310.087%
2014-03-01McIntyre Team Raceskipper0.652.205–132.6+1.552.85%
2013-11-02Big Ten Team Raceskipper0.59-0.362–103.1−0.950.893%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2015 Team page Season
Northwestern Spring Skipper A 4 4.8 1.73
MCSA Team Race Championship Skipper TR 8 38% —
MCSA Coed Championship Skipper A 2 7.5 0.42
3 Division Regatta Skipper A 10 3.6 1.47
Big Ten Team Race Skipper TR 10 80% —
Fall 2014 Team page Season
MCSA Mens Singlehands Singlehanded Skipper A 4 6.0 -1.19
MCSA Sloop Championship Keelboat Skipper A 7 5.0 -0.66
Big Ten Team Race Skipper TR 10 60% —
Spring 2014 Team page Season
Wisconsin 3-Division Skipper B 4 3.2 1.77
MCSA Team Race Championship Skipper TR 15 20% —
McIntyre Team Race Skipper TR 18 28% —
Fall 2013 Team page Season
Big Ten Team Race Skipper TR 12 17% —
Spring 2013 Team page Season
Northwestern Invite Skipper A 1 13.0 -1.55

From the notes

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

All notes →