Ian Marshall

Rating History

Team Race Rating

Rating Rank vs fleet rating Record
0.99 (fleet 1.36) unranked (fewer than 30 matches as skipper, or not active) +0.00 ± 0.18
about what the fleet rating predicts
as skipper 10–24 (29%)
SeasonRegattas Skipper W–LCrew W–L
Spring 202227–13—
Spring 202013–4—
Spring 201910–7—
0.80.911.1Spring 2020Spring 2022Cal Team Race (2020-02-08): rating 0.96, fleet rating alone 0.98, offset -0.01; record 3-4 in this boatCal Team Race (2022-02-12): rating 0.96, fleet rating alone 0.97, offset -0.02; record 1-5 in this boatCarter Ford PCCSC Open Team Race Championship (2022-04-08): rating 0.90, fleet rating alone 0.93, offset -0.03; record 6-8 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 4 graded regattas (34 matches) the record is 10–24 against 9.2 wins the pre-event forecasts expected (+0.8). 1 regatta 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)
2022-04-08Carter Ford PCCSC Open Team Race Championshipskipper1.183.576–83.1+2.395.01%
2022-02-12Cal Team Raceskipper1.26-0.311–52.2−1.571.398%
2020-02-08Cal Team Raceskipper1.280.973–43.2−0.310.181%
2019-01-26Gaucho Team Raceskipper0.77-2.230–70.6≤−3.000.9>99%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2022 Team page Season
Rainier Cup Skipper A 6 7.5 -0.28
North Designate/St. Francis Skipper B 6 8.2 1.68
Mustang Open Skipper B 4 5.0 2.38
Jeff Simon Open Skipper B 7 7.6 1.65
Carter Ford PCCSC Open Team Race Championship Skipper TR 14 43% —
Cal Team Race Skipper TR 6 17% —
Peter Wenner Rainbow Invite Skipper A 12 11.1 1.11
Fall 2021 Team page Season
UCSD Open Skipper A 8 12.1 1.44
Stoney Burke Co-Ed Varsity Skipper B 9 7.0 1.63
Fall Pacific Coast Championship Skipper B 6 8.3 1.36
2022 Rose Bowl Regatta Skipper B 4 14.8 0.35
Spring 2020 Team page Season
Peter Wenner Rainbow Invite Skipper B 6 5.5 1.82
Mustang Open Skipper B 8 3.1 2.53
Jeff Simon Memorial Regatta Skipper A 6 10.2 1.25
Cal Team Race Skipper TR 7 43% —
Anteater Open Skipper B 8 4.4 1.20
Fall 2019 Team page Season
UCSD Open Skipper B 10 9.8 1.42
Stoney Burke JV Skipper A 11 6.8 1.36
Fall Pacific Coast Champs - JV Skipper A 9 8.9 1.59
Spring 2019 Team page Season
PCCSC Southern Area Designate Skipper B 6 10.8 1.33
Mustang Open JV Skipper A 6 3.0 2.22
Jeff Simon Memorial Regatta Skipper A 6 16.2 -0.17
Gaucho Team Race Skipper TR 7 0% —
Fall 2018 Team page Season
Frosh/Soph Skipper A 9 12.9 1.16
Stoney Burke JV Skipper B 8 6.0 0.80
Fall Pacific Coast Champs - JV Skipper A 9 10.2 0.80

From the notes

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

All notes →