Erik Anderson

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded2.6570 of 19866Fall 2025
Keelboat1.499 of 10132Spring 2026

Team Race Rating

Rating Rank vs fleet rating Record
2.25 (fleet 3.61) unranked (fewer than 30 matches as skipper, or not active) +0.01 ± 0.18
about what the fleet rating predicts
as skipper 28–27 (51%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2021114–4—
Fall 201912–4—
Spring 201925–11—
Fall 201812–4—
Spring 201815–4—
1.251.51.75Fall 2018Spring 2019Fall 2019Spring 2021Trick or Treat Team Race (2018-10-27): rating 1.30, fleet rating alone 1.30, offset +0.00; record 2-4 in this boatOlympia Gold Team Race Regatta (2019-03-16): rating 1.56, fleet rating alone 1.54, offset +0.01; record 3-5 in this boat2019 NWISA Team Race Championships (2019-04-27): rating 1.50, fleet rating alone 1.49, offset +0.01; record 2-6 in this boatSeattle Team Race (2019-10-12): rating 1.51, fleet rating alone 1.50, offset +0.01; record 2-4 in this boatNWISA Team Race Championship (2021-04-24): rating 1.83, fleet rating alone 1.85, offset -0.02; record 14-4 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 (55 matches) the record is 28–27 against 25.2 wins the pre-event forecasts expected (+2.8). 1 regatta clearly above the rating (P ≤ 20%), 2 clearly below (P ≥ 80%); 7 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2021-04-24NWISA Team Race Championshipskipper1.943.7914–49.2+1.854.81%
2019-10-12Seattle Team Raceskipper1.610.052–43.5−1.561.397%
2019-04-272019 NWISA Team Race Championshipsskipper1.541.772–61.8+0.230.057%
2019-03-16Olympia Gold Team Race Regattaskipper1.600.753–54.2−0.850.690%
2018-10-27Trick or Treat Team Raceskipper1.331.692–41.7+0.350.157%
2018-05-05NWISA JV Team Race Districtsskipper1.151.255–44.9+0.100.061%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2021 Team page Season
Seattle Scrimmage Skipper A 9 3.3 0.96
NWISA Team Race Championship Skipper TR 18 78% —
NWISA Doublehanded Champs Skipper A 12 3.8 2.10
2021 ISSA Mallory Fleet Race National Championship Skipper A 8 14.0 -0.18
Spring 2020 Team page Season
Island Cup - GOLD Skipper A 5 2.0 3.68
Fall 2019 Team page Season
Seattle Team Race Skipper TR 6 33% —
NWISA Singlehanded Championship - Radial Singlehanded Skipper A 16 4.4 2.16
NWISA Keelboat Invitational Qualifier Keelboat Skipper A 5 3.2 1.57
NWISA Fall Championship Skipper A 4 5.5 1.95
Cascadia Cup - Gold Skipper A 9 6.1 1.45
Spring 2019 Team page Season
SSP Combined Division - GOLD Skipper A 7 9.3 0.72
Olympia Gold Team Race Regatta Skipper TR 8 38% —
NWISA Ranking Regatta #2 Skipper A 7 4.6 2.33
NWISA North Regionals Skipper A 5 5.0 1.81
2019 NWISA Team Race Championships Skipper TR 9 33% —
2019 NWISA Fleet Race Championships Skipper A 10 7.5 1.35
Fall 2018 Team page Season
Trick or Treat Team Race Skipper TR 6 33% —
NWISA North Regionals Skipper A 4 2.8 2.41
NWISA Keelboats Qualifier Keelboat Skipper A 6 3.0 1.49
NWISA Fall Championship - Silver Fleet Skipper A 6 3.7 2.09
Cascadia Cup - GOLD Skipper A 7 13.4 -1.02
Burke Thomas Trophy - Radial Singlehanded Skipper A 14 3.9 2.26
Spring 2018 Team page Season
SSP Combined Division - SILVER Skipper A 6 7.3 0.88
Quartermaster Ranking Regatta (SILVER) Skipper A 10 8.0 0.59
Port Townsend Open Skipper A 7 4.1 1.97
Mt. Baker Open Skipper A 7 5.0 1.33

Linked Profiles

League Name School Year
ICSA Erik Anderson University of HawaiiUniversity of Hawaii '26
ISSA Erik Anderson Seattle Academy of Arts & SciencesSeattle Academy of Arts & Sciences '21
ISSA Erik Anderson Seattle Waldorf SchoolSeattle Waldorf School '21
ISSA Erik Anderson Ingraham High SchoolIngraham High School '21
ISSA Erik Anderson inglemooringlemoor '21

From the notes

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

All notes →

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