Nathan Grundmeier

Rating History

Crew Rating

Career: 69.06 percentile of ICSA crews (limited evidence)

No season rating yet: needs 8+ crewed races in a season.

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded-0.51unranked (fewer than 10 races or not active)8Fall 2014

Team Race Rating

Rating Rank vs fleet rating Record
-0.44 (fleet -0.71) unranked (fewer than 30 matches as skipper, or not active) +0.00 ± 0.18
about what the fleet rating predicts
as skipper 8–25 (24%)
as crew 1–2 (33%)
SeasonRegattas Skipper W–LCrew W–L
Spring 201921–10—
Spring 201826–12—
Spring 201611–3—
Spring 20151—1–2
-0.7-0.6-0.5-0.4Spring 2018Spring 2019NWISA Bellingham Team Race (2018-04-21): rating -0.73, fleet rating alone -0.73, offset -0.01; record 1-1 in this boatNWISA Bellingham Team Race (2018-04-21): rating -0.73, fleet rating alone -0.73, offset -0.01; record 1-5 in this boatNWISA Team Race Championship (2018-05-05): rating -0.69, fleet rating alone -0.70, offset +0.01; record 4-6 in this boatGig Harbor Silver Team Race (2019-03-16): rating -0.46, fleet rating alone -0.49, offset +0.03; record 0-1 in this boatGig Harbor Silver Team Race (2019-03-16): rating -0.46, fleet rating alone -0.49, offset +0.03; record 1-1 in this boatPortland Team Race (2019-04-06): rating -0.45, fleet rating alone -0.48, offset +0.03; record 0-2 in this boatPortland Team Race (2019-04-06): rating -0.45, fleet rating alone -0.48, offset +0.03; record 0-6 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 5 graded regattas (33 matches) the record is 8–25 against 7.6 wins the pre-event forecasts expected (+0.4). 1 regatta clearly above the rating (P ≤ 20%), 2 clearly below (P ≥ 80%); 5 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2019-04-06Portland Team Raceskipper-0.33-3.330–81.6≤−3.002.4>99%
2019-03-16Gig Harbor Silver Team Raceskipper-0.37-0.361–21.0+0.010.071%
2018-05-05NWISA Team Race Championshipskipper-0.720.744–62.2+1.461.613%
2018-04-21NWISA Bellingham Team Raceskipper-0.740.142–61.2+0.880.436%
2016-04-30SSP Team Race - SILVERskipper-0.80-1.781–31.6−0.990.390%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2019 Team page Season
SSP Combined Division - SILVER Skipper B 2 24.0 —
South Regional Kickoff Skipper B 8 8.6 -0.96
Portland Team Race Skipper TR 8 0% —
Islands Cup 2019 Skipper A 6 15.8 -1.14
Gig Harbor Silver Team Race Skipper TR 8 50% —
Anacortes Silver Fleet Skipper B 7 17.0 -1.81
Spring 2018 Team page Season
SSP Combined Division - SILVER Skipper B 6 28.3 —
Quartermaster Ranking Regatta (SILVER) Skipper B 10 11.8 -0.46
NWISA Team Race Championship Skipper TR 10 40% —
NWISA South Regionals Skipper B 4 9.0 -1.52
NWISA Silver Fleet Race Skipper B 4 22.0 —
NWISA Bellingham Team Race Skipper TR 14 50% —
ISLANDS CUP Crew B — — —
Spring 2016 Team page Season
SSP Team Race - SILVER Skipper TR — — —
NWISA Olympia Regatta Skipper A 3 32.0 —
NWISA JV Fleet Bellingham Skipper B 7 21.9 —
NWISA Islands Cup Skipper B 4 33.8 —
NWISA Combined Division SILVER Skipper B 2 30.5 —
Spring 2015 Team page Season
SSP Combined Division - GOLD Crew A 2 17.0 —
NWISA South Regionals Crew A 3 6.7 —
NWISA Silverdale Team Race Varsity Crew TR — — —
Mt. Baker Open Crew A, B 6 8.5 —
NWISA Kick Off Crew A 6 12.0 —
NWISA Islands Cup Crew A 2 10.0 —
Fall 2014 Team page Season
NWISA Singlehanded Champs - Radial Singlehanded Skipper A 8 9.1 0.26

From the notes

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

All notes →

To have this profile removed, email quinnbrighton2005@gmail.com.