Ethan Polsen

Rating History

Team Race Rating

Rating Rank vs fleet rating Record
1.09 (fleet 1.48) unranked (fewer than 30 matches as skipper, or not active) +0.01 ± 0.18
about what the fleet rating predicts
as skipper 11–12 (48%)
SeasonRegattas Skipper W–LCrew W–L
Spring 202621–4—
Spring 202511–3—
Spring 202429–5—
0.50.751Spring 2024Spring 2025Spring 2026SEISA Open Team Racing Championship (2024-04-06): rating 0.44, fleet rating alone 0.44, offset -0.00; record 5-3 in this boatSEISA Open Team Race Championship (2025-04-05): rating 0.65, fleet rating alone 0.64, offset +0.01; record 1-3 in this boatMcCarthy Cup (2026-03-07): rating 1.02, fleet rating alone 1.00, offset +0.02; record 1-1 in this boatSEISA Open Team Race Conference Championship (2026-04-03): rating 0.99, fleet rating alone 0.97, offset +0.02; record 0-3 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 4 graded regattas (21 matches) the record is 10–11 against 8.2 wins the pre-event forecasts expected (+1.8). 1 regatta clearly above the rating (P ≤ 20%), 2 clearly below (P ≥ 80%); 2 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2026-04-03SEISA Open Team Race Conference Championshipskipper1.23-1.770–30.0≤−3.000.0>99%
2025-04-05SEISA Open Team Race Championshipskipper0.811.731–30.6+0.920.356%
2024-04-06SEISA Open Team Racing Championshipskipper0.602.295–33.4+1.691.913%
2024-02-03Q1 Regattaskipper0.500.234–24.2−0.270.081%

Regatta results

Regatta Role Div Races Avg Rating
Fall 2026 Team page Season
Emma B. Memorial Regatta 2026 Skipper B 8 3.0 1.77
Spring 2026 Team page Season
SEISA Open Team Race Conference Championship Skipper TR 9 44% —
McCarthy Cup Skipper TR 6 33% —
Harris Kempner Skipper B 8 3.8 1.20
Fall 2025 Team page Season
Troy Swetnam Memorial Regatta 2025 Skipper B 10 3.5 0.00
Kathryn Hammond Skipper B 11 6.3 -0.94
Spring 2025 Team page Season
SEISA Open Team Race Championship Skipper TR 4 25% —
SEISA Open Fleet Race Championship Skipper A 4 5.5 1.05
Harris Kempner Memorial Skipper A 10 4.5 1.00
CCYC Spring Opener Skipper B 8 3.5 0.67
Fall 2024 Team page Season
CCYC Fall Open #2 Skipper A 10 2.1 1.38
Corpus Christi Fall Open #3 Skipper A 6 4.0 -0.07
Spring 2024 Team page Season
Spring Opener Skipper A 8 5.8 -0.49
SEISA Open Team Racing Championship Skipper TR 8 62% —
Q1 Regatta Skipper TR 3 67% —
Fall 2023 Team page Season
Sugar Bowl Open Skipper B 4 17.2 —
Kathryn Hammond Memorial Skipper B 18 7.6 -1.49

Linked Profiles

League Name School Year
ISSA Ethan Polsen Clear Falls High SchoolClear Falls High School '23

From the notes

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

All notes →