Jonathan Sager

Rating History

Crew Rating

Career: 70.83 percentile of ICSA crews (limited evidence)

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

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded2.03unranked (fewer than 10 races or not active)19Fall 2018
Keelboat1.09unranked (fewer than 10 races or not active)1Fall 2018

Team Race Rating

Rating Rank vs fleet rating Record
1.91 (fleet 2.63) unranked (fewer than 30 matches as skipper, or not active) +0.00 ± 0.18
about what the fleet rating predicts
as skipper 32–43 (43%)
as crew 0–1 (0%)
SeasonRegattas Skipper W–LCrew W–L
Spring 202113–6—
Spring 2019317–22—
Spring 2018212–13—
Spring 201710–20–1
1.31.41.51.6Spring 2018Spring 2019Spring 2021SEISA Team Racing Championship (2018-04-08): rating 1.39, fleet rating alone 1.39, offset -0.00; record 9-1 in this boatLaserPerformance Team Race National Championship (2018-05-26): rating 1.37, fleet rating alone 1.38, offset -0.01; record 0-1 in this boatLaserPerformance Team Race National Championship (2018-05-26): rating 1.37, fleet rating alone 1.38, offset -0.01; record 3-11 in this boatNelson Roltsch Team Race (2019-02-16): rating 1.45, fleet rating alone 1.44, offset +0.01; record 6-8 in this boatSEISA Team Race Championship (2019-04-20): rating 1.47, fleet rating alone 1.47, offset +0.01; record 8-2 in this boatLaserPerformance Team Race National Championship (2019-05-25): rating 1.52, fleet rating alone 1.51, offset +0.01; record 3-12 in this boatSEISA Team Race Championship (2021-04-24): rating 1.49, fleet rating alone 1.49, offset +0.00; record 3-6 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 6 graded regattas (73 matches) the record is 32–41 against 30.8 wins the pre-event forecasts expected (+1.2). 0 regattas clearly above the rating (P ≤ 20%), 2 clearly below (P ≥ 80%); 1 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2021-04-24SEISA Team Race Championshipskipper1.951.873–63.0−0.080.082%
2019-05-25LaserPerformance Team Race National Championshipskipper2.082.423–122.6+0.340.152%
2019-04-20SEISA Team Race Championshipskipper1.982.288–27.6+0.300.154%
2019-02-16Nelson Roltsch Team Raceskipper1.851.566–86.4−0.290.178%
2018-05-26LaserPerformance Team Race National Championshipskipper1.722.613–121.9+0.890.728%
2018-04-08SEISA Team Racing Championshipskipper1.551.119–19.3−0.430.186%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2021 Team page Season
SEISA Team Race Championship Skipper TR 9 33% —
SEISA Coed Championship Skipper A 4 2.8 0.18
Spring 2020 Team page Season
Harris Kempner Memorial Skipper A 12 1.5 3.46
Spring 2019 Team page Season
SEISA Team Race Championship Skipper TR 9 78% —
SEISA Coed Championship Skipper B 6 1.5 3.20
Q1 Regatta Skipper A 6 3.0 1.75
Nelson Roltsch Team Race Skipper TR 14 43% —
LaserPerformance Team Race National Championship Skipper TR 15 20% —
Gill Coed Eastern Semifinals Skipper B 14 13.0 2.27
Fall 2018 Team page Season
SEISA Singlehanded Championship (Coed) Singlehanded Skipper A 7 4.3 1.30
ICSA Match Race National Championship Keelboat Skipper A 1 10.0 —
Troy Swetman Regatta Skipper A 12 4.1 1.04
Spring 2018 Team page Season
SEISA Team Racing Championship Skipper TR 6 100% —
SEISA Dinghy Championship Crew A 7 1.1 —
Qualifier 1 Skipper B 6 2.2 2.29
Navy Spring Crew A, B 12 12.5 —
LaserPerformance Team Race National Championship Skipper TR 15 20% —
2018 Harris Kempner Skipper A 4 3.0 2.32
Spring 2017 Team page Season
Qualifier 1 Crew A 7 2.3 —
Navy Spring Skipper B 3 15.3 1.02
LaserPerformance Team Race National Championship Skipper TR 15 7% —
Gill Coed Eastern Semifinal Skipper B 2 14.0 1.84
Barnyard Bizzare Skipper A 8 2.8 1.79
Fall 2016 Team page Season
SEISA Men's Singlehanded Champsionship Singlehanded Skipper A 12 4.2 1.75
Aggie Fall Skipper B 7 2.0 1.42

From the notes

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

All notes →