Jacob Rosenberg

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded2.80unranked (fewer than 10 races or not active)30Fall 2019

Team Race Rating

Rating Rank vs fleet rating Record
3.02 (fleet 4.17) unranked (fewer than 30 matches as skipper, or not active) −0.00 ± 0.18
about what the fleet rating predicts
as skipper 149–53 (74%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2020114–3—
Spring 2019562–16—
Spring 2018439–18—
Spring 2017434–16—
2.52.62.72.82.93Spring 2017Spring 2018Spring 2019Spring 2020Admiral Moore Team Race (2017-03-25): rating 2.84, fleet rating alone 2.84, offset +0.00; record 10-4 in this boatPCCSC Team Race Championships - Carter Ford Trophy (2017-04-30): rating 2.89, fleet rating alone 2.87, offset +0.02; record 7-1 in this boatLaserPerformance Team Race National Championship (2017-05-27): rating 2.87, fleet rating alone 2.87, offset +0.00; record 11-11 in this boat2018 Jeremy McIntyre Team Race (2018-02-24): rating 2.70, fleet rating alone 2.72, offset -0.02; record 14-3 in this boatLynne Marchiando Team Race Regatta (2018-03-31): rating 2.69, fleet rating alone 2.69, offset +0.00; record 7-7 in this boatPacific Coast Team Race Championships (2018-04-28): rating 2.59, fleet rating alone 2.63, offset -0.04; record 4-0 in this boatLaserPerformance Team Race National Championship (2018-05-26): rating 2.62, fleet rating alone 2.65, offset -0.03; record 14-8 in this boatBob Bavier Team Race (2019-03-02): rating 2.79, fleet rating alone 2.82, offset -0.03; record 16-3 in this boatSt. Mary's Team Race InterConference (2019-03-09): rating 2.81, fleet rating alone 2.82, offset -0.01; record 8-1 in this boatFriis Trophy (2019-03-23): rating 2.85, fleet rating alone 2.85, offset -0.00; record 6-4 in this boatCarter Ford PCCSC Team Race Championship (2019-04-06): rating 2.84, fleet rating alone 2.85, offset -0.01; record 15-0 in this boatLaserPerformance Team Race National Championship (2019-05-25): rating 2.86, fleet rating alone 2.86, offset +0.00; record 2-0 in this boatLaserPerformance Team Race National Championship (2019-05-25): rating 2.86, fleet rating alone 2.86, offset +0.00; record 15-8 in this boatSt. Mary's Team Race Inter-Conference (2020-03-07): rating 2.86, fleet rating alone 2.86, offset +0.00; record 14-3 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 14 graded regattas (202 matches) the record is 149–53 against 149.8 wins the pre-event forecasts expected (−0.8). 0 regattas clearly above the rating (P ≤ 20%), 5 clearly below (P ≥ 80%); 8 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2020-03-07St. Mary's Team Race Inter-Conferenceskipper3.513.6314–313.7+0.120.058%
2019-05-25LaserPerformance Team Race National Championshipskipper3.583.4917–817.4−0.080.067%
2019-04-06Carter Ford PCCSC Team Race Championshipskipper3.536.5315–014.1≥+3.001.437%
2019-03-23Friis Trophyskipper3.562.746–47.5−0.820.994%
2019-03-09St. Mary's Team Race InterConferenceskipper3.463.928–17.6+0.460.156%
2019-03-02Bob Bavier Team Raceskipper3.394.1416–314.2+0.751.021%
2018-05-26LaserPerformance Team Race National Championshipskipper3.163.0814–814.4−0.090.067%
2018-04-28Pacific Coast Team Race Championshipsskipper3.126.124–03.4≥+3.000.952%
2018-03-31Lynne Marchiando Team Race Regattaskipper3.212.417–79.4−0.801.496%
2018-02-242018 Jeremy McIntyre Team Raceskipper3.354.0514–312.6+0.700.727%
2017-05-27LaserPerformance Team Race National Championshipskipper3.573.1011–1112.8−0.470.688%
2017-04-30PCCSC Team Race Championships - Carter Ford Trophyskipper3.592.227–17.7−1.360.797%
2017-03-25Admiral Moore Team Raceskipper3.523.8010–49.3+0.280.146%
2017-02-252017 McIntyre Team Raceskipper3.386.386–05.9≥+3.000.288%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2020 Team page Season
St. Mary's Team Race Inter-Conference Skipper TR 17 82% —
Fall 2019 Team page Season
PCCSC Men's Singlehanded Championship Singlehanded Skipper A 13 9.1 1.94
Fall Pacific Coast Championship Skipper A 8 4.1 3.85
Coed Showcase Qualifier B Skipper A 18 7.6 4.38
Coed Showcase Championship Skipper B 3 8.3 4.29
Spring 2019 Team page Season
St. Mary's Team Race InterConference Skipper TR 9 89% —
Carter Ford PCCSC Team Race Championship Skipper TR 15 100% —
PCCSC Coed Dinghy Conference Championships Skipper A 11 2.3 4.62
Navy Spring Skipper A 14 6.4 4.25
LaserPerformance Team Race National Championship Skipper TR 25 68% —
Gill College Sailing Coed National Championship Skipper A 3 10.0 3.55
Gill Coed Eastern Semifinals Skipper A 8 7.5 4.14
Friis Trophy Skipper TR 9 67% —
Bob Bavier Team Race Skipper TR 19 84% —
Fall 2018 Team page Season
Fall Pacific Coast Championship Skipper B 11 3.4 4.09
Fiske-Harriman-Sleigh Trophy Coed Showcase Skipper B 18 8.7 4.06
The Coed Showcase A Regatta Skipper B 16 5.4 4.49
Spring 2018 Team page Season
PCCSC South Designate Skipper A 11 1.1 4.08
Pacific Coast Team Race Championships Skipper TR 9 100% —
Pacific Coast Coed Dinghy Championships Skipper B 2 3.0 3.73
Navy Spring Skipper B 18 7.5 3.75
Lynne Marchiando Team Race Regatta Skipper TR 15 53% —
LaserPerformance Team Race National Championship Skipper TR 22 64% —
2018 Jeremy McIntyre Team Race Skipper TR 17 82% —
Fall 2017 Team page Season
Sherman Hoyt Trophy Skipper A 14 10.6 3.69
ICSA Match Race Nationals Keelboat Crew A 1 5.0 —
75th Danmark Trophy Skipper B 13 9.9 3.67
Spring 2017 Team page Season
Thompson Trophy Skipper B 12 8.8 3.54
LaserPerformance Team Race National Championship Skipper TR 22 50% —
Gill Coed College Sailing National Championship Skipper B 6 12.3 3.29
Gill Coed Eastern Semifinal Skipper B 4 9.5 3.19
Charleston Spring Coed Skipper A 17 8.0 3.64
Admiral Moore Team Race Skipper TR 14 71% —
PCCSC Team Race Championships - Carter Ford Trophy Skipper TR 8 88% —
2017 PCCSC Coed Conference Championship Skipper B 15 2.5 4.06
2017 McIntyre Team Race Skipper TR 17 88% —
Fall 2016 Team page Season
PCCSC Match Race Championship Keelboat Crew A 1 4.0 —

Linked Profiles

League Name School Year
ISSA Jacob Rosenberg Sage Hill SchoolSage Hill School '16

From the notes

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

All notes →