Jonathan Riley

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Keelboat1.29unranked (fewer than 10 races or not active)46Spring 2023

Team Race Rating

Rating Rank vs fleet rating Record
2.28 (fleet 3.13) unranked (fewer than 30 matches as skipper, or not active) +0.01 ± 0.17
about what the fleet rating predicts
as skipper 20–31 (39%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2023420–31—
1.922.12.2Spring 2023Southern NE Team Race (2023-03-18): rating 2.04, fleet rating alone 2.04, offset +0.00; record 4-8 in this boatStaake Trophy (2023-03-25): rating 2.02, fleet rating alone 2.02, offset -0.00; record 13-7 in this boatThe 40th Grey Lynne Marchiando Team Races (2023-04-01): rating 2.10, fleet rating alone 2.04, offset +0.06; record 2-12 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 (51 matches) the record is 20–31 against 16.4 wins the pre-event forecasts expected (+3.6). 1 regatta clearly above the rating (P ≤ 20%), 0 clearly below (P ≥ 80%); 3 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2023-04-01The 40th Grey Lynne Marchiando Team Racesskipper2.552.392–122.3−0.160.070%
2023-03-25Staake Trophyskipper2.343.3613–79.1+1.022.94%
2023-03-18Southern NE Team Raceskipper2.302.214–84.2−0.080.067%
2023-03-05Thames River Team Raceskipper2.192.501–40.8+0.310.064%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2023 Team page Season
Thames River Team Race Skipper TR 10 60% —
Staake Trophy Skipper TR 20 65% —
Southern NE Team Race Skipper TR 12 33% —
Southern Collegiate Offshore Regatta - PHRF A Keelboat Crew A 4 2.5 —
College Sailing Open Western Semifinal Skipper B 2 14.0 2.41
College Sailing Dinghy National Championship Skipper B 3 16.3 1.90
Port of LA Harbor Cup Keelboat Skipper A 8 4.5 0.95
Open New England Fleet Race Championship Skipper B 6 11.3 3.13
85th Boston Dinghy Club Challenge Cup Skipper C 14 9.8 3.04
The 40th Grey Lynne Marchiando Team Races Skipper TR 14 14% —
Fall 2022 Team page Season
Sherman Hoyt Trophy Skipper B 4 8.5 3.95
Schell Trophy Skipper B 6 10.3 3.38
Moody Trophy Skipper B 6 5.5 4.06
The Hatch Brown Trophy Skipper C 1 6.0 —
31st Captain Hurst Bowl Skipper C 6 10.3 2.36
2022 McMillan Cup Keelboat Skipper A 4 1.5 —
2022 Kennedy Cup Keelboat Skipper A 7 4.9 0.64
Spring 2022 Team page Season
Spring Oberg Trophy Skipper C 16 4.8 2.89
Southern 5 Fleet Race/Ewenson Trophy Skipper B 14 7.1 -0.08
Southern Collegiate Offshore Regatta - PHRF A Keelboat Reserve A 2 2.5 —
O'Toole Trophy Skipper B 15 2.5 2.82
J-70 Invite #1 Keelboat Skipper A 13 5.9 -0.32
Fall 2021 Team page Season
Shields Trophy Regatta Keelboat Crew A 4 3.5 —
Mt. Hope Bay Invite Crew A 2 6.0 —
2021 McMillan Cup Keelboat Crew A 5 2.8 —
Lark Invite Skipper B 6 6.0 3.04
Harvard Invitational Skipper A 10 9.8 1.55
2021 Kennedy Cup Keelboat Crew A 5 2.8 —
Spring 2021 Team page Season
J70 Invite #3 Keelboat Skipper A 7 6.1 -0.53
J-70 Invite #1 Keelboat Skipper A 7 4.4 0.49
Fall 2019 Team page Season
McMillan Cup 2019 Keelboat Crew A 7 3.7 —
Kennedy Cup Keelboat Crew A 5 5.2 —

Linked Profiles

League Name School Year
ISSA Jonathan Riley Old Rochester RHSOld Rochester RHS '19

From the notes

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

All notes →