Michael Zonnenberg

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded2.99unranked (fewer than 10 races or not active)78Fall 2013
Keelboat1.57unranked (fewer than 10 races or not active)9Fall 2014

Team Race Rating

Rating Rank vs fleet rating Record
2.76 (fleet 3.81) unranked (fewer than 30 matches as skipper, or not active) +0.01 ± 0.18
about what the fleet rating predicts
as skipper 73–88 (45%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2015328–28—
Fall 201417–4—
Spring 2014520–37—
Spring 2013218–19—
2.82.933.13.23.33.4Spring 2013Spring 2014Fall 2014Spring 2015Ted Ferrarone Team Race (2013-03-30): rating 3.29, fleet rating alone 3.33, offset -0.04; record 12-5 in this boatThames River Team Race (2014-03-01): rating 3.31, fleet rating alone 3.34, offset -0.04; record 2-2 in this boatSouthern New-England Team Race (2014-03-15): rating 3.16, fleet rating alone 3.22, offset -0.06; record 6-4 in this boatJan T. Friis Trophy (2014-03-22): rating 3.12, fleet rating alone 3.14, offset -0.02; record 5-11 in this boat33rd Lynne Marchiando Regatta (2014-03-29): rating 3.02, fleet rating alone 3.05, offset -0.03; record 6-12 in this boatFowle New England Team Race Champs (2014-04-05): rating 2.94, fleet rating alone 3.00, offset -0.06; record 1-8 in this boatHap Moore Team Race (2014-11-08): rating 3.10, fleet rating alone 3.18, offset -0.08; record 7-4 in this boat2015 Aaron Szambecki Team Race (2015-03-28): rating 3.15, fleet rating alone 3.22, offset -0.07; record 13-11 in this boat34th Lynne Marchiando Regatta (2015-04-04): rating 3.05, fleet rating alone 3.07, offset -0.02; record 2-2 in this boat34th Lynne Marchiando Regatta (2015-04-04): rating 3.05, fleet rating alone 3.07, offset -0.02; record 6-5 in this boatFowle Trophy (2015-04-11): rating 3.02, fleet rating alone 3.04, offset -0.02; record 2-0 in this boatFowle Trophy (2015-04-11): rating 3.02, fleet rating alone 3.04, offset -0.02; record 5-10 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 9 graded regattas (124 matches) the record is 55–69 against 52.1 wins the pre-event forecasts expected (+2.9). 2 regattas clearly above the rating (P ≤ 20%), 3 clearly below (P ≥ 80%); 13 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2015-04-11Fowle Trophyskipper3.623.617–107.0−0.010.061%
2015-04-0434th Lynne Marchiando Regattaskipper3.923.728–78.6−0.200.174%
2015-03-282015 Aaron Szambecki Team Raceskipper3.885.2513–116.4+1.376.8<1%
2014-11-08Hap Moore Team Raceskipper3.443.567–46.7+0.130.057%
2014-04-05Fowle New England Team Race Champsskipper3.611.531–83.8−2.083.7>99%
2014-03-2933rd Lynne Marchiando Regattaskipper3.583.666–125.7+0.080.054%
2014-03-22Jan T. Friis Trophyskipper3.642.985–117.2−0.661.093%
2014-03-15Southern New-England Team Raceskipper3.694.646–43.9+0.951.513%
2014-03-01Thames River Team Raceskipper3.833.102–22.7−0.740.490%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2015 Team page Season
Fowle Trophy Skipper TR 18 44% —
Coast Guard Alumni Bowl/NE Champs Skipper A 15 8.9 3.75
80th Boston Dinghy Cup Skipper A 9 9.3 3.54
34th Lynne Marchiando Regatta Skipper TR 15 53% —
2015 Aaron Szambecki Team Race Skipper TR 24 54% —
Fall 2014 Team page Season
Phil Harman Cup Keelboat Skipper A 9 5.2 0.88
Hoyt Trophy Skipper A 9 10.1 3.47
32nd Professor Stedman Hood Trophy Skipper A 4 8.0 3.54
Hatch Brown Trophy Skipper A 17 8.8 3.82
Hap Moore Team Race Skipper TR 11 64% —
Danmark Trophy Skipper A 13 7.6 4.48
Atlantic Coast Championship Skipper A 13 7.6 4.20
74th Professor Erwin Schell Trophy Skipper A 10 4.5 5.01
Spring 2014 Team page Season
Thompson Trophy Skipper A 11 6.4 4.00
Thames River Team Race Skipper TR 7 71% —
Southern New-England Team Race Skipper TR 14 64% —
33rd Lynne Marchiando Regatta Skipper TR 22 46% —
Jan T. Friis Trophy Skipper TR 16 31% —
Fowle New England Team Race Champs Skipper TR 11 18% —
Coast Guard Bowl/N.E. Dinghy Champs Skipper A 14 8.8 3.67
Admiral's Cup Skipper A 13 7.5 3.79
Fall 2013 Team page Season
75th Annual Oberg Trophy Skipper A 18 6.6 3.66
64th Nevins Trophy Skipper C 10 9.0 3.03
Navy Fall Skipper C 20 6.7 3.74
ICSA/LP Men's Singlehanded Champs Singlehanded Skipper A 17 10.0 2.93
39th Harry H. Anderson Jr Trophy Skipper A 13 7.4 3.57
Danmark Trophy Skipper A 10 9.6 3.78
73rd Annual Professor Schell Trophy Skipper A 9 5.7 4.42
NEISA Men's Singlehanded Champs Singlehanded Skipper A 10 5.9 4.21
Spring 2013 Team page Season
Thompson Trophy Skipper A 11 7.8 3.27
Ted Ferrarone Team Race Skipper TR 17 71% —
NEISA Dinghy Champs/CG Alumni Bowl Skipper A 15 8.3 3.58
Graham Hall Team Race Skipper TR 22 32% —
Boston Dinghy Club Challenge Cup Skipper A 17 7.8 3.57
Fall 2012 Team page Season
Sherman Hoyt Trophy Skipper A 12 7.0 3.95
Nevin's Trophy Skipper C 16 6.7 3.57
NEISA Men's Singlehanded Championship Singlehanded Skipper A 18 5.8 3.94
Navy Fall Skipper A 14 10.5 2.72
LP / ICSA Men's Singlehanded Nationals Singlehanded Skipper A 18 11.3 2.68
Hewitt Trophy Skipper A 12 3.7 3.57
Harry Anderson Trophy Skipper A 8 6.4 3.52
Erwin Schell Trophy Skipper A 12 8.6 3.42
Spring 2012 Team page Season
Truxtun Umsted Skipper C 6 7.5 3.44
New England Dinghy Championship Skipper B 18 7.8 3.36
83rd Boston Dinghy Challenge Cup Skipper B 18 7.0 3.59
Fall 2011 Team page Season
Professor Steadman Hood Trophy Skipper B 4 6.8 3.31
138th Rudolph Oberg Trophy Skipper B 11 4.9 3.57
70th Prof Erwin Schell Trophy Skipper B 9 9.7 2.77
Nevins Trophy Skipper C 18 6.7 3.48
ICSA Men's Singlehandeds Singlehanded Skipper A 15 12.1 2.50
Danmark Trophy Skipper B 10 11.1 2.96
Captain Hurst Bowl Skipper A 6 11.3 3.05

From the notes

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

All notes →