William Macdonald

Rating History

Team Race Rating

Rating Rank vs fleet rating Record
2.99 (fleet 4.13) unranked (fewer than 30 matches as skipper, or not active) −0.00 ± 0.18
about what the fleet rating predicts
as skipper 171–121 (59%)
as crew 0–1 (0%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2015545–340–1
Spring 2014665–40—
Fall 2013111–3—
Spring 2013543–37—
Fall 201217–7—
33.253.53.754Spring 2013Fall 2013Spring 2014Spring 2015Graham Hall Team Race (2013-03-02): rating 4.06, fleet rating alone 4.04, offset +0.02; record 12-10 in this boatSouthern New England Team Race (2013-03-30): rating 3.32, fleet rating alone 3.34, offset -0.03; record 6-10 in this boatStaake Trophy Team Race (2013-04-20): rating 3.06, fleet rating alone 3.12, offset -0.06; record 7-5 in this boatFowle Trophy (2013-05-04): rating 2.98, fleet rating alone 3.07, offset -0.09; record 7-3 in this boatAPS Team Race Championship (2013-05-25): rating 2.92, fleet rating alone 3.00, offset -0.07; record 2-1 in this boatAPS Team Race Championship (2013-05-25): rating 2.92, fleet rating alone 3.00, offset -0.07; record 9-8 in this boatHap Moore Team Race (2013-11-09): rating 3.39, fleet rating alone 3.47, offset -0.07; record 11-3 in this boatSt. Mary's Team Race (2014-03-08): rating 3.39, fleet rating alone 3.42, offset -0.03; record 1-3 in this boatSt. Mary's Team Race (2014-03-08): rating 3.39, fleet rating alone 3.42, offset -0.03; record 2-0 in this boatSt. Mary's Team Race (2014-03-08): rating 3.39, fleet rating alone 3.42, offset -0.03; record 2-6 in this boatSouthern New-England Team Race (2014-03-15): rating 3.40, fleet rating alone 3.45, offset -0.05; record 9-5 in this boatJan T. Friis Trophy (2014-03-22): rating 3.33, fleet rating alone 3.36, offset -0.04; record 6-1 in this boatJan T. Friis Trophy (2014-03-22): rating 3.33, fleet rating alone 3.36, offset -0.04; record 7-3 in this boat33rd Lynne Marchiando Regatta (2014-03-29): rating 3.27, fleet rating alone 3.27, offset +0.00; record 13-9 in this boatFowle New England Team Race Champs (2014-04-05): rating 3.22, fleet rating alone 3.21, offset +0.01; record 13-3 in this boatAPS Team Race National Championship (2014-05-31): rating 3.22, fleet rating alone 3.17, offset +0.05; record 0-2 in this boatAPS Team Race National Championship (2014-05-31): rating 3.22, fleet rating alone 3.17, offset +0.05; record 12-8 in this boatGraham Hall Team Race (2015-03-21): rating 3.57, fleet rating alone 3.48, offset +0.09; record 0-2 in this boatGraham Hall Team Race (2015-03-21): rating 3.57, fleet rating alone 3.48, offset +0.09; record 6-6 in this boatJan T. Friis Team Race (2015-03-28): rating 3.55, fleet rating alone 3.48, offset +0.07; record 8-6 in this boat34th Lynne Marchiando Regatta (2015-04-04): rating 3.37, fleet rating alone 3.32, offset +0.05; record 1-0 in this boat34th Lynne Marchiando Regatta (2015-04-04): rating 3.37, fleet rating alone 3.32, offset +0.05; record 5-6 in this boatFowle Trophy (2015-04-11): rating 3.29, fleet rating alone 3.29, offset +0.01; record 5-5 in this boatFowle Trophy (2015-04-11): rating 3.29, fleet rating alone 3.29, offset +0.01; record 6-1 in this boatLaserPerformance Team Race National Championships (2015-05-29): rating 3.28, fleet rating alone 3.24, offset +0.04; record 1-0 in this boatLaserPerformance Team Race National Championships (2015-05-29): rating 3.28, fleet rating alone 3.24, offset +0.04; record 13-8 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 15 graded regattas (240 matches) the record is 146–94 against 136.6 wins the pre-event forecasts expected (+9.4). 4 regattas clearly above the rating (P ≤ 20%), 4 clearly below (P ≥ 80%); 18 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2015-05-29LaserPerformance Team Race National Championshipsskipper4.235.1214–810.8+0.892.17%
2015-04-11Fowle Trophyskipper4.084.7611–68.8+0.681.117%
2015-04-0434th Lynne Marchiando Regattaskipper4.083.686–67.0−0.400.383%
2015-03-28Jan T. Friis Team Raceskipper4.394.158–68.6−0.240.177%
2015-03-21Graham Hall Team Raceskipper4.393.116–89.2−1.293.099%
2014-05-31APS Team Race National Championshipskipper4.004.2512–1011.1+0.260.241%
2014-04-05Fowle New England Team Race Champsskipper3.905.4313–38.6+1.534.51%
2014-03-2933rd Lynne Marchiando Regattaskipper3.844.0113–912.3+0.170.146%
2014-03-22Jan T. Friis Trophyskipper3.854.9113–49.5+1.062.65%
2014-03-15Southern New-England Team Raceskipper3.953.919–59.1−0.040.065%
2014-03-08St. Mary's Team Raceskipper3.943.095–97.1−0.841.295%
2013-11-09Hap Moore Team Raceskipper3.804.0611–310.4+0.260.149%
2013-05-25APS Team Race Championshipskipper3.313.7811–99.3+0.470.626%
2013-05-04Fowle Trophyskipper3.313.967–35.9+0.650.532%
2013-04-20Staake Trophy Team Raceskipper3.582.637–59.0−0.951.496%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2015 Team page Season
Owen,Mosbacher and Knapp Trophies Skipper A 12 6.4 4.02
LaserPerformance Team Race National Championships Skipper TR 22 64% —
Jan T. Friis Team Race Skipper TR 14 57% —
Graham Hall Team Race Skipper TR 15 40% —
Gill Coed Western Semifinals Skipper A 15 6.1 4.27
Fowle Trophy Skipper TR 18 67% —
Coast Guard Alumni Bowl/NE Champs Skipper A 15 5.9 4.60
34th Lynne Marchiando Regatta Skipper TR 15 60% —
Gill College Sailing Coed National Championship Skipper A 18 9.9 3.94
Fall 2014 Team page Season
Rose Bowl Regatta Skipper A 8 4.0 5.05
Moody Trophy Skipper A 10 4.8 4.46
Hoyt Trophy Skipper A 10 4.7 5.11
Hatch Brown Trophy Skipper A 17 8.4 3.90
Harry Anderson Jr. Trophy Skipper A 12 9.2 3.43
Danmark Trophy Skipper A 15 11.5 3.60
Captain Hurst Bowl Skipper A 12 4.3 4.76
Atlantic Coast Championship Skipper A 13 6.9 4.37
74th Professor Erwin Schell Trophy Skipper A 10 8.6 3.73
Spring 2014 Team page Season
St. Mary's Team Race Skipper TR 14 36% —
Southern New-England Team Race Skipper TR 14 64% —
33rd Lynne Marchiando Regatta Skipper TR 22 59% —
Jan T. Friis Trophy Skipper TR 17 76% —
Fowle New England Team Race Champs Skipper TR 16 81% —
Coast Guard Bowl/N.E. Dinghy Champs Skipper A 14 9.8 3.40
APS Team Race National Championship Skipper TR 22 54% —
Admiral's Cup Skipper A 14 7.7 3.94
Fall 2013 Team page Season
SMC Fall Interconference Skipper A 18 7.6 3.88
Sherman Hoyt Trophy Skipper A 12 8.0 3.91
Rose Bowl Regatta Skipper A 4 4.0 4.87
Hatch Brown Trophy Skipper A 17 5.8 4.43
39th Harry H. Anderson Jr Trophy Skipper A 14 8.1 3.58
Hap Moore Team Race Skipper TR 14 79% —
Danmark Trophy Skipper A 10 10.2 3.63
Captain Hurst Bowl Skipper A 15 5.2 4.45
Atlantic Coast Championships Skipper A 13 7.8 4.25
73rd Annual Professor Schell Trophy Skipper A 9 5.9 4.33
Spring 2013 Team page Season
Truxtun Umsted Skipper B 12 8.1 3.49
Staake Trophy Team Race Skipper TR 12 58% —
Southern New England Team Race Skipper TR 16 38% —
College Sailing Eastern Semifinals Skipper B 12 7.5 3.32
NEISA Dinghy Champs/CG Alumni Bowl Skipper B 15 9.6 3.01
Graham Hall Team Race Skipper TR 22 54% —
Gill Coed Championships Skipper B 18 9.8 3.41
Fowle Trophy Skipper TR 19 58% —
Boston Dinghy Club Challenge Cup Skipper B 17 7.0 3.65
APS Team Race Championship Skipper TR 20 55% —
Fall 2012 Team page Season
St. Mary's Fall Interconference Skipper B 18 7.8 3.26
Sherman Hoyt Trophy Skipper B 12 8.0 3.49
Rose Bowl Regatta Skipper A 8 6.4 4.10
The Hatch Brown Trophy Skipper B 15 9.2 2.97
Harry Anderson Trophy Skipper B 8 6.2 3.40
Hap Moore Team Race Skipper TR 14 50% —
Erwin Schell Trophy Skipper B 12 7.2 3.39
Captain Hurst Bowl Skipper A 6 8.5 3.41
ACC-qualified NE FR Scrimmage Skipper B 6 7.7 3.23
Spring 2012 Team page Season
Thompson Trophy Skipper B 18 9.6 2.83
Fall 2011 Team page Season
St. Mary's Fall Intersectional Skipper B 8 5.5 3.83
138th Rudolph Oberg Trophy Skipper A 11 7.8 3.07
Rose Bowl 2012 Skipper A 4 10.2 1.35
70th Prof Erwin Schell Trophy Skipper B 12 11.8 2.19
Moody Trophy Skipper B 9 6.0 3.72
The Hatch Brown Trophy Skipper C 16 5.8 3.47
Harry Anderson Skipper B 10 13.0 2.28
Danmark Trophy Skipper B 10 10.3 3.15

From the notes

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

All notes →