Duncan Swain

Rating History

Crew Rating

Career: 48.83 percentile of ICSA crews

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

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Keelboat1.30unranked (fewer than 10 races or not active)32Fall 2014

Team Race Rating

Rating Rank vs fleet rating Record
2.29 (fleet 3.16) unranked (fewer than 30 matches as skipper, or not active) +0.00 ± 0.18
about what the fleet rating predicts
as skipper 132–91 (59%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2015547–41—
Spring 2014223–10—
Fall 2013325–15—
Spring 2013331–20—
Fall 201216–5—
2.52.753Spring 2013Fall 2013Spring 2014Spring 2015Admiral Moore Team Race (2013-03-23): rating 2.73, fleet rating alone 2.67, offset +0.06; record 7-11 in this boatMystic Lake Team Race Invitational (2013-03-30): rating 2.84, fleet rating alone 2.76, offset +0.08; record 17-4 in this boatStaake Trophy Team Race (2013-04-20): rating 2.66, fleet rating alone 2.59, offset +0.07; record 7-5 in this boatNorman Reid Trophy (2013-10-19): rating 2.45, fleet rating alone 2.41, offset +0.04; record 8-5 in this boatLane Trophy (2013-10-20): rating 2.51, fleet rating alone 2.48, offset +0.03; record 6-6 in this boatThe Mike Horn Trophy (2013-11-09): rating 2.56, fleet rating alone 2.52, offset +0.04; record 11-4 in this boatIke Geiger Team Race Trophy (2014-03-15): rating 2.67, fleet rating alone 2.60, offset +0.06; record 10-5 in this boatMystic Lake Team Race Invitational (2014-04-05): rating 2.62, fleet rating alone 2.55, offset +0.07; record 13-5 in this boatGraham Hall Team Race (2015-03-21): rating 3.00, fleet rating alone 3.00, offset -0.00; record 2-0 in this boatGraham Hall Team Race (2015-03-21): rating 3.00, fleet rating alone 3.00, offset -0.00; record 9-7 in this boatJan T. Friis Team Race (2015-03-28): rating 3.01, fleet rating alone 3.00, offset +0.01; record 5-9 in this boat34th Lynne Marchiando Regatta (2015-04-04): rating 2.85, fleet rating alone 2.86, offset -0.01; record 2-1 in this boat34th Lynne Marchiando Regatta (2015-04-04): rating 2.85, fleet rating alone 2.86, offset -0.01; record 8-4 in this boatFowle Trophy (2015-04-11): rating 2.83, fleet rating alone 2.83, offset -0.00; record 1-2 in this boatFowle Trophy (2015-04-11): rating 2.83, fleet rating alone 2.83, offset -0.00; record 5-2 in this boatFowle Trophy (2015-04-11): rating 2.83, fleet rating alone 2.83, offset -0.00; record 5-3 in this boatLaserPerformance Team Race National Championships (2015-05-29): rating 2.87, fleet rating alone 2.87, offset +0.01; record 10-13 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 11 graded regattas (173 matches) the record is 102–71 against 105.0 wins the pre-event forecasts expected (−3.0). 0 regattas clearly above the rating (P ≤ 20%), 4 clearly below (P ≥ 80%); 7 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2015-05-29LaserPerformance Team Race National Championshipsskipper3.593.5110–1310.3−0.090.066%
2015-04-11Fowle Trophyskipper3.764.1911–79.4+0.430.529%
2015-04-0434th Lynne Marchiando Regattaskipper3.553.7810–59.3+0.230.147%
2015-03-28Jan T. Friis Team Raceskipper3.652.735–97.4−0.911.696%
2015-03-21Graham Hall Team Raceskipper3.573.7511–710.4+0.180.147%
2014-04-05Mystic Lake Team Race Invitationalskipper3.352.4213–515.3−0.931.797%
2014-03-15Ike Geiger Team Race Trophyskipper3.353.7710–58.9+0.420.335%
2013-11-09The Mike Horn Trophyskipper3.123.5111–410.0+0.390.338%
2013-10-20Lane Trophyskipper3.073.276–65.6+0.210.153%
2013-10-19Norman Reid Trophyskipper3.002.428–59.2−0.580.589%
2013-04-20Staake Trophy Team Raceskipper3.232.247–59.1−0.981.597%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2018 Team page Season
Ryan Richards Alumni Regatta Skipper A, B 5 10.4 2.63
Spring 2016 Team page Season
Ryan Richards (Tufts) Alumni Regatta Skipper B 6 7.7 3.35
Spring 2015 Team page Season
Thompson Trophy Skipper B 13 7.2 3.62
LaserPerformance Team Race National Championships Skipper TR 22 41% —
Jan T. Friis Team Race Skipper TR 14 36% —
Graham Hall Team Race Skipper TR 18 61% —
Gill Coed Eastern Semifinals Skipper B 7 5.7 3.57
Fowle Trophy Skipper TR 18 61% —
Coast Guard Alumni Bowl/NE Champs Skipper B 11 6.9 4.09
80th Boston Dinghy Cup Skipper C 9 6.2 3.73
34th Lynne Marchiando Regatta Skipper TR 15 67% —
Gill College Sailing Coed National Championship Skipper B 9 7.6 4.20
Fall 2014 Team page Season
Rose Bowl Regatta Skipper A 8 10.1 3.30
Phil Harman Cup Keelboat Skipper A 9 3.8 1.80
Olympians Regatta Keelboat Skipper A 14 3.2 1.72
NE Match Racing Championship Keelboat Skipper A 1 3.0 —
Navy Fall Skipper B 15 8.0 3.74
32nd Professor Stedman Hood Trophy Skipper B 4 5.0 4.04
Hatch Brown Trophy Skipper C 17 5.9 3.98
76th Annual Oberg Trophy Skipper A 17 7.4 3.58
74th Professor Erwin Schell Trophy Crew A 4 2.5 —
Spring 2014 Team page Season
Mystic Lake Team Race Invitational Skipper TR 18 72% —
Mendums Pond Invite Skipper A 3 1.3 4.26
Ike Geiger Team Race Trophy Skipper TR 15 67% —
10th George Morris Trophy Skipper A 16 5.7 1.95
Colgate Promo 1 Keelboat Skipper A 8 3.0 1.67
BU Trophy Skipper B 4 6.8 2.49
Fall 2013 Team page Season
Rose Bowl Regatta Skipper A 3 12.0 2.01
Norman Reid Trophy Skipper TR 13 62% —
Nicholas Barnett Trophy Skipper A 11 5.8 2.61
The Mike Horn Trophy Skipper TR 15 73% —
Lane Trophy Skipper TR 12 50% —
Hewitt Trophy Skipper A 10 9.4 1.97
39th Harry H. Anderson Jr Trophy Skipper B 14 9.7 2.73
Dark of Night Regatta Skipper B 2 6.0 2.10
Central Series 6 Skipper A 8 4.6 3.40
BC Central Series Skipper A 9 6.0 2.99
Spring 2013 Team page Season
Staake Trophy Team Race Skipper TR 12 58% —
Oberg @ BU by NU Skipper B 12 4.3 3.27
Mystic Lake Team Race Invitational Skipper TR 21 81% —
Admiral Moore Team Race Skipper TR 18 39% —
Fall 2012 Team page Season
Pen Bay Open Skipper B 12 5.0 2.83
Oberg Skipper C 15 5.8 3.25
Norman Reid Team Race Skipper TR 13 62% —
Gardner Island Invite SS3 Skipper A 14 5.4 1.98
Dave Perry Skipper B 14 9.4 -0.41
Boston Harbor Invitational Skipper B 8 4.9 2.50
Barnett Trophy Skipper B 12 3.2 3.35
Spring 2012 Team page Season
Central Series 3 Skipper B 10 4.3 2.62
BU Trophy Skipper B 6 6.8 2.17
Admiral's Cup Crew B 9 7.4 —
Fall 2011 Team page Season
Navy Fall Crew A, B 11 6.2 —
Hewitt Trophy Skipper A 12 5.6 2.79
Freshman Intersectional Skipper A 11 5.9 0.51
BU invite Skipper B 10 3.0 0.69
Atlantic Coast Championship Crew B 4 13.8 —

From the notes

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

All notes →