Clem Dean

Crew Rating

Career: 7.58 percentile of ICSA crews
-2.00-1.50-1.00-0.50D. Amoroso (8 races): +0.02D. AmorosoC. Mcdonald (2 races): +0.01C. McdonaldFall 2023: rating -1.28Fall 2023Portland High SchoolC. Mcdonald (5 races): -0.22C. McdonaldH. Mishkin (7 races): -0.10H. MishkinSpring 2024: rating -0.68Spring 2024Portland High SchoolC. Mcdonald (20 races): -0.77C. McdonaldK. Mailloux (10 races): -0.38K. MaillouxH. Mishkin (6 races): +0.35Fall 2024: rating -1.20Fall 2024Portland High SchoolH. Mishkin (9 races): +0.31H. MishkinSpring 2025: rating -0.73Spring 2025Portland High SchoolA. Jenkins (10 races): -0.71A. JenkinsFall 2025: rating -1.59Fall 2025Portland High SchoolA. Jenkins (8 races): +0.29A. JenkinsSpring 2026: rating -1.03Spring 2026Portland High School
▲ boats did better with this crew than with the skipper's usual crews▼ worseArrow length = size of the push, in rating points
Season Team Rating Range League
percentile
Team
percentile
On team Races Team page
Spring 2026 Portland High School -1.03 Rating -1.03; 90% range -3.9 to 1.8; team skipper average 0.01 8.38 12.50 4 of 4 8 Team page
Fall 2025 Portland High School -1.59 Rating -1.59; 90% range -4.5 to 1.3; team skipper average -0.34 3.46 10.00 5 of 5 10 Team page
Spring 2025 Portland High School -0.73 Rating -0.73; 90% range -3.4 to 2.0; team skipper average 0.43 13.41 16.67 3 of 3 9 Team page
Fall 2024 Portland High School -1.20 Rating -1.20; 90% range -4.1 to 1.7; team skipper average -0.11 7.11 10.00 5 of 5 36 Team page
Spring 2024 Portland High School -0.68 Rating -0.68; 90% range -3.5 to 2.2; team skipper average 0.22 14.54 12.50 4 of 4 12 Team page
Fall 2023 Portland High School -1.28 Rating -1.28; 90% range -4.2 to 1.7; team skipper average -0.11 6.05 8.33 6 of 6 10 Team page

Team Race Rating

Rating Rank vs fleet rating Record
0.12 unranked (fewer than 30 matches as skipper, or not active) +0.00
about what the fleet rating predicts
as crew 10–15 (40%)
SeasonRegattas Skipper W–LCrew W–L
Spring 20262—6–5
Spring 20251—2–4
Spring 20242—2–6

Team race surprisal: regatta by regatta

Over 4 graded regattas (23 matches) the record is 8–15 against 7.7 wins the pre-event forecasts expected (+0.3). 0 regattas clearly above the rating (P ≤ 20%), 1 clearly below (P ≥ 80%); 1 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2026-04-04Clipper Challenge Spring 2026crew0.691.244–53.1+0.560.337%
2025-04-05Greevus Team Racecrew0.580.612–42.0+0.030.066%
2024-05-18Dick Levesque Maine Statescrew0.30-0.741–41.8−1.050.489%
2024-04-06Ranger Rallycrew0.410.811–20.8+0.400.061%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2026 Team page Season
Downeast Championships Crew A 6 5.7 +0.16
Clipperboats Team Race Event Crew TR 6 33% —
Clipper Challenge Spring 2026 Crew TR 14 25% —
2026 NESSA O'Day Qualifier - Portland, ME Crew B 2 2.5 +0.13
Fall 2025 Team page Season
Roy Williams Invitational Crew A 6 16.0 -0.76
NESSA NKBI Qualifier Keelboat Crew A 9 4.3 —
NESSA Great Oaks Qualifier Crew A 4 7.5 +0.05
Spring 2025 Team page Season
NESSA O'Day Qualifier - Portland Crew A 5 9.0 +0.23
Greevus Team Race Crew TR 14 21% —
Downeast Championships Crew A 4 7.2 +0.08
Fall 2024 Team page Season
NESSA GOR Quals #1 Crew A 8 4.4 +0.02
NESSA GOR Qual #2 Crew A 8 6.1 -0.71
Fall FunFest (Gleekman Trophy) Crew B 7 17.0 -0.31
Clipper Challenge Crew A 4 7.8 -0.08
Casco Bay Open Crew B 3 13.3 -0.07
ARNOLD BROWN 2024 Crew B 6 8.5 +0.35
Spring 2024 Team page Season
Ranger Rally Crew TR 9 22% —
NESSA O'Day Qualifier - Portland, ME Crew A 5 8.0 -0.22
Dick Levesque Maine States Crew TR 20 10% —
2024 Downeast Fleet Racing Invitational Crew B 7 9.9 -0.10
Fall 2023 Team page Season
SailMaine Cup Crew B 8 13.5 +0.02
Great Oaks Qualifier 2023 Crew A 2 7.5 +0.01
Spring 2023 Team page Season
Southern Maine Open FR Crew B 5 4.0 —

From the notes

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

All notes →

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