Karen Dreicer Liberman

Crew Rating

Career: 86.00 percentile of ICSA crews
3.503.754.004.25M. Elliott (12 races): +0.48M. ElliottSpring 2023: rating 3.54Spring 2023Massachusetts Institute of TechnologyM. Elliott (10 races): +0.30M. ElliottSpring 2024: rating 3.79Spring 2024Massachusetts Institute of Technology
▲ 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 2024 Massachusetts Institute of Technology 3.79 Rating 3.79; 90% range 0.7 to 6.9; team skipper average 3.23 89.85 68.18 4 of 11 10 Team page
Spring 2023 Massachusetts Institute of Technology 3.54 Rating 3.54; 90% range 0.5 to 6.6; team skipper average 2.92 85.65 61.11 4 of 9 12 Team page

Team Race Rating

Rating Rank vs fleet rating Record
1.46 unranked (fewer than 30 matches as skipper, or not active) +0.00
about what the fleet rating predicts
as crew 16–40 (29%)
SeasonRegattas Skipper W–LCrew W–L
Spring 20242—13–25
Spring 20222—3–15

Team race surprisal: regatta by regatta

Over 4 graded regattas (56 matches) the record is 16–40 against 16.8 wins the pre-event forecasts expected (−0.8). 0 regattas clearly above the rating (P ≤ 20%), 1 clearly below (P ≥ 80%); 3 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2024-04-06Mystic Lake Team Racecrew2.472.194–174.9−0.280.277%
2024-03-16Ivan Geiger Team Racecrew2.342.679–88.0+0.330.239%
2022-03-19Team Race Invitecrew2.35-0.650–131.5≤−3.002.2>99%
2022-03-12MIT Team Race Invitecrew2.313.173–22.4+0.870.440%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2024 Team page Season
Mystic Lake Team Race Crew TR 21 19% —
Ivan Geiger Team Race Crew TR 17 53% —
Boston Dinghy Club Challenge Cup Crew A 10 8.7 +0.30
Spring 2023 Team page Season
George Morris Trophy Crew A 12 4.8 +0.48
Fall 2022 Team page Season
George Warren Smith Trophy Crew B 8 6.9 —
31st Captain Hurst Bowl Crew C 6 9.2 —
Spring 2022 Team page Season
Team Race Invite Crew TR 13 0% —
MIT Team Race Invite Crew TR 8 38% —
George Morris Trophy Crew A 10 5.9 —
Boston University Trophy Crew B 6 5.3 —

From the notes

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

All notes →