Kerem Erkmen

Rating History

Team Race Rating

Rating Rank vs fleet rating Record
3.50 (fleet 4.79) unranked (fewer than 30 matches as skipper, or not active) +0.03 ± 0.13
about what the fleet rating predicts
as skipper 137–187 (42%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2025740–61—
Spring 2024736–69—
Spring 2023524–34—
Spring 2022437–23—
2.52.7533.253.5Spring 2022Spring 2023Spring 2024Spring 2025MIT Team Race Invite (2022-03-12): rating 2.64, fleet rating alone 2.63, offset +0.01; record 5-3 in this boatTeam Race Invite (2022-03-19): rating 2.66, fleet rating alone 2.64, offset +0.02; record 10-7 in this boatThe 39th Lynne Marchiando Regatta (2022-04-02): rating 2.59, fleet rating alone 2.56, offset +0.04; record 7-7 in this boatThames River Team Race (2023-03-05): rating 2.69, fleet rating alone 2.63, offset +0.06; record 6-4 in this boatSalve Regina Team Race Invite (2023-03-11): rating 2.74, fleet rating alone 2.64, offset +0.10; record 9-3 in this boatSouthern NE Team Race (2023-03-18): rating 2.70, fleet rating alone 2.64, offset +0.06; record 4-8 in this boatStaake Trophy (2023-03-25): rating 2.69, fleet rating alone 2.62, offset +0.07; record 3-7 in this boatThe 40th Grey Lynne Marchiando Team Races (2023-04-01): rating 2.68, fleet rating alone 2.64, offset +0.04; record 2-12 in this boatSharpe Trophy Team Race (2024-03-02): rating 3.01, fleet rating alone 2.98, offset +0.04; record 0-14 in this boatThe Wood Trophy (2024-03-09): rating 2.99, fleet rating alone 2.99, offset -0.00; record 7-10 in this boatSouthern NE Team Race (2024-03-16): rating 2.98, fleet rating alone 3.00, offset -0.01; record 7-11 in this boat63rd Jan Friis Team Race (2024-03-23): rating 3.01, fleet rating alone 3.02, offset -0.01; record 0-3 in this boat63rd Jan Friis Team Race (2024-03-23): rating 3.01, fleet rating alone 3.02, offset -0.01; record 0-5 in this boatThe 41st Silver Grey Lynne Marchiando Trophy (2024-03-30): rating 3.00, fleet rating alone 3.02, offset -0.02; record 4-2 in this boatThe 41st Silver Grey Lynne Marchiando Trophy (2024-03-30): rating 3.00, fleet rating alone 3.02, offset -0.02; record 5-7 in this boatNEISA Open Team Race Championship/Fowle (2024-04-06): rating 3.05, fleet rating alone 3.03, offset +0.02; record 0-1 in this boatNEISA Open Team Race Championship/Fowle (2024-04-06): rating 3.05, fleet rating alone 3.03, offset +0.02; record 4-6 in this boatThompson Trophy-CGA (2024-04-13): rating 3.06, fleet rating alone 3.04, offset +0.03; record 9-10 in this boatLiam O'Keefe Team Race Trophy (2025-03-01): rating 3.40, fleet rating alone 3.36, offset +0.04; record 1-6 in this boatJohn Jackson Memorial Regatta (2025-03-08): rating 3.41, fleet rating alone 3.38, offset +0.03; record 3-2 in this boatJohn Jackson Memorial Regatta (2025-03-08): rating 3.41, fleet rating alone 3.38, offset +0.03; record 6-6 in this boatSouthern NE Team Race (2025-03-15): rating 3.43, fleet rating alone 3.42, offset +0.01; record 7-7 in this boat64th Jan Friis Team Race (2025-03-22): rating 3.51, fleet rating alone 3.47, offset +0.05; record 4-7 in this boat2025 Marchiando Trophy-Red Regatta (2025-03-29): rating 3.51, fleet rating alone 3.46, offset +0.05; record 7-14 in this boatFowle Trophy (2025-04-05): rating 3.53, fleet rating alone 3.47, offset +0.06; record 2-8 in this boatThompson Trophy - CGA (2025-04-12): rating 3.56, fleet rating alone 3.51, offset +0.05; record 10-11 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 23 graded regattas (324 matches) the record is 137–187 against 125.5 wins the pre-event forecasts expected (+11.5). 6 regattas clearly above the rating (P ≤ 20%), 6 clearly below (P ≥ 80%); 26 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2025-04-12Thompson Trophy - CGAskipper4.184.8910–116.8+0.711.710%
2025-04-05Fowle Trophyskipper4.154.062–82.1−0.090.068%
2025-03-292025 Marchiando Trophy-Red Regattaskipper4.093.847–147.9−0.250.276%
2025-03-2264th Jan Friis Team Raceskipper4.084.754–72.9+0.670.629%
2025-03-15Southern NE Team Raceskipper3.964.877–74.5+0.901.611%
2025-03-08John Jackson Memorial Regattaskipper3.963.349–810.9−0.620.992%
2025-03-01Liam O'Keefe Team Race Trophyskipper3.953.091–61.8−0.860.590%
2024-04-13Thompson Trophy-CGAskipper3.654.429–106.2+0.771.611%
2024-04-06NEISA Open Team Race Championship/Fowleskipper3.593.854–73.5+0.260.148%
2024-03-30The 41st Silver Grey Lynne Marchiando Trophyskipper3.514.979–93.9+1.465.7<1%
2024-03-2363rd Jan Friis Team Raceskipper3.440.440–81.5≤−3.002.5>99%
2024-03-16Southern NE Team Raceskipper3.453.577–116.6+0.120.052%
2024-03-09The Wood Trophyskipper3.502.907–108.6−0.590.790%
2024-03-02Sharpe Trophy Team Raceskipper3.580.580–142.3≤−3.003.6>99%
2023-04-01The 40th Grey Lynne Marchiando Team Racesskipper3.203.042–122.3−0.160.070%
2023-03-25Staake Trophyskipper3.083.443–72.3+0.360.242%
2023-03-18Southern NE Team Raceskipper3.113.024–84.2−0.080.067%
2023-03-11Salve Regina Team Race Inviteskipper3.162.069–310.7−1.101.597%
2023-03-05Thames River Team Raceskipper3.124.626–43.6+1.502.66%
2022-04-02The 39th Lynne Marchiando Regattaskipper3.093.907–74.9+0.811.315%
2022-03-19Team Race Inviteskipper3.153.4410–79.1+0.290.241%
2022-03-12MIT Team Race Inviteskipper3.103.525–34.4+0.420.247%
2022-03-05McMerrick Cup Team Raceskipper2.722.8615–614.5+0.140.150%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2025 Team page Season
Thompson Trophy - CGA Skipper TR 21 48% —
Southern NE Team Race Skipper TR 14 50% —
Open Fleet Race National Championships Skipper A 6 7.8 4.36
Open Eastern Semi Finals Skipper A 10 5.4 5.05
NEISA Open FR Champs/Coast Guard Alumni Bowl Skipper A 12 5.3 5.02
Liam O'Keefe Team Race Trophy Skipper TR 7 14% —
John Jackson Memorial Regatta Skipper TR 17 53% —
Fowle Trophy Skipper TR 11 27% —
64th Jan Friis Team Race Skipper TR 11 36% —
2025 Marchiando Trophy-Red Regatta Skipper TR 21 33% —
Fall 2024 Team page Season
Sherman Hoyt Trophy Skipper A 14 4.4 5.34
Schell Trophy NEISA Open Championship Skipper A 13 5.6 4.96
Open Atlantic Coast Championship Round 1B Skipper A 13 4.2 5.43
Open Atlantic Coast Championship Final Skipper A 7 7.7 4.90
The Hatch Brown Trophy 2024 Skipper A 10 6.8 4.55
Harry Anderson Jr. Regatta Skipper A 12 5.7 4.78
Danmark Trophy Skipper A 8 8.8 4.62
The 33rd Captain Hurst Bowl Skipper A 13 4.9 4.66
Spring 2024 Team page Season
The Wood Trophy Skipper TR 17 41% —
Thompson Trophy-CGA Skipper TR 19 47% —
Southern NE Team Race Skipper TR 18 39% —
Sharpe Trophy Team Race Skipper TR 14 0% —
Open Dinghy National Championship Skipper A 18 9.8 4.37
NEISA Open Team Race Championship/Fowle Skipper TR 11 36% —
NEISA Open Dinghy Championship/CG Alumni Bowl Skipper A 9 7.0 4.41
Eastern Open National Semi-Final Skipper A 18 6.1 4.74
63rd Jan Friis Team Race Skipper TR 8 0% —
The 41st Silver Grey Lynne Marchiando Trophy Skipper TR 18 50% —
Fall 2023 Team page Season
Sherman Hoyt Trophy Skipper A 14 10.2 3.83
Open ACCs Round 1B Skipper A 14 3.9 5.59
The Hatch Brown Trophy Skipper A 7 6.1 4.92
Harry Anderson Jr Regatta Skipper A 9 4.8 5.09
Danmark Trophy Skipper A 14 8.0 4.83
Captain Hurst Bowl Skipper A 12 8.8 3.92
Atlantic Coast Open Championship Finals Skipper A 14 10.7 4.14
The 82nd Professor Schell Trophy Skipper A 14 6.2 4.78
Spring 2023 Team page Season
Thames River Team Race Skipper TR 10 60% —
Staake Trophy Skipper TR 20 65% —
Southern NE Team Race Skipper TR 12 33% —
Salve Regina Team Race Invite Skipper TR 12 75% —
College Sailing Open Western Semifinal Skipper A 13 5.0 5.20
College Sailing Dinghy National Championship Skipper A 9 9.6 4.30
Open New England Fleet Race Championship Skipper A 12 8.9 4.03
85th Boston Dinghy Club Challenge Cup Skipper A 14 5.4 4.81
The 40th Grey Lynne Marchiando Team Races Skipper TR 14 14% —
Fall 2022 Team page Season
Sherman Hoyt Trophy Skipper A 13 7.9 4.16
Schell Trophy Skipper A 14 7.2 4.46
Open Atlantic Coast Tournament Skipper A 16 8.9 3.67
Open Atlantic Coast Dinghy Championships, Round 1A Skipper A 15 8.6 4.10
Moody Trophy Skipper A 6 5.5 4.43
The Hatch Brown Trophy Skipper A 10 10.5 3.45
Harry Anderson Jr. Trophy Skipper A 12 11.2 3.48
31st Captain Hurst Bowl Skipper A 5 7.6 3.34
Spring 2022 Team page Season
Thompson Throphy Skipper C 15 5.3 4.08
Team Race Invite Skipper TR 13 69% —
College Sailing Open Western Semifinal Skipper B 11 5.1 4.88
College Sailing Dinghy National Championship Skipper B 16 8.8 4.22
New England Dinghy Champs for the CG Alumni Bowl Skipper B 9 11.0 3.19
MIT Team Race Invite Skipper TR 8 75% —
McMerrick Cup Team Race Skipper TR 21 71% —
84th Boston Dinghy Club Challenge Cup Skipper A 9 8.3 3.68
The 39th Lynne Marchiando Regatta Skipper TR 15 47% —
Fall 2021 Team page Season
Savin Hill Invite Skipper B 10 4.6 3.76
Salt Pond Invite Skipper A 10 2.6 4.34
The Nickerson Trophy Skipper A 7 6.9 3.37
Nicholas Barnett Trophy Skipper B 14 5.6 3.50
Moody Trophy Skipper A 16 5.6 3.96
The George Warren Smith Trophy Skipper B 14 4.1 4.07
Charles Invitational Skipper B 9 2.6 3.78
Atlantic Coast Tournament Skipper A 8 6.6 4.01

From the notes

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

All notes →