Dennis Kostjuhin

Rating History

Crew Rating

Career: 63.42 percentile of ICSA crews
0.250.500.75R. Rajan (5 races): -0.26R. RajanS. Herrada (6 races): +0.08S. HerradaO. Fenner (4 races): +0.05W. Phelps (9 races): +0.02Fall 2023: rating 0.50Fall 2023University of TexasR. Rajan (14 races): +0.37R. RajanSpring 2024: rating 0.16Spring 2024University of TexasR. Rajan (10 races): +0.07R. RajanFall 2024: rating 0.59Fall 2024University of TexasR. Rajan (10 races): +0.11R. RajanSpring 2025: rating 0.62Spring 2025University of Texas
▲ 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 2025 University of Texas 0.62 Rating 0.62; 90% range -2.6 to 3.9; team skipper average 0.71 33.75 56.25 4 of 8 16 Team page
Fall 2024 University of Texas 0.59 Rating 0.59; 90% range -2.7 to 3.8; team skipper average 0.46 33.46 50.00 5 of 9 10 Team page
Spring 2024 University of Texas 0.16 Rating 0.16; 90% range -3.0 to 3.3; team skipper average 0.24 24.98 58.33 3 of 6 16 Team page
Fall 2023 University of Texas 0.50 Rating 0.50; 90% range -2.6 to 3.6; team skipper average 0.45 28.75 58.33 3 of 6 24 Team page

Team Race Rating

Rating Rank vs fleet rating Record
0.27 (fleet 0.40) unranked (fewer than 30 matches as skipper, or not active) −0.02 ± 0.18
about what the fleet rating predicts
as skipper 4–9 (31%)
as crew 17–15 (53%)
SeasonRegattas Skipper W–LCrew W–L
Spring 202634–9—
Spring 20253—8–4
Spring 20243—9–11
0.20.30.4Spring 2026McCarthy Cup (2026-03-07): rating 0.29, fleet rating alone 0.29, offset -0.01; record 1-1 in this boatMcCarthy Cup (2026-03-07): rating 0.29, fleet rating alone 0.29, offset -0.01; record 2-0 in this boatSEISA Open Team Race Conference Championship (2026-04-03): rating 0.27, fleet rating alone 0.29, offset -0.02; record 0-6 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 8 graded regattas (43 matches) the record is 20–23 against 23.5 wins the pre-event forecasts expected (−3.5). 0 regattas clearly above the rating (P ≤ 20%), 6 clearly below (P ≥ 80%); 4 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2026-04-03SEISA Open Team Race Conference Championshipskipper0.61-2.380–60.1≤−3.000.1>99%
2026-03-07McCarthy Cupskipper0.50-0.283–13.5−0.780.391%
2026-01-31Q1 Regattaskipper0.610.101–21.3−0.510.187%
2025-04-05SEISA Open Team Race Championshipcrew0.463.193–12.7+2.730.376%
2025-02-01Q1 Regattacrew0.47-0.224–24.8−0.690.490%
2024-04-06SEISA Open Team Racing Championshipcrew0.37-1.002–63.3−1.371.397%
2024-03-30McCarthy Cup Team Racecrew0.36-1.064–25.1−1.421.197%
2024-02-03Q1 Regattacrew0.190.333–32.8+0.140.060%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2026 Team page Season
Texas Rough & Rowdy Regatta Skipper B 10 6.7 -2.48
SEISA Open Team Race Conference Championship Skipper TR 9 0% —
Q1 Regatta Skipper TR 3 33% —
McCarthy Cup Skipper TR 6 67% —
Harris Kempner Crew B 4 7.8 +0.05
10th Annual Sailpack Oriental Intercollegiate Skipper B 12 7.9 1.20
Fall 2025 Team page Season
West Coast Championships Skipper A 8 15.2 -0.01
Troy Swetnam Memorial Regatta 2025 Skipper A 12 6.7 —
SEISA Fall Open Fleet Race Champs Skipper B 11 8.3 -1.64
Lone Star Regatta Skipper B 10 7.4 -1.83
Kathryn Hammond Skipper B 11 10.4 -2.13
Baldwin Wood Skipper A 9 12.3 -0.20
Spring 2025 Team page Season
SEISA Open Team Race Championship Crew TR 4 75% —
SEISA Open Fleet Race Championship Crew B 4 5.8 +0.11
Q1 Regatta Crew TR 9 78% —
Open Western Semi Finals Crew B 2 17.0 -0.12
McCarthy Cup Crew TR 3 67% —
Harris Kempner Memorial Crew B 10 4.5 +0.11
CCYC Spring Opener Skipper B 8 3.4 0.91
2025 Sailpack Oriental Intercollegiate Regatta Skipper B 3 9.3 1.16
Fall 2024 Team page Season
Kilpatrick Regatta Skipper A 6 1.7 0.70
Kathryn Hammond Skipper A 13 13.2 —
CCYC Fall Open #2 Crew A 10 3.4 +0.07
Baldwin Wood Skipper A 8 12.2 -0.29
Spring 2024 Team page Season
Spring Opener Crew B 8 3.4 +0.29
SEISA Open Team Racing Championship Crew TR 8 25% —
SEISA Open Fleet Championship Crew B 2 8.5 -0.03
Q1 Regatta Crew TR 3 0% —
McCarthy Cup Team Race Crew TR 6 67% —
Harris Kempner Memorial Regatta Crew B 4 4.2 +0.11
2024 SailPack Oriental Intercollegiate Crew A 2 2.5 —
Fall 2023 Team page Season
Sugar Bowl Open Crew B 4 15.8 +0.05
Kathryn Hammond Memorial Crew B 14 14.0 -0.18
Troy Swetnam Memorial Regatta Crew B 9 4.0 +0.02

From the notes

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

All notes →