Zack Wirth

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded-0.27298 of 33712Fall 2025
Keelboat0.46unranked (fewer than 10 races or not active)4Fall 2025

Team Race Rating

Rating Rank vs fleet rating Record
0.68 (fleet 1.11) unranked (fewer than 30 matches as skipper, or not active) +0.00 ± 0.18
about what the fleet rating predicts
as skipper 6–22 (21%)
SeasonRegattas Skipper W–LCrew W–L
Spring 202613–6—
Spring 202510–6—
Fall 202412–3—
Spring 202411–7—
0.60.70.80.9Fall 2024Spring 2025Spring 2026Fall 2026NYISA-SE Fall Team Race Championship 2024 (2024-09-28): rating 0.75, fleet rating alone 0.78, offset -0.03; record 0-1 in this boatNYISA-SE Fall Team Race Championship 2024 (2024-09-28): rating 0.75, fleet rating alone 0.78, offset -0.03; record 1-1 in this boatNYISA-SE Fall Team Race Championship 2024 (2024-09-28): rating 0.75, fleet rating alone 0.78, offset -0.03; record 1-1 in this boatNYISA-SE Team Race League Qualifiers (2025-04-12): rating 0.75, fleet rating alone 0.79, offset -0.03; record 0-6 in this boatNYISA-SE Team Race Qualifier (2026-04-12): rating 0.68, fleet rating alone 0.71, offset -0.03; record 3-6 in this boatNYISA-SE Fall Team Race Championship 2026 (2026-10-03): rating 0.76, fleet rating alone 0.76, offset -0.00; record 4-4 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 4 graded regattas (28 matches) the record is 6–22 against 7.2 wins the pre-event forecasts expected (−1.2). 1 regatta clearly above the rating (P ≤ 20%), 3 clearly below (P ≥ 80%); 4 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2026-04-12NYISA-SE Team Race Qualifierskipper0.922.133–61.5+1.211.118%
2025-04-12NYISA-SE Team Race League Qualifiersskipper0.92-2.080–60.8≤−3.001.1>99%
2024-09-28NYISA-SE Fall Team Race Championship 2024skipper0.800.232–32.4−0.580.183%
2024-04-14NYISA-SE Team Race Championship Spring 2024skipper0.79-1.381–72.4−2.171.698%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2026 Team page Season
NYISA-SE Team Race Qualifier Skipper TR 9 33% —
NYISA-SE Larchmont Intersectional Regatta Skipper A 6 11.3 0.76
NYISA-SE Ladder Rung Fleet Qualifier Skipper A 4 4.5 1.27
MASSA 2026 Fleet Championship & Mallory Qualifier Skipper A 4 15.0 0.66
Fall 2025 Team page Season
MASSA Cressy Qualifier ILCA 6 Boys Singlehanded Skipper A 12 14.8 -0.50
MASSA 2025 Keelboat Championship Keelboat Skipper A 4 3.2 1.44
Spring 2025 Team page Season
NYISA-SE Fleet Championship Spring 2025 Skipper A 7 3.6 1.15
NYISA-NW State High School Sailing Championship Skipper B 6 4.5 -0.63
NYISA-SE Team Race League Qualifiers Skipper TR 6 0% —
MASSA Spring Invitational Skipper B 9 4.3 1.29
Fall 2024 Team page Season
NYISA-SE Fall Team Race Championship 2024 Skipper TR 5 40% —
Spring 2024 Team page Season
NYISA-SE Team Race Championship Spring 2024 Skipper TR 8 12% —
NYISA-SE Spring Fleet Race Qualifier Crew B 6 3.2 +0.01
MASSA Invitational Crew B 2 8.0 +0.05

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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