NWISA Single-handed Champs

# SchoolSailor TOT
1 The Overlake School The Overlake School Talia Toland '17 14
2 Oregon City High School Oregon City High School Grant Gridley '18 41
3 Olympia High School Olympia High School Bears 2 44
4 Mercer Island High School Mercer Island High School Islanders 75
5 Mount Si High School Mount Si High School Mount Si 82
6 Garfield High School Garfield High School Bulldogs 85
7 Bellingham High School Bellingham High School Raiders 91
8 Olympia High School Olympia High School Bears 1 97
9 Orcas High School Orcas High School Vikings 1 106
10 Orcas High School Orcas High School Vikings 2 135
SchoolSailor R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 TOT
The Overlake School The Overlake School Talia Toland '17 1 1 1 1 1 1 1 1 1 1 1 1 1 1 14
Oregon City High School Oregon City High School Grant Gridley '18 2 2 7 3 3 2 2 5 2 3 2 2 3 3 41
Olympia High School Olympia High School Bears 2 3 3 2 4 2 4 4 3 7 2 3 3 2 2 44
Mercer Island High School Mercer Island High School Islanders 4 6 4 2 9 10 3 7 3 4 4 4 8 7 75
Mount Si High School Mount Si High School Mount Si 9 9 5 5 5 5 6 8 4 6 5 5 6 4 82
Garfield High School Garfield High School Bulldogs 6 4 6 6 7 3 8 4 5 5 9 7 7 8 85
Bellingham High School Bellingham High School Raiders 7 10 3 7 4 6 5 2 6 7 6 8 10 10 91
Olympia High School Olympia High School Bears 1 8 5 9 8 6 8 7 6 8 9 7 6 4 6 97
Orcas High School Orcas High School Vikings 1 5 7 8 9 8 7 9 9 9 8 8 9 5 5 106
Orcas High School Orcas High School Vikings 2 10 8 10 10 10 9 10 10 10 10 10 10 9 9 135

Performance rating asks, for each skipper: holding every other boat fixed, which rating makes my actual race-by-race finishes least surprising? Boats are valued with the singlehanded rating rather than the fleet rating: 0.79 × the skipper's fleet rating from the week before the event (unrated skippers start at 1.11); the skipper's own singlehanded offset. Strength differences are scaled by 0.80 before they become probabilities, the value that calibrates the model on seasons it had not seen. Non-finishes (OCS, DNF and similar) are left out of the fitting, as in the rating model.

Percentile places a rating among the 495 ISSA sailors with a singlehanded rating who raced the discipline in the last three seasons. Surprise is how many bits more surprising the finishes were at the pre-event rating than at the performance rating. P(this good or better) simulates the event 3,000 times at the pre-event ratings, with the same regatta-form model as the fleet analysis pages, and reports how often the skipper would score this many points or fewer in the races they sailed.

The singlehanded offsets are the current ones (the discipline files keep no weekly history), so a skipper's own offset has already seen this event; offsets are shrunk hard, so the effect is a few hundredths at most. Only skippers are rated.

Division A  10 boats · 14 races

FinSkipperSchool Races Rating
before
Perf.
rating
Δ Percentile
before → perf.
Surprise
(bits)
P(this good
or better)
Avg finish
actual / exp.
1Talia Toland '17The Overlake School14/142.478.75++6.2892nd → 99th39.3<1%1.0 / 4.9
2Grant Gridley '18Oregon City High School14/141.653.77+2.1277th → 99th14.8<1%2.9 / 6.1

Conditions — 09/03/2016 (8am–6pm)

🌤️Partly cloudy
Humidity 62%  ·  Pressure 1016.2 hPa

Temperature

73°F
↑ 78°F   ↓ 63°F
Feels like 71°F

Wind

● from   ▲ toward
12.1 kn
avg  ·  max 13.4 kn
Gusts to 25.1 kn
From SSE (159°)

Sky & Precipitation

Cloud cover70% Sunshine10.9 hrs Humidity62% Pressure1016.2 hPa

What this breeze does at Lincoln — from fleet racing

Breeze: S about 14 kn (weather reanalysis in the scorer’s units)
In fleet races at Lincoln in this breeze: a favourites’ day (+0.05)
Favourites’ conditions: in fleet racing here the results follow the ratings more closely than usual, and the top seeds hold their places.

Orderliness is how tightly a fleet race’s finishing order follows the pre-regatta ratings, relative to a typical event (0): positive is the favourites’ day, negative the underdogs’. A value of ±0.05 means a rating gap counts about 4% more than on a typical day. This event is not a fleet race the rating model scores, so there is no actual value for it: this is what this venue’s fleet racing history says about the breeze on the day, read off the chart at the star. How this is estimated · compare venues.

Orderliness beyond the fleet at Lincoln by wind direction (angle) and speed (rings), fitted surface; dots are labelled regatta-days, ★ this regatta (no labelled days at Lincoln: the all-venue pattern is shown).

From the notes

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

All notes →