Mitch Butler

Corryong Cup 2017 · Task 4 (Floater) (Sat, 14 Jan 2017) · floater · ranked #2 · times in Australia/Melbourne (GMT+11)

Scores computed

Made goal in 14:49 — 0 points

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Click any highlighted step in the explanation to see where it happened.

The flight

What the tracklog shows, and which crossings scored.

Crossed the start cylinder boundary 5 times. The scored start is the latest crossing from which the flight still makes its best run along the course — re-starting supersedes an earlier start, while simply flying back through the cylinder later in the task changes nothing.

The 14:04:44 crossing is the scored start. By the 14:28:14 crossing the flight had already reached Goal (CORRY), so treating that as a re-start would mean flying the course again from there — a shorter, later run that scores less.

Completed the task — full task distance is credited.

Day quality — points on offer

Task validity 0% of a perfect day, so 0 of 1000 points were available.

How this works

Launch validity — the day counts for less if much of the field never got into the air.77%

4 pilots flew out of 6 present. Nominal launch is 96%, so launch validity is full once 6 pilots are in the air.

Distance validity — the day counts for less if the field as a whole did not get far.0%

Measured against a 35.0 km nominal distance, a 10% nominal goal and a 5.0 km minimum distance. The field flew 0.0 km past the minimum on average, with a best of 5.0 km.

How far the field got — the spread distance validity is computed from, one dot per pilot. 4 pilots flew; you flew 5.0 km, further than 0 of them. The day averaged 0.0 km past the 5.0 km minimum, against a 35.0 km nominal distance.

Time validity — the day counts for less if the fastest pilot got round much quicker than the task was meant to take.33%

The fastest pilot took 14:49 against a nominal task time of 1:00:00 — 24.7% of nominal.

Points on offer for the day0 pts

1000 × 0.77 × 0.00 × 0.33 = 0

Split between the components: 1 of 4 pilots made goal — a goal ratio of 0.25

distance 0 · time 0

The share each component takes of the day

distance 58.2% · time 29.3% · leading 7.3% · arrival 5.2%

Distance points

0 pts

Full distance — the only pilot in goal

How this works

Flew 4.7 km, less than the 5.0 km minimum — scored as the minimum distance.

Task distance4.7 km

The optimized task line — the shortest legal way round the turnpoints.

Scored distance5.0 km

Measured along the optimized task line, up to the furthest point on course.

Best distance in class5.0 km

Made goal — full available distance points.0 pts

Time points

0 pts

How this works

Time points use the 2⁄3 speed-fraction exponent (the older GAP2016/2018 curve, S7F §11.2).

Your speed section time14:49

Fastest time in class (among pilots who made goal)14:49

Fastest through the speed section — full available time points.0 pts

Total

0 pts

How this works

Distance + time + leading + arrival, minus penalties0 pts

round(0.0 + 0.0, 1 dp) = 0

Start cylinder (SSS): The circle around the start turnpoint. The race clock begins when you cross it in the required direction, or at the start gate you took.
Speed section: The timed part of the task: from the start to the end of the speed section. Time points are earned here, and only here.
End of speed section (ESS): Where the clock stops — usually a cylinder shortly before goal, so pilots are not racing all the way to the ground.
Optimized task line: The shortest legal way around the turnpoints, clipping each cylinder rather than flying to its centre. Every distance on this page is measured along it.
Made good: How far along that line you got — not how far you flew. Wandering off course adds kilometres to your track but none to your distance made good.
Minimum distance: A floor: a pilot who flies less than this is scored as if they flew it, so a short flight is never worth less than nothing.
Nominal distance / time / goal / launch: What the organiser expected of a good day — a typical task length, duration, share of pilots in goal, and share of pilots launching. They are the yardsticks the day is measured against, not targets anyone must hit.
Validity: How much of a full 1000-point day this task was worth. A day where few launched, nobody got far, or the winner was round very quickly counts for less in the overall standings.
Goal ratio: The share of flying pilots who made goal. It decides how the day's points are split between distance and the other components.
Leading coefficient: A measure of how much of the race you spent out in front, as an area under your distance-over-time curve. Lower is better; the absolute number means nothing on its own, only the comparison does.
Distance difficulty: Hang gliding only: half the distance points are weighted by where the field landed out, so getting past a stretch that stopped many pilots is worth more than easy kilometres.
Jump the gun: Starting before the first start gate opened. Paraglider pilots are scored only to the start cylinder; hang glider pilots take a penalty that grows with how early they were.

The full guide to GAP scoring

The flight

Day quality — points on offer

Distance points

Time points

Total

Terms on this page