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Steven Crosby

Corryong Cup 2022 · Task 1 (Open) (Sun, 9 Jan 2022) · open · ranked #21 · times in Australia/Melbourne (GMT+11)

Officially: 21st · 223 pts (AirScore)

Scores computed · FAI S7F 2026

Landed out at 13.0 km — 223.5 points

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The flight

What the tracklog shows, and which crossings scored.

How this works

Day quality — points on offer

Task validity 73.04% of a perfect day, so 730.4 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.100%

41 pilots flew out of 41 present. Nominal launch is 96%, so launch validity is full once 40 pilots are in the air.

Distance validity — the day counts for less if the field as a whole did not get far.73.04%

Measured against a 35.0 km nominal distance, a 30% nominal goal and a 5.0 km minimum distance. The field flew 17.1 km past the minimum on average, with a best of 61.2 km.

How far the field got — the spread distance validity is computed from, one dot per pilot. 41 pilots flew; you flew 13.0 km, further than 20 of them. The day averaged 17.1 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.100%

The fastest pilot took 1:48:51 against a nominal task time of 1:30:00 — the task took as long as it was meant to, so no time devaluation applies.

Points on offer for the day730.4 pts

1000 × 1.00 × 0.7304 × 1.00 = 730.4

Split between the components: 4 of 41 pilots made goal — a goal ratio of 0.10

distance 550.2 · time 180.2

The share each component takes of the day

distance 75.3% · time 24.7%

Leading weight follows the FAI S7F 2026 §11 formula: 18% of the non-distance weight (the task's Leading Time Ratio) goes to leading.

Distance points

223.5 of 550.2 pts

21st furthest of 41

How this works

Task distance61.2 km

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

Scored distance13.0 km

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

Best distance in class61.2 km
Linear half — half the available points scale with your share of the best distance58.4 pts

0.5 × (13.0 km ÷ 61.2 km) × 550.2 = 58.4

Difficulty half — rewards flying past stretches where many pilots landed165.1 pts

The difficulty curve is built from where the whole field landed out (FAI S7F §12.1.1).

The curve is the distance-points formula, half of it built from where the field landed out (FAI S7F §12.1.1) — every dot is a pilot, sitting exactly on it. Its steepest stretches are the ones fewest pilots got past, so flying through one is worth more than the same distance somewhere easy. You flew 13.0 km of the class best 61.2 km, worth 223.5 of 550.2.

Time points

0 of 180.2 pts

How this works

Time points are only awarded to pilots who reach the end of the speed section.

Total

223.5 of 730.4 pts

How this works

Distance + time + leading + arrival, minus penalties223.5 pts

round(223.5 + 0.0, 1 dp) = 223.5

Where the points went

Your 223.5 against the 730.4 that won the class.

How this works

Distance−326.7 pts

you 223.5, the leader 550.2

Time−180.2 pts

you 0, the leader 180.2

Behind Jon Durand−506.9 pts

Spread across distance-points and time-points — distance-points the largest, at 326.7.