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Olav Opsanger

Corryong Cup 2024 · Task 4 (Open) (Fri, 12 Jan 2024) · open · ranked #17 · times in Australia/Melbourne (GMT+11)

Scores computed

Landed out at 17.9 km — 242 points

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The flight

What the tracklog shows, and which crossings scored.

Crossed the start cylinder boundary 3 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.
Start time taken: the start gate — the speed-section clock runs from the gate, not from the crossing (FAI S7F §8.3.1).14:00:00

Day quality — points on offer

Task validity 55.81% of a perfect day, so 558.1 of 1000 points were available.

Launch validity — did enough registered pilots launch?100%
Distance validity — did the field fly far enough relative to the nominal distance?55.81%
Time validity — was the winning time long enough relative to the nominal time?100%
Points on offer for the day558.1 pts

1000 × 1.00 × 0.5581 × 1.00 = 558.1

Split between the components by the goal ratio

distance 464.5 · time 65.6 · leading 16.4 · arrival 11.7

Distance points

242 pts
Scored distance17.9 km

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

Best distance in class67.6 km
Linear half — half the available points scale with your share of the best distance61.6 pts

0.5 × (17.94 km ÷ 67.63 km) × 464.5 = 61.6

Difficulty half — rewards flying past stretches where many pilots landed180.4 pts

The difficulty curve is built from where the whole field landed out (FAI S7F §11.1.1).

Time points

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

Leading points

0 pts
Leading points reward flying out front during the speed section — the pilot with the best leading coefficient takes all available leading points, others fall off with the gap.0 pts
Measured with the classic squared-distance leading coefficient (S7F §11.3.1, the hang-gliding / GAP2016–2018 variant).

Arrival points

0 pts
Arrival points reward crossing the end of the speed section early relative to the other pilots who reached it.0 pts

Total

242 pts
Distance + time + leading + arrival, minus penalties242 pts

round(242.0 + 0.0, 1 dp) = 242

Track data cleaning

32 of 3872 GPS fixes (0.8%) carried an implausible altitude and were repaired before analysis — flagged by vertical-speed limits (no barometric channel to cross-check). Positions and times are never altered. How data cleaning works

  • 13:36:17–13:36:22 · 6 fixes · up to 218 m off
  • 13:37:18–13:37:22 · 5 fixes · up to 256 m off
  • 14:07:27–14:07:29 · 3 fixes · up to 215 m off
  • 14:07:54–14:07:55 · 2 fixes · up to 161 m off
  • 14:09:28–14:09:32 · 5 fixes · up to 287 m off
  • 14:11:00–14:11:06 · 7 fixes · up to 265 m off
  • 14:12:08–14:12:09 · 2 fixes · up to 146 m off
  • 14:12:38 · 1 fix · up to 125 m off
  • 14:19:19 · 1 fix · up to 103 m off