Skip to main content

Hughbert Alexander

Corryong Cup 2023 · Task 1 (Open) (Sun, 8 Jan 2023) · open · ranked #30 · times in Australia/Melbourne (GMT+11)

Scores computed

Landed out at 36.6 km — 278.7 points

The flight

What the tracklog shows, and which crossings scored.

Start time taken: gate 5 of 5 — the last start gate at or before the crossing. The speed-section clock runs from the gate, not from the crossing (FAI S7F §8.3.1).15:00:00

Day quality — points on offer

Task validity 88.25% of a perfect day, so 882.5 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?100%
Time validity — was the winning time long enough relative to the nominal time?88.25%
Points on offer for the day882.5 pts

1000 × 1.00 × 1.00 × 0.8825 = 882.5

Split between the components by the goal ratio

distance 384.6 · time 498

Distance points

278.7 pts
Scored distance36.6 km

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

Best distance in class52.0 km
Linear half — half the available points scale with your share of the best distance135.2 pts

0.5 × (36.56 km ÷ 51.99 km) × 384.6 = 135.2

Difficulty half — rewards flying past stretches where many pilots landed143.5 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.

Total

278.7 pts
Distance + time + leading + arrival, minus penalties278.7 pts

round(278.7 + 0.0, 1 dp) = 278.7

Track data cleaning

19 of 7356 GPS fixes (0.3%) 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

  • 17:21:35 · 1 fix · up to 71 m off
  • 17:21:59 · 1 fix · up to 467 m off
  • 17:24:58–17:25:07 · 10 fixes · up to 496 m off
  • 17:25:42–17:25:45 · 3 fixes · up to 157 m off
  • 17:26:17–17:26:23 · 4 fixes · up to 273 m off