James Atkinson

Corryong Cup 2021 · Task 1 (Open) (Sun, 10 Jan 2021) · open · ranked #25 · times in Australia/Melbourne (GMT+11)

Scores computed

No valid start — 92 points

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

The flight

What the tracklog shows, and which crossings scored.

No valid start — the track never crossed the start cylinder in the required direction, so only pre-start progress can score.

Day quality — points on offer

Task validity 96.96% of a perfect day, so 969.6 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?96.96%

Points on offer for the day969.6 pts

1000 × 1.00 × 1.00 × 0.9696 = 969.6

Split between the components by the goal ratio

distance 422.2 · time 547.4

Distance points

92 pts

Flew 0.0 km, less than the 5.0 km minimum — scored as the minimum distance.

Scored distance5.0 km

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

Best distance in class51.2 km

Linear half — half the available points scale with your share of the best distance20.6 pts

0.5 × (5.0 km ÷ 51.2 km) × 422.2 = 20.6

Difficulty half — rewards flying past stretches where many pilots landed71.4 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.

Total

92 pts

Distance + time + leading + arrival, minus penalties92 pts

round(92.0 + 0.0, 1 dp) = 92

Track data cleaning

199 of 2131 GPS fixes (9.3%) 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

15:25:22–15:25:23 · 2 fixes · up to 108 m off
15:26:19–15:26:21 · 3 fixes · up to 205 m off
15:32:41–15:33:18 · 35 fixes · up to 192 m off
15:33:23–15:34:08 · 44 fixes · up to 199 m off
15:34:14–15:34:21 · 8 fixes · up to 185 m off
15:34:28–15:34:36 · 9 fixes · up to 221 m off
15:34:46–15:34:51 · 6 fixes · up to 272 m off
15:35:07 · 1 fix · up to 234 m off
15:35:23–15:35:24 · 2 fixes · up to 262 m off
15:35:32–15:35:38 · 7 fixes · up to 288 m off
15:35:50–15:35:57 · 8 fixes · up to 299 m off
15:36:02 · 1 fix · up to 254 m off
15:36:06–15:36:10 · 5 fixes · up to 274 m off
15:36:29 · 1 fix · up to 242 m off
15:36:34 · 1 fix · up to 275 m off
15:36:38–15:36:42 · 5 fixes · up to 290 m off
15:36:47 · 1 fix · up to 243 m off
15:37:36–15:37:59 · 23 fixes · up to 308 m off
15:38:09–15:38:46 · 35 fixes · up to 215 m off
15:39:41–15:39:42 · 2 fixes · up to 131 m off