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Olav Opsanger

Corryong Cup 2023 · Task 4 (Open) (Fri, 13 Jan 2023) · open · ranked #8 · times in Australia/Melbourne (GMT+11)

Officially: 8th · 826 pts (AirScore)

Scores computed · FAI S7F 2026

Made goal in 1:43:11 — 819.3 points

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The flight

What the tracklog shows, and which crossings scored.

How this works

Crossed the start cylinder boundary 9 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 15:00:06 crossing is the scored start. By the 15:19:24 crossing the flight had already reached TP3 (LIGHTH), so treating that as a re-start would mean flying the course again from there — a shorter, later run that scores less.
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 §9.2.4.1).15:00:00
Completed the task — full task distance is credited.

Day quality — points on offer

Task validity 99.57% of a perfect day, so 995.7 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%

33 pilots flew out of 33 present. Nominal launch is 96%, so launch validity is full once 32 pilots are in the air.

Distance validity — the day counts for less if the field as a whole did not get far.100%

Measured against a 35.0 km nominal distance, a 30% nominal goal and a 5.0 km minimum distance. The field flew 51.4 km past the minimum on average, with a best of 74.7 km.

How far the field got — the spread distance validity is computed from, one dot per pilot. 33 pilots flew; you flew 74.7 km, further than 14 of them. The day averaged 51.4 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.99.57%

The fastest pilot took 1:26:36 against a nominal task time of 1:30:00 — 96.2% of nominal.

Points on offer for the day995.7 pts

1000 × 1.00 × 1.00 × 0.9957 = 995.7

Split between the components: 19 of 33 pilots made goal — a goal ratio of 0.58

distance 395.5 · time 600.2

The share each component takes of the day

distance 39.7% · time 60.3%

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

395.5 of 395.5 pts

Full distance — one of 19 pilots in goal

How this works

Task distance74.7 km

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

Scored distance74.7 km

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

Best distance in class74.7 km
Made goal — full available distance points.395.5 pts
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 74.7 km of the class best 74.7 km, worth 395.5 of 395.5.

Time points

423.9 of 600.2 pts

8th fastest of 19 through the speed section

How this works

Your speed section time1:43:11

Timed from your 15:00:00 start gate to the end of the speed section (FAI S7F §9.4) — you crossed the start at 15:00:06.

Fastest time in class1:26:36

Set by Scott Barrett — you were 16:34 behind.

Time points fall off with the gap to the fastest time423.9 pts

speed fraction = max(0, 1 − ((T − Tbest) ÷ √Tbest)^5⁄6) = 0.7062; × 600.2 available = 423.9 (times in hours)

The curve is the time-points formula — every dot is a pilot, sitting exactly on it. You were 16:34 behind the fastest time, which cost 176.3 of the 600.2 time points on offer.

Total

819.3 of 995.7 pts

How this works

Distance + time + leading + arrival, minus penalties819.3 pts

395.5 + 423.9 ≈ 819.3 — the points above are shown rounded to 0.1; the total is rounded from their exact sum.

Where the points went

Your 819.3 against the 995.7 that won the class.

How this works

Distancelevel

you 395.5, the leader 395.5

Time−176.3 pts

you 423.9, the leader 600.2

Penalties−0.1 pts

you −0.1, the leader 0

Behind Scott Barrett−176.4 pts

Most of the gap — 176.3 of 176.4 points — is time-points.

Track data cleaning

195 of 7928 GPS fixes (2.5%) 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

  • 14:39:45–14:39:47 · 3 fixes · up to 236 m off
  • 14:40:16–14:40:17 · 2 fixes · up to 159 m off
  • 14:41:20 · 1 fix · up to 164 m off
  • 14:44:24–14:44:25 · 2 fixes · up to 121 m off
  • 14:44:41 · 1 fix · up to 149 m off
  • 14:44:49 · 1 fix · up to 103 m off
  • 14:45:08–14:45:09 · 2 fixes · up to 156 m off
  • 14:48:00 · 1 fix · up to 104 m off
  • 14:48:14–14:48:15 · 2 fixes · up to 170 m off
  • 14:48:36–14:48:38 · 3 fixes · up to 202 m off
  • 14:50:53–14:50:55 · 3 fixes · up to 205 m off
  • 14:51:11 · 1 fix · up to 130 m off
  • 14:51:41–14:51:42 · 2 fixes · up to 194 m off
  • 14:51:52–14:51:55 · 4 fixes · up to 196 m off
  • 14:56:16–14:56:17 · 2 fixes · up to 104 m off
  • 14:57:51–14:57:57 · 6 fixes · up to 196 m off
  • 14:59:47–14:59:48 · 2 fixes · up to 233 m off
  • 15:00:40–15:00:41 · 2 fixes · up to 120 m off
  • 15:13:55–15:13:57 · 3 fixes · up to 216 m off
  • 15:14:43–15:14:46 · 4 fixes · up to 182 m off
  • 15:17:11–15:17:12 · 2 fixes · up to 165 m off
  • 15:23:46–15:23:49 · 4 fixes · up to 274 m off
  • 15:26:34–15:26:38 · 5 fixes · up to 282 m off
  • 15:33:19–15:33:23 · 5 fixes · up to 275 m off
  • 15:34:22–15:34:28 · 7 fixes · up to 294 m off
  • 15:34:35 · 1 fix · up to 101 m off
  • 15:37:25–15:37:26 · 2 fixes · up to 143 m off
  • 15:38:43–15:38:54 · 12 fixes · up to 544 m off
  • 15:39:09–15:39:26 · 14 fixes · up to 470 m off
  • 15:40:04–15:40:09 · 6 fixes · up to 406 m off
  • 15:42:01–15:42:03 · 3 fixes · up to 331 m off
  • 15:44:51–15:44:55 · 4 fixes · up to 516 m off
  • 15:45:39–15:45:43 · 5 fixes · up to 342 m off
  • 15:45:52–15:45:53 · 2 fixes · up to 184 m off
  • 15:46:09–15:46:12 · 3 fixes · up to 290 m off
  • 15:47:38–15:47:54 · 10 fixes · up to 975 m off
  • 15:52:04–15:52:11 · 8 fixes · up to 309 m off
  • 15:56:17 · 1 fix · up to 116 m off
  • 16:00:42 · 1 fix · up to 155 m off
  • 16:04:12 · 1 fix · up to 90 m off
  • 16:11:01–16:11:04 · 4 fixes · up to 327 m off
  • 16:11:31–16:11:33 · 3 fixes · up to 254 m off
  • 16:13:03–16:13:08 · 5 fixes · up to 432 m off
  • 16:22:26–16:22:27 · 2 fixes · up to 199 m off
  • 16:23:07–16:23:09 · 3 fixes · up to 222 m off
  • 16:24:01–16:24:02 · 2 fixes · up to 179 m off
  • 16:31:35–16:31:39 · 5 fixes · up to 313 m off
  • 16:32:20–16:32:25 · 6 fixes · up to 410 m off
  • 16:34:50–16:34:55 · 6 fixes · up to 519 m off
  • 16:35:54–16:35:59 · 6 fixes · up to 338 m off
  • 16:42:35–16:42:38 · 4 fixes · up to 384 m off
  • 16:44:58–16:45:01 · 4 fixes · up to 374 m off
  • 16:47:10–16:47:11 · 2 fixes · up to 249 m off