LFSD West Coast Challenge 2005
Long Flights On Short Days
Original posting 12/31/04
Updated 12/31/04

Scoring Examples

Scores are calculated based on the simple formula:

d times z

• Where
• d = Total straight line miles between two points (see rules)
• z is a calculated adjustment factor to devalue longer days (see expression calculation)

The basic formula is simple, but calculating z is clunky, so we recommend using our Excel Spreadsheet Calculator

Some Scoring Examples

1. 50 mile flight on Jan 1st
• d = 1
• z computes to 1
• 50 times z = 50 points

2. 50 mile flight on Jan 27th
• d = 27
• z computes to 0.9901
• 50 times z = 50 points

3. 51 mile flight on Feb 1st
• d = 32
• z computes to 0.9805
• 51 miles times z = 50 points

4. 54 mile flight on Feb 15th
• d = 46
• z computes to 0.9191
• 64 miles times z = 50 points

5. 64 mile flight on Mar 1st
• d = 60
• z computes to 0.7828
• 64 miles times z = 50 points

6. 88 mile flight on Mar 15th
• d = 74
• z computes to 0.5652
• 88 miles times z = 50 points

7. 108 mile flight on March 20th (Diablo 2004)
• d = 79
• z computes to 0..4753
• 108 miles times z = 51 points

8. 187 mile flight on April 1st
• d = 91
• z computes to 0.2656
• 187 miles times z = 50 points

9. 250 mile flight on May 1st
• d = 120
• z computes to 0.0214
• 250 times z = 3 points

10. 500 mile flight on July 4th
• d = 185
• z computes to 0.0
• 500 miles times x = Zero points

11. 274 mile flight on Oct 1st
• d = 274
• z computes to 0.1807
• 274 miles times z = 50 points

12. 113 mile flight on Oct 15th
• d = 304
• z computes to 0.4413
• 113 miles times z = 50 points

13. 66 mile flight on Nov 1st
• d = 305
• z computes to 0.7593
• 66 miles times z = 50 points

14. a 55 mile flight on Nov 15th
• d = 319
• z computes to 0.9165
• 55 miles times z = 50 points

15. a 51 mile flight on Dec 1st
• d = 335
• z computes to 0.9861
• 51 miles times z = 50 points

16. a 50 mile flight on Dec 4th
• d = 338
• z computes to 0.9911
• 50 miles times z = 50 points