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27.05.2020
New Version of the Scoring Software


http://fs.fai.org/trac/wiki/FS2020R1.1

"Joerg Ewald" <<joerg.ewald>>
writes:


We just released FS 2020 R1.1, which includes the following
changes:

·         Additional scoring formula: GAP 2020

·         Optional separate category scoring

·         FSDB files now include all results

·         A number of smaller improvements and bug fixes



http://fs.fai.org/trac/wiki/SeparateCategoryScoring


 In most competitions, besides the overall scoring, we also
produce various category scorings: Female, Sports Class, or all pilots of one
nations for their national championship.

Traditionally, those category rankings are produced by "filtering": The pilots
who fall into the cateogry in question are filtered out from the overall
scoring. Their score is always identical with their score in the overall
ranking.

The problems with filtering

This filtering method is very easy, but it can lead to very tight rankings,
where pilots are separated by only a very small number of points. Which
potentially leads to a chance competition winner, especially in slower
categories in competitions with a good number of fast wings and pilots: The
slower pilots - competing in Sports Class, for example - will be bunched up
towards the bottom of the ranking, with very few points to separate them. The
pilots who do well within their categoriy and beat their opponents into goal are
rewarded much less than the overall task winners. This because time points
distribution becomes "flatter" towards the end of the race, when the slower
pilots arrive in goal. For them, their differences in time translates into very
small differences in time points. After a certain time, which depends on the
overall winner's time, they may not even get any time points any more, which
leaves them all with the same amount of distance points, and the few leading
points they may get.

Another issue is that if a task is set too ambitiously for Sports Class, but the
higher-end wings do just fine, the day still counts fully for everybody, even if
all the Sports Class pilots landed shortly after the start.



https://OzReport.com/1590543230
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