Scoring formula

[Verne Koester]

Eric,
Obviously, we haven't been using the TBL system. I've never really understood it, but I think it employs a means of comparing judges to each other throughout a round and pinpoints a judge that scores abnormally high or low compared to the other judges for a given pilot compared to how they judged for other pilots (again compared to their fellow judges). I may be all wet on that.

Note 2 sums it all up by saying that if you DON'T use the TBL system (meaning us) then you have to drop the high and low score if more than 4 judges are used (again meaning us in the Finals setting).

Having said all that, I still think it would be a mistake to go back and recalculate. Anybody who moved up would have a hollow victory at best. Anybody moving down would have every right to be more than suspicious. It's a lose-lose no matter how you cut it. 

If there's one thing that everybody needs to understand here, it's that none of this had anything to do with the fantastic job the scoring team did. I'm sure they had no idea that anything was supposed to change when we got into the Finals. It's not my call, but my vote would be to go back to dropping the high and low in the Finals for FAI and Masters next year and just put this one to bed as it stands.

Verne
  ----- Original Message ----- 
  From: Grow Pattern 
  To: discussion at nsrca.org 
  Sent: Friday, July 29, 2005 8:39 PM
  Subject: Re: Scoring formula


  Here is what the FAI sporting code says for FAI. (For AMA it looks like it is not specified - maybe we need to update the rules book?)

  (Pretty tricky English - advise you read it a few times before drawing a conclusion or two)

  Regards,

  Eric.

  5.1.9. Classification

  Each competitor will have four preliminary flights, with the best three counting to determine the team

  placing. All scores, preliminary, semi-final and final, will be normalised to 1000 points as described

  below. The top one third, but not more than 30 competitors, will then have two additional semi-final

  flights flying the known finals schedule. The total of the best three preliminary flights (normalised

  again to 1000 points) will count as one score along with the two semi-finals scores to provide three

  scores, the best two to count for semi-finals classification. The top ten competitors of the semi-finals

  will then have four additional flights to determine the individual winner. Two final flights will be the

  current known finals schedule and two will be unknown schedules (two different schedules) (see

  Annex F) flown one time each. The known and unknown schedules should be flown in alternating

  sequence. The best score from the known schedule will be combined with the best score from the

  unknown schedules for final classification. In the case of a tie the semi-final score will be used to

  decide the higher classification.

  Scores for all rounds, preliminary, semi-finals and finals, will be computed using the Tarasov-Bauer-

  Long (TBL) statistical averaging scoring system. Only computer tabulation systems containing the

  TBL algorithm and judge analysis programs and approved by the CIAM Bureau can be used at

  World and Continental Championships. All scores for each round, preliminary, semi-final and finals,

  will then be normalised as follows. When all competitors have flown in front of a particular group of

  judges (i.e. a round) the highest score shall be awarded 1000 points. The remaining scores for that

  group of judges are then normalised to a percentage of the 1000 points in the ratio of actual score

  over winner's score.

   Note 1: Final and semi-final flights to determine the individual winner are only required for World and

  Continental Championships. For smaller contests the total of the three best preliminary flights may

  be used to determine the individual winner and team placing.

  Note 2: The TBL system can only be applied for events with at least 10 competitors and 5 judges.

  For those smaller events that are not scored with the TBL system, the high and low scores for each

  manoeuvre will be discarded if four or more judges are used.
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