Alfons de Palfons Wrote:I once had a severe drop in ELO after Remko accidentally reported the same match (that I lost) 5 times. I think my ELO remained the same after 4 of the 5 results were deleted. Or is it normally corrected again after the next match is reported?
Anyone (Steel God or Umbro) now if we have a small bug there?
It's not a bug it's a feature! :-)
Seriously, ELO, by nature has to be calculated in the order games are reported (so as to take into account the players' current ELO). Thus, it is not possible to "back out" a reported result after it has been applied.
However, there is an ELO management routine that recalculates ELO from the beginning of time which will correct errors of the type that Huib reports. Because it has to reprocess every result submitted to theBlitz this routine is a bit of a database hog and is only run sparingly. I should probably have added a count of deleted scenario reports since it was last run so as to give the ladder management a clue as to when to run it. Or perhaps have it run itself when enough detritus had accumulated. However, 'twas many moons ago, and I didn't.
umbro
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