JahonaliX's blog

By JahonaliX, history, 4 weeks ago, In English

Yesterday I saw my rating is 1501. And today i visit to codeforces and i saw my rating is 1493. I checked other people's rating and they are also decreased. Why?

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4 weeks ago, # |
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Rating changes were re-calculated, and probably some people were caught cheating. As people have pointed out before, 1000/18000 is a better percentage than 1000/17000.

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4 weeks ago, # |
  Vote: I like it +2 Vote: I do not like it

same mine decreased by 15 but last time this had happened it was corrected after some time so let's just hope for that.

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4 weeks ago, # |
  Vote: I like it +4 Vote: I do not like it

Mine too (from 1673 to 1666). My rank was 271 earlier and 264 now. So apparently 7 people above me were caught cheating (this should improve my performance), but usually the amount of cheaters is much larger in the lower rankings (and this should decrease my performance, because my rank is now out of lesser people).

I think due to many cheaters in the lower rankings, it leads to an overall worse performance for me. But okay, its very good that codeforces attempts to remove cheaters, even if it is at the cost of some rating points. Hopefully these cheaters will just develop a conscience and stop jeopardizing contests and bothering codeforces admins, as well as the contestants.

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    4 weeks ago, # ^ |
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    Thank you!

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    4 weeks ago, # ^ |
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    Do you think codeforces will return the rating?

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      4 weeks ago, # ^ |
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      Maybe, but don't worry about it.

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      4 weeks ago, # ^ |
        Vote: I like it +12 Vote: I do not like it

      Probably, new accounts again got a huge and insane positive delta (more than +80) so it's very likely that the bug emerged again.