white_harmony's blog

Unfair Ranking System
By white_harmony, history, 2 years ago, In English

In a recent Div 3 contest, I was able to solve 4 problems in 59 minutes with 3 wrong submissions overall. People who have solved 4 questions in more time than me and with more (>3) wrong submissions, are ranked better than me and have lesser penalty. My rating was calculated on even greater rank than actual. I was very strongly expecting an increase in my rating (which I should) and have got a decrease instead. I don't understand whatever this is. My rank on the standings page is 3642 and my rating is calculated on the rank of 4234. Would appreciate some genuine insights on this.

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2 years ago, # |
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Where did you get the 3642 from? (edit: yeah, probably trusted participants)

The reason that your rank is so low is because you solved all problems quite late into the contest; your time penalty is very high, so you are ranked at 2588th out of 3160 participants who solved 4 problems. It isn't a good idea to submit 4 problems at the same time; just submit as you solve.

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    2 years ago, # ^ |
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    I think he got it from the trusted participants standing — quite unfortunately, though the feature is well-reasoned, it is misleading as well. You can see your actual rank during the contest on the Friends Standing tab.

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