The Convention badge states that it is awarded for

10 posts with score of 2 on meta.

Meaning a user must post at least 10 posts (questions or answers) with a score of 2 or more.

If I understand that correctly, then the most recent user who got the badge has only 8 answers with a score of 2 or up and 1 such question.

That makes a total of 9 qualifying posts. So, where did that 1 other phantom post come from?

  • 3
    Score isn't upvotes. It is # upvotes - # downvotes. – Oded Feb 11 '14 at 16:43
  • 1
    Possibly a deleted post, but that is something interesting for a mod to find out. – Sumurai8 Feb 11 '14 at 16:43
  • 5
    About an hour ago, this answer of theirs was at a score of +4. Now it's been downvoted to a score of 0. So they did have 10 posts with a score of 2. Now they don't. – animuson Feb 11 '14 at 16:47
  • @Sumurai8: There is one post that is currently downvoted to 0, but was has 5 up and 5 downvotes. – Martijn Pieters Feb 11 '14 at 16:47

Remember, regular badges, once awarded, are not taken away again, at least not by any normal process.

In other words, the user at some point met the criteria. But if a post has since been deleted or downvoted, the criteria are perhaps no longer met but the badge is still earned.

In particular, because the badge was awarded only an hour ago I strongly suspect that this answer may have reached a score of +2 before being downvoted again to its current score of 0. It currently has 5 upvotes and 5 downvotes.

Update: animuson confirms that that specific post made it to +4 before being downvoted again. At the the time the badge was awarded, all criteria had been met.

Note that 'score' is the displayed post score, which is upvotes minus downvotes; the badge is not awarded just for upvotes alone.

  • 1
    @Simon_eQ: Why does it mean that? Those votes were not all cast at the same time. It could have accumulated 3 or 4 upvotes before any downvotes were cast, for example, the badge awarded, then hours later have received downvotes to push it below +2 again. – Martijn Pieters Feb 11 '14 at 16:54
  • @Simon_eQ: No, badges are awarded in batches, where a batch job checks if criteria are currently met. When that badge was awarded, the criteria were there to earn the badge. – Martijn Pieters Feb 11 '14 at 17:01

Except in extreme cases, badges aren't rescinded once awarded. The most likely explanation is that one of the upvotes on one of that user's posts was removed (unupvote, voter account removed), the post itself was removed, or a post received a downvote after the badge had been awarded.

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