It's what the frontpage would look like if only the votes of users who joined in the first year counted. I made it to check if the site is declining. In practice it's usually just a slower-changing version of the frontpage.
~ pg
Cool experiment! It's still possible that the "high quality" users have stopped visiting (and stop voting) as the vibes Septemberized, leaving us with older accounts that act roughly in line with the way September accounts have made it. I'd be interested to know what portion of these older accounts are still voting.
If there's something magical going on, the ordering would be the only real distinction possible.
Apparently the original (still the same?) dates back to the OG PG days:
Ask HN: who knows about this - "http://News.YCombinator.com/classic"? - https://news.ycombinator.com/item?id=1832884