I refreshed the Main Menu page, and was delighted to see myself ranked 0. Got a screen shot if admins are interested.

its a glitch, quite many have seen it. nothing to worry.

Only appears in the first 5 minutes of any new country.

Xinhuan, my country isn't new.

It happens more often than that Xin. More like every 5 mins if you catch it.

Maybe the Scores updating function that runs every 5 minutes is a concurrent thread, and it sets all countries to Rank 0 before looping over all countries, sorting their new rank, and writing to each country's db.

Accessing the country during the scores update would probably retrieve it as Rank 0 then.

qz explained it once.

Yea, I truncate the ranks table before writing to them. So attempting to access it during that time could result in a Rank 0; Though some things, like the ranks feed, will wait for the update, via a GET LOCK in sql ;)

Bonus post