I think the rate calculating is wrong during latest two weeks.
Here is my rank update:
contest # contest rank rate update comment
Biweekly 3 39 / 1255 2273->2276
Weekly 143 22 / 4272 2276->2277 seems wrong
Weekly 144 239 / 4358 2277->2278
Biweekly 4 29 / 1622 2278->2279 seems wrong

Is there any other person meets this same issue ?
Can any Leetcode staff help have double check ?