I got two star rating on codechef but after two days it decrease to one star why it happend?

general
1

I got two star rating on codechef but after two days it decrease to one star why it happend

2

YOU HAVE TO MAINTAIN THE STAR

1 Like
3

OKH

4

I think it was a bug one day before it was showing 2 star and after day again it showing one star now today again two star are shown.