There are plenty of errors in Codechef June Lunchtime Div 1 Ranklist.
People with 150 points are ranked above the ones with 200 points in some places
People with 100 points are ranked above people with 150 points in some other places.
Ratings also calculated incorrectly based on the wrong ranks.
Some links:
Hi, thanks for reporting. Yes, we had noticed this and are looking into it. Will keep you updated.
Thank you