Below is an explanation of how Champions League places can be awarded, with the highest club coefficient set to prevail over teams that are above them in the Premier League table.
The following Example shows how West Ham could be robbed of a place in this case …
West Ham are currently fifth in the Premier League and could still make it into the top four after Chelsea lost points at home to Brighton last night Has.
Ref: https://www.caughtoffside.com