Here, on 4th, 5th and 6th places are players with the same amount of points. In past tournaments i have noticed that tie-breaker is sum of opponents elo, but here is not the case, because player on 4th place has the highest elo among the tied ones.
https://boardgamearena.com/tournament?id=172823
https://boardgamearena.com/tournament?id=172823