You could make it top 10% , or top 5% etc.
Because players can give trophies to each other without limit, maybe instead of trophies there could be a "tournament leader" stat or something like "stars" that are earned in number equivalent to tournament achievements e.g. placing in the top 10 earns __ amount while placing at number 1 earns more.
Or is there a stat for "won tournaments" I think I saw one once but it might not have been for this site.
On chess.com how come there aren't any trophies givin to people who place in the top ten in a tournament. I know some people have probably worked there butt off just to hit the top ten mark out of like 100 participants heck with a tournament that big the top 20 deserve consideration but why is none givin for either.
P.S. the top 5 in a tournament of 30 or so people is another considereable spot to enter.