Wow! But it doesn't seem like that's the case, several Chess players peaked well beyond that. Magnus Carlsen at 2882, for instance. [1] But that doesn't mean that you're not right, he could possibly be the best player ever.

[1]: http://en.wikipedia.org/wiki/Comparison_of_top_chess_players...

Doesn't seem like it. Magnus Carlsen has 2882.