Pawns only get 6 moves :) But also they can't all make 6 moves because they can only move past each-other via capture, so half of them would get 5 moves instead

Pawns only get 6 moves :) But also they can't all make 6 moves because they can only move past each-other via capture, so half of them would get 5 moves instead (if you're counting all the captures), so that gives a maximum of ~8850.