When your Pawn reach the enemy main field (if you play white this will be H line if you play black this will be A line) Pawn will be promote. And change from pawn into one figure like Knight, Bishop, Rock or Queen. Players always take Queen because is the most powerful figure.
Pawns good and bad sides:
Good side:
8 pawns in game!
Very strong formation when pawns are good protect.
Pawn can be change in to figure
Bad side:
Pawns are slow
Single pawn without protection is very week.
