Pawns
From Conservapedia
Pawns are the least valuable pieces in chess, but fundamental to successful strategy because there are so many of them (8 per side).
A few tips on pawn strategy:
- pawns in the center of the board are more valuable in the middle game than in the endgame
- pawns are the only pieces that cannot move backwards, so it can be a mistake to get overextended in advancing them.
- if behind by a minor piece then consider trading pawns because no one can checkmate with only a minor piece and a king