If you play chess, you know that a pawn can earn the right to become a bishop, a knight, a rook or a queen.

Yanni is a rookie.

Tom isn't a rookie.

Tom was still a rookie at that time.

I'm a rookie.

I made a rookie mistake.

Tom is a rookie.

Please drive slowly near sensitive habitats such as kelp forests and bird rookeries to minimize disturbance.

In chess, castling may only be carried out when both the king and the involved rook have not been moved, all the squares between them are free and not dominated by any opposing piece and the king is not in check and would not be put in check by castling.

I checkmated my opponent by using my two rooks.