How many squares do the king and rook move when castling?
There are two types of castling: • Short: On the `kingsside’. • Long: On the `queensside’. In both cases, the king moves two squares; the rook moves either two or three squares. Here is an example of short castling. First, white castles short, then black castles short. And here is an example of long castling. First, white castles long, then black castles long.
