You don't need to announce that you're castling, just do it.
Similarly, you don't need to announce when you're putting someone in check.
Once the game starts, chances are my opponent and I don't say anything to each other except possibly "Draw?" and/or "J'adoube"/"Adjust." Anything beyond that (with the exception of the rare rule disputes) is unneccesary.
In USCF tournaments, when a player wants to castle, I think s/he must perform the following steps in order:
Step 1. announce "castle"
Step 2. move the king
Step 3. move the rook
Is the above correct?
Since "castle" was announced, is it then legal to move however you want to reach the final position? E.g. move the king (say) 1 square, then move the rook 1 square, then move the king 1 square, and move the rook.
Is it also legal to not make the announcement and just start at moving the king 2 squares? (I.e. skipping step #1).
Thanks.