One of my favorite stories about chess involves castling.
The story goes that a player in a tournament once castled in a
thoroughly original manner: having earlier promoted a pawn on
his King file to a rook, and not having moved it since it then, he
castled by moving his King to K3, and the rook to K2! His opponent
called him on it, and the tournament director got involved.
The unorthodox player insisted that he look up the definition of
castling, and, upon doing so, the TD found that the move that had
been made met all the requirements listed, so he allowed it.
Because it is probably an urban legend, it is ornamented
with an additional feature that makes you think
only in the movies. The castling player was said to be in dire straits,
but the castling move won the game by checkmating
his opponent!
The move itself would have drawn gasps from the crowd
if chess tournaments drew crowds, and as the realization of
checkmate swept through them, the spectators would have roared.
Since this never happens, we may as well continue the fantasy and
envision them choosing up sides based on their opinions of the move's legality,
and probably ending up lynching the tournament director.