Maxwell Smart, during a chess game with the Chief, as he flips through the "how to play chess" book, taking hours for each move: "Here's an interesting chapter, Chief -- How to Wear Down Your Opponent". The episode was Get Smart the Assassin (#1.2) (1966).
"Get Smart" was a spoof of spy stories, and lasted five years, from 1965 to 1970.
King-queen-rook-bishop-knight-pawn: Blog entry describing the plot of the episode, "Get Smart the Assassin"
IMDB "Get Smart" Quotes
IMDB: Get Smart the Assassin (#1.2) (1966)