“Knights had no meaning in this game. It wasn't a game for knights.”
Source: The Big Sleep (1939), Chapter 28
Context: I looked down at the chessboard. The move with the knight was wrong. I put it back where I had moved it from. Knights had no meaning in this game. It wasn't a game for knights.
Help us to complete the source, original and additional information
Raymond Chandler 124
Novelist, screenwriter 1888–1959Related quotes
Source: The Mysterious Benedict Society

“Toil is the true knight's pastime.”
The Saint's Tragedy (1848), Act i, scene ii, reported in Bartlett's Familiar Quotations, 10th ed. (1919).
Attributed

“A Gentle Knight was pricking on the plaine.”
Canto 1, stanza 1
The Faerie Queene (1589–1596), Book I

“To the knights of faith nobody believes.”
”The Thin Thread,” p. 64
Circling: 1978-1987 (1993), Sequence: “A Warden with No Keys”

cue Python sketch: "Upper Class Twit of the Year"
From PBS series Monty Python's Personal Best: John Cleese's Personal Best (2006), playing role of senile old man.

Source: Monty Python and the Holy Grail (Book): Mønti Pythøn Ik Den Hølie Gräilen

“Then were they afeard when they saw a knight.”
Book I, ch. 23
Le Morte d'Arthur (c. 1469) (first known edition 1485)

1960s, Portrait of a Genius As a Young Chess Master (1961)