Chekhov's gun

Chekhov's gun (Chekhov's rifle; Чеховское ружьё) is a narrative principle that states that every element in a story must be necessary and irrelevant elements should be removed. For example, if a writer features a gun in a story, there must be a reason for it, such as it being fired some time later in the plot. All elements must eventually come into play at some point in the story. Some authors, such as Hemingway, do not agree with this principle.

The principle is recorded in letters by Anton Chekhov several times, with some variation; it was advice for young playwrights.

In recent years, the term has also taken on the meaning of a plot element that is introduced early in a story, whose significance to the plot does not become clear until later. This meaning is separate from Chekhov's original intention with the principle, which relates to narrative conservation and necessity, rather than plot significance.

Examples
The principle is carried out somewhat literally in many of the James Bond films, in which the spy is presented with new gadgets at the beginning of a mission – such as a concealed, wrist-activated dart gun in Moonraker – and typically each device serves a vital role in the story. The principle dictates that only the devices utilized later in the story may be presented. A common misconception is that the reveal itself is a Chekhov's gun plot element. There are however exceptions in the James Bond films; in Licence to Kill for example, Bond gets an instant camera with a built-in laser gun that takes x-ray pictures, but is immediately used for comedic effect and makes no further appearance in the film.

Variations
Ernest J. Simmons, (1903–1972) writes that Chekhov repeated the same point, which may account for there being several variations.


 * "One must never place a loaded rifle on the stage if it isn't going to go off. It's wrong to make promises you don't mean to keep."  (Here the "gun" refers to a monologue that Chekhov deemed superfluous and unrelated to the rest of the play.)
 * "Remove everything that has no relevance to the story. If you say in the first act that there is a rifle hanging on the wall, in the second or third act it absolutely must go off. If it's not going to be fired, it shouldn't be hanging there." — Sergius Shchukin (1911) Memoirs.
 * "If in the first act you have hung a pistol on the wall, then in the following one it should be fired. Otherwise don't put it there."

Criticism
Ernest Hemingway mocked the principle in his essay "The art of the short story", giving the example of two characters that are introduced and then never mentioned again in his short story "Fifty Grand". Hemingway valued inconsequential details, but conceded that readers will inevitably seek symbolism and significance in them. Writer Andrea Phillips noted that assigning a single role for every detail makes a story predictable and leaves it "colorless".

Writing in 1999, Donald Rayfield noted that in Chekhov's play The Cherry Orchard, contrary to Chekhov's own advice, there are two loaded firearms that are not fired. The unfired rifles tie into the play's theme of lacking or incomplete action.