There's a rifle above the bar because the name of the place is "The Winchester".
"If you say in the first chapter that there is a rifle hanging on the wall, in the second or third chapter it absolutely must go off. If it's not going to be fired, it shouldn't be hanging there."
Chekhov, master of the short story, gave this advice: If it's not essential, don't include it in the story.
The term has come to mean "an insignificant object that later turns out to be important." For example, a character may find a mysterious necklace that turns out to be the power source to the Doomsday Device, but at the time of finding the object it does not seem important. The necklace was essential to the story, but its introduction downplayed its importance. Chekhov's advice was not necessarily to conceal importance, but to just not spend time on things that are not important.
A lot of people consider the phrase "Chekhov's gun" synonymous with foreshadowing. They are related; a gun that goes off in the third act that hasn't been in the play at all before then is going to feel like a real Ass Pull, but that's not key to the meaning of the phrase.
As a result of the success of franchises like Lost or Harry Potter, viewers and fans of Myth Arc-laden and/or carefully written shows and books have become accustomed to obsessing over minuscule details and looking out for Chekhov's Guns everywhere and anywhere... whether they actually exist or not. We call these Epileptic Trees and Wild Mass Guessing.
— Trope Namer Anton Chekhov (From S. Shchukin, Memoirs. 1911.)
Chekhov's Gun Depot also stocks:
- Chekhov's Armoury: A whole stash of Chekhov's Guns.
- Chekhov's Army: A whole stash of Chekhov's Gunmen.
- Chekhov's Boomerang: Chekhov's Gun has already been used once, then unexpectedly turns up again.
- Chekhov's Classroom: Remember what you heard, when you weren't even listening?
- Chekhov's Exhibit: Chekhov's Gun will be put on display for the general public to gawk at. Before it's stolen, of course.
- Chekhov's Gag: You thought Chekhov's Gun was only introduced for the Rule of Funny, but later it goes off dramatically.
- Chekhov's Gift: Happy birthday! Here, have a Chekhov's Gun.
- Chekhov's Gunman: When a character seems to be there for no reason, they must be important. In other words, the Chekhov's Gun is a character rather than an object.
- King Incognito: When Chekhov's Gunman is a famous/important person in disguise.
- Chekhov's Hobby: Like Chekhov's Skill, but it is merely established that the character has the skill rather than showing them using or learning it beforehand.
- Chekhov M.I.A.: Remember that missing character? It's actually a Chekhov's Gunman.
- Chekhov's News: When a news report mentions something that will be important later.
- Chekhov's Skill: What you learn along the way can be a Chekhov's Gun.
- Workplace-Acquired Abilities: When the abilities obtained in one's professional career come in handy.
- Chekhov's Volcano: If it wasn't going to erupt, it would have just been a mountain.
- Conspicuously Light Patch: The Chekhov's Gun of old, traditional animation, where anything obviously not part of the static (and often painted) background layer will be put to use by a character.
- Conspicuous CG: The analogue for CGI, newer cartoons, and more video games.
- Empty Room Psych: In a video game, all places must have a purpose.
- Forbidden Chekhov's Gun: Never do this. Ever. (Unless you've crossed the Godzilla Threshold or something...)
- Incurable Cough of Death: The medical Chekhov's Gun. If you coughed in the first act, you can bet that you'll be dead by the third. Same for unexplained itches, unless they lead to something more... interesting.
- Infallible Babble: If prophecies are always right, then nonsense, hearsay and barely comprehensible rumours are even moreso.
- Ironic Echo: A line of dialogue early on is repeated in an ironic context, showing a change in meaning or of heart.
- It May Help You on Your Quest: Take this dull, seemingly-useless (or even mostly-useless) item. Go on, take it! You will be most definitely needing it.
- The Legend of Chekhov: If someone tells a fairy tale or legend, it'll turn out to be true. And, outright disbelieving it only ups the uncomfortable nature of the truth when it hits.
- Meaningful Echo: A line of idle dialogue is later repeated in a context that gives it additional significance.
- Meaningful Name: A character's name turns out to have important meaning.
- Not-So-Small Role: Character #23 is played by whom? They'd never have signed on for so small a role!
- Notice This: It must be important to the plot — look where it's positioned and lighted.
- Plot Device All Along: Something mundane that the character uses regularly and constantly turns out to have been a highly important artifact.
- The Promise: A verbal, visual or conceptual Chekhov's Gun where a promise is made and later comes up. Whereupon the promiser will be required to act; or, in unlucky cases, the promisee.
- You know what will invariably happen when you see any of these in a scene....
- Someday This Will Come in Handy: Useless knowledge is always important. Compare Classroom, Skill.
- You Will Know What to Do: You are told it will be important, but you aren't told when, where, how, or why. And, you'll be lucky if you know exactly what it does before the consequences hit, too.
Examples
- Anime and Manga
- Comic Books
- Fan Works
- Film
- Literature
- Live-Action TV
- Mythology
- Professional Wrestling
- Radio
- Roleplay
- Table Top Gaming
- Theatre
- Video Games
- Web Animation
- Web Comics
- Web Original
- Western Animation
That's not the only reason, though...

