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Somebody named a discard wrong. What happens?

It depends on what the tile was claimed for. Claimed for an exposure, the caller's hand is dead and the person who misnamed the tile is not penalized at all. Claimed for Mah Jongg, the Mah Jongg stands, and the misnamer alone pays the winner four times the value while the other two players pay nothing.

Answered by Prim. Last reviewed 2026-09-15.

The rule in one line: look as well as listen

A tile cannot be claimed until it has been correctly named. That single sentence carries the whole ruling, and the consequence it points at is that the responsibility sits with the person calling, not the person discarding. You are expected to look at the tile as well as hear it announced.

That feels unfair the first time somebody explains it, because the misnamer is the one who made the error. It stops feeling unfair once you notice the alternative, which would let any player invalidate somebody else's exposure by mumbling.

Claimed for an exposure: the caller's hand is dead

If you call a discard for a pung, kong or larger and the tile turns out not to be what was announced, your hand is dead. The player who named it wrongly is not penalized.

This is the half people most often have backwards, and it is worth being clear about it before it happens at your table rather than during the argument afterward. Somebody says seven bam, it is actually eight bam, you have already called it and put it on your rack. The exposure does not stand and your hand does not continue.

Claimed for Mah Jongg: the win stands, and the misnamer pays for everyone

Mah Jongg is the exception, and it goes the other way entirely. If you needed the tile by the name that was called and you declared Mah Jongg on it, your Mah Jongg stands. You win the hand and the game stops there.

The payment is where it gets pointed. The person who misnamed the tile pays you four times the value of the hand, alone. The other two players pay nothing at all. It is one of the few moments in this game where one player's slip costs them the entire table's worth of a hand, which is precisely why naming discards clearly is treated as a matter of manners and not only of rules.

Two things to keep separate

There is one narrow exception involving jokers. A discarded joker can never be claimed by anyone, so if a joker is misnamed as something else, the League's wording is that the player does not have Mah Jongg. The misnamer still pays four times, so the player still collects. Apply that wrinkle to jokers only, never to an ordinary misnamed tile.

And do not confuse any of this with a false Mah Jongg on your own hand, which is a different situation with a different price. Declaring Mah Jongg when your hand is not actually complete makes your hand dead and you pay the eventual winner the full single value, not four times.

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