Sichuan Mahjong

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Scoring: base, fan, wind and rain

A win collects base × 2^fan. Kongs are paid on the spot; an empty wall triggers the pig check, the not-ready check and kong refunds.

On this page
  1. How much a win collects
  2. Wind and rain
  3. Kong money transfer
  4. When the wall runs out
  5. Rule options

How much a win collects

A win collects base × 2 to the power of its fan, up to the cap:

FanPayment
0×1
1×2
2×4
3×8
4×16 · Cap
  • Win on a discard: only the discarder pays.
  • Self-draw: every player still in the hand pays, each adding 1 extra base (self-draw bonus). Players who have already won don’t pay.

Example: with base 1, you self-draw a 2-fan hand and two others are still playing. Each pays 4 + 1 = 5, and you collect 10.

Wind and rain

Kongs are paid the moment they are made, in base units:

Who pays
Exposed kong (直槓)2 from the discarder
Added kong (刮風)1 from each player
Concealed kong (下雨)2 from each player

An added kong is “wind” (刮風), a concealed kong is “rain” (下雨). Only players who have not won pay.

Kong money transfer

If you kong, draw the replacement and your next discard lets someone win (deal-in after a kong), the money that kong just collected goes to the winner. You can switch this rule off in Settings.

When the wall runs out

If the wall is empty and two or more players have not won, those players are checked:

  1. Flower pig: anyone still holding a void-suit tile pays every non-pig player the capped amount.
  2. Not ready: anyone not ready pays every ready player the biggest hand that player could win.
  3. Refund: anyone not ready gives back all the kong money they collected this hand (except money already transferred).

Players who have won are not checked.

Rule options

House rules vary. Change them under Settings → House rules; they apply from the next game:

  • Fan cap: 3, 4, 5 or 6 fan; 4 (×16) by default.
  • Self-draw bonus: +1 base (default), +1 fan, or none.
  • Kong money transfer: on by default.
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