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Sichuan Swap Three

Exchange three same-suit tiles before a blood-battle game.

All variants
Rules and table scoring
  1. 108 tiles: characters, bamboo and dots, without honors or flowers.
  2. Start with 13 tiles each; dealer receives one more. A normal winning hand has 4 sets and a pair.
  3. Before play, each player chooses three tiles of one suit; all selections are exchanged simultaneously in one randomly determined direction.
  4. Declare a void suit. Discard tiles of that suit first and hold none of it when winning. No chows; pung and kong are allowed.
  5. A win has priority over pung/kong, which have priority over chow. Multiple discard wins are allowed. Concealed kongs and added kongs draw a replacement tile. An added kong can be robbed.
  6. A winner stops playing. The others continue until three players have won or the live wall is empty.
  7. Closed hands also allow seven pairs and thirteen orphans when the available tile set permits them. Four identical tiles may form two pairs.
  8. Table fan: basic win zero, all pungs one, seven pairs/full flush two, a root or kong bloom one, and self-draw one. Combinations stack. Points are 2 to the fan power, capped at four fan in Sichuan and eight in other tables.
  9. Kong payments at this table: an exposed discard kong receives two points from its discarder; an added kong receives one from each other active player; a concealed kong receives two from each. Discard wins are paid by the discarder; self-draw wins by all other active players.
  10. At a wall draw, remaining players are checked for the void suit and readiness: a flower pig pays 16 to each clean remaining player; an unready hand pays each ready hand its highest available capped win.
  11. The room starts with a five-minute deal limit and 40 seconds per turn. A timed-out turn is covered by a bot; an unfinished deal at the time limit ends without declaring a winner.