Guobiao Mahjong (MCR) Scorer

Scores hands based on the Chinese official rules:
Guobiao Mahjong
a.k.a. Mahjong Competition Rules (MCR)

How many flowers?
Self-draw?
No
Yes
Yes, after melding a quad

Winning tile was the last non-revealed tile Three copies of the winning tile were already revealed in the discard pile or in melds. You drew or someone threw the fourth copy of that tile and you won off of that one.

Example 1: Another player has a melded triple of east and you draw east to win 13 orphans.

Example 2: Player A has melded 123 sticks, player B has melded 345 sticks, there is a 3 of sticks in the discard pile, and someone throws the last 3 of sticks, which is your winning tile.
of its type

Prevailing wind: The game's current round (usually denoted by a die displaying one of the four winds). East South West North
Your seat wind: The player who threw the dice is east. The player to his right is south, to his left is north, and across the table is west. East South West North

Melds

Sequence
Triple
Open Quad
Closed Quad
Sequence
Triple
Open Quad
Closed Quad
Sequence
Triple
Open Quad
Closed Quad
Sequence
Triple
Open Quad
Closed Quad

Drag and drop tiles





Hand:
(inside)
Winning
Tile:
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