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Taiwanese mahjong · tai pattern

混一色

hùnyīsè · also 湊一色 (còuyīsè) · half flush

4台One suit plus honours: 4 tai. Also called 湊一色.
Example
pung中中中
一萬1二萬2二萬2三萬3三萬3四萬4五萬5六萬6七萬7八萬8九萬9北N北N四萬4

South wins on West's discard, East round, East deals.

Dragon pung 三元牌 1 + Half flush 混一色 4 = 5 tai

In one line4 tai by default. Other values: ZSY (宅神爺) 6, Willoughby (1998) 7.

Conditions

  • Your suited tiles are all characters, all dots or all bamboo.
  • At least one honour tile.

Each source's value

4 台Default · Gamesofa (神來也), IGS (明星3缺1), MJOnline (戲谷), Mahjong Masters, zh Wikibooks
6ZSY (宅神爺)
7Willoughby (1998)

With other lines

It replaces nothing and nothing replaces it: it adds to every other line.

In the example it adds to:

The example, settled

Who pays what (base 100, 20 per tai)

  • Westbase 100 + 5 tai × 20−200
  • South collects+200

Dealer and streak tai count only between the dealer and the player paying. Open this hand in the calculator →

Common questions

混一色: how many tai, and more

How many tai is 混一色 (half flush)?
4 tai by default. Other values: ZSY (宅神爺) 6, Willoughby (1998) 7.
What does 混一色 not stack with?
混一色 neither replaces nor is replaced by another line; it adds.
How do I check whether my hand scores 混一色?
Tap the hand into the tai calculator and it lists every line. Open this page's example in the calculator.