Ikkitsuukan

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Ikkitsuukan
Type Yaku
Kanji 一通 or 一気通貫
English Straight
Value 2 han
1 han (open)
Speed Fast
Difficulty Easy

Ittsu (一通), or ikkitsuukan (一気通貫), is one of the standard yaku. This hand consists of three melds in one suit of 1 through 9, any available extra meld, and any pair. This hand may be open or closed.

Tile diagram

Winning tile: or

Open

Winning tile:

Formation

While the hand shows a complete 1-9 grouping from a particular suit, it is best to view as three separate groups of: 123, 456, and 789. This is particularly useful to note when needing to open the hand with such a combination.

Compatability

RCH DRI IPP SMO TAN PFU IPK ITT YAK SDJ SDO TOI SNA SNK CHA JUN RPK SSG HRO HON CHN CHI RIN HAI HOU CHK
ITT

External links

Ikkitsuukan in Japanese Wikipedia