Ikkitsuukan
| Type | Yaku |
|---|---|
| Kanji | 一通 (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:
English reference
- Straight
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.
External links
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