Ikki tsuukan
| 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
Main article: Yaku compatability
^ Ippatsu requires riichi to be of any use.
| 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 | |
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External links
- Ikki tsuukan in Japanese Wikipedia
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