Sankantsu
Sankantsu (三槓子) is a standard yaku. This yaku requires kan to be called three times by one player. Due to this requirement, this yaku is actually the most difficult of the regular yaku. Within Tenhou.net, the yaku actually occurs less frequently than some yakuman.
| Type | Yaku |
|---|---|
| Kanji | 三槓子 |
| English | Three kans |
| Value | 2 han |
| Speed | Very slow |
| Difficulty | Very hard |
Tile pattern
Formation
Of all the standard yaku, sankantsu is the most difficult. Its rate of occurrence rivals that of some yakuman.
Value
This yaku is set at 2 han. However, the number of kans significantly increases the hand's value. Generally, a fu count of 60 or more is the equivalent of increasing the han count by 1, in terms of scoring.