Sanshoku doukou: Difference between revisions
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'''Sanshoku doukou''' {{kana|三色同刻}} is a standard yaku. It is scored when the hand has [[triplet]]s (and/or [[kan]]s) of the same | '''Sanshoku doukou''' {{kana|三色同刻}} is a standard yaku. It is scored when the hand has [[triplet]]s (and/or [[kan]]s) of the same numbered tile in all three [[Japanese mahjong#Mahjong tiles|suits]]. Whether open or closed, this yaku remains at 2 han. | ||
==Tile pattern cases== | ==Tile pattern cases== | ||
Revision as of 05:22, 15 June 2024
| Type | Yaku |
|---|---|
| Kanji | 三色同刻 |
| English | Three colored triplets |
| Value | 2 han |
| Speed | Very slow |
| Difficulty | Very hard |
Sanshoku doukou 「三色同刻」 is a standard yaku. It is scored when the hand has triplets (and/or kans) of the same numbered tile in all three suits. Whether open or closed, this yaku remains at 2 han.
Tile pattern cases
For this sanshoku doukou there are cases where the yaku is guaranteed and cases where it is not.
Case where sanshoku doukou is guaranteed
Agari: 
or 
Here, all three triplets of number three are already on the hand, and sanshoku doukou is guaranteed for both tiles waited on.
Case where sanshoku doukou is not guaranteed
Agari:
Note: This hand is also waiting for , but that would not give sanshoku doukou.
Agari:
Note: This hand is also waiting for , but that would not give sanshoku doukou.
Formation
This yaku is fairly difficult to complete. For every number across the three different suits, there are only 12 tiles. A sanshoku douko hand has to have 9 of the 12 tiles of one number. The 3 tiles of that number not in the hand has to be one of each suit, which yields pretty bad odds.
Compatibility
^ 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 | |
| SDO |  |
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Sanshoku doukou requires three of the four tile groups to be triplets. Thus, it is incompatible with any yaku that requires more than one sequence, including iipeikou, ittsuu, sanshoku doujun, and ryanpeikou. There also isn't enough room for shousangen's two dragon triplets. Finally, pinfu and chiitoitsu forbid triplets.
External links
- Sanshoku doukou in Japanese Wikipedia
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