Kokushi musou: Difference between revisions
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'''Kokushi musou''' | '''Kokushi musou''' {{kana|国士無双}}, also simply known as '''kokushi''', is one of the standard [[List of yaku#Yakuman|yakuman]] hands. This hand consists of one of each terminal tile from each suit and one of each honor tiles. The 14th tile must be a duplicate of any terminal or honor tile. If a player draws the thirteen different tile types before pairing any of them, then the hand is of the [[Machi|13 wait variety]], '''junsei kokushi musou''' {{kana|国士無双１３面待ち}}. This hand is one of the two exceptions of the "four melds and one pair" rule of forming a hand, where the other exception is the [[chii toitsu]]. This hand is closed only. | ||
==Tile diagram== | ==Tile diagram== | ||
Revision as of 05:57, 6 July 2014
| Type | Yakuman |
|---|---|
| Kanji |
国士無双 国士無双１３面待ち |
| English | Thirteen orphans |
| Value | Yakuman (closed only) |
| Speed | Slow |
| Difficulty | Hard |
Kokushi musou 「国士無双」, also simply known as kokushi, is one of the standard yakuman hands. This hand consists of one of each terminal tile from each suit and one of each honor tiles. The 14th tile must be a duplicate of any terminal or honor tile. If a player draws the thirteen different tile types before pairing any of them, then the hand is of the 13 wait variety, junsei kokushi musou 「国士無双１３面待ち」. This hand is one of the two exceptions of the "four melds and one pair" rule of forming a hand, where the other exception is the chii toitsu. This hand is closed only.
Tile diagram
Kokushi musou single wait
Winning tile: 
Kokushi musou 13-way wait
Winning tile: Any one of the tiles shown here
- Winning from this wait is worth two yakuman in some rules.
Meaning and usage
The word kokushi can be translated as "distinguished citizen"; the word musou is often translated as "peerless". The word kokushi should not split up and expressed as "Koku shimusou". This is an incorrect spelling.
Development
Restricted as closed only, this hand must draw at least 12 of the 13 tile types, among the honors and terminals. If a pair exists within the hand upon tenpai, then naturally, the hand is waiting on the last remaining tile type not yet in the hand. In turn, this hand will be deemed impossible for completion, when all 4 of any of the tile types are no longer available. Yet, if a player manages to develop the 13 wait variety, then this hand greatly increases its chances of completion, needing to simply pair any of the 13 types.
Reasonable development of this hand begins with a dealt set of tiles that gives a player the option to call kyuushuu kyuuhai. Declining this option puts the hand on the path to form this yakuman.
Kyuushuu kyuuhai
Realistic chances to complete kokushi musou may require a hand to begin with at least 9 yaochuhai. Even so, at this point, this gives a player the option to defer and abort the hand, rather than trying for kokushi.
Attempting kokushi
Value
This hand is a yakuman hand. Some rules may apply double yakuman for the 13-wait variety.
| Han/Fu | Ron | Han/Fu | Tsumo | ||
|---|---|---|---|---|---|
| Non-dealer | Dealer | Non-dealer | Dealer | ||
| Single tile wait | Single tile wait | ||||
| Yakuman | 32000 | 48000 | Yakuman | 8000/16000 | 16000 all |
| If Kokushi 13 is double | If Kokushi 13 is double | ||||
| Yakuman 2x | 64000 | 96000 | Yakuman 2x | 16000/32000 | 32000 all |
Chankan rule variation
A kokushi tenpai hand may be awarded a win via chankan, if another player calls an ankan (closed kan) with that particular winning tile. Thus, ron may be declared in that instance. This is the only case where a tile may be taken from an closed kan. However, this particular rule may be subject to variation, which may or may not allow the play to occur.
External links
- Kokushi musou in Japanese Wikipedia
- Osamuko.com entry on Kokushi
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