Yakuman · closed only
Kokushi Musou
Thirteen orphans. One of every terminal and honor, plus one more of any of them.
Pays32,000dealer 48,000Open handNot allowedHow oftenVery rare
How Kokushi Musou works
The hand holds each of the 13 terminal and honor tiles (1 and 9 of each suit, four winds, three dragons), with one of them doubled as the pair.
Example hand
Hand












Ron
Kokushi Musou yakumanYakuman · 32,000non-dealer ron
Scored by the same engine that runs the game: seat South, round East, no dora. Try your own in the hand calculator.
Good to know
- If you held all 13 singles and could win on any of them (a 13-sided wait), it's a double yakuman.
- The only hand that can rob a closed kan.
- Usually only worth trying when your starting hand has 9 or more different terminals and honors.
Quick answers
How much is Kokushi Musou worth?
Kokushi Musou is a yakuman. It pays 32,000 points to a non-dealer and 48,000 to the dealer, before honba.
Can Kokushi Musou be open?
No. Kokushi Musou only counts with a closed hand: no chi, pon or open kan.
How common is Kokushi Musou?
Very rare. One of every terminal and honor, plus one more of any of them.