1 han · closed only
Iipeikou
Pure double sequence. Two identical sequences in the same suit.
Closed1 hanOpenNot allowedHow oftenUncommon
How Iipeikou works
The hand contains the same run twice, like 2-3-4 man and 2-3-4 man, and is fully closed.
Example hand
Hand
Ron
Iipeikou 11 han 40 fu · 1,300non-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
- Lost if you call anything.
- Two pairs of identical sequences is ryanpeikou (3 han) instead.
Quick answers
How many han is Iipeikou?
Iipeikou is worth 1 han and needs a closed hand.
Can Iipeikou be open?
No. Iipeikou only counts with a closed hand: no chi, pon or open kan.
How common is Iipeikou?
Uncommon. Two identical sequences in the same suit.