← All yakuIipeikou (一盃口)1 hanTwo identical chows in the same suit. Closed hands only.Example winning handWinning tile: 5z▶ Try this hand in the calculatorOpen Riichi calculator →Other 1-han yakuRiichi (立直)1 hanPinfu (平和)1 hanTanyao (断幺九)1 hanYakuhai (役牌)1 han
