← All yakuPinfu (平和)1 hanAll chows + non-yakuhai pair + two-sided wait + closed hand.Example winning handWinning tile: 9m▶ Try this hand in the calculatorOpen Riichi calculator →Other 1-han yakuRiichi (立直)1 hanTanyao (断幺九)1 hanIipeikou (一盃口)1 hanYakuhai (役牌)1 han