← All yakuTanyao (断幺九)1 hanAll simples — no terminals or honors anywhere in the hand.Example winning handWinning tile: 5m▶ Try this hand in the calculatorOpen Riichi calculator →Other 1-han yakuRiichi (立直)1 hanPinfu (平和)1 hanIipeikou (一盃口)1 hanYakuhai (役牌)1 han