← All yakuIttsu (一気通貫)2 han1-2-3 + 4-5-6 + 7-8-9 chows all in the same suit.Example winning handWinning tile: 5s▶ Try this hand in the calculatorOpen Riichi calculator →Other 2-han yakuDouble Riichi (両立直)2 hanChiitoitsu (七対子)2 hanSanshoku Doukou (三色同刻)2 hanSanshoku Doujun (三色同順)2 han
