Yaku list
Complete list of yaku in Riichi Mahjong
Situational yaku
Riichi
1 han (closed only)Declare riichi with a closed ready hand and a 1,000-point deposit
Double Riichi
2 han (closed only)Declare riichi on your first turn before any calls
Ippatsu
1 han (closed only)Win within one go-around after declaring riichi, with no calls in between
Menzen Tsumo
1 han (closed only)Win by self-draw with a closed hand
Haitei
1 hanWin by self-draw on the last tile from the wall
Houtei
1 hanWin by ron on the last discarded tile
Rinshan
1 hanWin on the replacement tile after declaring kan
Chankan
1 hanWin by robbing another player's added kan
Renhou
ManganNon-dealer wins by ron before their first draw, with no calls made before it. WRC only: mangan; does not combine with other yaku or dora (if the hand is worth more without it, that score counts instead)
1-han yaku
Tanyao
1 hanAll tiles are simples (2-8), no terminals or honors
Pinfu
1 han (closed only)All sequences, no-value pair, two-sided wait (closed only)
Iipeikou
1 han (closed only)Two identical sequences in the same suit (closed only)
Yakuhai (Haku)
1 hanTriplet of Haku
Yakuhai (Hatsu)
1 hanTriplet of Hatsu
Yakuhai (Chun)
1 hanTriplet of Chun
Yakuhai (Jikaze)
1 hanTriplet of your seat wind
Yakuhai (Bakaze)
1 hanTriplet of the prevailing round wind
2-han yaku
Chiitoitsu
2 han (closed only)Seven different pairs (closed only, fixed 25 fu)
Toitoi
2 hanAll four groups are triplets (no sequences)
Sanankou
2 hanThree concealed triplets in hand
Sanshoku Doujun
2/1 hanSame sequence in all three suits (123m 123p 123s)
Sanshoku Doukou
2 hanSame triplet in all three suits (555m 555p 555s)
Ittsu
2/1 hanStraight of 1-9 in one suit (123, 456, 789)
Chanta
2/1 hanAll four groups and the pair contain a terminal or honor
Sankantsu
2 hanThree kan declarations
Shousangen
2 hanTwo dragon triplets and one dragon pair
Honroutou
2 hanOnly terminals and honors (with Toitoi or Chiitoitsu)
3-han yaku
Ryanpeikou
3 han (closed only)Two sets of identical sequences (closed only)
Junchan
3/2 hanAll four groups and the pair contain a terminal; no honors
Honitsu
3/2 hanAll tiles are one suit plus honors
6-han yaku
Chinitsu
6/5 hanAll tiles are one suit only (no honors)
Yakuman
Kokushi Musou
YakumanOne of each terminal and honor, plus one duplicate
Kokushi Musou Juusanmen: Kokushi Musou waiting on all 13 terminals and honors. Double yakuman in Mahjong Soul; single yakuman in other rulesets
Suuankou
YakumanFour concealed triplets, won by tsumo or by ron on a pair (tanki) wait
Suuankou Tanki: Four concealed triplets won on a pair (tanki) wait. Double yakuman in Mahjong Soul; single yakuman in other rulesets
Daisangen
YakumanTriplets of all three dragons
Shousuushii
YakumanThree wind triplets and one wind pair
Daisuushii
YakumanFour wind triplets. Double yakuman in Mahjong Soul; single yakuman in other rulesets
Tsuuiisou
YakumanAll tiles are honors
Chinroutou
YakumanAll tiles are terminals (ones and nines)
Ryuuiisou
YakumanAll tiles are green (2-, 3-, 4-, 6- and 8-sou, plus Hatsu)
Chuuren Poutou
Yakuman1112345678999 plus any tile in one suit (closed only)
Junsei Chuuren Poutou: Chuuren Poutou waiting on all nine tiles of the suit. Double yakuman in Mahjong Soul; single yakuman in other rulesets
Suukantsu
YakumanFour kan declarations
Yakuman (situational)
Tenhou
YakumanDealer wins with the initial deal (yakuman)
Chiihou
YakumanNon-dealer wins by tsumo on their first draw, with no calls made before it (yakuman)