Yaku List
Complete list of winning hands in Riichi Mahjong
Situational Yaku
Riichi
1 han (closed only)Declare riichi with a ready hand and 1000 point bet
Double Riichi
2 han (closed only)Declare riichi on your first turn before any calls
Ippatsu
1 han (closed only)Win within one turn of declaring riichi without any calls
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
5 han (closed only)Win by ron on first turn before your first draw (WRC only)
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 white dragon (Haku)
Yakuhai (Hatsu)
1 hanTriplet of green dragon (Hatsu)
Yakuhai (Chun)
1 hanTriplet of red dragon (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 groups contain terminals or honors
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 groups contain terminals only (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
Suuankou
YakumanFour concealed triplets (tsumo only)
Daisangen
YakumanTriplets of all three dragons
Shousuushii
YakumanThree wind triplets and one wind pair
Daisuushii
YakumanFour wind triplets
Tsuuiisou
YakumanAll tiles are honors only
Chinroutou
YakumanAll tiles are terminals only (1s and 9s)
Ryuuiisou
YakumanAll tiles are green (2, 3, 4, 6, 8 sou and Hatsu)
Chuuren Poutou
Yakuman1112345678999 plus any tile in one suit (closed only)
Suukantsu
YakumanFour kan declarations
Yakuman (Situational)
Tenhou
YakumanDealer wins on first draw (yakuman)
Chiihou
YakumanNon-dealer wins on first draw (yakuman)