Yaku List

Complete list of winning hands in Riichi Mahjong

Situational Yaku

Riichi

1 han (closed only)
Very Common
Rules: WRC | JPML | M | MJ

Declare riichi with a ready hand and 1000 point bet

Double Riichi

2 han (closed only)
Uncommon
Rules: WRC | JPML | M | MJ

Declare riichi on your first turn before any calls

Ippatsu

1 han (closed only)
Common
Rules: WRC | M | MJ

Win within one turn of declaring riichi without any calls

Tsumo

1 han (closed only)
Very Common
Rules: WRC | JPML | M | MJ

Win by self-draw with a closed hand

Haitei

1 han
Uncommon
Rules: WRC | JPML | M | MJ

Win by self-draw on the last tile from the wall

Houtei

1 han
Uncommon
Rules: WRC | JPML | M | MJ

Win by ron on the last discarded tile

Rinshan

1 han
Uncommon
Rules: WRC | JPML | M | MJ

Win on the replacement tile after declaring kan

Chankan

1 han
Rare
Rules: WRC | JPML | M | MJ

Win by robbing another player's added kan

Renhou

5 han (closed only)
Very Rare
Rules: WRC

Win by ron on first turn before your first draw (WRC only)

1-Han Yaku

Tanyao

1 han
Very Common
Rules: WRC | JPML | M | MJ

All tiles are simples (2-8), no terminals or honors

m2
m3
m4
p5
p6
p7
s3
s3
s3
s6
s7
s8
m5
m5

Pinfu

1 han (closed only)
Very Common
Rules: WRC | JPML | M | MJ

All sequences, no-value pair, two-sided wait (closed only)

m1
m2
m3
m4
m5
m6
p3
p4
p5
s6
s7
s8
s2
s2

Iipeikou

1 han (closed only)
Common
Rules: WRC | JPML | M | MJ

Two identical sequences in the same suit (closed only)

m2
m3
m4
m2
m3
m4
p5
p6
p7
s7
s8
s9
z2
z2

Yakuhai (Haku)

1 han
Very Common
Rules: WRC | JPML | M | MJ

Triplet of white dragon (Haku)

z5
z5
z5
(triplet of Haku)

Yakuhai (Hatsu)

1 han
Very Common
Rules: WRC | JPML | M | MJ

Triplet of green dragon (Hatsu)

z6
z6
z6
(triplet of Hatsu)

Yakuhai (Chun)

1 han
Very Common
Rules: WRC | JPML | M | MJ

Triplet of red dragon (Chun)

z7
z7
z7
(triplet of Chun)

Yakuhai (Jikaze)

1 han
Very Common
Rules: WRC | JPML | M | MJ

Triplet of your seat wind

z1
z1
z1
(e.g., East when you are East)

Yakuhai (Bakaze)

1 han
Very Common
Rules: WRC | JPML | M | MJ

Triplet of the prevailing round wind

z1
z1
z1
(e.g., East during East round)

2-Han Yaku

Chiitoitsu

2 han (closed only)
Occasional
Rules: WRC | JPML | M | MJ

Seven different pairs (closed only, fixed 25 fu)

m1
m1
m4
m4
p2
p2
p7
p7
s3
s3
s9
s9
z5
z5

Toitoi

2 han
Common
Rules: WRC | JPML | M | MJ

All four groups are triplets (no sequences)

m1
m1
m1
p5
p5
p5
s3
s3
s3
z7
z7
z7
z1
z1

Sanankou

2 han
Uncommon
Rules: WRC | JPML | M | MJ

Three concealed triplets in hand

m3
m3
m3
p7
p7
p7
s9
s9
s9
(3 concealed triplets)

Sanshoku Doujun

2/1 han
Common
Rules: WRC | JPML | M | MJ

Same sequence in all three suits (123m 123p 123s)

m1
m2
m3
p1
p2
p3
s1
s2
s3

Sanshoku Doukou

2 han
Rare
Rules: WRC | JPML | M | MJ

Same triplet in all three suits (555m 555p 555s)

m5
m5
m5
p5
p5
p5
s5
s5
s5

Ittsu

2/1 han
Occasional
Rules: WRC | JPML | M | MJ

Straight of 1-9 in one suit (123, 456, 789)

m1
m2
m3
m4
m5
m6
m7
m8
m9

Chanta

2/1 han
Occasional
Rules: WRC | JPML | M | MJ

All groups contain terminals or honors

m1
m2
m3
p7
p8
p9
s9
s9
s9
z1
z1
z1
m1
m1

Sankantsu

2 han
Very Rare
Rules: WRC | JPML | M | MJ

Three kan declarations

m1
m1
m1
m1
p5
p5
p5
p5
z1
z1
z1
z1

Shousangen

2 han
Uncommon
Rules: WRC | JPML | M | MJ

Two dragon triplets and one dragon pair

z5
z5
z5
z6
z6
z6
z7
z7

Honroutou

2 han
Rare
Rules: WRC | JPML | M | MJ

Only terminals and honors (with Toitoi or Chiitoitsu)

m1
m1
m1
p9
p9
p9
s1
s1
s1
z5
z5
z5
z1
z1

3-Han Yaku

Ryanpeikou

3 han (closed only)
Rare
Rules: WRC | JPML | M | MJ

Two sets of identical sequences (closed only)

m2
m3
m4
m2
m3
m4
p5
p6
p7
p5
p6
p7
s3
s3

Junchan

3/2 han
Uncommon
Rules: WRC | JPML | M | MJ

All groups contain terminals only (no honors)

m1
m2
m3
p7
p8
p9
s1
s1
s1
s7
s8
s9
m9
m9

Honitsu

3/2 han
Common
Rules: WRC | JPML | M | MJ

All tiles are one suit plus honors

m1
m2
m3
m4
m5
m6
m7
m7
m7
z5
z5
z5
m9
m9

6-Han Yaku

Chinitsu

6/5 han
Uncommon
Rules: WRC | JPML | M | MJ

All tiles are one suit only (no honors)

m1
m2
m3
m3
m4
m5
m5
m6
m7
m7
m8
m9
m2
m2

Yakuman

Kokushi Musou

Yakuman
Rare
Rules: WRC | JPML | M | MJ

One of each terminal and honor, plus one duplicate

m1
m9
p1
p9
s1
s9
z1
z2
z3
z4
z5
z6
z7
z1

Suuankou

Yakuman
Rare
Rules: WRC | JPML | M | MJ

Four concealed triplets (tsumo only)

m2
m2
m2
p5
p5
p5
s8
s8
s8
z3
z3
z3
m7
m7

Daisangen

Yakuman
Rare
Rules: WRC | JPML | M | MJ

Triplets of all three dragons

z5
z5
z5
z6
z6
z6
z7
z7
z7

Shousuushii

Yakuman
Very Rare
Rules: WRC | JPML | M | MJ

Three wind triplets and one wind pair

z1
z1
z1
z2
z2
z2
z3
z3
z3
z4
z4

Daisuushii

Yakuman
Very Rare
Rules: WRC | JPML | M | MJ

Four wind triplets

z1
z1
z1
z2
z2
z2
z3
z3
z3
z4
z4
z4

Tsuuiisou

Yakuman
Very Rare
Rules: WRC | JPML | M | MJ

All tiles are honors only

z1
z1
z1
z2
z2
z2
z5
z5
z5
z7
z7
z7
z6
z6

Chinroutou

Yakuman
Very Rare
Rules: WRC | JPML | M | MJ

All tiles are terminals only (1s and 9s)

m1
m1
m1
m9
m9
m9
p1
p1
p1
s9
s9
s9
s1
s1

Ryuuiisou

Yakuman
Very Rare
Rules: WRC | JPML | M | MJ

All tiles are green (2, 3, 4, 6, 8 sou and Hatsu)

s2
s3
s4
s2
s3
s4
s6
s6
s6
s8
s8
s8
z6
z6

Chuuren Poutou

Yakuman
Very Rare
Rules: WRC | JPML | M | MJ

1112345678999 plus any tile in one suit (closed only)

m1
m1
m1
m2
m3
m4
m5
m6
m7
m8
m9
m9
m9
m5

Suukantsu

Yakuman
Very Rare
Rules: WRC | JPML | M | MJ

Four kan declarations

m1
m1
m1
m1
p5
p5
p5
p5
s9
s9
s9
s9
z1
z1
z1
z1

Yakuman (Situational)

Tenhou

Yakuman
Very Rare
Rules: WRC | JPML | M | MJ

Dealer wins on first draw (yakuman)

Dealer wins on first draw

Chiihou

Yakuman
Very Rare
Rules: WRC | JPML | M | MJ

Non-dealer wins on first draw (yakuman)

Non-dealer wins on first draw
Practice ScoringTest with random hands