Yaku Reference

Declare riichi when your closed hand is one tile away from winning, wagering 1000 points for a chance at bonus rewards.

Win within one turn cycle after declaring riichi, before any player makes an open call.

Win by self-drawing your winning tile while your hand is completely closed.

Build your entire hand using only simple tiles numbered 2 through 8, with no terminals or honor tiles.

A closed hand made entirely of sequences with a valueless pair and a two-sided wait, earning no minipoints from the hand structure.

Your closed hand contains two completely identical sequences in the same suit.

Complete a triplet (or quad) of white dragon tiles to score this straightforward 1-han yaku.

Complete a triplet (or quad) of green dragon tiles to score this reliable 1-han yaku.

Complete a triplet (or quad) of red dragon tiles to score this dependable 1-han yaku.

Complete a triplet (or quad) of the wind tile matching your current seat position.

Complete a triplet (or quad) of the wind tile matching the current round wind.

Win by self-drawing the very last tile from the wall before the hand ends in a draw.

Win by claiming the very last discard of the hand before the game ends in a draw.

Win on the replacement tile drawn from the dead wall after declaring a kan.

Win by claiming the tile another player uses to upgrade an open triplet into a kan.

Declare riichi on your very first turn before any player has made an open call, earning double the usual riichi bonus.

Complete the same numerical sequence in all three suits.

Complete a full straight of 1 through 9 in a single suit using three sequential melds.

Every meld and the pair must contain at least one terminal (1 or 9) or honor tile.

The hand consists of seven different pairs.

The hand contains three concealed triplets (formed without calling pon).

The entire hand is composed of triplets (or quads) with no sequences.

The entire hand consists of only terminal tiles (1s and 9s) and honor tiles.

The hand contains two dragon triplets and a pair of the third dragon.

The hand contains three declared kans (quads).

The hand contains the same numbered triplet in all three suits.

The hand contains tiles from only one suit plus honor tiles.

Every meld and the pair must contain a terminal tile (1 or 9), with no honor tiles in the hand.

The hand contains two separate sets of identical sequences (two iipeiko patterns).

Build your entire hand from tiles of a single suit with no honor tiles.

Score a mangan at exhaustive draw when all of your discards are terminals and honors and none were called by other players.

Collect one of each terminal and honor tile -- all thirteen unique orphans -- plus one duplicate to complete the pair.

Complete a hand with four concealed triplets (or quads) that were all formed without calling from other players.

Collect triplets of all three dragon tiles -- haku, hatsu, and chun -- in a single hand.

Collect triplets of three different wind tiles and use the fourth wind as your pair.

Collect triplets of all four wind tiles -- East, South, West, and North -- in a single hand.

Build your entire hand using only honor tiles -- winds and dragons -- with no suited number tiles at all.

Build your entire hand using only terminal tiles (1s and 9s) with no honor tiles or middle tiles.

Build your entire hand using only the green tiles: 2s, 3s, 4s, 6s, 8s in bamboo and the green dragon (hatsu).

Form the pattern 1-1-1-2-3-4-5-6-7-8-9-9-9 in one suit plus any extra tile of that same suit.

Declare four kans in a single hand -- the rarest yakuman achievable through play.

As the dealer, win instantly with a complete hand on your initial 14-tile deal before any draws or discards.

As a non-dealer, win on your very first self-draw before any calls have been made by any player.