Try learning step by step, from the basic rules to defense.You discard tiles on a real board as you learn.
Practice
Try picking against a preemptive .Push-or-fold judgment is not graded.Opponents play their best discards and may chase with a .Survive the hand without a .
Controls
Tap a tile to discard it.You can tap a in the report to see its review.Tap a term to see its meaning.
Tiles
Play
Melds and pairs
Hand building
Waits
Riichi and agari
Defense
Suited tile
Suited tile
A tile numbered 1 to 9. It comes in three suits: , , and .
Honor
Honor
A tile with no number. There are four and three .
Man
Man
One of the three suits of . It has nine kinds, from 1-man to 9-man.
Pin
Pin
One of the three suits of . It has nine kinds, from 1-pin to 9-pin.
Sou
Sou
One of the three suits of . It has nine kinds, from 1-sou to 9-sou.
Winds
Winds
One of the two kinds of . There are four: East, South, West, and North.
Dragons
Dragons
One of the two kinds of . There are three: White, Green, and Red.
Shimocha
The player to your right.
Toimen
The player across from you.
Kamicha
The player to your left.
Oya
The seat that plays first in each hand. Its is worth 1.5 times the points.
Ko
The three seats other than the .
Hand
The tiles a player holds. Every player starts with 13.
Wall
The stack of tiles left after each player’s is dealt. Players draw from it one tile at a time.
Draw
The end of a hand when nobody reaches an before the runs out.
Turn
A unit counting one lap of the table, in which each of the four players plays once.
Discard
A tile a player has thrown away and placed in front of their seat.
Dora
Dora indicator
→
Dora
A bonus tile that raises the score of an . It is the tile after the .
Dora indicator
Dora indicator
→
Dora
A face-up tile that marks the . The tile after it becomes the dora.
Agari
Meld
Meld
Meld
Meld
Pair
Completing your hand with four and one . It is either a or a .
Meld
Sequence
Triplet
A set of three tiles. It is either a or a .
Sequence
Sequence
A meld of three consecutive tiles in the same suit.
Triplet
Triplet
A meld of three identical tiles.
Pair
Pair
Two identical tiles grouped together. A complete hand always has exactly one.
Tenpai
Meld
Meld
Meld
Toitsu
Toitsu
→
Wait
The state of being one tile away from an .
Hand building
The process of drawing and discarding to shape your hand toward an .
Taatsu
Taatsu
→
Ukeire
Two tiles that become a with one more tile.
Toitsu
Toitsu
→
Ukeire
A shape of two identical tiles. One more copy makes it a , or it can serve as the as it is.
Ukeire
Taatsu
→
Ukeire
Tiles that bring your hand closer to an . Both kinds and copies are counted.
Shanten
Shanten
→
Ukeire
The number of tiles still needed to reach . A hand that needs one is 1-shanten.
Block
Meld
Taatsu
Toitsu
A general term for a , , or .
Five-block theory
Block
Block
Block
Block
Block
A method of splitting your hand into five for .
Isolated tile
Block
Block
Block
Block
Isolated tile
Isolated tile
A tile that belongs to no .
Menzen
Building your hand from your own draws, without making melds from other players’ discards.
Wait
Tenpai
→
Wait
A tile that turns a hand into an . The shape waiting on it is also called a wait.
Ryanmen
Ryanmen
→
Wait
A shape of two consecutive suited tiles waiting on either end.
Kanchan
Kanchan
→
Wait
A shape of two suited tiles with a one-tile gap, waiting on the tile in between.
Penchan
Penchan
→
Wait
A shape like 1-2 or 8-9 that is cut off at one end and waits only on the other.
Tanki
Tanki
→
Wait
A shape of a single tile waiting on its match to form the .
Shanpon
Shanpon
→
Wait
A shape of two waiting on a third copy of either. The one completed becomes a , and the other stays as the .
Riichi
Discard
Declaration tile
A declaration that you are in . Once declared, the hand can no longer be changed.
Declaration tile
Discard
Declaration tile
The tile discarded to declare . It is placed sideways.
Tsumogiri
→
The act of discarding the tile you just drew.
Tsumo
Ryanmen
Tsumo
An on a tile you drew yourself. The other three players share the payment.
Ron
An on a tile another player discarded.
Deal-in
Another player’s on your discard. You alone pay all the points.
Furiten
The state of being unable to after discarding or passing up one of your own . If you pass one up after , it lasts for the rest of the hand.
Betaori
Riichi
→
Genbutsu
A defense that gives up on and focuses only on avoiding a .
Safe tile
A tile that cannot any player.
Genbutsu
Discard
Declaration tile
→
Genbutsu
A tile the player has already discarded. A tile that player passes up for after the riichi is genbutsu too.
Suji
Suji
Genbutsu
Suji
A tile three ranks away from a tile. 147, 258, and 369 are suji to each other.
Naka-suji
Genbutsu
Naka-suji
Genbutsu
A 4, 5, or 6 whose on both sides are .
Kata-suji
Genbutsu
Kata-suji
A 4, 5, or 6 whose is on one side only.
Kabe
Kabe
A tile whose four copies are all . Every and using it is blocked.
Dangerous tile
Dangerous tile
Dangerous tile
A that is neither nor and is not blocked by a .
Visible tile
Visible tile
A tile you can see face up from your seat. The discards, your hand, and the all count.
Chase riichi
Riichi
Riichi
→
Genbutsu
A riichi declared while another player is already in .