Reference

Tiles, turns, and winning rules

Review draws, discards, calls, Riichi, furiten, and exhaustive draws at any time.

Mahjong reference

Basics of turns and winning

Open it only when you need to check something.

Move record and board coordinates

Standard human-readable notation

Move record and coordinates Tile-hand and meld notation Five Characters, Nine Bamboo, East

Code for storage and integration mpsz 5m 9s 1z

Use m for Characters, p for Circles, s for Bamboo, and z for honor tiles.

Visual reference

Catalog of 34 Mahjong tile types

The basic set has four of each of 34 tile types, for 136 tiles total: three numbered suits and honor tiles.

34 types · 136 tiles

Characters

1–9 · four of each

1Characters Characters number tile

2Characters Characters number tile

3Characters Characters number tile

4Characters Characters number tile

5Characters Characters number tile

6Characters Characters number tile

7Characters Characters number tile

8Characters Characters number tile

9Characters Characters number tile

Dots

1–9 · four of each

1Dots Dots number tile

2Dots Dots number tile

3Dots Dots number tile

4Dots Dots number tile

5Dots Dots number tile

6Dots Dots number tile

7Dots Dots number tile

8Dots Dots number tile

9Dots Dots number tile

Bamboos

1–9 · four of each

1Bamboos Bamboos number tile

2Bamboos Bamboos number tile

3Bamboos Bamboos number tile

4Bamboos Bamboos number tile

5Bamboos Bamboos number tile

6Bamboos Bamboos number tile

7Bamboos Bamboos number tile

8Bamboos Bamboos number tile

9Bamboos Bamboos number tile

Wind tiles

4 types · four of each

East East Wind

South South Wind

West West Wind

North North Wind

Dragon tiles

3 types · four of each

White White Dragon

Green Dragon Green Dragon

Red Dragon Red Dragon

Draw

Draw one tile from the wall Begin your turn by drawing one tile.

Discard

Discard one unwanted tile Choose one tile from your hand and discard it to the river.

Meld

A set of three tiles Build groups such as sequences, triplets, and quads.

Pair

Two identical tiles The standard hand structure is four melds and one pair.

Ron / Tsumo

Win with a valid yaku You need a yaku, not just a complete hand shape.

Repeat drawing and discarding Four melds and one pair is the standard shape A winning hand needs a yaku Calling tiles speeds up the hand but adds restrictions Watch out for furiten

Turn flow

On your turn, draw one tile from the wall and discard one tile from your hand.
You may be able to use another player's discard for Chi / Pon / Kan.

Winning

The standard goal is to form four melds and one pair.
You cannot win without a yaku. Start by learning honor-tile yaku, Riichi, and Tanyao.

Mahjong

Learning

CMS managed tracks

Learning Rules

Melds, Yaku, Calls, and Furiten

Learn Melds and Pairs, Basic Yaku, Calls, and Furiten

2Modules 11Items

Mahjong Basics Beginner / 5min

Draw and discard tiles to build a valid 14-tile shape with a yaku and compete for points.

Article Complete Yaku and Hand Shapes to Score the Most Points
Pattern Build a valid hand and yaku with 14 tiles
Move sequence Draw one, discard one
Pattern Call an Opponent's Discard to Build the Hand
Multiple choice Win from tenpai
Multiple choice The Player with the Most Points Wins

Practical tutorial Beginner / 7min

Connect yaku, scoring, defense, and situational judgment to read an entire hand of riichi mahjong.

Article Compare speed to victory, scoring power, and safety
Article Organize Yaku by Closed Hand, Open Hand, and Han Value
Article Fu, Han, Mangan, and Dealer vs. Non-Dealer Scores
Article From Known Safe Tiles to Suji, Walls, and One-Chance Reads
Article Change your judgment based on position, round, dealer, and turn count

Mahjong

Mahjong Basics

Beginner

Practice the basic controls right here

Choose a step in the inline tutorial below to review the flow.

Tile flow and basic hand structure

Open it only when you need to check something.

Next step

Choose after the tutorial

Once you are comfortable moving pieces, review anything that was unclear or practice your decisions with a short problem.

Learn: Your first three minutes Briefly review the objective of Mahjong and the first action to take. Web tutorial Learning: Rules quick reference Review how to move, capture, and win on one screen whenever you are uncertain. CMS guide Training: Short problems After reviewing the basics, reinforce your decision-making with short problems. Practice before a match Mastery: Maxims and competitive philosophy Read about strategy, whole-board vision, decisions, and competitive philosophy unique to Mahjong in a practical guide. Reading