Mahjong Hand

Riichi: Declaration & Reach

Riichiranking

What is riichi?

Riichi is declared on closed tenpai: you place a 1000-point stick and lock the hand. You gain one han and unlock ura dora if you win. You may no longer open melds after declaring.

Riichi declaration sample

234 Man
2 Man
3 Man
4 Man
456 Pin
4 Pin
5 Pin
6 Pin
789 Sou
7 Sou
8 Sou
9 Sou
345 Pin
3 Pin
4 Pin
5 Pin
Pair
2 Pin
Edit in hand generator →View pattern page →Open storyboard →

When to declare

Declare when the hand is closed, tenpai, and the extra han plus table pressure outweighs staying silent for a bigger yaku. False riichi (not actually tenpai) is a serious penalty in real play — verify waits before teaching examples.

Open this hand in the generator or try a storyboard sequence.