Riichi Yaku Reference

Declared a closed-hand tenpai by betting 1000 points.

All chows + non-yakuhai pair + two-sided wait + closed hand.

All simples — no terminals or honors anywhere in the hand.

Two identical chows in the same suit. Closed hands only.

A triplet of dragons, your seat wind, or the round wind.

Win within one turn after declaring riichi without any calls.

Self-draw on a closed hand.

Self-draw the very last tile of the wall.

Win on the final discard of the round.

Win on the replacement tile drawn after declaring a kan.

Win by claiming a tile someone added to make a kan.

Riichi declared on your first uninterrupted draw.

Seven different pairs.

Three triplets of the same rank in each of the three suits.

Three identical chows in each of the three suits.

1-2-3 + 4-5-6 + 7-8-9 chows all in the same suit.

All triplets (no chows).

Three concealed triplets.

Two dragon triplets + dragon pair.

All tiles are one suit + honors.

Every set contains a terminal — no honors.

Two pairs of identical chows. Closed hands only.

All tiles are a single suit.

Thirteen orphans — one of each terminal and honor, plus a pair.

Four concealed triplets.

Three dragon triplets.

Three wind triplets + a wind pair.

Four wind triplets.

All honors.

All terminals.

All-green — only 2,3,4,6,8s and 6z.

1112345678999 of one suit, plus any tile of that suit.