All Riichi Yaku

Riichi Mahjong Yaku

Half Outside Hand

Also known as: Chanta · Mixed Outside Hand · 混全帯么九

Every group and the pair contains a terminal or honor, with at least one sequence and at least one honor.

Yaku value

Closed hand

2 Han

Open hand

1 Han

Requirements

Each meld and the pair must include a terminal or honor. The hand must contain both a sequence and an honor tile.

Half Outside Hand Mahjong hand example

Common scoring mistake

A hand without honors may be Fully Outside Hand instead. A hand without a sequence may score as All Terminals and Honors.

Values follow common modern Riichi rules. Local and tournament rules may differ, especially for double Yakuman.

Check a hand