Local yaku

Local Yakus 「ローカル役」 are the yaku not used in the standard ruleset of Japanese mahjong. Some of them are used to be in general ruleset before, they are also known as Ancient Yakus 「古役（こやく）」. The list is extensive. This page will only record some of them, which will remain incomplete.

One-han yakus

Tsubame gaeshi

Shiiaru raotai

Kanburi

Sangen chiitoitsu / Suushi chiitoitsu

One-han and above

Uushin tsuukan

Two-han yakus

Sanrenkou

Sanshoku tsuukan

Sanshoku renkou

Kyandonhou

Ryandoukou

Choupaikou / Sujipaikou / Chousankou

Choupaikou 「跳牌刻」 / Sujipaikou 「筋牌刻」 / Chousankou 「頂三刻」 is a hand containing three triplets in identical suit, where the numbers are stepped by 2, 3 or 4 correspondingly.

Value: Both are 2 han in general
Examples:
- , Ron: (Choupaikou) ^{[replay 1]}
- (Sujipaikou)
- (Chousankou)

A variation exists if those triplets are in three different suits: Sanshoku choupaikou 「三色跳牌刻」 / Sanshoku sujipaikou 「三色筋牌刻」 / Sanshoku chousankou 「三色頂三刻」.

Value: 1 or 2 han
Example: (Sanshoku choupaikou)

Suuzuukou

Two-han and above

Open riichi

Isshoku sanjun

Sanfuukou / Otakaze sankou

Uumensai

Uumensai / Uumenchi 「五門斉」 is a yaku of containing all of 5 different suits in a hand: manzu, souzu, pinzu, kazehai and sangenpai.

Value: 2 han, 5 han, or yakuman.
Example: , Tsumo: ^{[replay 2]}

Depending on platforms and rule details, Uumensai may have different values. Generally speaking, 2-han version is the easiest one, while extra restriction is applied if the value is higher, such as:

Menzenchin only.
Cannot be in chiitoitsu-form.
Restricted choices on the pair and mentsus, e.g. Jihai-pair only.
Cannot be stacked with kokushi musou if valued a yakuman.

Renkaihou

Mondeikou

Mondeikou 「門泥公」 is a yaku used in 4 akadora mahjong rules. When a hand contains all four akadoras, Mondeikou is applied.

Value: 2 han (may include kuisagari); or minus 4 han which cancels out akadora's 4 han.
Example: , Agari: or

Three-han and above

Open daburu riichi

Ikkitsuukan Chantaiyaochuu

Tanfonhou

Six-han and above

Sansou shanronfui

Mangan

Kinkei dokuritsu

Kinkei dokuritsu / Chinchi dourii 「金鶏独立」 (lit. A golden cock standing alone) is a four-melded hand waiting for 1-sou's hadaka tanki. Ankans are admitted. Also called Chinchiihou 「金鶏和」.

Value: Usually 5 han
Example: , Agari:

Touchao hanchanshue

Uupin kaihou

Ryansou chankan

Iipin mouyue

Chuupin raoyui

Mangan / Yakuman

Shanron chonchu

Chiishin uushii

Chuenbukao

Mangan / Baiman / Yakuman

Renhou 「人和」 Closed only Varies as yakuman, mangan, 5 han, or etc.	A non-dealer player wins on a discard at the first round.

Yakuman

Daichisei 「大七星」 Closed only Yakuman, or double yakuman	The seven pair variant to tsuuiisou. This may count as an independent yakuman pattern. Otherwise, it may be counted as tsuuiisou.
	Agari:

Paarenchan

Pouhoi paarenchan

Ishino uenimo sannen

Katen gecchi

Shiisanpuutaa 「十三不塔」 Closed only Yakuman	A player is dealt a hand, by which, no two tiles can reasonably form a tile group with a tile draw. For completion, one tile may be paired.
	Agari:

Shiisuupuutaa 「十四不塔」 Closed only Yakuman	A player is dealt a hand, by which, no two tiles can reasonably form a tile group with a tile draw. For completion, no tiles are paired.
	Agari: