Local yaku/extensions

Main article: Local yaku

The extension of the page focuses on giving quick lookup of local yaku definition. The terms may be used anywhere else. Due to the large variety of local yaku, many of them may have limited usage, and can be updated in the future.

List of yaku

Chinchii toushii

Chinchii toushii 「金鶏奪食」 (lit. golden rooster steals food) is a chankan hand mixed with ketsupaihou. ^[1]^[2]^[3]

Value: 4 han
Example: , Chankan ron:

Rentsuu honitsu

Rentsuu honitsu 「連字混一色」(lit. connected honor half flush) is a special honitsu hand, with sangenpai maching the suit. Originally, in the Tokyo rules, pinzu goes with hatsu, souzu goes with haku and manzu goes with chun, ^[1] though variations exist. A yakuhai of the dragons may or may not be required, depending on the ruleset.

Value: 4 han or haneman/baiman (adjusted for modern scoring rules)
Examples:

Dorahairi chinroutou chiitoitsu

Dorahairi chinroutou chiitoitsu 「ドラ入り清老頭七対子」 (lit. all terminals seven pairs with dora) is a chiitoitsu hand with a pair of each of the terminals and dora. ^[1]

Value: Haneman/baiman (adjusted for modern scoring rules)
Example: , when the dora is
Trivia:
- Dorahairi chinroutou chiitoitsu is included in the 1957 Tokyo rules, with no other usage known.

Mondeikou

Mondeikou 「門泥公」 is only used in a ruleset with 4 akadora. When a hand has all four akadora, this yaku is scored.

Value:
- 2 han (may decrease to 1 han when opened); or
- Minus 4 han, which cancels out akadora's 4 han.
Example:

Suuchoupaikou

Suuchoupaikou 「四跳牌刻」 is a hand with four triplets (or quads) in one suit where their numbers are increased by 2.

This yaku is a less common variant of suurenkou.

Value: Usually yakuman
Example:

The rule of sekinin barai can be applied in this yakuman hand.

, last: , formers:

Shimocha becomes liable for feeding the last required set: souzu of 3.

Pouhoi paarenchan

Only used alongside paarenchan. If a non-dealer breaks opponent's dealership successfully at the round the dealer can achieve paarenchan, Pouhoi paarenchan 「破回八連荘」 (lit. Destroyed eighth-dealership) is achieved. The non-dealer winner will automatically scored a yakuman.