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
Suuzuukou
Two-han and above
Open riichi
Isshoku sanjun
Sanfuukou / Otakaze sankou
Uumensai
Renkaihou
Mondeikou
Three-han and above
Open daburu riichi
Ikkitsuukan Chantaiyaochuu
Tanfonhou
Six-han and above
Sansou shanronfui
Mangan
Chinchi dourii
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.
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A non-dealer player wins on a discard at the first round.
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Yakuman
Daichisei
- 「大七星」
- Closed only
- Yakuman, or double yakuman
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The seven pair variant to tsuuiisou. This may count as an independent yakuman pattern. Otherwise, it may be counted as tsuuiisou.
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       Agari:
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Paarenchan
Pouhoi paarenchan
Ishino uenimo sannen
Katen gecchi
Shiisanpuutaa
- 「十三不塔」
- Closed only
- Yakuman
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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.
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        Agari:
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Shiisuupuutaa
- 「十四不塔」
- Closed only
- Yakuman
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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.
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       Agari:
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Suurenkou
- 「四連刻」
- May be open
- Yakuman
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Four consecutive triplets in one suit.
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    Agari:
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Suuchoupaikou
Chunsharin / Chunsuurin / Chunchikurin
Yakumans related to tile color
Kouitten
Benikushaku
Kouiisou
Ryuuiisourin / Kouittenrin
Yakumans related to specific things
Golden Gate Bridge
American Civil War
Nanbokuchou period
Satsuma Rebellion / Seinan War
Touhoku Expressway
Touhoku Shinkansen
Blue Tunnel / Aonodoumon
Yakuman / Double yakuman
Daisharin / Daichikurin / Daisuurin
Shousharin / Shouchikurin / Shousuurin
Suurenkou
Isshouku yonjun
Hyakuman goku
Double yakuman
Chousangen
Daichisei
Junsei ryuuiisou
Triple yakuman
Chousuushi
External links
- Local yaku in Japanese Wikipedia
