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Yaku variations: Difference between revisions
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Different [[yaku]] may be subject to [[rule variations]] | Different [[yaku]] may be subject to [[rule variations]], such as altering the value or conditions of the yaku. A number of yaku are not included by default. | ||
==Chiitoitsu== | ==Chiitoitsu== | ||
{{main|Chiitoitsu}} | {{main|Chiitoitsu}} | ||
Under most | Under most rulesets, chiitoitsu requires 7 unique pairs. | ||
Some house rules may allow duplicate pairs (meaning 4-of-a-kind counts as 2 pairs), but this is not seen in standard play. | |||
==Double riichi== | ==Double riichi== | ||
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Score [[riichi]] as 2 han yaku instead of 1 han if called within the first uninterrupted go-around of a hand. | Score [[riichi]] as 2 han yaku instead of 1 han if called within the first uninterrupted go-around of a hand. | ||
* Ari – Score | * Ari – Score [[double riici]] as 2 han instead of 1 han. | ||
* Nashi – Always score 1 han per riichi declaration. | * Nashi – Always score 1 han per riichi declaration. | ||
==Double yakuman== | ==Double yakuman== | ||
Score each of the listed patterns as a double yakuman. | Score each of the listed patterns as a double yakuman. | ||
* Nashi – All yakuman count as single | * Nashi – All individual yakuman count as single yakuman. | ||
* D – [[Daisuushii]] | * D – [[Daisuushii]]: Daisuushii counts as a double yakuman on its own. | ||
* S – [[Suuankou]] [[tanki]] | * S – [[Suuankou]]: Suuankou on a [[tanki]] wait counts as a double yakuman. | ||
* K – Kokushi musou shiisanmen machi : | * K – [[Kokushi musou]] shiisanmen machi : Kokushi with the thirteen-sided wait on the pair coutns as a double yakuman. | ||
* 9 – Junsei chuuren poutou : | * 9 – Junsei [[chuuren poutou]]: Chuuren with nine-sided wait (1112345678999) counts as a double yakuman. | ||
==Haitei and houtei== | ==Haitei and houtei== | ||
Score the 1-han yaku [[haitei raoyue]] for winning with the last tile from the live wall, or score the 1-han yaku [[houtei raoyui]] for winning on a discard while the live wall is empty. | Score the 1-han yaku [[haitei raoyue]] for winning with the last tile from the live wall, or score the 1-han yaku [[houtei raoyui]] for winning on a discard while the live wall is empty. | ||
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==Haitei and rinshan== | ==Haitei and rinshan== | ||
[[Haitei]] normally requires a draw from the live wall, while [[kan]] draws from the dead wall. This rule, if ari, negates hatei's live wall requirement, allowing haitei and [[rinshan]] to score together. | |||
* Ari – Allow this combination. Used in the 2012 [[EMA]] MCR. | |||
* Ari – Allow this combination. | |||
* Nashi – Do not allow this combination. This is Japanese default. | * Nashi – Do not allow this combination. This is Japanese default. | ||
==Honitsu and Chinitsu== | ==Honitsu and Chinitsu== | ||
Score 1 more han for closed honitsu or chinitsu than open. | |||
* Ari – Closed honitsu is scored 3 han and closed chinitsu is scored 6 han. | * Ari – Closed honitsu is scored 3 han and closed chinitsu is scored 6 han. | ||
* Nashi – Honitsu is always scored 2 han and chinitsu is always scored 5 han, regardless of the hand state. | * Nashi – Honitsu is always scored 2 han and chinitsu is always scored 5 han, regardless of the hand state. | ||
==Ippatsu== | ==Ippatsu== | ||
{{Main|Ippatsu}} | |||
Score an additional han for winning a [[riichi]] declaration within the next go-around. | Score an additional han for winning a [[riichi]] declaration within the next go-around. | ||
* Ari – Score ippatsu as | * Ari – Score ippatsu as a 1-han yaku. | ||
* Nashi – Don't score ippatsu. | * Nashi – Don't score ippatsu. | ||
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{{main|Kokushi musou|Chankan}} | {{main|Kokushi musou|Chankan}} | ||
Allow a hand in tenpai for [[kokushi]] to ron an [[ankan]] through chankan. | |||
* Ari – Allowed | * Ari – Allowed | ||
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==Multiple yakuman== | ==Multiple yakuman== | ||
{{main|Multiple yakuman}} | {{main|Multiple yakuman}} | ||
* Ari – | Allow yakuman to be combined. | ||
* Nashi – | |||
* Ari – Yakuman can be combined. | |||
* Nashi – Yakuman cannot be combined; score only one type of yakuman per hand. | |||
==Optional yaku== | ==Optional yaku== | ||
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===Daisharin=== | ===Daisharin=== | ||
Daisharin is an [[optional yaku]], formed with a hand consisting of 22334455667788, all of the same suit. If disabled, such a hand would be worth at least 10 han. | |||
Daisharin is an [[optional yaku]] | |||
:{{#mjt:2233445566778s}} Agari: {{#mjt:8s}} | :{{#mjt:2233445566778s}} Agari: {{#mjt:8s}} | ||
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===Open riichi=== | ===Open riichi=== | ||
Allow players to declare open riichi instead of a normal riichi. Open riichi is worth 2 han instead of the normal 1 han. The declarer must reveal | Allow players to declare open riichi instead of a normal riichi. Open riichi is worth 2 han instead of the normal 1 han. The declarer must reveal the hand's waits, or the entire hand, at the same time as the declaration. | ||
* Ari – Allow open riichi along with normal riichi. | * Ari – Allow open riichi along with normal riichi. | ||
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Sometimes, directly playing into an open riichi (ron) is penalized by yakuman value. | Sometimes, directly playing into an open riichi (ron) is penalized by yakuman value. | ||
===Paarenchan=== | ===Paarenchan=== | ||
Score the eighth consecutive win of the same dealer as a [[Optional yaku|yakuman]]. | Score the eighth consecutive win of the same dealer as a [[Optional yaku|yakuman]]. | ||
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* YMan – Yakuman: Score this as a yakuman. No other yaku is necessary. | * YMan – Yakuman: Score this as a yakuman. No other yaku is necessary. | ||
* M – Mangan: Score this as a mangan. No other yaku is necessary. If a regular count of the hand would give haneman or better, the normal scoring is used. | * M – Mangan: Score this as a mangan. No other yaku is necessary. If a regular count of the hand would give haneman or better, the normal scoring is used. | ||
* Yaku – Renhou functions as a regular yaku, with an assigned han value. | * Yaku – Renhou functions as a regular yaku, with an assigned han value. As a regular yaku, it is capable of combining with other yaku. | ||
* Nashi – Renhou is not a yaku. The hand is scored normally, there must be at least one other yaku present for a valid win. | * Nashi – Renhou is not a yaku. The hand is scored normally, there must be at least one other yaku present for a valid win. | ||
==Pao== | ==Pao== | ||
{{main|Sekinin barai}} | {{main|Sekinin barai}} | ||
Pao | Pao is a penalty applied to players who allow others to guarantee certain types of yaku/yakuman. | ||
===Daisangen and daisuushii=== | ===Daisangen and daisuushii=== | ||
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Require that a player pay for a hand, as for a ron, when his or her discard is called for [[daiminkan]] and the caller wins a tsumo for [[rinshan kaihou]] on the replacement tile. | Require that a player pay for a hand, as for a ron, when his or her discard is called for [[daiminkan]] and the caller wins a tsumo for [[rinshan kaihou]] on the replacement tile. | ||
* Ari – Player dealing into daiminkan pays for the whole hand. | * Ari – Player dealing into daiminkan (or another kan called in the same turn) pays for the whole hand. | ||
* Nashi – All players pay for the hand, as normal for a tsumo. | * Nashi – All players pay for the hand, as normal for a tsumo. | ||
==Pinfu tsumo== | ==Pinfu tsumo== | ||
{{main|Pinfu}} | {{main|Pinfu}} | ||
* Ari - Pinfu and tsumo | Allow pinfu to waive the 2 fu from [[tsumo]], so that pinfu and [[menzen tsumo]] can be scored together. | ||
* Nashi - | |||
* Ari - Pinfu and menzen tsumo can be scored together. | |||
* Nashi - Pinfu cannot be scored with a tsumo. | |||
==Nagashi mangan== | ==Nagashi mangan== | ||