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Yaku variations: Difference between revisions
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Under most practices, chiitoitsu requires 7 unique pairs. | Under most practices, chiitoitsu requires 7 unique pairs. | ||
== | ==Double riichi== | ||
{{main|Double riichi}} | {{main|Double riichi}} | ||
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* Ari – Score daburu riichi as 2 han instead of 1 han. | * Ari – Score daburu riichi 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== | |||
Score each of the listed patterns as a double yakuman. | |||
* Nashi – All yakuman count as single yakuman. See combined yakuman below for another possibility to score a multiple yakuman. | |||
* D – [[Daisuushii]] may be scored as double on its own, or else relegated to a single. | |||
* S – [[Suuankou]] [[tanki]] may be scored as double on its own, or else relegated to a single. | |||
* K – Kokushi musou shiisanmen machi : Thirteen orphans winning from the thirteen-sided wait on the pair. | |||
* 9 – Junsei chuuren poutou : Nine heavenly gates winning from the nine-sided wait 1112345678999. | |||
==Haitei and houtei== | ==Haitei and houtei== | ||
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* Ari – Allow this combination. I consider this a bug in the 2012 EMA RCR. | * Ari – Allow this combination. I consider this a bug in the 2012 EMA RCR. | ||
* Nashi – Do not allow this combination. This is Japanese default. | * Nashi – Do not allow this combination. This is Japanese default. | ||
==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. | |||
* Nashi – Honitsu is always scored 2 han and chinitsu is always scored 5 han, regardless of the hand state. | |||
==Ippatsu== | ==Ippatsu== | ||
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* Nashi – Score as a sanbaiman with 6,000 basic points. | * Nashi – Score as a sanbaiman with 6,000 basic points. | ||
== Kokushi and chankan == | ==Kokushi and chankan== | ||
{{main|Kokushi musou|Chankan}} | {{main|Kokushi musou|Chankan}} | ||
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==Multiple yakuman== | ==Multiple yakuman== | ||
{{main|Multiple yakuman}} | {{main|Multiple yakuman}} | ||
[[Yaku compatibility|Different yakuman patterns]] may be combined. However, scoring is handled differently as well. Score more than one yakuman if multiple yakuman are achieved by the same hand. | |||
[[Yaku compatibility|Different yakuman patterns]] may be combined. | |||
* Ari – Add one yakuman per single yakuman, add two yakuman per double yakuman if allowed, and score the sum. | * Ari – Add one yakuman per single yakuman, add two yakuman per double yakuman if allowed, and score the sum. | ||
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* 2 fu – Award the hand 2 fu for tsumo. | * 2 fu – Award the hand 2 fu for tsumo. | ||
* Nashi – Don't count any fu for tsumo on the rinshanpai. | * Nashi – Don't count any fu for tsumo on the rinshanpai. | ||
==Ryanpeikou== | |||
{{main|Ryanpeikou}} | |||
Score 3 han for completing two iipeikou in a hand. | |||
* Ari – Score ryanpeikou as a 3-han yaku. | |||
* Nashi – Ryanpeikou is not used. In this case the hand will score two iipeikou for 2 han. | |||
==Ryuuiisou== | ==Ryuuiisou== | ||
{{main|Ryuuiisou}} | |||
A limit may be imposed on [[ryuuiisou]] to include or exclude [[hatsu]]. | A limit may be imposed on [[ryuuiisou]] to include or exclude [[hatsu]]. | ||
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Score a self-drawn win within a hand's first uninterrupted go-around as a yakuman. | Score a self-drawn win within a hand's first uninterrupted go-around as a yakuman. | ||
* Aari – Score tenhou and | * Aari – Score tenhou and chiihou as yakuman. | ||
* Nashi – Score these wins as normal hands. | * Nashi – Score these wins as normal hands. | ||
==External links== | ==External links== | ||
[[Category:Rule variations]] | [[Category:Rule variations]] | ||