Sanankou: Difference between revisions

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=== Suuankou tenpai ===
=== Suuankou tenpai ===
A closed tenpai hand with both sanankou and [[toitoi]] is tenpai for [[suuankou]]. When this hand wins by discard, then the hand is not counted as suuankou.  Instead, it is the combination of sanankou and toitoi. The fourth triplet completed by the discarded tile counts as an "open triplet", rather than a fourth closed one.
A closed tenpai hand with both sanankou and [[toitoi]] is tenpai for [[suuankou]].  
 
If the hand has a [[shanpon]] wait and wins by discard, the hand is not counted as suuankou, and instead scores sanankou + toitoi. This is because a triplet by ron is considered opened and thus disqualifying suuankou.


== Compatibility ==
== Compatibility ==
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Sanankou is incompatible with any yaku requiring more than one sequence, those being [[pinfu]], [[iipeikou]], [[ittsu]], [[sanshoku doujun]], and [[ryanpeikou]]. It is also incompatible with [[chiitoitsu]], which requires no [[mentsu]] at all.
Sanankou is incompatible with any yaku requiring more than one sequence, those being [[pinfu]], [[iipeikou]], [[ittsu]], [[sanshoku doujun]], and [[ryanpeikou]]. It is also incompatible with [[chiitoitsu]], which requires no [[mentsu]] at all.


A natural combination involves [[toitoi]].
A natural combination involves [[toitoi]]:
* An "all triplet" hand with 1 open group scores sanankou + toitoi if a triplet is completed by tsumo, or if all triplets are complete at tenpai. If a triplet is completed by ron it scores only toitoi.
* An "all triplet" hand with 1 open group scores sanankou + toitoi if a triplet is completed by tsumo, or if all triplets are complete at tenpai. If a triplet is completed by ron it scores only toitoi.
* A closed "all triplet" hand scores [[suuankou]] if a triplet is completed by tsumo, or if all triplets are complete at tenpai. If a triplet is completed by ron it scores sananoku + toitoi.
* A closed "all triplet" hand scores [[suuankou]] if a triplet is completed by tsumo, or if all triplets are complete at tenpai. If a triplet is completed by ron it scores sanankou + toitoi.


==External links==
==External links==
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