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Sanankou: Difference between revisions
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'''Sanankou''' {{kana|三暗刻}} is a standard yaku, obtained when you have three concealed triplets ([[ankou]]). A [[Kan#Ankan|concealed kan]] counts as a concealed triplet. It can be completed with an open or closed hand. | '''Sanankou''' {{kana|三暗刻}} is a standard yaku, obtained when you have three concealed triplets ([[ankou]]). A [[Kan#Ankan|concealed kan]] counts as a concealed triplet. It can be completed with an open or closed hand. | ||
The third triplet may ''not'' be completed off another player's [[ron|discard]] ([[ron]]), as the triplet would not be "concealed". However, the third triplet may be completed by [[tsumo]]. Sanankou and the related [[suuankou]] are the only two yaku that care whether the tile group is closed; all other yaku only check if the hand is closed. | The third triplet may ''not'' be completed off another player's [[ron|discard]] ([[ron]]), as the triplet would not be "concealed". However, the third triplet may be completed by [[tsumo]]. Sanankou and the related [[suuankou]] are the only two yaku that care whether the ''tile group'' is closed; all other yaku only check if ''the hand'' itself is closed. | ||
==Tile pattern cases== | ==Tile pattern cases== | ||
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This yaku requires three closed [[Mentsu#Koutsu|triplets]], as it is defined as such. This leaves room for one [[Naki|tile call]], which can be of any [[mentsu|tile group]]. | This yaku requires three closed [[Mentsu#Koutsu|triplets]], as it is defined as such. This leaves room for one [[Naki|tile call]], which can be of any [[mentsu|tile group]]. | ||
=== Compatibility | === 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. | |||
== Compatibility == | |||
{{main|Yaku compatibility}} | {{main|Yaku compatibility}} | ||
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Sanankou is incompatible with any yaku requiring more than one sequence, namely [[pinfu]], [[iipeikou]], [[ittsu]], [[sanshoku]], and [[ryanpeikou]]. It is incompatible with [[chiitoitsu]], which requires no [[mentsu]] at all. | Sanankou is incompatible with any yaku requiring more than one sequence, namely [[pinfu]], [[iipeikou]], [[ittsu]], [[sanshoku]], and [[ryanpeikou]]. It is incompatible with [[chiitoitsu]], which requires no [[mentsu]] at all. | ||
A natural combination involves [[toitoi]]. | A natural combination involves [[toitoi]]. With one tile call, the hand needs to win by tsumo; otherwise by ron, only toitoi is counted. This premise is a similar case involving suuankou, which counts as yakuman via tsumo, or sanankou if ron. | ||
==External links== | ==External links== | ||