Sanankou: Difference between revisions

Sanankou
Type	Yaku
Kanji	三暗刻
English	Three concealed triplets
Value	2 han
Speed	Medium
Difficulty	Medium

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Revision as of 03:38, 4 June 2024

Sanankou 「三暗刻」 is a yaku consisting of three concealed triplets (ankou). The third must not be completed off of another player's discard, as this would not count as concealed. However, if the 3rd triplet is completed with a tsumo, or completed before reaching tenpai, then the yaku is awarded. A concealed kan is also counted as a concealed triplet. This yaku may be scored with an open or closed hand, and is worth 2 han.

Tile pattern cases

1. Case where the yaku is guaranteed:

Agari:

2. Case where the hand must be won by tsumo:

Tsumo:

or

3. Case where the hand is won by discard.

Ron:

or

Note: A tsumo results in the suuankou yakuman.

Formation

This yaku requires three closed triplets, as it is defined as such. This leaves room for one tile call, which can be of any tile group.

Compatibility

Main article: Yaku compatibility

^ Ippatsu requires riichi to be of any use.

	RCH	DRI	IPP	SMO	TAN	PFU	IPK	ITT	YAK	SDJ	SDO	TOI	SNA	SNK	CHA	JUN	RPK	SSG	HRO	HON	CHN	CHI	RIN	HAI	HOU	CHK
SNA

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. 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. Otherwise, it may not.

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.

External links

三暗刻

Sanankou in Japanese Wikipedia

@@ Line 17: / Line 17: @@
 * [http://tenhou.net/0/?log=2012110819gm-0009-7447-b68a0585&tw=2&ts=4 Sanankou] [[tenpai]] for [[suuankou]]
 }}
-'''Sanankou''' {{kana|三暗刻}} is a yaku consisting of three concealed triplets ([[ankou]]). The third must not be completed off of another player's [[ron|discard]], as this would not count as concealed. However, if the 3rd triplet is completed with a [[tsumo]], or completed before reaching tenpai, then the yaku is awarded. A [[Kan#Ankan|concealed kan]] is also counted as a concealed triplet. This yaku may be scored open or closed, and is worth 2 han.
+'''Sanankou''' {{kana|三暗刻}} is a yaku consisting of three concealed triplets ([[ankou]]). The third must not be completed off of another player's [[ron|discard]], as this would not count as concealed. However, if the 3rd triplet is completed with a [[tsumo]], or completed before reaching tenpai, then the yaku is awarded. A [[Kan#Ankan|concealed kan]] is also counted as a concealed triplet. This yaku may be scored with an open or closed hand, and is worth 2 han.
 ==Tile pattern cases==
@@ Line 24: / Line 24: @@
 . Case where the hand must be won by [[mentsumo|tsumo]]:
-:{{#mjt:1113366p666s}} {{#mjt:2'13s}} Tsumo: {{#mjt:3p}} or {{#mjt:6p}}
+:{{#mjt:1113366p123666s}} Tsumo: {{#mjt:3p}} or {{#mjt:6p}}
 . Case where the hand is won by discard.
@@ Line 31: / Line 31: @@
 ==Formation==
-This yaku requires three closed [[Mentsu#Koutsu|triplets]], as it is defined as such. This leaves only one allowable [[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 ===