Sanankou: Difference between revisions

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

VisualWikitext

Latest revision as of 20:17, 19 August 2024

Sanankou 「三暗刻」 is a standard yaku, obtained when you have three concealed triplets (ankou). A 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 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

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.

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 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, those being pinfu, iipeikou, ittsu, sanshoku, and ryanpeikou. It is also 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, or sanankou if ron.

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 [[Naki#ron|discard]], as this would not count as concealed.  However, if it is completed with a [[tsumo]], then the yaku is awarded.  A [[Kan#Ankan|concealed kan]] is also counted as a concealed triplet.  The hand this yaku is awarded to may be open or closed, as long as it meets the conditions.  This yaku is awarded 2 han.
+'''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'' itself is closed.
 ==Tile pattern cases==
 . Case where the yaku is guaranteed:
-:{{#mjt:111333555p6s}} {{#mjt:1'23m}} Agari: {{#mjt:6s}}
+:{{#mjt:111333555p6s}} {{#mjt:1'23s}} Agari: {{#mjt:6s}}
 . Case where the hand must be won by [[mentsumo|tsumo]]:
-:{{#mjt:1113366p666s}} {{#mjt:2'13s}} Tsumo: {{#mjt:3p}} or {{#mjt:6p}}
+:{{#mjt:123m1113366p666s}} Tsumo: {{#mjt:3p}} or {{#mjt:6p}}
 . Case where the hand is won by discard.
@@ Line 31: / Line 33: @@
 ==Formation==
-This yaku requires three closed [[Mentsu#Koutsu|triplets]], as it is defined as such.  This leaves only one allowable [[Naki|tile call]].  It can be any open [[mentsu|tile group]].
+This yaku requires three closed [[Mentsu#Koutsu|triplets]], as it is defined as such. This leaves room for one [[tile call]], which can be of any [[mentsu|tile group]].
-=== Compatability ===
+=== Suuankou tenpai ===
-{{main|Yaku compatability}}
+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}}
 {{Yaku compatibility table|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.
+Sanankou is incompatible with any yaku requiring more than one sequence, those being [[pinfu]], [[iipeikou]], [[ittsu]], [[sanshoku]], and [[ryanpeikou]]. It is also 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.
+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.
-=== Suuankou tenpai ===
-A tenpai hand with sanankou with [[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==