Sanankou: Difference between revisions

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A natural combination involves [[toitoi]].  With one tile call, the hand needs to win by tsumo.  In order for this combination to win via ron, the hand is completely closed and waiting for [[suuankou]].


=== Suuankou tenpai ===
=== Suuankou tenpai ===

Revision as of 22:21, 16 December 2014

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

Sanankou 「三暗刻」 is a yaku, consisting of three concealed triplets (ankou). In the case of having three triplets, the third one could not be completed with another player's discard, as this would not count as being concealed. However, if it is completed with a tsumo, then the yaku is awarded. Ankan is also counted as a closed 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.

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. As for the fourth meld, it can be either a sequence, another triplet, open, or closed.

Compatability

^ 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

A natural combination involves toitoi. With one tile call, the hand needs to win by tsumo. In order for this combination to win via ron, the hand is completely closed and waiting for suuankou.

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

Sanankou in Japanese Wikipedia