Tanyao: Difference between revisions

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'''Tanyao''' {{kana|断么九}} or {{kana|断幺九}} is a [[yaku]], obtained when the hand only has numbered tiles 2-8 from any of the [[Mahjong equipment#Japanese tiles|three main suits]]. By proxy, the hand cannot contain [[Routouhai|terminal tiles]] (1 and 9) or [[Jihai|honor tiles]]. It is one of the faster and easier yaku to obtain, though it is cheap.  Depending on the ruleset, you [[#Kuitan|may or may not]] be allowed to score this yaku when the hand is open.
'''Tanyao''' {{kana|断么九}} or {{kana|断幺九}} is a [[yaku]] obtained when the hand only has numbered tiles 2-8. By proxy, the hand cannot contain [[Routouhai|terminal tiles]] (1 and 9) or [[Jihai|honor tiles]]. While it is cheap, tanyao is one of the fastest and easiest yaku to obtain.


The tiles numbered from 2-8 are classed as '''chunchanhai''' {{kana|中張牌}}, or [[simples]]. Therefore, this hand may be referred to as "All Simples" in English.
The tiles numbered from 2-8 are classed as '''chunchanhai''' {{kana|中張牌}}, or [[simples]]. Therefore, this hand may be referred to as "All Simples" in English.
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*A lone 3 can be used in a 123 or 234 or 345 sequence, or as a pair/triplet.
*A lone 3 can be used in a 123 or 234 or 345 sequence, or as a pair/triplet.


Because lone honor/terminal tiles are least likely to be useful, they are often discarded first. As terminals/honors are often discarded early, a hand may "naturally" form tanyao wihout the player needing any special effort.
Lone honors/terminals are least likely to help, so they are discarded first. Since honors/terminals are discarded early, a hand may "naturally" form tanyao without any special effort. Conversely, it may not be wise to force tanyao. If you already have a 789 sequence, for instance, then you might not want to break it. (But if open tanyao is allowed, forcing tanyao may end up being faster.)


It might be unwise to force tanyao. If you already have a 789 sequence, for instance, then you might not want to break it. However, if open tanyao is allowed, you may want to force tanyao if you need a fast hand (and the hand can be completed quickly).
When open tanyao is allowed, it is notoriously fast: while not worth much, it is quick. If you need ''a'' win - for example, to end the game faster, or to break a tie in [[all last]] - then 1100 points might be all you need. In these cases, if tanyao is realistic, then call it. Depending on the hand, though, it may be faster to play [[yakuhai]] or (if the hand has completed groups with terminals) play closed.
 
===Open tanyao enabled===
When open tanyao is allowed, this yaku is notoriously fast. While a tanyao-only hand is not worth much, it can be quick. If you need ''a'' win - for example, to end the game faster, or to break a tie - then 1100 points might be all you need. In these cases, if tanyao is realistic, then call it. Depending on the hand, though, it may be faster to play [[yakuhai]] or (if the hand has completed groups with terminals) play closed.


You may also wish to play open tanyao if you have multiple (2+) [[dora]]. Here, the dora provide value on their own; tanyao + 3 dora is already [[mangan]]. Therefore, with multiple dora, you should call to speed up the already-valuable hand. If the dora are closed within the hand, then there is the added deceptiveness of your hand being a cheap hand, when in reality this is not the case.
You may also wish to play open tanyao if you have multiple (2+) [[dora]]. Here, the dora provide value on their own; tanyao + 3 dora is already [[mangan]]. Therefore, with multiple dora, you should call to speed up the already-valuable hand. If the dora are closed within the hand, then there is the added deceptiveness of your hand being a cheap hand, when in reality this is not the case.


===Discard characteristics===
===Discard characteristics===
As the hand looks to keep the simples, the discards will be the converse: terminal and honor tiles. As mentioned above, though, terminals/honors are often discarded even for hands without tanyao.
As the hand looks to keep the simples, the discards will be the converse: terminal and honor tiles. As mentioned above, though, terminals/honors are often discarded even with non-tanyao hands.


If a player has made multiple [[naki|calls]], none of those calls have a terminal or honor, and no other yaku is evident, then it is likely to be a tanyao.
If a player has made multiple [[naki|calls]], none of those calls have a terminal or honor, and no other yaku is evident, then it is likely to be a tanyao.
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==Value==
==Value==
The speed of the hand's development justifies the value of the hand at 1-han. This speedy play is associated with cheap value. However, if [[Dora#Red_5|red fives]] and/or other [[dora]] are incorporated, then a simple tanyao hand can easily become a very high-scoring one.
The speed of the hand's development justifies the value of the hand at 1-han. This speedy play is associated with its cheap value. However, if [[Dora#Red_5|red fives]] and/or other [[dora]] are incorporated, then a simple tanyao hand can easily become a very high-scoring one.


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