List of yaku: Difference between revisions

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[[Image:YakuListed.png|thumb|right|300px|[http://tenhou.net/0/?log=2008121721gm-00c1-0000-fcadb0d7&tw=3&ts=5 Example hand], containing many yaku.]]
[[Image:YakuListed.png|thumb|right|300px|[http://tenhou.net/0/?log=2008121721gm-00c1-0000-fcadb0d7&tw=3&ts=5 Example hand], containing many yaku.]]
A '''[[yaku]]''' {{kana|役}} is a certain pattern in a mahjong hand, or a special condition under which a win is declared. Many yaku are pattern-based yaku comparable to "poker hands". Unlike poker, yaku types do not supercede each other. Instead, they are the main factor to determine hand values.  Players must finish hands before others do; and each yaku has [[han|specific values]] attached to them to determine [[Scoring table|payment amounts]].
A '''[[yaku]]''' {{kana|役}} is a certain pattern in a mahjong hand that scores points, and a necessary condition for winning. They are analogous to hands in poker. Unlike poker, multiple yaku can be combined into one hand. Under standard rules, there are 26 different yaku and 11 [[yakuman]] (a special class of high-scoring yaku). In addition, one special case may be allowed in [[nagashi mangan]].


The yaku and their values are essential for [[scoring]]. The game rules define twenty-six different yaku, worth a different amount of '''[[han]]''' {{kana|飜}} based on their difficulty or pre-assigned value. A player can incorporate [[Yaku compatibility|several different yaku in the same hand]] and accumulate their han values for high-scoring hands. For additional scoring, the game also features [[dora]].  However, possession of dora are not considered as yaku, even though they provide han.  In addition, eleven additional patterns are classed as [[yakuman]].  Finally, one special case may be allowed in [[nagashi mangan]].
'''In order to win any hand, the hand must have at least one yaku.''' Even if a hand has [[dora]], it cannot score without a yaku. Declaring a win without yaku can score a [[chombo]] penalty. Therefore, when learning the game, it is essential to learn the different types of yaku.


'''In order to win any hand in this game, a player requires at least one yaku.''' A hand having no yaku may not win, even if it has multiple dora. Declaring a win on a yakuless hand may result in [[chombo]].  So, as an early part of the game's learning process, it is essential to learn the different yaku listed here and eventually their han values.
Each yaku has a specified amount of '''[[han]]''' {{kana|飜}}, generally based on their rarity. You can also increase the hand's han count with [[dora]], but this does not count as a yaku. A hand's total han value, counted from adding up yaku and dora, [[Scoring table|determines the points]] you'll get in the end.


The most important yaku to learn is [[riichi]], since it is very common and a very easy yaku to achieve. A new player may find it easiest to avoid opening their hand and simply aim for riichi every time; no other yaku is required to win the hand. However, this strategy is far too simple for serious play and an experienced player should generally aim for a high-scoring yaku or combination of yaku from the beginning of the hand.
The most important yaku to learn is [[riichi]], since it is very common and very easy to achieve. A new player may find it easiest to never [[naki|open]] their hand, always calling riichi, and get a few wins. However, this strategy is far too simple for serious play; a variety of yaku should be employed.


==One han closed only==
==One han closed only==
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==Special case==
==Special case==
This yaku does not specifically deal with a player's hand, but rather the player's discards.  In addition, the hand may or may not be at tenpai upon scoring.  By default, this hand is set to mangan.
This yaku does not specifically deal with a player's hand, but rather the player's discards.  In addition, the hand may or may not be at tenpai upon scoring.  The result of nagashi mangan modifies the case of [[ryuukyoku]], where point exchanges equate to mangan.


{{yaku list
{{yaku list
| yakuname    = Nagashi mangan
| yakuname    = Nagashi mangan
| kanji      = 流し満貫
| kanji      = 流し満貫
| closeopen  = Closed only
| english    = Terminal honor discards
| closeopen  = Closed only (May be open on variation)
| tilepattern =  
| tilepattern =  
| description = All the discards are terminals and/or honors.  In addition, none of these discards were called by other players.
| description = All the discards are terminals and/or honors.  In addition, none of these discards were called by other players.
}}
}}


==Optional==
==Local==
{{main|Optional yaku}}
{{main|Local yaku}}


The above list is generally considered as the "standard yaku", including the yakuman.  However, the game offers an even larger array of tile patterns.  Various [[rule variations|house rules]] may opt to use some of these yaku on their own.
The above list is generally considered as the "standard yaku", including the yakuman.  However, the game offers an even larger array of tile patterns.  Various [[rule variations|house rules]] may opt to use some of these yaku on their own.
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* [http://www.osamuko.com/top-10-hands-you-should-re-memorize-if-you-ever-lose-your-memory/ Yaku short list]
* [http://www.osamuko.com/top-10-hands-you-should-re-memorize-if-you-ever-lose-your-memory/ Yaku short list]
: Pointing out which yaku to learn first
: Pointing out which yaku to learn first
* [http://www.ron2.jp/play_guide_rule.html Ron2 guide]
: Yaku list from Ron2
* [https://en.wikipedia.org/wiki/Japanese_Mahjong_yaku Wikipedia]
* [https://en.wikipedia.org/wiki/Japanese_Mahjong_yaku Wikipedia]
: Yaku list in Wikipedia.
: Yaku list in Wikipedia.
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