Atozuke: Difference between revisions

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'''Atozuke''' {{kana|後付け}} describes a "yakuless" [[tenpai]] which gains [[yaku]] upon winning. In other words, the current state of the hand does not produce yaku while tenpai. This typically involves an open hand, but can also apply to closed hands without [[riichi]]. It is also called '''sakizuke''' {{kana|先付け}}.
'''Atozuke''' {{kana|後付け}} describes a "yakuless" [[tenpai]] which gains [[yaku]] upon winning. In other words, the current state of the hand does not produce yaku while tenpai. This typically involves an open hand, but can also apply to closed hands without [[riichi]]. It is also called '''sakizuke''' {{kana|先付け}}.


When a hand is subject to atozuke, it may still win if it draws the "[[takame|higher value]]" tile. However, it is normally unable to win off the "[[yasume|lesser]]" tile, since it would lack yaku. If the lesser tile is drawn, the hand may be subject to [[furiten]].
When a hand is subject to atozuke, it may win if it draws the "[[takame|higher value]]" tile. However, it is usually unable to win off the "[[yasume|lesser]]" tile, since it would lack yaku. Such hands may still win with the lesser tile if it gains a conditional yaku (like [[haitei]] or [[rinshan]]). Otherwise, it cannot win. Thus, if the lesser tile is drawn, the hand is subject to [[furiten]].


Atozuke is subject to [[Rule variations#Atozuke|rule variations]]. When the atozuke rule is disabled ("atozuke nashi"), you must have a confirmed yaku before winning (and sometimes, before making any call). The more common rule, by far, is to allow atozuke. Rules disabling atozuke are rare, mostly found in specific [[jansou|mahjong parlor]]s.
Atozuke is subject to [[Rule variations#Atozuke|rule variations]]. When the atozuke rule is disabled ("atozuke nashi"), you must have a confirmed yaku before winning (and sometimes, before making any call). The more common rule, by far, is to allow atozuke. Rules disabling atozuke are rare, mostly found in specific [[jansou|mahjong parlor]]s.
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  {{#mjt:111m456s99p55z}} {{#mjt:7'89s}}  Agari: {{#mjt:9p}} or {{#mjt:5z}}
  {{#mjt:111m456s99p55z}} {{#mjt:7'89s}}  Agari: {{#mjt:9p}} or {{#mjt:5z}}


This time, the same tiles from the above hand has an [[chii|open call]]. At it stands, it needs the haku in order to win (or a conditional yaku like houtei).
This is the same hand but with an [[naki|open call]]. This hand can only win by haku, regardless of tsumo or ron.


=== Tanyao ===
=== Tanyao ===
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  {{#mjt:234567m22p78s}} {{#mjt:4'56p}}  Agari: {{#mjt:6s}} or {{#mjt:9s}}
  {{#mjt:234567m22p78s}} {{#mjt:4'56p}}  Agari: {{#mjt:6s}} or {{#mjt:9s}}


[[Tanyao]] can only be achieved when won with 6-sou.
[[Tanyao]] can only be achieved when won with the 6-sou.


=== Sanshoku ===
=== Sanshoku ===
  {{#mjt:1112s111678p}} {{#mjt:11'1m}}  Agari: {{#mjt:2s}} or {{#mjt:3s}}
  {{#mjt:1112s111678p}} {{#mjt:11'1m}}  Agari: {{#mjt:2s}} or {{#mjt:3s}}


This hand has an apparent yaku of [[sanshoku doukou]]. However, the latter wait of 3-sou would create a sequence of 1-2-3 sou, as it triggers the effect applied by [[yasume|the lesser valued tile]]. Thus, it only has a yaku when won with the 2-sou.
This hand has an apparent yaku of [[sanshoku doukou]]. However, if won with the 3-sou, the hand will contain a 11-sou pair and a 123-sou sequence, ruining the yaku. Thus, it only has a yaku when won with the 2-sou.


  {{#mjt:1234567s123p}} {{#mjt:2'13m}}  Agari: {{#mjt:1s}} or {{#mjt:4s}} or {{#mjt:7s}}
  {{#mjt:1234567s123p}} {{#mjt:2'13m}}  Agari: {{#mjt:1s}} or {{#mjt:4s}} or {{#mjt:7s}}
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The open call on the [[hatsu|green dragon]] instantly gives the hand a yaku via [[yakuhai]].  
The open call on the [[hatsu|green dragon]] instantly gives the hand a yaku via [[yakuhai]].  
{{#mjt:123s4567m123p}} {{#mjt:2'13m}}  Agari: {{#mjt:4m}} or {{#mjt:7m}}
[[Sanshoku]] is already embedded in the hand.


  {{#mjt:23444m33344z}} {{#mjt:11'1m}}  Agari: {{#mjt:1m}} or {{#mjt:4m}} or {{#mjt:4z}}
  {{#mjt:23444m33344z}} {{#mjt:11'1m}}  Agari: {{#mjt:1m}} or {{#mjt:4m}} or {{#mjt:4z}}
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