Atozuke: Difference between revisions

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When the atozuke rule is disabled, the hand must have a confirmed yaku before winning. There are two main variations to atozuke disabled:
When the atozuke rule is disabled, the hand must have a confirmed yaku before winning. There are two main variations to atozuke disabled:


# The hand must have a specific yaku confirmed before winning. In addition, when calling, it must have a specific yaku confirmed once the first call completes.
# The hand must have a specific yaku confirmed before winning. In addition, when calling, it must have a specific yaku confirmed without needing to make another call and without needing the winning tile. (In most cases, this is equivalent to "you must confirm a yaku when you make the first call".)
# The hand must have a yaku no matter which tile it wins on. Any hand that always has a yaku by the end can win.
# The hand must have a yaku no matter which tile it wins on. Any hand that always has a yaku (any yaku) by the end can win.


To repeat, the atozuke rule is most often enabled. When atozuke is enabled, all of the following types of hand can win without issue.
To repeat, the atozuke rule is most often enabled. When atozuke is enabled, all of the following types of hand can win without issue.
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*In this case, the hand has a closed hatsu triplet, so it can always win. Even if the hatsu triplet was drawn after the 789-sou call, there would be no practical way to prove you didn't have the hatsu triplet before calling. Therefore, "drawing yaku after calling" is allowed so long as you "complete" the yaku before winning.
*In this case, the hand has a closed hatsu triplet, so it can always win. Even if the hatsu triplet was drawn after the 789-sou call, there would be no practical way to prove you didn't have the hatsu triplet before calling. Therefore, "drawing yaku after calling" is allowed so long as you "complete" the yaku before winning.
*For whole hand yaku, like [[honitsu]] and [[chanta]], the hand's closed section is considered to have "guaranteed the yaku". Therefore, even if the hand didn't qualify for honitsu at the time of the first call, you can win with an open honitsu-only hand. (For a yaku like chanta, your waits still need to guarantee chanta to not be atozuke.)
*For whole hand yaku, like [[honitsu]] and [[chanta]], the hand's closed section is considered to have "guaranteed the yaku". Therefore, even if the hand didn't qualify for honitsu at the time of the first call, you can win with an open honitsu-only hand. (For a yaku like chanta, your waits still need to guarantee chanta to not be atozuke.)
{{#mjt:123456m13p66z1'23s}} Agari: {{#mjt:2p}}
Despite sanshoku being guaranteed with the winning tile, because the sanshoku was not complete ''before reaching tenpai'', this hand cannot win under rule #1.


== Strategy ==
== Strategy ==
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