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Shousangen: Difference between revisions
→Value: Elaborate on how to fail at mangan.
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==Value== | ==Value== | ||
In general, this yaku is noted as 2 han. However, it is impossible for this yaku to score without two instances of [[yakuhai]] from the two [[Koutsu|groups]] of sangenpai. In combination, this yaku will never produce a hand worth less than 4 han. Even with both sangenpai groups called open, that is a combination of 8 fu; and then there's 2 more fu from the sangenpai pair of the third type. | In general, this yaku is noted as 2 han. However, it is impossible for this yaku to score without two instances of [[yakuhai]] from the two [[Koutsu|groups]] of sangenpai. In combination, this yaku will never produce a hand worth less than 4 han. Even with both sangenpai groups called open, that is a combination of 8 fu; and then there's 2 more fu from the sangenpai pair of the third type. This means that with a closed [[Naki#ron|ron]], or when playing with [[Scoring variations#kiriage mangan|kiriage mangan]], the hand will always score at least mangan; otherwise, the only way to avoid mangan is to avoid any other minipoints and score exactly 4 han 30 fu. | ||
The requirements to do so, assuming no additional yaku, are: | |||
* The hand must be won by ron, as a tsumo would score 2 fu. | |||
* The wait must be either a [[ryanmen]] or [[shanpon]] wait, as any other wait would score 2 fu. | |||
* Both of the other groups must be [[shuntsu]] of different suits. If either was a [[koutsu]], it would score at least 2 fu. | |||
* Both of the yakuhai groups must be open, as they would score additional fu if closed. Note that as this is for the purposes of counting fu, if a group is completed by ron, it counts as being open. | |||
* Neither of the yakuhai groups may be [[kantsu]], as they would score additional fu as kantsu. | |||
Two examples scoring exactly 4 han 30 fu on a ron: | |||
{{#mjt:234p34s66z}} {{#mjt:555'z}} {{#mjt:7'77z}} Agari: {{#mjt:5s}} | |||
{{#mjt:567m123s6677z}} {{#mjt:55'5z}} Agari: {{#mjt:6z}} | |||
==External links== | ==External links== | ||