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Honroutou: Difference between revisions
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* [[Shousangen]] | * [[Shousangen]] | ||
* [[Sankantsu]] | * [[Sankantsu]] | ||
* [[ | * [[Chiitoitsu]] | ||
|gameExample = | |gameExample = * [http://tenhou.net/0/?log=2012061612gm-0009-7447-667651ae&tw=3&ts=4 One terminal group] | ||
* [http://tenhou.net/0/?log=2014012816gm-0009-7447-3851d1db&tw=1&ts=5 With] [[sanshoku doukou]] | |||
}} | }} | ||
'''Honroutou''' | '''Honroutou''' {{kana|混老頭}} is a standard yaku, focusing on just the [[jihai|honors]] and [[routouhai|terminals]]. To score honroutou, the hand must contain only honors and terminals. If the hand is all honors or all terminals, then [[tsuuiisou]] or [[chinroutou]] will be scored instead. | ||
==Tile pattern== | ==Tile pattern== | ||
{{#mjt:111p999s11z11m}} {{#mjt:22'2z}} Agari: {{#mjt:1z}} or {{#mjt:1m}} | |||
==Formation== | ==Formation== | ||
This yaku requires [[routouhai|terminal]] and [[jihai|honor]] tiles only. While terminals may be used for [[shuntsu|sequences]], this yaku cannot form those sequences. Otherwise, this yaku would no longer be honroutou but rather [[chanta]]. Naturally, a concentration of honor and terminal tiles are required to even consider this yaku. A majority of honroutou hands are open, especially when they only utilize pon to call tiles. | |||
=== Compatibility === | |||
{{main|Yaku compatibility}} | |||
{{Yaku compatibility table|HRO}} | |||
Honroutou is not compatible with any yaku which require a sequence, which accounts for most of the incompatibilities (including [[chankan]], which must always win on a sequence wait). [[Tanyao]] is incompatible because it requires no terminals or honours, and honroutou requires only those tiles. [[Chantaiyao]] is incompatible because it is implied by honroutou. Finally, if [[honroutou]] is combined with [[junchan]], the entire hand must be terminals, which gives the [[chinroutou]] yakuman. | |||
==Value== | ==Value== | ||
It is impossible to score this yaku without at least either [[toitoi]] or [[chiitoitsu]]. So this yaku is, at minimum, worth 4 han. | |||
When factoring [[fu]], the combination of [[koutsu|ankou]] and [[koutsu|minkou]] (closed and open triplets) produces a fu count of higher than 10. The lowest possible fu is generated with 4 minkou, leading to [[tanki|hadaka tanki]] (lone pair wait). Adding the base 20 fu for any hand, this yaku is guaranteed greater than 30 fu; and with the rules of fu, that number is actually rounded up to at least 40 fu. Therefore, a honroutou composed of ankou and minkou is at minimum a [[mangan]]. | |||
Example: | |||
:{{#mjt:9s}} {{#mjt:1'11p999'm4'443'33z}} Agari: {{#mjt:9s}} | |||
This is the second lowest possible honroutou, if not played in the West round. For each of the open calls, they are worth 4 fu. In combination, they add up to 16 fu. Then add the [[tanki]] (pair wait) for 2 fu. In total, this hand has 18 fu, in addition to the base 20 fu; and that makes 38 fu. Per the [[scoring|scoring rules]], the number is rounded up to 40 fu. With a minimum of 4 han and 40 fu, this hand is guaranteed at least mangan when chiitoitsu is not involved. | |||
The lowest scoring honroutou is a [[chiitoitsu]] won by ron without riichi or dora. | |||
Example: | |||
:{{#mjt:99m11p1199s22334z}} Ron: {{#mjt:4z}} | |||
This hand scores 4 han and 25 fu for 6400(9600) points. | |||
==External links== | ==External links== | ||
{{jpwiki|混老頭}} | |||
[[Category: Yaku]] | [[Category: Yaku]] | ||
{{Navbox yaku}} | {{Navbox yaku}} | ||