Honroutou: Difference between revisions
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* [http://tenhou.net/0/?log=2014012816gm-0009-7447-3851d1db&tw=1&ts=5 With] [[sanshoku doukou]] | * [http://tenhou.net/0/?log=2014012816gm-0009-7447-3851d1db&tw=1&ts=5 With] [[sanshoku doukou]] | ||
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'''Honroutou''' {{kana|混老頭}} is a | '''Honroutou''' {{kana|混老頭}} is a [[yaku]] scored when every tile in the hand is either a [[terminal]] or an [[honor]] tile. The hand must contain at least one honor and one terminal to score honroutou; an all honor hand would be [[tsuuiisou]], while an all terminal hand would be [[chinroutou]]. | ||
==Tile pattern== | ==Tile pattern== | ||
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==Formation== | ==Formation== | ||
Because every tile must be a [[terminal]] or [[honor]], [[sequence]]s are not allowed, since a sequence always contains non-terminal tiles. Naturally, a large amount of honors/terminals are required to even consider this yaku. A majority of honroutou hands are open, using [[pon]] to complete a triplet-based hand. | |||
== Compatibility == | == Compatibility == | ||
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{{Yaku compatibility table|HRO}} | {{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. [[ | 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. [[Chanta]] 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]]. | It is impossible to score this yaku without at least either [[toitoi]] or [[chiitoitsu]]. Therefore, every hand that scores honroutou is worth at least 4 han. | ||
In toitoi form, honroutou is always worth a [[mangan]] at minimum. The lowest scoring hand would have 36 [[fu]] (20 fu for winning; 4 open terminal triplets, worth 4 fu each), which is then rounded up to 40 fu. A 4 han 40 fu hand scores mangan. Such a hand is shown below: | |||
:{{#mjt:11p99s}} {{#mjt:999'm4'443'33z}} Ron: {{#mjt:1p9s}} | |||
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The lowest scoring honroutou is a [[chiitoitsu]] won by ron without riichi or dora. | The lowest scoring honroutou is a [[chiitoitsu]] won by ron without riichi or dora. | ||
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:{{#mjt:99m11p1199s22334z}} Ron: {{#mjt:4z}} | :{{#mjt:99m11p1199s22334z}} Ron: {{#mjt:4z}} | ||
This hand scores 4 han and 25 fu for 6400(9600) points. | This hand scores 4 han and 25 fu for 6400 (9600) points. | ||
==External links== | ==External links== | ||
Revision as of 17:21, 22 August 2024
| Type | Yaku |
|---|---|
| Kanji | 混老頭 |
| English | Terminals and honors |
| Value | 2 han (consider as 4 han) |
| Speed | Slow |
| Difficulty | Hard |
Honroutou 「混老頭」 is a yaku scored when every tile in the hand is either a terminal or an honor tile. The hand must contain at least one honor and one terminal to score honroutou; an all honor hand would be tsuuiisou, while an all terminal hand would be chinroutou.
Tile pattern
Agari: or
Formation
Because every tile must be a terminal or honor, sequences are not allowed, since a sequence always contains non-terminal tiles. Naturally, a large amount of honors/terminals are required to even consider this yaku. A majority of honroutou hands are open, using pon to complete a triplet-based hand.
Compatibility
^ Ippatsu requires riichi to be of any use.
| RCH | DRI | IPP | SMO | TAN | PFU | IPK | ITT | YAK | SDJ | SDO | TOI | SNA | SNK | CHA | JUN | RPK | SSG | HRO | HON | CHN | CHI | RIN | HAI | HOU | CHK | |
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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. Chanta 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
It is impossible to score this yaku without at least either toitoi or chiitoitsu. Therefore, every hand that scores honroutou is worth at least 4 han.
In toitoi form, honroutou is always worth a mangan at minimum. The lowest scoring hand would have 36 fu (20 fu for winning; 4 open terminal triplets, worth 4 fu each), which is then rounded up to 40 fu. A 4 han 40 fu hand scores mangan. Such a hand is shown below:
Ron:
The lowest scoring honroutou is a chiitoitsu won by ron without riichi or dora.
Example:
Ron:
This hand scores 4 han and 25 fu for 6400 (9600) points.
External links
- Honroutou in Japanese Wikipedia
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