Chinroutou: Difference between revisions

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'''Chinrotou''' (清老頭) is a [[List of yaku#Yakuman|yakuman]], where every tile is a terminal, i.e., a one or a nine.
{{Infobox yaku
|type        = Yakuman
|kanji      = 清老頭
|english    = All terminals
|value      = Yakuman
|yakuSpeed  = Very slow
|difficulty  = Very hard
|yakuCombine = * [[Tenhou]]
* [[Chiihou]]
* [[Suuankou]]
|gameExample = * [http://tenhou.net/0/?log=2014042400gm-00c1-0000-0c88a3f2&tw=2&ts=0 Chinroutou] against [[double riichi]]
* [http://tenhou.net/0/?log=2013020807gm-0009-7447-8494ff98&tw=3&ts=2 With] [[Suukantsu]]
}}
'''Chinroutou''' {{kana|清老頭}}, or '''chinro''' for short, is a [[yakuman]] scored when every tile is a [[terminal]] (1 or 9). In other words, no [[simples]] (2-8) or [[honor]]s are allowed.


==Tile pattern==
==Tile pattern==
{{#mjt:111m999111p99m}} {{#mjt:11'1s}} Agari: {{#mjt:1p}} or {{#mjt:9m}}
{{#mjt:111m99911p99m}} {{#mjt:11'1s}} Agari: {{#mjt:1p}} or {{#mjt:9m}}


==English reference==
==Formation==
* All terminals
[[Image:Chinroutou denied.png|250px|thumb|right|Possible [http://tenhou.net/0/?log=2015090615gm-0089-0000-acd2836c&tw=3&ts=3 chinroutou threat] after two calls and a low terminal count among discards.]]
For this yakuman, there are only six types of terminals available: two from each of the numbered suit (1 and 9). As a standard winning hand is 4 melds and a pair, five out of the six types of terminals are needed to build the hand.


==Formulation==
Since there are only six tile types available for this hand, it is impossible to form a [[chiitoitsu]] variation.
For this yakuman, there are only six types of terminals available: two from each of the numbered suit (1 and 9). Given the basic hand pattern of four melds and a pair, five out of the six types of terminals are needed to build this handSince there are only six tile types available for this hand, it is impossible to form a [[chiitoitsu]] variation.
 
===Viability===
Aside from needing five out of the six terminal types, every tile group must be triplets (or [[kan]]s). So, any attempt at this yakuman requires the proper number of terminals as well as the ability to collect triplets. More often than not, players must make [[naki|tile calls]] in order to do soOnly a rare number of times can this yakuman be completed while closed. On the other hand, the yakuman is rendered impossible if enough terminals are discarded or made unavailable.


==External links==
==External links==
[[Category:Yaku]]
{{jpwiki|清老頭}}
{{Youtube
| url        = https://www.youtube.com/watch?v=CPas2t-bgR8
| linkname    = 【麻雀】望月雅継の清老頭!!
| description = Tournament Chinroutou
}}
 
{{Navbox yaku}}
 
[[Category:Yakuman]]

Latest revision as of 23:36, 23 August 2024

Chinroutou
Type Yakuman
Kanji 清老頭
English All terminals
Value Yakuman
Speed Very slow
Difficulty Very hard

Chinroutou 「清老頭」, or chinro for short, is a yakuman scored when every tile is a terminal (1 or 9). In other words, no simples (2-8) or honors are allowed.

Tile pattern

Agari: or

Formation

Possible chinroutou threat after two calls and a low terminal count among discards.

For this yakuman, there are only six types of terminals available: two from each of the numbered suit (1 and 9). As a standard winning hand is 4 melds and a pair, five out of the six types of terminals are needed to build the hand.

Since there are only six tile types available for this hand, it is impossible to form a chiitoitsu variation.

Viability

Aside from needing five out of the six terminal types, every tile group must be triplets (or kans). So, any attempt at this yakuman requires the proper number of terminals as well as the ability to collect triplets. More often than not, players must make tile calls in order to do so. Only a rare number of times can this yakuman be completed while closed. On the other hand, the yakuman is rendered impossible if enough terminals are discarded or made unavailable.

External links

Chinroutou in Japanese Wikipedia
Tournament Chinroutou