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* [[Daisangen]]
* [[Daisangen]]
* [[Suu ankou]]
* [[Suu ankou]]
* [[Shousuushi]]
* [[Shousuushii]]
* [[Daisuushi]]
* [[Daisuushii]]
* [[Suu kantsu]]
* [[Suu kantsu]]
|gameExample = * [http://tenhou.net/0/?log=2014100817gm-0089-0000-317bf793&tw=3 Tsuuiisou]
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'''Tsuuiisou''' (字一色) is a [[List of yaku#Yakuman|yakuman]] in which the hand consists entirely of honour tiles.
'''Tsuuiisou''' {{kana|字一色}} is a [[List of yaku#Yakuman|yakuman]] in which the hand consists entirely of [[Jihai|honor tiles]].


==Tile pattern==
==Tile pattern==
{{#mjt:1112227776644z}} Agari: {{#mjt:6z}} or {{#mjt:4z}}
{{#mjt:1112226644z}} {{#mjt:7'77z}} Agari: {{#mjt:6z}} or {{#mjt:4z}}


== Development ==
For this yakuman, all [[kazehai]] (wind tiles) and [[sangenpai]] (dragon tiles) can be used. This gives seven tiles to choose from.


Tsuuiisou is also possible as a variant of [[chii toitsu]] (seven pairs). This variant uses two of the each honour tiles.
Honor tiles can only be formed as triplets or pairs. Therefore, this yakuman is only reasonable when in possession of multiple [[toitsu]] (pairs) of the honor tiles. Otherwise, you can go for yaku like [[yakuhai]] and [[honitsu]]. Regarding tile discards, any tile that is not an honor tile is deemed irrelevant for the yakuman, including [[dora]] tiles.  More often than not, players will call pon in order to claim and complete honor tile groups, until tenpai and eventually winning the hand (assuming to be the case).


== Daichiishin ==
{{#mjt:1122334455667z}}  Agari: {{#mjt:7z}}
{{#mjt:1122334455667z}}  Agari: {{#mjt:7z}}


==Formulation==
In addition to triplets, tsuuiisou can be achieved in the form of [[chiitoitsu]]. This may be considered as a [[Optional yaku|separate yakuman]], '''daichiishin''' {{kana|大七星}}, meaning "Big Seven Stars"There are exactly seven types of honor tile, and you cannot call pon to complete the hand, so this is much harder than regular tsuiisou. This is [[optional yaku|optionally]] worth [[Multiple yakuman|double yakuman]].
For this yakuman, all ''kazehai'' (wind tiles) and ''sangenpai'' (dragon tiles) can be usedGiven the nature of [[jihai]] (honor tiles), they different types cannot be mixed into a meld. Therefore, they must be collected in the form of [[Mentsu#Koutsu|koutsu]] (triplets).  This yakuman is only reasonably achievable, when in possession of at least multiple [[toitsu]] (pairs) of the honor tiles.


==External links==
==External links==
{{jpwiki|字一色}}
[[Category:Yakuman]]
[[Category:Yakuman]]


{{Navbox yaku}}
{{Navbox yaku}}

Latest revision as of 21:04, 19 March 2024

Tsuuiisou
Type Yakuman
Kanji 字一色
English All honors
Value Yakuman
Speed Very slow
Difficulty Very hard

Tsuuiisou 「字一色」 is a yakuman in which the hand consists entirely of honor tiles.

Tile pattern

Agari: or

Development

For this yakuman, all kazehai (wind tiles) and sangenpai (dragon tiles) can be used. This gives seven tiles to choose from.

Honor tiles can only be formed as triplets or pairs. Therefore, this yakuman is only reasonable when in possession of multiple toitsu (pairs) of the honor tiles. Otherwise, you can go for yaku like yakuhai and honitsu. Regarding tile discards, any tile that is not an honor tile is deemed irrelevant for the yakuman, including dora tiles. More often than not, players will call pon in order to claim and complete honor tile groups, until tenpai and eventually winning the hand (assuming to be the case).

Daichiishin

Agari:

In addition to triplets, tsuuiisou can be achieved in the form of chiitoitsu. This may be considered as a separate yakuman, daichiishin 「大七星」, meaning "Big Seven Stars". There are exactly seven types of honor tile, and you cannot call pon to complete the hand, so this is much harder than regular tsuiisou. This is optionally worth double yakuman.

External links

Tsuuiisou in Japanese Wikipedia