Tsuuiisou: Difference between revisions

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|gameExample = * [http://tenhou.net/0/?log=2014100817gm-0089-0000-317bf793&tw=3 Tsuuiisou]
|gameExample = * [http://tenhou.net/0/?log=2014100817gm-0089-0000-317bf793&tw=3 Tsuuiisou]
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'''Tsuuiisou''' {{kana|字一色}} is a [[List of yaku#Yakuman|yakuman]] in which the hand consists entirely of [[Jihai|honor tiles]].
'''Tsuuiisou''' {{kana|字一色}} is a [[yakuman]] scored when the hand consists entirely of [[honor]] tiles.


==Tile pattern==
==Tile pattern==
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== Development ==
== Development ==
For this yakuman, all [[kazehai]] (wind tiles) and [[sangenpai]] (dragon tiles) can be used. This gives seven tiles to choose from.
Any [[wind]] or [[dragon]] can be used, giving seven tiles to choose from. Any non-honor tile is irrelevant for this yakuman.


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).
Honor tiles can only be formed as triplets or pairs, so this yaku is only reasonable when in possession of many honor tile [[pair]]s (which can be [[pon]]ned). Otherwise, you can go for yaku like [[yakuhai]] and [[honitsu]].
 
Tsuuiisou is the fourth most common yakuman, behind the yakuman gosanke ([[suuankou]], [[kokushi musou]], and [[daisangen]]).


== Daichiishin ==
== Daichiishin ==

Latest revision as of 23:55, 13 September 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 scored when the hand consists entirely of honor tiles.

Tile pattern

Agari: or

Development

Any wind or dragon can be used, giving seven tiles to choose from. Any non-honor tile is irrelevant for this yakuman.

Honor tiles can only be formed as triplets or pairs, so this yaku is only reasonable when in possession of many honor tile pairs (which can be ponned). Otherwise, you can go for yaku like yakuhai and honitsu.

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