Tsuuiisou: Difference between revisions

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

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Latest revision as of 21:04, 19 March 2024

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

字一色

Tsuuiisou in Japanese Wikipedia

@@ Line 20: / Line 20: @@
 {{#mjt:1112226644z}} {{#mjt:7'77z}} Agari: {{#mjt:6z}} or {{#mjt:4z}}
-== Viability ==
+== Development ==
-For this yakuman, all [[kazehai]] (wind tiles) and [[sangenpai]] (dragon tiles) can be used.  So, that gives seven tile types to choose from.  Given the nature of honor tiles, the different types cannot be mixed to form [[mentsu|tile groups]].  Therefore, they must be collected in the form of [[Mentsu#Koutsu|koutsu]] (triplets).
+For this yakuman, all [[kazehai]] (wind tiles) and [[sangenpai]] (dragon tiles) can be used. This gives seven tiles to choose from.
-===Development===
+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).
-This yakuman is only reasonably achievable, when in possession of at least multiple [[toitsu]] (pairs) of the honor tiles.  Otherwise, players may have to resort towards yaku, like [[yakuhai]] or [[honitsu]] for attaining [[tenpai]].  Regarding tile discards, any non-honor tile is deemed irrelevant and must be discarded.  This may include [[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).  While it is possible to complete this hand while closed, it would seek to be in the form of a [[suuankou]] tenpai.
-== Daichisei ==
+== Daichiishin ==
 {{#mjt:1122334455667z}}  Agari: {{#mjt:7z}}
-A [[Optional yaku|specific variant]] to tsuuiisou is possible and can be considered as a separate yakuman, '''daichiisei''' {{kana|大七星}}, which means "Big Seven Stars".  It is a variant of [[chiitoitsu]] (seven pairs). There are exactly seven types of honor tiles, which makes this difficult pattern possible but more difficult than the regular tsuuiisou.  As a consequence, this variation remains as a closed only hand.  This is [[optional yaku|optionally]] worth [[Multiple yakuman|double yakuman]].
+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]].
 ==External links==