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Toitoihou: Difference between revisions
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{{Infobox yaku | {{Infobox yaku | ||
|type = Yaku | |type = Yaku | ||
|kanji = 対々 | |kanji = 対々和<br>対々 | ||
|english = All triplets | |english = All triplets | ||
|value = 2 han | |value = 2 han | ||
|yakuSpeed = Medium | |yakuSpeed = Medium | ||
|difficulty = Easy | |difficulty = Easy | ||
| | |gameExample = * [http://tenhou.net/0/?log=2014080608gm-0089-0000-c7c0bd29&tw=0&ts=8 Toitoi] with [[sanshoku doukou]] | ||
}} | }} | ||
''' | '''Toitoihou''' {{kana|対々和}}, often shortened to '''toitoi''' {{kana|対々}} is a standard yaku. In English, it is referred as "all triplets". That's due in part with every [[mentsu|tile group]] to be composed of [[Mentsu#Koutsu|triplets]]. This hand is immune to any requirement involving the numbered suits or [[Jihai|honor tiles]]. Simply, any group of triplets would suffice. In terms of [[han]], this yaku is [[kuisagari|not devalued while open]]. Players, whose hands containing multiple pairs, may be encouraged to call on tiles to complete triplets. With in mind, this yaku also acquired the nickname of "pon palace". | ||
==Tile pattern== | ==Tile pattern== | ||
:{{#mjt:111444p88s77z}} {{#mjt:33'3z}} Agari: {{#mjt:8s}} or {{#mjt:7z}} | :{{#mjt:111444p88s77z}} {{#mjt:33'3z}} Agari: {{#mjt:8s}} or {{#mjt:7z}} | ||
===Closed | ===Closed toitoi=== | ||
:{{#mjt:444z333p666s77m66z}} Agari: {{#mjt:7m}} or {{#mjt:6z}} | :{{#mjt:444z333p666s77m66z}} Agari: {{#mjt:7m}} or {{#mjt:6z}} | ||
If this hand wins by [[Menzenchin tsumohou|tsumo]], then it counts for the [[suuankou]] yakuman. Otherwise, it's a | If this hand wins by [[Menzenchin tsumohou|tsumo]], then it counts for the [[suuankou]] yakuman. Otherwise, it's a toitoi mixed with [[sanankou]]. | ||
==Formation== | ==Formation== | ||
As the name implies, this yaku requires [[Mentsu#Koutsu|koutsu]]. Usually, this yaku is called open due to the ability for [[pon]] to claim discarded tiles from any player. | As the name implies, this yaku requires [[Mentsu#Koutsu|koutsu]]. Usually, this yaku is called open due to the ability for [[pon]] to claim discarded tiles from any player. | ||
=== Compatibility === | |||
{{main|Yaku compatibility}} | |||
{{Yaku compatibility table|TOI}} | |||
Toitoi with [[mentsumo]] and [[junchan]] actually form yakuman, as [[suuankou]] and [[chinroutou]] respectively. Toitoi with [[chanta]] forms [[honroutou]] instead. | |||
Toitoi is incompatible with any yaku requiring a sequence, meaning [[pinfu]], [[iipeikou]], [[ittsu]], [[sanshoku doujun]], [[ryanpeikou]], and [[chankan]] (since it can only win on a sequence wait). It also cannot be combined with [[chiitoitsu]], since it doesn't use [[mentsu]]. | |||
=== Viability === | |||
Naturally, this yaku can be developed when the [[haipai|start hand]], or later subsequent tile draws, produces a number of pairs or even triplets. As the yaku requires, every tile group must be a triplet, which may be acquired via the tile draws or player discards (pon). However, if the hand happens to develop with a concentration of pairs (normally 4 or 5 pairs), then a player may actually opt to develop [[chiitoitsu]] instead. A hand with 6 pairs is already tenpai for chiitoitsu, which renders a chase for toitoi to be rather pointless. | |||
==External links== | ==External links== | ||