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Ikkitsuukan: Difference between revisions
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{{Yaku compatibility table|ITT}} | {{Yaku compatibility table|ITT}} | ||
Ittsu requires three groups to be sequences, leaving room for only one other tile group. Yaku that require more than one triplet - [[sanshoku doukou]], [[sanankou]], [[sankantsu]], [[shousangen]], [[toitoi]] - are thus incompatible. Similarly, [[sanshoku]] and [[ryanpeikou]] are incompatible because there is no room for their patterns. [[Chiitoitsu]], which does not use [[mentsu]], is likewise incompatible. The 456 sequence invalidates [[chanta]], [[junchan]], and [[honroutou]], while the 123 and 789 sequences invalidate [[tanyao]]. | |||
=== | Ittsu can often be combined with [[honitsu]]/[[chinitsu]], as the ittsu is already composed of 9 tiles of the same suit. [[Pinfu]] also combines well; however, if the ittsu section is not complete, the hand would be subject to to [[takame and yasume]] (only one of two waiting tiles would score this yaku). | ||
=== Vs sanshoku === | |||
{{main|Ittsu vs sanshoku}} | {{main|Ittsu vs sanshoku}} | ||
Ittsuu requires three out of the four tile groups to be composed of sequences: 123, 456, and 789. Sanshoku also requires at least three groups of sequences. Sometimes, a hand may be 1-shanten | Ittsuu requires three out of the four tile groups to be composed of sequences: 123, 456, and 789. Sanshoku also requires at least three groups of sequences. Sometimes, a hand may be 1-shanten for both yaku because of composition, forcing players to decide one or the other. | ||
==External links== | ==External links== | ||