Ittsuu vs sanshoku: Difference between revisions

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[[Image:Ittsusanshoku2.png|right|thumb|250px|A [https://mahjongsoul.game.yo-star.com/?paipu=190610-88da9112-5408-42a0-9e91-981865cbf401_a925632600 choice given] between two forms of sanshoku (123 or 234) and ittsuu.]]
[[Image:Ittsusanshoku2.png|right|thumb|250px|A [https://mahjongsoul.game.yo-star.com/?paipu=190610-88da9112-5408-42a0-9e91-981865cbf401_a925632600 choice given] between two forms of sanshoku (123 or 234) and ittsuu.]]


[[Ittsuu]] and [[sanshoku doujun]] are similar but incompatible [[yaku]], because hand does not have enough [[mentsu|space]] for both yaku. When a hand has the potential to score one or the other, a player must choose which to aim for.
[[Ittsuu]] and [[sanshoku doujun]] are similar but incompatible [[yaku]], because hand does not have enough [[mentsu|space]] for both. When a hand has the potential to score one or the other, a player must choose which to aim for.


==Formation==
==Formation==
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*Players prefer middle tiles over terminals for [[tile efficiency]] reasons. This means they are more likely to have a 34 or 45 [[ryanmen]] than a 12 [[penchan]] or 23 ryanmen. Thus, it is easier to "incedentially" form sanshoku than it is  
*Players prefer middle tiles over terminals for [[tile efficiency]] reasons. This means they are more likely to have a 34 or 45 [[ryanmen]] than a 12 [[penchan]] or 23 ryanmen. Thus, it is easier to "incedentially" form sanshoku than it is  


Also, sanshoku is compatible with [[tanyao]] and [[chanta]]/[[junchan]], while ittsu is compatible with [[honitsu]]/[[chinitsu]].
Sanshoku is compatible with [[tanyao]] and [[chanta]]/[[junchan]], while ittsu is compatible with [[honitsu]]/[[chinitsu]].
 
==Decision==
Typically, it is best to go for the yaku that is easier to confirm / takes less steps to confirm. If a hand is one tile away from ittsuu, but two tiles from sanshoku, then it should obviously go for ittsu all else equal.
 
Other than that, consider what other yaku the hand can achieve. A hand that can score [[pinfu]], and can choose between a 12 penchan (for ittsu) or 45 ryanmen (For sanshoku), should pick sanshoku to guarantee pinfu.


== External links ==
== External links ==
[[Category:Yaku]]
[[Category:Yaku]]
[[Category:Strategy]]
[[Category:Strategy]]
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