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Ittsuu vs sanshoku: Difference between revisions
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Ittsuu and sanshoku require 3 specific sequences. They are both worth 2 han closed, and 1 han open. | Ittsuu and sanshoku require 3 specific sequences. They are both worth 2 han closed, and 1 han open. | ||
According to monthly data in [[Tenhou.net]], sanshoku is around twice as frequent as ittsu. This is due to a few reasons: | |||
*It is easier to make a 345 sequence than a 123 sequence. To make 345, a player can have {34, 35, 45} in hand. To make 123, a player can only have {12, 23} in hand. | *It is easier to make a 345 sequence than a 123 sequence. To make 345, a player can have {34, 35, 45} in hand. To make 123, a player can only have {12, 23} in hand. | ||
*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 ittsuu. | ||
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]]. | ||