Ittsuu vs sanshoku: Difference between revisions

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Correct ittsuu spelling
m (2jpark moved page Ittsu vs sanshoku to Ittsuu vs sanshoku: Ittsuu incorrectly romanized)
m (Correct ittsuu spelling)
 
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[[Image:Ittsusanshoku1.png|right|thumb|250px|Hand state, where viability of [http://tenhou.net/0/?log=2018102617gm-0029-0000-682f0833&tw=2&ts=5 either yaku is available].]]
[[Image:Ittsusanshoku1.png|right|thumb|250px|Hand state, where viability of [http://tenhou.net/0/?log=2018102617gm-0029-0000-682f0833&tw=2&ts=5 either yaku is available].]]
[[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 ittsu.]]
[[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.]]
The two yaku [[ittsu]] and [[sanshoku]] are not compatible, because the hand does not have enough [[Mentsu|tile groupings]] to accommodate both yaku.  In turn, this forces players to choose one over the other in the event both are viable during the course of a hand.
The two yaku [[ittsuu]] and [[sanshoku]] are not compatible, because the hand does not have enough [[Mentsu|tile groupings]] to accommodate both yaku.  In turn, this forces players to choose one over the other in the event both are viable during the course of a hand.


== Value ==
== Value ==
When closed or open, both produce the same amount of han: one while open, or two while closed.  Therefore, the value question is somewhat irrelevant.  The balance then stems on the other [[Yaku compatibility|yaku combinations]].  In the case of [[tanyao]], then sanshoku may be favored as ittsu utilizes [[routouhai|terminals]].
When closed or open, both produce the same amount of han: one while open, or two while closed.  Therefore, the value question is somewhat irrelevant.  The balance then stems on the other [[Yaku compatibility|yaku combinations]].  In the case of [[tanyao]], then sanshoku may be favored as ittsuu utilizes [[routouhai|terminals]].


== Frequency difference ==
== Frequency difference ==
According to monthly data in [[Tenhou.net]], sanshoku occurs a little more than double than ittsu.  This is due to the wider number range across the three suits rather than depending on an entire 1-9 sequence of one suit.
According to monthly data in [[Tenhou.net]], sanshoku occurs a little more than double than ittsuu.  This is due to the wider number range across the three suits rather than depending on an entire 1-9 sequence of one suit.


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