Ittsuu vs sanshoku: Difference between revisions
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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 | [[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 [[ | 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 | 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 | 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]] | ||
Revision as of 04:16, 13 April 2023
The two yaku ittsuu and sanshoku are not compatible, because the hand does not have enough 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
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 combinations. In the case of tanyao, then sanshoku may be favored as ittsuu utilizes terminals.
Frequency difference
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.