Ikkitsuukan: Difference between revisions

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(reword for clarity/conciseness. There's already an example for "possessing 1-9 =/= ittsu", so no need for another one.)
 
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=== With pinfu ===
=== With pinfu ===
[[Pinfu]] requires a [[machi|wait pattern]] consisting of [[ryanmen]] (open wait) or related waits like [[ryanmentan]] (three sided open). If a hand is waiting to complete the 1-9 pattern, a ryanmen wait would be subject to [[takame and yasume]]: only one tile would complete the ittsu.
[[Pinfu]] requires a [[machi|wait pattern]] consisting of [[ryanmen]] (open wait) or a related wait like [[ryanmenten]] (three sided open). If a hand is waiting to complete the 1-9 pattern, a ryanmen wait would be subject to [[takame and yasume]]: only one tile would complete the ittsu.


However, this problem is completely averted if the hand already contains the full 1-9 pattern, with a wait depending on the extra tile group.
However, this problem is completely averted if the hand already contains the full 1-9 pattern, with a wait depending on the extra tile group.


=== With honitsu and chinitsu ===
=== With honitsu and chinitsu ===
Ittsuu already contains nine tiles (1-9) of a single suit, so [[honitsu]] and [[chinitsu]] are easier to form. To form those yaku, the remaining four tiles (plus one winning tile) have to be composed of the same suit or an honor tile.
Ittsuu already contains nine tiles (1-9) of a single suit, so [[honitsu]] and [[chinitsu]] naturally combine with ittsuu. To form those yaku, the remaining four tiles (plus one winning tile) have to be composed of the same suit or an honor tile.


With closed hands, this combination produces some very powerful hands.  With honitsu, the hand produces [[mangan]]; while it is [[baiman]] with chinitsu.
With closed hands, this combination produces some very powerful hands.  With honitsu, the hand produces [[mangan]]; while it is [[baiman]] with chinitsu.
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