Iipeikou: Difference between revisions

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extra clarify the conditions for iipeikou
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(extra clarify the conditions for iipeikou)
 
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|gameExample = * [http://tenhou.net/0/?log=2014011309gm-0009-7447-f766aece&tw=0&ts=4 Iipeikou] with [[damaten]]
|gameExample = * [http://tenhou.net/0/?log=2014011309gm-0009-7447-f766aece&tw=0&ts=4 Iipeikou] with [[damaten]]
}}
}}
'''Iipeikou''' {{kana|一盃口}} is a standard [[yaku]] involving two identical [[mentsu#Shuntsu|sequences]]. Identical means that both [[shuntsu]] must be of the same numbers and suit. This yaku also requires the hand to be closed. A single [[naki|open call]] invalidates the yaku, even if the pattern exists within the hand. If this pattern is found twice in one hand, an alternative yaku, [[ryanpeikou]], is scored.
'''Iipeikou''' {{kana|一盃口}} is a standard [[yaku]] involving two identical [[mentsu#Shuntsu|sequences]]. Identical means that both [[shuntsu]] must be of the same numbers and suit. This yaku also requires the hand to be closed. Any [[naki|open call]] ruins the yaku, even if the pattern already existed within the hand. If this pattern is found twice in one hand, an alternative yaku, [[ryanpeikou]], is scored.


==Tile pattern==
==Tile pattern==
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==Formation==
==Formation==
This yaku is usually presented as three groups of consecutive pairs. However, the rule interpretation views them as a two [[shuntsu|sequences]].  Potential acquisition of this yaku is best recognizable when five out of the six tiles are present in the hand.
This yaku usually appears as three groups of consecutive pairs. However, the rule interpretation views them as a two [[shuntsu|sequences]].  Potential acquisition of this yaku is best recognizable when five out of the six tiles are present in the hand.
 
Note that iipeikou requires the hand to be closed. If you make any open call (chii/pon/open kan), iipeikou can never be scored, even if the call was unrelated to the identical sequences. However, the ''sequences'' do not have to be closed: if you declare [[ron]] with a closed hand, iipeikou can still be scored, even if the winning tile completed the 2nd identical sequence.


=== Compatibility ===
=== Compatibility ===
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