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| ==Kuisagari== | | ==Kuisagari== |
| {{main|List of yaku}} | | {{main|Menzenchin#Yaku}} |
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| '''Kuisagari''' {{kana|喰い下がり}} is a property of some yaku to lose value when [[naki|called open]]. When calling a discard and opening the hand, the player sacrifices 1-han per yaku affected by this rule. This is obviously a negative, though calling allows you to complete the hand faster. | | '''Kuisagari''' {{kana|喰い下がり}} is a property of some yaku to lose value when [[naki|called open]]. When the hand is open, these yaku lose 1 han each: |
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| The following yaku are affected directly by kuisagari:
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| {| class="wikitable" width=50% | | {| class="wikitable" width=50% |
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| Similarly, some yaku can only be scored with a closed hand. Certain yaku, like [[chiitoitsu]] and [[mentsumo]], are closed based on their structure or nature. Other yaku, like [[iipeikou]], the requirement of a closed hand is entirely artificial. Unlike instances of kuisagari, you cannot use these yaku to fulfill the yaku requirement of an open hand: these are not considered 0 han yaku. For [[ryanpeikou]] in particular, if it were affected by kuisagari, it would score 2 han when opened. But in actuality, you cannot achieve ryanpeikou at all with an open hand.
| | Some yaku can only be scored in a closed hand (distinct from kuisagari). For example, [[ryanpeikou]] is impossible to score with an open hand, rather than just dropping from 3 -> 2 han. The other yaku can be scored open without penalty. |
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| Finally, some yaku are not affected by kuisagari. Even when open, they retain their original han value. These are [[yakuhai]], [[toitoi]], [[sanankou]], [[sanshoku doukou]], [[shousangen]], [[sankantsu]], as well as any [[yakuman]] that can be scored with an open hand.
| | ==Atozuke== |
| | {{main|Atozuke}} |
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| ===Atozuke===
| | '''Atozuke''' is when a hand has no guaranteed yaku, but can gain yaku if won with a certain tile. This means some times cannot be won off of due to a lack of yaku. |
| {{main|Atozuke}} | | |
| | Example: |
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| | {{#mjt:111m456789s99p55z}} Agari: {{#mjt:9p}} or {{#mjt:5z}} |
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| A side effect to kuisagari involves '''atozuke'''. Tile calls may put a hand into position where one of its waiting tiles do not produce valid yaku. With this in mind, tile calls must be made with careful discretion.
| | If the hand obtains the [[haku]], it gains the yaku of [[yakuhai]]. If it obtains the 9-pin, it cannot win due to a lack of yaku. |
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| == Closed tile calls == | | == Closed tile calls == |