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Tenhou and chiihou: Difference between revisions
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'''Tenhou''' {{kana|天和}} is a [[List of yaku#Yakuman|yakuman]] obtained by the dealer completing the hand on the first tile draw. In other words, the hand wins before the first tile discard. Any combination of 14 tiles that can win can score tenhou. Declaring [[kan]] (or [[kita]] in [[sanma]]) will invalidate the yakuman. | '''Tenhou''' {{kana|天和}} is a [[List of yaku#Yakuman|yakuman]] obtained by the dealer completing the hand on the first tile draw. In other words, the hand wins before the first tile discard. Any combination of 14 tiles that can win can score tenhou. Declaring [[kan]] (or [[kita]] in [[sanma]]) will invalidate the yakuman. | ||
'''Chiihou''' {{kana|地和}} is similar to tenhou, except it is won by non-dealers. In addition, any [[naki|tile call]] made by other players will invalidate chiihou. By definition, both yakuman can only win by tsumo; [[ron]] is not allowed. | '''Chiihou''' {{kana|地和}} is similar to tenhou, except it is won by non-dealers winning on the first draw. In addition, any [[naki|tile call]] made by other players will invalidate chiihou. By definition, both yakuman can only win by tsumo; [[ron]] is not allowed. | ||
==Formation== | ==Formation== | ||
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==Renhou== | ==Renhou== | ||
{{Main|Renhou | {{Main|Renhou}} | ||
A related [[optional yaku]] is '''renhou'''. Assuming this yaku is used: if a player wins via ron before their first draw, and before any calls, then this yaku(man) is scored. Depending on rule variation, it may score as a [[mangan]] (or other value), not a yakuman. | |||
==Probability== | ==Probability== | ||