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Chiitoitsu: Difference between revisions
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==Value== | ==Value== | ||
By default, this hand is always given 25 fu. In addition, a chiitoitsu [[tenpai]] always uses a [[Machi#Tanki|tanki machi]] (wait). Normally, that wait pattern is awarded 2 fu but not in this case. Finally, the 25 fu number is not rounded up to 30 fu. In turn, the scoring table produces an independent set of point exchanges applied to chiitoitsu hands. Although, the 25 fu column is equivalent to 50 fu numbers. | {{main|Scoring table}} | ||
By default, this hand is always given 25 fu. In addition, a chiitoitsu [[tenpai]] always uses a [[Machi#Tanki|tanki machi]] (wait). Normally, that wait pattern is awarded 2 fu but not in this case. Finally, the 25 fu number is not rounded up to 30 fu. In turn, the scoring table produces an independent set of point exchanges applied to chiitoitsu hands. Although, the 25 fu column is equivalent to 50 fu numbers. Once a chiitoitsu hand is valued at 5 han or greater, then it is counted for [[mangan]] or greater. | |||
{| class="wikitable" width=70% | |||
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!width=25%| Position !! 2 han !! 3 han !! 4 han | |||
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| {{Score cell|tsumo=Non-dealer tsumo|ron=Non-dealer ron}}||align=center|{{Score cell|tsumo=400/800|ron=1600}}||align=center| {{Score cell|tsumo=800/1600|ron=3200}}||align=center|{{Score cell|tsumo=1600/3200|ron=6400}} | |||
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| {{Score cell|tsumo=Dealer tsumo|ron=Dealer ron}}||align=center|{{Score cell|tsumo=800|ron=2400}}||align=center|{{Score cell|tsumo=1600|ron=4800}}||align=center|{{Score cell|tsumo=3200|ron=9600}} | |||
High scoring chiitoitsu hands are possible without dora. The highest possible involves riichi, ippatsu, tsumo, tanyao, and chinitsu. Add the 2 han for chitoitsu, this combination brings the hand to a whopping 12 han. Then add haitei or houtei, then such a hand becomes a [[kazoe yakuman]]. The hand 22334455667788 pinzu contains chiitoitsu, but it's more advantageous to count it as ryanpeiko and pinfu. In some [[rule variations#Daisharin|rule variations]], this hand is an optional yakuman, known as "daisharin". | High scoring chiitoitsu hands are possible without dora. The highest possible involves riichi, ippatsu, tsumo, tanyao, and chinitsu. Add the 2 han for chitoitsu, this combination brings the hand to a whopping 12 han. Then add haitei or houtei, then such a hand becomes a [[kazoe yakuman]]. The hand 22334455667788 pinzu contains chiitoitsu, but it's more advantageous to count it as ryanpeiko and pinfu. In some [[rule variations#Daisharin|rule variations]], this hand is an optional yakuman, known as "daisharin". | ||
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Since all tiles in this yaku must be in pairs, then dora tiles also occur in pairs. If dora is involved, then at minimum, this yaku may possess at least 2 dora. The notable exception stems from the use of red dora, which appear as singles in their own right. | Since all tiles in this yaku must be in pairs, then dora tiles also occur in pairs. If dora is involved, then at minimum, this yaku may possess at least 2 dora. The notable exception stems from the use of red dora, which appear as singles in their own right. | ||
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==Formation== | ==Formation== | ||