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| === Fu === | | === Fu === |
| | {{main|Fu}} |
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| '''Fu''' {{kana|符}} (''pronounced as foo'') takes the hand composition into consideration in terms of [[mentsu|tile melds]], [[machi|wait patterns]] and/or win method. In addition, every hand begins with a default start value of 20 fu. To determine the final number of ''fu'', the sources of fu are added up along with the base number and then rounded up to the nearest 10. One exception falls on the [[chii toitsu]] yaku, which is set to 25 fu by default. | | '''Fu''' {{kana|符}} (''pronounced as foo'') takes the hand composition into consideration in terms of [[mentsu|tile melds]], [[machi|wait patterns]] and/or win method. In addition, every hand begins with a default start value of 20 fu. To determine the final number of ''fu'', the sources of fu are added up along with the base number and then rounded up to the nearest 10. One exception falls on the [[chii toitsu]] yaku, which is set to 25 fu by default. |
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| Fu factors into the following elements:
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| ====Tile groups====
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| For shuntsu (sequences), the fu count is 0. For koutsu (triplet) and kantsu (four-of-a-kind), the fu value depends on whether they are tanyaohai (simples) or jihai/routouhai (honor/terminals).
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| {| class="wikitable" width=40%
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| ! width=25%|English !! width=25%| Romaji !! width=25%| Simples !! width=25%| Honor/Terminal
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| | Open triplet || [[Mentsu|Minkou]] ||align=center| 2 fu ||align=center| 4 fu
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| | Open kan || [[Kan|Minkan]] ||align=center| 8 fu ||align=center| 16 fu
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| |-
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| | Closed triplet || [[Mentsu|Ankou]] ||align=center| 4 fu ||align=center| 8 fu
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| |-
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| | Closed kan || [[Kan|Ankan]] ||align=center| 16 fu ||align=center| 32 fu
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| |}
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| ====Waits====
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| The different [[machi|basic wait patterns]] count for fu as well. Other wait patterns not listed include [[nobetan]] and [[ryanmenten]]. Nobetan counts for a [[tanki]]; and ryanmenten counts for [[ryanmen]]. Other combination patterns factor fu the same as the basic patterns listed here. However, the fu counts only one time. For example, a combination of tanki and [[kanchan]] only generates 2 fu from one pattern but not for both.
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| As for [[shanpon]], the fu generated with this pattern rests on the [[koutsu|tile groupings]] themselves as indicated in the above table.
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| {| class="wikitable"
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| ! English !! Romaji !! Fu value
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| | Open wait || [[Ryanmen]] ||align=center| 0 fu
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| | Closed wait || [[Kanchan]] ||align=center| 2 fu
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| | Edge wait || [[Penchan]] ||align=center| 2 fu
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| | Pair wait || [[Tanki]] ||align=center| 2 fu
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| |}
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| ====Winning condition====
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| * Winning with a closed hand by ron, the hand is awarded 10 fu. These 10 fu are called ''menzen-kafu'' and do not count against the player for achieving [[pinfu]].
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| * A win by tsumo with an open or closed hand is worth 2 fu.
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| * An exception to the fu for tsumo is a closed hand that satisfies all other criteria for [[pinfu]]. Such a hand does not score 2 fu for tsumo and instead gains the han for pinfu.
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| * An open hand won by ron without any fu from koutsu or the waiting pattern gains 2 fu. This makes all open hands ineligible for pinfu.
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| == Scoring procedure == | | == Scoring procedure == |