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| ===Fu=== | | ===Fu=== |
| {{Main|Fu}} | | {{Main|Fu}} |
| Fu starts at 20 fu. It is then determined by:
| | All hands start with a base of 20 fu. Then, a hand may increase fu by: |
| | *Having [[triplet]]s and/or [[kan]] calls |
| | *Having a [[kanchan]], [[penchan]], or [[tanki]] wait |
| | *Having a pair of [[yakuhai]]. |
| | *Winning by [[tsumo]] or closed hand [[ron]]. |
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| *The type and number of [[triplet]]s and [[kan]] calls.
| | (See the [[fu]] article for exact details). |
| **Each triplet is worth a base of 4 fu, half if an [[naki|open]] triplet, double if a [[terminal]] or [[honor]] tile.
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| **Each kan is worth a base of 16 fu, half if an open kan, double if a terminal or honor tile.
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| **Note: a win by [[ron]] opens the triplet, reducing the fu count.
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| *The [[Machi|wait]] of the hand. [[Tanki]], [[kanchan]], and [[penchan]] waits are worth +2 fu. The others are worth +0 fu.
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| *If the hand has a [[yakuhai]] pair. A pair of yakuhai ([[dragon]]s, round wind, seat wind) are worth +2 fu. A pair of a wind that is both round + seat wind is often worth +4 fu, but some rules score it as +2 fu.
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| *Method of winning. Tsumo is +2 fu unless [[pinfu]]. A closed hand ron is +10 fu. Open hand ron is 0 fu.
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| *Special cases: [[Chiitoitsu]] is always set to 25 fu. An open hand with 20 fu is bumped up to 30 fu.
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| Finally, fu is rounded up to the next interval of 10 fu, unless it is chiitoitsu. This rounding makes it easier to memorize the hand values.
| | After calculating fu, the fu count is rounded up to the next interval of 10 fu, unless it is chiitoitsu. For example, a hand with 32 fu is rounded to 40 fu. This rounding makes it easier to memorize the hand values. |
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| == Common Fu Values == | | == Common Fu Values == |