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Pinfu: Difference between revisions
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In English, pinfu is sometimes referred to as "all sequences". However, the yaku is not as simple as that. There are hands that have all sequences and are not valid for pinfu. | In English, pinfu is sometimes referred to as "all sequences". However, the yaku is not as simple as that. There are hands that have all sequences and are not valid for pinfu. | ||
The exact definition of pinfu is a hand that has no [[fu]], other than the fu from winning. To score pinfu: | The exact definition of pinfu is a closed hand that has no [[fu]], other than the fu from winning. To score pinfu: | ||
*The hand must be closed. | *The hand must be closed. | ||
*The hand cannot have any triplets or quads - it must be all sequences. | *The hand cannot have any triplets or quads - it must be all sequences. | ||
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==Value== | ==Value== | ||
By definition, pinfu has less fu than other hands at the same han value. | By definition, pinfu has less fu than other hands at the same han value. Specifically, a pinfu ron has 30 fu, while a pinfu tsumo has 20 fu. Therefore, for hands below [[mangan]], pinfu results in less points than other yaku. | ||
To demonstrate: | |||
*Riichi + Pinfu ron (2 han 30 fu) = 2000 points | *Riichi + Pinfu ron (2 han 30 fu) = 2000 points | ||
*Riichi + Tanyao ron (2 han 40 fu) = 2600 points | *Riichi + Tanyao ron (2 han 40 fu) = 2600 points | ||
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==Usage== | ==Usage== | ||
Pinfu is one of the most common yaku. When developing a hand, players will naturally keep [[ryanmen]] shapes in their hand, due to their higher [[tile efficiency]]. In addition, sequences are easier to complete than triplets. Therefore, players looking to complete hands quickly | Pinfu is one of the most common yaku. When developing a hand, players will naturally keep [[ryanmen]] shapes in their hand, due to their higher [[tile efficiency]]. In addition, sequences are easier to complete than triplets. Therefore, players looking to complete hands quickly are likely to get pinfu. While it isn't as fast as [[tanyao]] or [[yakuhai]], because pinfu cannot be scored open, this yaku is still seen often. | ||
It naturally combines with other sequence based yaku, namely [[iipeikou]], [[sanshoku doujun]], and [[ittsuu]]. | It naturally combines with other sequence based yaku, namely [[iipeikou]], [[sanshoku doujun]], and [[ittsuu]]. | ||