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Pinfu: Difference between revisions
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*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. | ||
*The pair cannot be composed | *The pair cannot be composed of [[yakuhai]] - the pair cannot be the round wind, seat wind, or a dragon. | ||
*The hand must have a [[ryanmen]] [[wait]]. A ryanmen wait is two consecutive tiles waiting to complete either side of sequence, such as {23} or {45}. | *The hand must have a [[ryanmen]] [[wait]]. A ryanmen wait is two consecutive tiles waiting to complete either side of sequence, such as {23} or {45}. | ||
**The pair must be complete before reaching tenpai. This means that | **The pair must be complete before reaching tenpai. This means that a "two-sided" [[nobetan]] wait does not count, it has to be a wait to complete a sequence. | ||
**[[Complex waits]] can score pinfu if they are composed off of ryanmen waits. Therefore, a [[sanmenchan]] wait always counts as ryanmen. [[Ryantan]] counts if you win by completing the sequence (e.g. a wait of {4555} only scores pinfu if you win with 3 or 6). | **[[Complex waits]] can score pinfu if they are composed off of ryanmen waits. Therefore, a [[sanmenchan]] wait always counts as ryanmen. [[Ryantan]] counts if you win by completing the sequence (e.g. a wait of {4555} only scores pinfu if you win with 3 or 6). | ||
If you know how fu is scored, the requirements for pinfu make sense. Triplets and quads score at least 2 fu each. A yakuhai pair scores 2 fu. A non-ryanmen wait scores 2 fu. Therefore, | If you know how fu is scored, the requirements for pinfu make sense. Triplets and quads score at least 2 fu each. A yakuhai pair scores 2 fu. A non-ryanmen wait scores 2 fu. Therefore, by having a closed hand that avoids all extra sources of fu, you gain pinfu. Pinfu ''is'' allowed to score the 10 fu from winning from a closed [[ron]]. | ||
As an exception, pinfu does not score fu from [[tsumo]] (win from self draw). Normally, a win by self draw is worth 2 fu. When a hand wins with pinfu, these 2 fu are waived. Thus, a pinfu tsumo is worth 20 fu, though it gains +1 han from [[menzen tsumo]]. | As an exception, pinfu does not score fu from [[tsumo]] (win from self draw). Normally, a win by self draw is worth 2 fu. When a hand wins with pinfu, these 2 fu are waived. Thus, a pinfu tsumo is worth 20 fu, though it gains +1 han from [[menzen tsumo]]. | ||