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Pinfu: Difference between revisions
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To understand pinfu, players must understand the nature of '''fu''', or mini-points. Fu are a set of points associated with hand composition. In the case of pinfu, the relevant sources of fu comes from the tile groups and the wait patterns. The only wait pinfu gains fu involves the 10 fu gained from winning with a closed ron | To understand pinfu, players must understand the nature of '''fu''', or mini-points. Fu are a set of points associated with hand composition. In the case of pinfu, the relevant sources of fu comes from the tile groups and the wait patterns. The only wait pinfu gains fu involves the 10 fu gained from winning with a closed ron. | ||
Therefore, pinfu must avoid these patterns: | Therefore, pinfu must avoid these patterns: | ||
* Any koutsu or kantsu is worth at least 2 fu. A pinfu hand must have four shuntsu. | * Any koutsu or kantsu is worth at least 2 fu. A pinfu hand must have four shuntsu. | ||
* Winning from a [[Tanki|tanki]], [[Kanchan|kanchan]], or [[Penchan|penchan]] wait is worth 2 fu | * Winning from a [[Tanki|tanki]], [[Kanchan|kanchan]], or [[Penchan|penchan]] wait is worth 2 fu. | ||
* A pair of [[Yakuhai|yakuhai]], i.e., dragons, the round wind, or the seat wind, is worth 2 fu. A pinfu hand must have a valueless pair. | * A pair of [[Yakuhai|yakuhai]], i.e., dragons, the round wind, or the seat wind, is worth 2 fu. A pinfu hand must have a valueless pair. | ||
* An open hand worth 20 fu is counted as 30 fu. Pinfu may only be awarded to a closed hand. | * An open hand worth 20 fu is counted as 30 fu. Pinfu may only be awarded to a closed hand. | ||
In the end, a pinfu | In the end, a pinfu hand must win from a [[Ryanmen|ryanmen]] or [[ryanmenten]] wait. In other words, the winning tile must complete an open [[shuntsu]] (sequence). | ||
As an exception, pinfu with [[mentsumo]] gains 0 fu from tsumo, or winning by self-draw. Normally, a winning tile drawn from the wall is worth 2 fu. In turn, the hand qualifies as pinfu, and these 2 fu are waived. The hand is then scored at 20 fu; and at least 2 han for [[Menzen tsumo|menzen tsumo]] and pinfu. Some rule variations may not allow waiving these fu, and score such a hand as 30 fu, tsumo, without pinfu. Such variations are rare. | |||
==Compatability== | ==Compatability== | ||