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Kanchan: Difference between revisions
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{{main|Fu}} | {{main|Fu}} | ||
Kanchan is awarded 2 fu upon winning | Kanchan is awarded 2 fu upon winning, thus disqualifying the hand from [[pinfu]]. | ||
==Ryankan== | ==Strategy== | ||
Kanchan is considered to be a "bad wait", because it can only wait for a maximum of 4 tiles. Therefore, they are worse for [[tile efficiency|hand development]]. Like the other bad waits, kanchan can be used to [[Suji#Offense|suji trap]] opponents. | |||
In general, ''inner'' kanchans > ''outer'' kanchans > [[penchan]]s when it comes to [[tile efficiency]]. See below for details. | |||
===Ryankan=== | |||
A '''ryankan''' ("double closed wait") is an extended form of a kanchan, only available before reaching tenpai. A ryankan shape is composed of three tiles that are each 2 apart, such as: | A '''ryankan''' ("double closed wait") is an extended form of a kanchan, only available before reaching tenpai. A ryankan shape is composed of three tiles that are each 2 apart, such as: | ||
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{{#mjt:12344m23789p246s}} | {{#mjt:12344m23789p246s}} | ||
With the example hand above, if you drew {{#mjt:1p}}, you would have to discard either {{#mjt:2s}} or {{#mjt:6s}} to enter tenpai. You end up with a bad wait, but with one | With the example hand above, if you drew {{#mjt:1p}}, you would have to discard either {{#mjt:2s}} or {{#mjt:6s}} to enter tenpai. You end up with a bad wait, but with one significant advantage - a ryankan always forms a [[Suji#Offense|suji trap]]. Here, if you discarded the 6s, you would wait on the suji 3s, thus making it more likely for others to deal in. This is why a suji of the [[riichi]] declaration tile is considered more dangerous. | ||
===Inner vs Outer Kanchan=== | ===Inner vs Outer Kanchan=== | ||
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*A {{#mjt:35p}} kanchan can be upgraded by drawing {{#mjt:2p}} (turning into {{#mjt:23p}}) OR {{#mjt:6p}} (turning into {{#mjt:56p}}). It can also be turned into a [[#Ryankan|ryankan]] when drawing either {{#mjt:1p}} or {{#mjt:7p}}. | *A {{#mjt:35p}} kanchan can be upgraded by drawing {{#mjt:2p}} (turning into {{#mjt:23p}}) OR {{#mjt:6p}} (turning into {{#mjt:56p}}). It can also be turned into a [[#Ryankan|ryankan]] when drawing either {{#mjt:1p}} or {{#mjt:7p}}. | ||
*A {{#mjt:24p}} kanchan can only be upgraded by drawing {{#mjt:5p}}. It can be turned into a ryankan when drawing {{#mjt:6p}} only. | *A {{#mjt:24p}} kanchan can only be upgraded by drawing {{#mjt:5p}} (turning into {{#mjt:45p}}). It can be turned into a ryankan when drawing {{#mjt:6p}} only. | ||
An inner kanchan can be upgraded by twice the amount of tiles, so inner kanchans are overall stronger. Note that an inner kanchan waits on a middle tile. | An inner kanchan can be upgraded by twice the amount of tiles, so inner kanchans are overall stronger. Note that an inner kanchan waits on a middle tile. As middle tiles are harder to win with, an inner kanchan is worse to keep at [[tenpai]] than an outer one. | ||
===Kanchan vs Penchan=== | ===Kanchan vs Penchan=== | ||