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Ryantan and pentan: Difference between revisions
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'''Ryantan''' and '''pentan''' are [[Machi#Named_combinations|combination waits]], which involve a triplet and an adjacently appended numbered tile. The tile combinations for both appear identical. However, pentan involves [[terminals]], where as ryantan does not. | {{infobox machi | ||
|kanji =リャンタン<br>ペンタン | |||
|english = | |||
|fu = Dependent | |||
|type = 3 or 2 | |||
|available = 11 | |||
|tilePattern = {{#mjt:2333p}}<br>{{#mjt:8889m}} | |||
|gameExample = | |||
}} | |||
'''Ryantan''' {{kana|リャンタン}} and '''pentan''' {{kana|ペンタン}} are [[Machi#Named_combinations|combination waits]], which involve a triplet and an adjacently appended numbered tile. The tile combinations for both appear identical. However, pentan involves [[terminals]], where as ryantan does not. | |||
Ryantan is a combination of [[ryanmen]] and [[tanki]]. It involves a triplet from 2-8 and an adjacent tile that is also from 2-8. The terminals are excluded for this combination. For example, with a 2223 ryantan, the wait can be seen as either a pair and ryanmen (22 + 23), or a triplet and tanki (222 + 3), for a wait of 1-4 and 3. | |||
Pentan is a combination of [[penchan]] and tanki. The converse of ryantan, it can occur in two ways. The triplet can be composed of terminals, or the adjacent tile can be a terminal. | |||
In order to reach [[tenpai]] with ryantan or pentan, no other pairs must be in your hand. In other words, these should be considered as waits to complete the pair. If you already have a "stable" pair (i.e. a pair that cannot be used for other shapes), these patterns should be seen as a triplet and an extra floating tile. | |||
== Pattern == | |||
===Ryantan=== | |||
{{#mjt: 123456789m4445p}} Waiting for: {{#mjt: 3p}}, {{#mjt: 6p}}, {{#mjt: 5p}} | |||
Note: this hand will score [[pinfu]] if won on {{#mjt: 3p}} or {{#mjt: 6p}}. If won on the {{#mjt: 5p}}, the hand will have a triplet, thus invalidating the yaku. | |||
===Pentan=== | |||
{{#mjt: 123456789m1112s}} Waiting for: {{#mjt: 2s}}, {{#mjt: 3s}} | |||
{{#mjt: 123456789m8889s}} Waiting for: {{#mjt: 7s}}, {{#mjt: 9s}} | |||
===Tatsumaki=== | |||
{{Main|Tatsumaki}} | |||
Tatsumaki can be viewed as two ryantan waits fused together. It consists of two triplets that are 2 ranks apart, and one floating tile between the triplets. | |||
{{machi | |||
|pattern = 000z4445666p000z | |||
|tilewaits = 34567p | |||
}} | |||
Note: when this pattern wins on either triplet tile (in this example, {{#mjt: 4p}} or {{#mjt: 6p}}), the hand can complete a [[shanpon]] wait instead of a [[ryanmen]] wait. This can be important as the shanpon wait gives more [[fu]], and possibly gives [[sanankou]]. | |||
==External links== | |||
[[Category:Terminology]] | |||
[[Category:Machi]] | |||
{{navbox machi}} | |||