Ryantan: Difference between revisions
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'''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''' {{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 == | == Pattern == | ||
===Ryantan=== | ===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=== | ===Pentan=== | ||
{{#mjt: 123456789m1112s}} Waiting for: {{#mjt: 2s}}, {{#mjt: 3}} | |||
{{#mjt: 123456789m8889s}} Waiting for: {{#mjt: 7s}}, {{#mjt: 8s}} | |||
===Tatsumaki=== | ===Tatsumaki=== | ||
Revision as of 22:36, 16 March 2024
| Kanji |
リャンタン ペンタン |
|---|---|
| Fu | Dependent |
| Tile types waiting | 3 or 2 sided wait |
| Tiles available | 11 tiles |
| Pattern example |
    |
Ryantan 「リャンタン」 and pentan 「ペンタン」 are 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
Waiting for: , 
,
Note: this hand will score pinfu if won on or . If won on the , the hand will have a triplet, thus invalidating the yaku.
Pentan
Waiting for: ,
Waiting for: 
,
Tatsumaki
External links
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