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Ryantan and pentan: Difference between revisions
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add examples, put ryantan above pentan, note that this is a wait to complete a pair
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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=== | ||