Chuuren poutou: Difference between revisions
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Chuuren is a yakuman hand. Some rules award a double yakuman instead when the hand goes out from the 9-sided wait. | Chuuren is a yakuman hand. However, while tenpai, some tile waits may actually award the hand for a considerably less value of haneman, as a closed chinitsu. Some rules award a double yakuman instead when the hand goes out from the 9-sided wait. | ||
{{yaku value|width = | {{yaku value|width = 60% |align = | ||
<!--Minimum for ron--> | <!--Minimum for ron--> | ||
| comment1 = Single tile wait | | comment1 = Single tile wait | ||
| ronhanfumin = | | ronhanfumin = Chinitsu<br>Haneman | ||
| ronnondealermin = | | ronnondealermin = 12000 | ||
| rondealermin = | | rondealermin = 18000 | ||
<!--Minimum for tsumo--> | <!--Minimum for tsumo--> | ||
| comment2 = Single tile wait | | comment2 = Single tile wait | ||
| tsumohanfumin = | | tsumohanfumin = Chinitsu<br>Haneman | ||
| tsumonondealermin = | | tsumonondealermin = 3000/6000 | ||
| tsumodealermin = | | tsumodealermin = 6000 all | ||
<!--Maximum for ron--> | <!--Maximum for ron--> | ||
| comment3 = If Pure Chuuren is double | | comment3 = If Pure Chuuren is double | ||
Revision as of 09:01, 28 February 2014
| Type | Yakuman |
|---|---|
| Kanji |
九連宝燈 純正九蓮宝燈 |
| English |
Nine gates Pure nine gates |
| Value | Yakuman (closed only) |
| Speed | Very slow |
| Difficulty | Very hard |
Chuuren poutou (九連宝燈) is a yakuman. It contains the 13-tile pattern 1-1-1-2-3-4-5-6-7-8-9-9-9 of the same suit, plus any one more tile from the suit. A chuuren poutou tenpai with the specific pattern already in place has a 9-sided wait, the winning hand is then called junsei chuuren poutou (純正九蓮宝燈).
The 13-tile pattern generates a 9-sided wait even as a normal hand with four sets and a pair. Chuuren poutou is therefore no hand shape exception, unlike chii toitsu and kokushi musou.
Tile pattern
Regular
Agari: 
- Note: This hand can also win with
. However, that would downgrade the hand to a mere chinitsu.
Nine tile wait
Agari: Any pinzu 1 through 9.
Value
Chuuren is a yakuman hand. However, while tenpai, some tile waits may actually award the hand for a considerably less value of haneman, as a closed chinitsu. Some rules award a double yakuman instead when the hand goes out from the 9-sided wait.
| Han/Fu | Ron | Han/Fu | Tsumo | ||
|---|---|---|---|---|---|
| Non-dealer | Dealer | Non-dealer | Dealer | ||
| Single tile wait | Single tile wait | ||||
| Chinitsu Haneman |
12000 | 18000 | Chinitsu Haneman |
3000/6000 | 6000 all |
| If Pure Chuuren is double | If Pure Chuuren is double | ||||
| Yakuman 2x | 64000 | 96000 | Yakuman 2x | 16000/32000 | 32000 all |
Development
The key to this yakuman is the possession of ankou of both 1's and 9's of one suit. If two of either group of tiles are not available, then any attempt at this yakuman is no longer possible. Of course, that is in addition to the collection of a string consisting of 2-8 tiles of the same suit. Since this hand uses a single suit, it overlaps chinitsu during development. In fact, many tenpai formations may result in chinitsu, rather than the yakuman. This is due to the ability of chinitsu to form some complicated waits.
Sample tenpai configurations
| Row | Tenpai | Yakuman | Chinitsu | Machi |
|---|---|---|---|---|
| Pure |          |
Any | None | |
| 1-A | |
|
|
Shanpon, Penchan |
| 1-B |          |
|
|
Kanchan, Ryanmen |
| 1-C | |
|
|
Shanpon, Sanmentan |
External links
- Chuuren poutou in Japanese Wikipedia
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