Nagashi mangan: Difference between revisions

shorten the intro (move it to "scoring nagashi mangan")
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(shorten the intro (move it to "scoring nagashi mangan"))
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'''Nagashi mangan''' {{kana|流し満貫}} is a special [[yaku]]. It operates just like [[ryuukyoku]] but the point exchange is larger.  As the name implies, the amount of [[mangan]] is exchanged.  Unlike all other possible hands, this yaku emphasizes the discards, rather than the hand itself.  In fact, this yaku may be scored with a noten hand.  As for the [[Jikaze|dealer rotation]], only the dealer's hand matters in relation to [[tenpai]].  Even if the dealer loses points due to nagashi mangan, the seating may be retained if the hand is in tenpai.  That is assuming the rule of tenpai-[[renchan]], as opposed to agari-renchan.
'''Nagashi mangan''' {{kana|流し満貫}} is a special [[yaku]]. Unlike other yaku, it is scored based off your discards, rather than the hand itself.


== Scoring nagashi mangan ==
== Scoring nagashi mangan ==
This yaku has specific conditions for qualification:
In order to score nagashi mangan:


* The hand must play all the way to [[ryuukyoku]], which means no one must win a hand before all the tiles are drawn.
* The hand must play all the way to [[ryuukyoku]], meaning no one can win before all the tiles have been drawn.
* Every discard of the player must be a terminal or an honor tile.
* Every discard of the player must be a [[terminal]] or an [[honor]] tile.
* No tiles may have been called from the player's own discard pile.
* No tiles may have been called from the player's own discard pile.
* Upon reaching ryuukyoku, the player does not need a hand in [[tenpai]].  If the dealer is in tenpai, then the wind seating does not rotate; but it does otherwise.


As the name implies, successful execution of nagashi mangan rewards the player in the amount of a [[mangan]] tsumo. If multiple players win with nagashi mangan, the different tsumo payments occur independently of each other. For instance, if East and South complete nagashi mangan, then their payments to each other will cancel out, and North and West will each pay 4000 to East and 2000 to South.
As the name implies, a successful execution of nagashi mangan rewards the player in the amount of a [[mangan]] tsumo. This cancels out the regular tenpai settlements for ryuukyoku.


== Timing at ryuukyoku ==
A player does not need a [[tenpai]] hand to score this yaku. The player with nagashi mangan may call tiles unless specific rules state otherwise. If the dealer is in tenpai, their seating is retained, even if they weren't the one to get a nagashi mangan (assuming the rule of tenpai-[[renchan]] is used).


When the wall is empty and the last discard has not been called for a win, special rulesets may differ on the exact procedure to score nagashi mangan per [[Rule variations|house rules]].
If multiple players win with nagashi mangan, the different tsumo payments occur independently of each other. For instance, if East and South complete nagashi mangan, then their payments to each other will cancel out, and North and West will each pay 4000 to East and 2000 to South.


* Some rules score nagashi mangan like a win, before players reveal tenpai hands. [[Honba]] increase the payment, and the winner collects any riichi sticks on the table. The noten penalty is cancelled and noten riichis are not punished with [[chombo]]. Hand progression depends on whether East has won with nagashi mangan.
== Timing at ryuukyoku ==
* Some rules merely score nagashi mangan like a bonus payment, not as a win. Nagashi mangan happens at the same time as players reveal tenpai hands. The noten penalty is cancelled and replaced by the nagashi mangan payment, but that payment is not affected by honba or riichi sticks. Chombo takes precedence over nagashi mangan payments. If there is no chombo, then hand progression depends on whether East is tenpai.


=== Multiple nagashi ===
Rulesets may differ on the exact procedure to score nagashi mangan:


In the extremely rare event when more than one player is awarded nagashi mangan simultaneously, then each player receives the equivalent of a mangan tsumo. That implies even a winning player pays into the tsumo payment.
* Some rules score nagashi mangan like a win, before players reveal tenpai hands. This means that nagashi mangan can score [[honba]] and [[riichi]] sticks, and noten riichis are not punished with [[chombo]]. Wind progression depends on whether East has won with nagashi mangan.
* Some rules treat nagashi mangan like a bonus payment, not a proper win. Nagashi mangan happens at the same time as players reveal tenpai hands. The payment is not affected by honba or riichi sticks. Chombo takes precedence over nagashi mangan payments. If there is no chombo, then hand progression depends on whether East is tenpai.


== Rule variations ==
== Rule variations ==
Nagashi mangan is subject to a couple of [[Yaku_variations#Nagashi_mangan|rule variations]]. Some rulesets do not use nagashi mangan at all.
Nagashi mangan is subject to a couple of [[Yaku_variations#Nagashi_mangan|rule variations]]. Some rulesets do not use nagashi mangan at all.


==External links==
==External links==
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