Furiten: Difference between revisions

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338 bytes added ,  1 December 2024
add reasons why one would be in furiten
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(add reasons why one would be in furiten)
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[[Image:TempFuriten.png|thumb|right|250px|Ron declined, so [http://tenhou.net/0/?log=2014022617gm-0089-0000-ee8c6631&tw=2&ts=11 temporary furiten invoked] until the next own's tile draw.]]
[[Image:TempFuriten.png|thumb|right|250px|Ron declined, so [http://tenhou.net/0/?log=2014022617gm-0089-0000-ee8c6631&tw=2&ts=11 temporary furiten invoked] until the next own's tile draw.]]


Calling a win is optional. If a non-[[riichi]] player does not ron a "winning tile" (even if said tile can't win due to lack of yaku), they enter temporary furiten until their next discard. Since it lasts for 1 turn, it is called temporary furiten.
Calling a win is optional. If a non-[[riichi]] player does not ron a "winning tile" (even if a win cannot be declared due to lack of yaku), they enter temporary furiten until their next discard. Since it lasts for 1 turn, it is called temporary furiten.


Sometimes, a player may misinterpret their waits, entering furiten in the process. Alternatively, a player may be in atozuke and a non-yaku giving tile is discarded. Otherwise, a player may intentionally skip a win, entering temporary furiten in the process. This is mainly done after [[situational analysis|point standing analysis]], such as:
Sometimes, a player may misinterpret their waits, entering furiten in the process. Alternatively, a player may be in atozuke and a non-yaku giving tile is discarded. Otherwise, a player may intentionally skip a win, entering temporary furiten in the process. This is mainly done after [[situational analysis|point standing analysis]], such as:
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2. It makes it much harder to target other players.
2. It makes it much harder to target other players.
* Because discard furiten exists, players cannot skip a tsumo win in order to ron another player.
* Because discard furiten exists, players cannot skip a tsumo win in order to ron another player.
* Because temporary and permanent furiten exist, players must take the first ron or enter some form of furiten. Since a non-riichi hand ''could'' change its waits every turn, temporary furiten only lasts 1 turn. Because a riichi hand cannot change its waits, permanent furiten lasts until the end of the hand.
* Because temporary and permanent furiten exist, players must take the first ron or enter some form of furiten.  
 
Since a non-riichi hand ''could'' change its waits every turn, temporary furiten only lasts 1 turn. For example, say Opponent A is in open tenpai. Opponent B discards 5-sou. making it safe for a turn. Opponent A could change waits to 5-sou, so even if temporary furiten lasted permanently, the 5-sou would not be safe. But, since riichi forbids changing waits, permanent furiten lasts until the end of the hand.


== Example ==
== Example ==
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===Working with furiten===
===Working with furiten===
Sometimes, it may be necessary to enter tenpai when it would be furiten. Often, this is the result of developing the hand and defending simultaneously.
Sometimes, players may need to enter a furiten tenpai:
* The best [[tile efficiency]] discards can occasionally cause furiten (e.g., discard a lone 1-sou, draw a 3-sou then 2-sou.).
* When defending and developing the hand simultaneously, a furiten tenpai might occur.
* Rarely, a [[dama]] hand can intentionally choose to enter furiten. In this case, the hand is in tenpai, but after a winning tile is drawn, the player declares riichi instead of a win - immediately entering furiten. This is often done to score a yaku like [[pinfu]] or [[sanshoku]].


An important thing to realize is that you only enter furiten when in tenpai. Therefore, it is not the worst thing to keep a wait that could cause furiten later. So long as you complete the wait before tenpai, there is no punishment.
An important thing to realize is that you only enter furiten when in tenpai. Therefore, it is not horrible to keep a wait that could cause furiten later. So long as you complete the wait before tenpai, there is no punishment.


Even if you do enter furiten, a 3-sided wait in furiten is still strong, and a 2-sided wait in furiten remains reasonable (around the level of a 1-sided wait).
Even if you do enter furiten, a 3-sided wait in furiten is still strong, and a 2-sided wait in furiten remains reasonable (around the level of a 1-sided wait).
Rarely, a hand in [[damaten]] can intentionally enter furiten. In this case, the hand is in tenpai, but after a winning tile is drawn, the player declares riichi instead of a win - immediately entering furiten. This may be done to score a yaku like [[pinfu]] or [[sanshoku]].


===Exiting furiten===
===Exiting furiten===
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