Furiten: Difference between revisions

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The furiten rule is essential for defensive play. Any tile that would invoke furiten to a player is 100% safe against that player:
The furiten rule is essential for defensive play. Any tile that would invoke furiten to a player is 100% safe against that player:
*Discard furiten: Any tile that an opponent discarded is 100% against them.
*Discard furiten: Any tile that an opponent discarded is 100% against them.
*Permanent furiten: an opponent declares [[riichi]], any tile anyone discards (and not won off of) is 100% safe against that riichi player.
*Permanent furiten: After an opponent declares [[riichi]], any tile anyone discards is 100% safe against that riichi player.
*Temporary furiten: Any tile that the player to your left has discarded this turn is 100% safe against every player for this turn only.
*Temporary furiten: Any tile that the player to your left has discarded this turn is 100% safe against every player for this turn only.


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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, it may be necessary to enter tenpai, even while in furiten. Often, this is the result of developing the hand and defending simultaneously.  
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.


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 does not declare a win but declares riichi - immediately entering furiten. This may be done to score a yaku like [[pinfu]].
===Exiting furiten===
To exit discard furiten, you can change the hand's [[wait]] so that it can no longer win off any of the discarded tiles. For example:
To exit discard furiten, you can change the hand's [[wait]] so that it can no longer win off any of the discarded tiles. For example:


:{{#mjt:22288m23p3456'78s}} Draw: {{#mjt:3p}} Waiting for: {{#mjt:14p}} (furiten)
:{{#mjt:22288m23p3456'78s}} Draw: {{#mjt:3p}} Waiting for: {{#mjt:14p}} (furiten)


If the hand had discarded {{#mjt:1p}} previously, it would be in furiten. By drawing {{#mjt:3p}} and discarding {{#mjt:2p}}, it now waits on {{#mjt:3p}} and {{#mjt:8m}}. Thus, the hand is no longer waiting on {{#mjt:1p}}, and is no longer in furiten.
If the hand had discarded {{#mjt:1p}} previously, it would be in furiten. By drawing {{#mjt:3p}} and discarding {{#mjt:2p}}, it now waits on {{#mjt:3p}} and {{#mjt:8m}}. Thus, the hand is no longer waiting on {{#mjt:1p}}, and is no longer in furiten.
 
Alternatively, a hand can rely on tsumo to win. With a 3-sided wait, this is feasible, and even a 2-sided furiten can be reasonable.
 
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 does not declare a win but declares riichi - immediately entering furiten. This may be done to score a yaku like [[pinfu]].


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