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It is important to bear furiten in mind when developing a hand. Frequently, if a hand gets to tenpai and is furiten, then the hand was inefficiently developed. This is not always the case, however, as a player can make a correct decision but still be in furiten. | It is important to bear furiten in mind when developing a hand. Frequently, if a hand gets to tenpai and is furiten, then the hand was inefficiently developed. This is not always the case, however, as a player can make a correct decision but still be in furiten. | ||
A common reason for furiten is when a player is in tenpai with an open hand, but it has no guaranteed yaku. In these | A common reason for furiten is when a player is in tenpai with an open hand, but it has no guaranteed yaku. In these cases, the hand will only gain yaku if it draws a certain winning tile. If a different winning tile is drawn, the hand will have no yaku, and is thus forced to discard its own winning tile - entering furiten. This most commonly occurs with: | ||
*A [[shanpon]] wait, with one tile completing a [[yakuhai]] triplet, and the other having no yaku. | *A [[shanpon]] wait, with one tile completing a [[yakuhai]] triplet, and the other having no yaku. | ||
*A [[ryanmen]] wait on 14 or 69 on a hand that would otherwise complete [[tanyao]]. | *A [[ryanmen]] wait on 14 or 69 on a hand that would otherwise complete [[tanyao]]. | ||
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The primary purpose of the rule is to prevent a player from targeting a later player in the turn order. Once a player sees a tile discarded, they know that they can follow with the same tile and it will be safe for that turn. | The primary purpose of the rule is to prevent a player from targeting a later player in the turn order. Once a player sees a tile discarded, they know that they can follow with the same tile and it will be safe for that turn. | ||
A player may deliberately skip a win, entering temporary furiten in the process. This is often done after [[situational analysis|point standing analysis]]: | A player may deliberately skip a win, entering temporary furiten in the process. This is often done after [[situational analysis|point standing analysis]], such as: | ||
*When a player is close to [[tobi|bankrupting]], a player in 1st may want to target them in order to end the game faster. | |||
*When close to [[oorasu|all last]], a player may need to ron a specific player to [[gyakuten|rise up in rank]]. | |||
Temporary furiten can also be entered by a player who does not have a guaranteed yaku, as described above. Otherwise, a player may mistakenly enter furiten if they don't know their waits correctly. | |||
Rarely, some rulesets [[Rule variations#Furiten|vary the rules]] by allowing a tile call made by another player to cancel temporary furiten. | Rarely, some rulesets [[Rule variations#Furiten|vary the rules]] by allowing a tile call made by another player to cancel temporary furiten. | ||
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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 | *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. | |||
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: | |||
:{{#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. | |||
== External links == | == External links == |
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