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Naki strategy: Difference between revisions
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The option to [[Naki|call tiles]] is | The option to [[Naki|call tiles]] is optional; players must constantly decide whether to call tiles or not. This decision warrants at least a little observation and evaluation. This page only considers pon and chi, not kan. For strategy regarding kan, see [[kan strategy]]. | ||
==Assessing calls== | ==Assessing calls== | ||
Like any decision in the game, opening | Like any decision in the game, opening the hand has advantages and disadvantages. | ||
===Advantages=== | ===Advantages=== | ||
*Allows | *Allows the hand to complete faster. Sequences can be completed with twice the number of tiles (self draws, and the left opponent's discards). Triplets can be completed with four times the number of tiles (your draws, anyone else's discards). | ||
**Can | **Can be used to confirm a yaku. [[Yakuhai]], for instance, are hard to complete without calling pon. | ||
**Can | **Can be used to complete a hand you otherwise wouldn't have completed at all. If a hand has 12-man, and the last 3-man is discarded, the sequence will be impossible to complete without a call. | ||
*It is hard for opponents to know whether an open hand is complete or not. | *It is hard for opponents to know whether an open hand is complete or not. | ||
*Disrupts an opponent's [[ippatsu]] and affects who gets the [[haitei]] draw. | *Disrupts an opponent's [[ippatsu]] and affects who gets the [[haitei]] draw. | ||
**On | **On the first turn, calls can disrupt [[chiihou]], [[double riichi]], and the option to call [[kyuushu kyuuhai]]. | ||
**Can also disrupt an opponent's [[nagashi mangan]]. | **Can also disrupt an opponent's [[nagashi mangan]]. | ||
===Disadvantages=== | ===Disadvantages=== | ||
*Opening | *Opening the hand prevents certain yaku, most importantly [[riichi]]. | ||
**Lowers the value of other yaku, such as sanshoku and ittsu. | **Lowers the value of other yaku, such as sanshoku and ittsu. | ||
**The hand must have at least one | **The hand must have at least one yaku in order to win; it cannot rely on [[riichi]] to gain a yaku. | ||
*Reduces the amount of tiles | *Reduces the amount of tiles available to discard, making it harder to [[defense|defend]]. | ||
*Reveals the called tiles to your opponents, possibly allowing them to deduce the value/contents/yaku of that hand. | *Reveals the called tiles to your opponents, possibly allowing them to deduce the value/contents/yaku of that hand. | ||
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In order for a hand to win, it must have at least one yaku. Closed hands can always call riichi, but open hands need something else. [[Tanyao]] and [[yakuhai]] are the easiest/most common of the open yaku. Other common candidates include [[sanshoku doujun]], [[ittsu]], [[honitsu]], and [[toitoi]]. | In order for a hand to win, it must have at least one yaku. Closed hands can always call riichi, but open hands need something else. [[Tanyao]] and [[yakuhai]] are the easiest/most common of the open yaku. Other common candidates include [[sanshoku doujun]], [[ittsu]], [[honitsu]], and [[toitoi]]. | ||
A hand with an unconfirmed yaku may end up in [[atozuke]], a state where | A hand with an unconfirmed yaku may end up in [[atozuke]], a state where the hand only has yaku when it wins off a certain tile. For example, a tanyao-only hand with a "78" wait can only win with a 6, since 9 ruins tanyao. This can lead to [[furiten]] if the wrong winning tile is drawn. | ||
==Value== | ==Value== | ||
Once a hand reaches 4 han, every han afterwards is reduced in value. So if a hand has 4+ guaranteed han after opening, it's often best to call. At this point, the extra speed from calling is often worth the drop from value. | Once a hand reaches 4 han, every han afterwards is reduced in value. So if a hand has 4+ guaranteed han after opening, it's often best to call. At this point, the extra speed from calling is often worth the drop from value. | ||
When a hand is cheap, the opposite effect can occur. If a hand would be 1 han (riichi-only) when closed, or 1 han when opened, going open is often better. This mostly happens with [[yakuhai]] pairs - keeping the pair ruins [[tanyao]] and [[pinfu]], but pon | When a hand is cheap, the opposite effect can occur. If a hand would be 1 han (riichi-only) when closed, or 1 han when opened, going open is often better. This mostly happens with [[yakuhai]] pairs - keeping the pair ruins [[tanyao]] and [[pinfu]], but pon gives 1 han through the yakuhai triplet. Even when considering the score bonuses from riichi (ippatsu, uradora, [[mentsumo]]), an open hand's increased speed is often better than the chance for extra points. | ||
===Point standings=== | ===Point standings=== | ||
As with most things in riichi mahjong, the game's specific point standings will alter the need to call. If | As with most things in riichi mahjong, the game's specific point standings will alter the need to call. If 12k points are needed to escape 4th in all last, it is best to stay closed even with a 4 guaranteed han hand. If you need 1k points in all last, call as soon as a yaku is available. | ||
==Tenpai Settlements== | ==Tenpai Settlements== | ||