Tanki: Difference between revisions

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'''Nakabukure''' {{kana|中膨れ}} is a type of pair wait. Here, the middle tile is duplicated in a [[shuntsu|sequence]], and the hand waits on said tile. With two of the tiles already in the hand, this gives the wait one less tile to wait for compared to a regular tanki.  An alternate term, '''harabote''' {{kana|腹ボテ}}, may be used, but it is also an inappropriate term.
'''Nakabukure''' {{kana|中膨れ}} is a type of pair wait. Here, the middle tile is duplicated in a [[shuntsu|sequence]], and the hand waits on said tile. With two of the tiles already in the hand, this gives the wait one less tile to wait for compared to a regular tanki.  An alternate term, '''harabote''' {{kana|腹ボテ}}, may be used, but it is also an inappropriate term.
This shape is not good as a tenpai wait, but is strong before tenpai. The middle tile is an especially strong lone tile. With a nakabukure 4, as shown above, drawing any of 2s-5s or 3s-6s will end up with a [[ryanmen]] wait (compared to a normal 4, which only get a ryanmen when drawing 5s or 6s).
===Nobetan===
{{main|Nobetan}}
{{#mjt:000z3456p000000z}}
A [[nobetan]] is a two-sided tanki wait. The hand waits to complete a pair, but two types of tiles are eligible to complete the pair, because the to-be-paired tile is next to a sequence. Here, if a 3p is drawn, you are left with a 3p pair and 456p sequence. If a 6p is drawn, you are left with a 345p sequence and 6p pair. A nobetan is aligned with [[suji]] intervals.
'''Sanmen nobetan'''
{{#mjt:000z3456789p000z}}
Sanmen nobetan is a three-sided tanki wait. It works like a nobetan, but attached to two sequences instead of one sequence.


==Value==
==Value==
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[[Chiitoitsu]] hands always have a total of 25 fu, regardless of their wait, types of pairs, or winning type.
[[Chiitoitsu]] hands always have a total of 25 fu, regardless of their wait, types of pairs, or winning type.


==Multi-sided Tanki==
==Strategy==
These [[complex waits]] are composed partially or entirely of tanki waits.
[[Image:Deceptive.png|thumb|right|250px|Tile discarded [http://tenhou.net/0/?log=2015010702gm-0089-0000-9548571b&tw=1&ts=4 appearing to be safe], when two already discarded.]]


===Nobetan===
A one-sided tanki is considered a "bad wait". It can only wait for a maximum of 3 tiles (of one type), making it the least accepting of all the basic waits.
{{main|Nobetan}}
{{#mjt:000z3456p000000z}}


A [[nobetan]] is a two-sided tanki wait. The hand waits to complete a pair, but two types of tiles are eligible to complete the pair, because the to-be-paired tile is next to a sequence. Here, if a 3p is drawn, you are left with a 3p pair and 456p sequence. If a 6p is drawn, you are left with a 345p sequence and 6p pair. A nobetan is aligned with [[suji]] intervals.  
However, the main advantage of tanki is that it you can wait for any type tile, so long as there is at least one copy of the tile remaining. This makes it strong when wishing to win from another player's discard. It is immune to [[suji]] and (to some extent) [[kabe]], so it can be used to set [[Suji#Offense|suji traps]]. A tanki wait on an honor tile that was once-discarded is actually strong, as players may believe said tiles to be [[defense|safe]]. A [[hell wait]] on an honor tile, while unlikely to actually win, is particularly strong if you want to win from another player.


{{#mjt:000z3456789p0000z}}
[[Chiitoitsu]] hands always have a tanki wait.


'''Sanmen nobetan'''
A [[nobetan]] can be treated like a [[ryanmen]] wait - it has good acceptance (maximum of 6 tiles of two types), but other players can use suji against it. (However, it cannot be used for [[pinfu]].)


{{#mjt:000z3456789p000z}}
==Related Complex Waits==
 
These [[complex waits]] are related to tanki waits.  
Sanmen nobetan is a three-sided tanki wait. It works like a nobetan, but attached to two sequences instead of one sequence.


===Aryanmen===
===Aryanmen===
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{{#mjt:000z6678p000000z}}
{{#mjt:000z6678p000000z}}


A [[ryanmen]] wait attached to the hand's pair. When winning with the 6p, this hand can be interpreted as either {66 + 78} (a ryanmen wait) or {6 + 678} (a tanki wait). The interpretation that would result in the most final points is used. When winning with 9p, the other side of the ryanmen, the hand can only be interpreted as having a ryanmen wait.
A [[ryanmen]] wait that is adjacent to the hand's pair. When winning with the 6p, this hand can be interpreted as either a "66 + 78" tenpai (a ryanmen wait) or a "6 + 678" tenpai (a tanki wait). The interpretation that would result in the most final points is used.
 
When winning with 9p, the other side of the ryanmen, the hand can only be interpreted as having a ryanmen wait.


===Ryantan, Kantan, & Pentan===
===Ryantan, Kantan, & Pentan===
{{main|Ryantan|Kantan|Pentan}}
{{main|Ryantan|Kantan|Pentan}}


These three wait patterns can all be described as "a triplet with one adjacent tile attached". They are combinations of tanki and another type of basic wait.
These three wait patterns can all be described as "a triplet with one adjacent tile attached". They are effectively combinations of tanki and another type of basic wait.


'''[[Ryantan]]''' (Ryanmen + Tanki) - Triplet with a tile that is numerically adjacent, and neither the triplet or the extra tile are a terminal tile. This can be interpreted as "33 + 34" or "333 + 5", thus waiting on 3 types of tiles (2 or 5 or 4). This wait is worth fu only if it wins off the lone tile (in this case, the 4).
'''[[Ryantan]]''' ([[Ryanmen]] + Tanki) - Triplet with a tile that is numerically adjacent, and neither the triplet or the extra tile are a terminal tile. This can be interpreted as "33 + 34" or "333 + 5", thus waiting on 3 types of tiles (2 or 5 or 4). This wait is worth fu only if it wins off the lone tile (in this case, the 4).


{{#mjt:000z3334p000000z}}
{{#mjt:000z3334p000000z}}


'''[[Kantan]]''' (Kanchan + Tanki) - Triplet with a tile that is numerically 2 away. This can be interpreted as "33 + 35" or "333 + 5", thus waiting on 2 types of tiles (4 or 5).   
'''[[Kantan]]''' ([[Kanchan]] + Tanki) - Triplet with a tile that is numerically 2 away. This can be interpreted as "33 + 35" or "333 + 5", thus waiting on 2 types of tiles (4 or 5).   


{{#mjt:000z3335p000000z}}
{{#mjt:000z3335p000000z}}


'''[[Pentan]]''' (Penchan + Tanki) - Triplet with a tile that is numerically adjacent, and at least one tile is a terminal. This can be interpreted as "11 + 12" or "111 + 2", thus waiting on 2 types of tiles (2 or 3).
'''[[Pentan]]''' ([[Penchan]] + Tanki) - Triplet with a tile that is numerically adjacent, and at least one tile is a terminal. This can be interpreted as "11 + 12" or "111 + 2", thus waiting on 2 types of tiles (2 or 3).


{{#mjt:000z1112p000000z}}
{{#mjt:000z1112p000000z}}
==Strategy==
[[Image:Deceptive.png|thumb|right|250px|Tile discarded [http://tenhou.net/0/?log=2015010702gm-0089-0000-9548571b&tw=1&ts=4 appearing to be safe], when two already discarded.]]
A one-sided tanki is considered a "bad wait". It can only wait for a maximum of 3 tiles (of one type), making it the least accepting of all the basic waits.
However, the greatest advantage of tanki is that it you can wait for any type tile, so long as there is at least one copy of the tile remaining. This makes it strong when wishing to win from another player's discard. It is immune to [[suji]] and [[kabe]], so it can be used to set [[Suji#Offense|suji traps]]. A tanki wait on an honor tile that was once-discarded is actually strong, as players may believe said tiles to be [[defense|safe]]. A [[hell wait]] on an honor tile, while unlikely to actually win, is particularly strong if you want to win from another player.
[[Chiitoitsu]] hands always have a tanki wait.
A [[nobetan]] can be treated like a [[ryanmen]] wait - it has good acceptance (maximum of 6 tiles of two types), but other players can use suji against it.


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