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[[Image:Dora and Wanpai.jpg|thumb|250px|Dead wall showing 2-pin as the dora indicator.]]
'''Wanpai''' {{kana|王牌}} are the tiles used to form the '''dead wall'''.  These tiles are set aside from the regular draw and discard play.  Every mahjong hand session has 14 tiles, or 7 double-stacked tiles, set aside from the regular tile draw and discard processes.  These tiles are considered to be out of play, hence the nomenclature "dead wall". 


==Use==
'''Wanpai''' {{kana|王牌}} are the tiles used to form the '''dead wall'''Every mahjong hand session has 14 tiles, or 7 double-stacked tiles, set aside from the regular tile draw and discard processesThese tiles are considered to be out of play, hence the nomenclature "dead wall"Most of these tiles are used to indicate [[dora]]. The rest are used for [[kan]] draws and tile wall replacements.
Dead wall tiles are generally inaccessible, unless players call [[kan]].  Here, four tiles counterclockwise from the dora indicator are dedicated to kan calls.  Even then at all times, the dead wall must be maintained at 14 tiles.  In the event of a kan call, a tile is drawn by the player; and so a replacement tile from the end of the regular wall is added to the end of the dead wall.
 
The dead wall also holds the '''rinshanpai''' {{kana|嶺上牌}}, which are only accessible via [[naki|calls]] for [[kan]].  They are the four tiles between the dora indicator and the first cut of the wall.  In other words, they are the four tiles immediately clockwise from the dora indicatorFor every kan call, a player gains access to the dead wall and draws one rinshanpaiAfter a discard, one tile from the end of the regular wall gets added to the dead wall, to retain the count of 14-tiles.  If the rinshanpai produces a winning tile. then this draw invokes the yaku, [[rinshan kaihou]].
 
=== Dora ===
{{main|Dora}}
 
The dead wall is always responsible for indicating the dora.  Among the dead wall, one tile is flipped and revealed for everyone.  This tile is assigned as the '''dorahyouji''' {{kana|ドラ表示}}, or "dora indicator".  It is always the third tile on the top row from the initial wall break.  Tiles marked as dora are indicated as the next tile in the sequence, as noted in the "[[Dora#Dora order|dora order]]".


== Arrangement ==
== Arrangement ==
The fourteen tiles are arranged as follows:
[[Image:Dora and Wanpai.jpg|thumb|250px|Dead wall showing 2-pin as the dora indicator.]]
The fourteen tiles for the dead wall are arranged accordingly.  Also, the last four tiles to the live wall are also included.


{| class="wikitable" width=50%
{| class="wikitable" width=50%
!colspan=7|Dead wall !!rowspan=5| !!colspan=2|End of live wall
|-
|-
|align=center| {{#mjt:9z}} ||align=center| {{#mjt:9z}} ||align=center| {{#mjt:2p}} ||align=center| {{#mjt:9z}} ||align=center| {{#mjt:9z}} ||align=center| {{#mjt:9z}} ||align=center| {{#mjt:9z}}
|align=center| {{#mjt:0z}} ||align=center| {{#mjt:0z}} ||align=center| {{#mjt:2p}} ||align=center| {{#mjt:0z}} ||align=center| {{#mjt:0z}} ||align=center| {{#mjt:0z}} ||align=center| {{#mjt:0z}} ||align=center| {{#mjt:0z}} ||align=center| {{#mjt:0z}}  
|-
|-
| 1st kan draw || 3rd kan draw || Dora indicator || 1st kandora || 2nd kandora || 3rd kandora || 4th kandora
| 1st kan draw || 3rd kan draw || [[Dora|Dora indicator]] || 1st kandora || 2nd kandora || 3rd kandora || 4th kandora || 2nd haiteihai || 4th haiteihai
|-
|-
|align=center| {{#mjt:9z}} ||align=center| {{#mjt:9z}} ||align=center| {{#mjt:9z}} ||align=center| {{#mjt:9z}} ||align=center| {{#mjt:9z}} ||align=center| {{#mjt:9z}} ||align=center| {{#mjt:9z}}
|align=center| {{#mjt:0z}} ||align=center| {{#mjt:0z}} ||align=center| {{#mjt:0z}} ||align=center| {{#mjt:0z}} ||align=center| {{#mjt:0z}} ||align=center| {{#mjt:0z}} ||align=center| {{#mjt:0z}} ||align=center| {{#mjt:0z}} ||align=center| {{#mjt:0z}}  
|-
|-
| 2nd kan draw || 4th kan draw || 1st uradora || 2st uradora || 3rd uradora || 4th uradora || 5th uradora
| 2nd kan draw || 4th kan draw || 1st uradora || 2nd uradora || 3rd uradora || 4th uradora || 5th uradora || 1st haiteihai || 3rd haiteihai
|}
|}
For every hand, the dead wall always starts with the very same arrangement.  The [[kan]] draws are always the four tiles clockwise to the dora indicator.  These are the '''rinshanpai''' {{kana|嶺上牌}}, which are only accessible via [[naki|calls]] for kan.  Not necessary but recommended, the first kan draw can be placed to the side of the second kan draw, like in the image to the right.  This is to prevent accidental revealing of that first tile, in case it gets knocked off.
=== Dora ===
{{main|Dora}}
The dead wall is always responsible for indicating the dora.  Ten of the fourteen original dead wall tiles are used to indicate dora.  The first one is always revealed at the start of the hand.  This tile is assigned as the '''dorahyouji''' {{kana|ドラ表示}}, or "dora indicator".  It is always the third tile on the top row from the initial wall break.  Tiles marked as dora are indicated as the next tile in the sequence, as noted in the "[[Dora#Dora order|dora order]]".  Additional dora may be revealed by calls for kan; and any tile underneath the revealed dora may be used in the event of winning riichi hands.  Rarely, all ten dora tiles are revealed for a single hand; but it is possible.
=== Haiteihai ===
{{main|Haiteihai}}
The tile immediately before the dead wall is called the '''haiteihai''' {{kana|海底牌}}.  When a kan is made, the current haiteihai will be moved into the dead wall; and the tile before it becomes the new haiteihai.  Barring those kan calls, the last four tiles can individually be marked as the haiteihai, as one after the other are transferred to the dead wall.  Only one tile at a time can be designated as this last tile.
=== Kan ===
{{main|Kan}}
Calls for kan affect the dead wall in three ways:
# The player calling kan is then required to draw from the dead wall via the [[rinshanpai]].
# A tile from the back end of the wall, the haiteihai, is transferred to the dead wall.
# The tile next to the dora is revealed.
For every kan call, a player gains access to the dead wall and draws one rinshanpai.  If the rinshanpai produces a winning tile, then this draw invokes the yaku, [[rinshan kaihou]].  Under most cases, players make a discard afterwards.  After that discard, one tile from the end of the regular wall is added to the dead wall to the back end.  This is to retain the count of 14-tiles.  Unlike the original dead wall tiles, the added tiles can serve no function, other than as replacement tiles.  Finally, an additional dora indicator is revealed.


==External links==
==External links==
{{jpwiki|王牌}}
[[Category:Terminology]]
[[Category:Terminology]]
[[Category:Game rules]]
[[Category:Game rules]]

Revision as of 06:39, 26 October 2015

Wanpai 「王牌」 are the tiles used to form the dead wall. Every mahjong hand session has 14 tiles, or 7 double-stacked tiles, set aside from the regular tile draw and discard processes. These tiles are considered to be out of play, hence the nomenclature "dead wall". Most of these tiles are used to indicate dora. The rest are used for kan draws and tile wall replacements.

Arrangement

Dead wall showing 2-pin as the dora indicator.

The fourteen tiles for the dead wall are arranged accordingly. Also, the last four tiles to the live wall are also included.

Dead wall End of live wall
1st kan draw 3rd kan draw Dora indicator 1st kandora 2nd kandora 3rd kandora 4th kandora 2nd haiteihai 4th haiteihai
2nd kan draw 4th kan draw 1st uradora 2nd uradora 3rd uradora 4th uradora 5th uradora 1st haiteihai 3rd haiteihai

For every hand, the dead wall always starts with the very same arrangement. The kan draws are always the four tiles clockwise to the dora indicator. These are the rinshanpai 「嶺上牌」, which are only accessible via calls for kan. Not necessary but recommended, the first kan draw can be placed to the side of the second kan draw, like in the image to the right. This is to prevent accidental revealing of that first tile, in case it gets knocked off.

Dora

The dead wall is always responsible for indicating the dora. Ten of the fourteen original dead wall tiles are used to indicate dora. The first one is always revealed at the start of the hand. This tile is assigned as the dorahyouji 「ドラ表示」, or "dora indicator". It is always the third tile on the top row from the initial wall break. Tiles marked as dora are indicated as the next tile in the sequence, as noted in the "dora order". Additional dora may be revealed by calls for kan; and any tile underneath the revealed dora may be used in the event of winning riichi hands. Rarely, all ten dora tiles are revealed for a single hand; but it is possible.

Haiteihai

The tile immediately before the dead wall is called the haiteihai 「海底牌」. When a kan is made, the current haiteihai will be moved into the dead wall; and the tile before it becomes the new haiteihai. Barring those kan calls, the last four tiles can individually be marked as the haiteihai, as one after the other are transferred to the dead wall. Only one tile at a time can be designated as this last tile.

Kan

Calls for kan affect the dead wall in three ways:

  1. The player calling kan is then required to draw from the dead wall via the rinshanpai.
  2. A tile from the back end of the wall, the haiteihai, is transferred to the dead wall.
  3. The tile next to the dora is revealed.

For every kan call, a player gains access to the dead wall and draws one rinshanpai. If the rinshanpai produces a winning tile, then this draw invokes the yaku, rinshan kaihou. Under most cases, players make a discard afterwards. After that discard, one tile from the end of the regular wall is added to the dead wall to the back end. This is to retain the count of 14-tiles. Unlike the original dead wall tiles, the added tiles can serve no function, other than as replacement tiles. Finally, an additional dora indicator is revealed.

External links

Wanpai in Japanese Wikipedia