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Toutenkou: Difference between revisions
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'''Toutenkou''' {{kana|東天紅}} is a special [[sanma|3-player mahjong]] variation mainly popular in [[wikipedia:Kantō_region|Kanto region]]. Currently available in [[Tenhou.net|Tenhou]] computer matches. | '''Toutenkou''' {{kana|東天紅}} is a special [[sanma|3-player mahjong]] variation mainly popular in [[wikipedia:Kantō_region|Kanto region]]. Currently available in [[Tenhou.net|Tenhou]] computer matches (beta test). | ||
'''Disclaimer''': This page only introduces rules used in Tenhou. Details are not consistent, and variation exists in other platforms. | |||
== Rule Introduction == | == Rule Introduction == | ||
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== Special Yakus == | == Special Yakus == | ||
'''Notes''': All of the followings are bonuses. A hand cannot be claimed with only those following yakus. | |||
(1 pt) '''Oya''' {{kana|親}}: Add one point when winning as dealer. | (1 pt) '''Oya''' {{kana|親}}: Add one point when winning as dealer. | ||
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(1 pt) '''Gari''' {{kana|ガリ}}: Add one point for each nukidora ({{#mjt:159m4z}}). For {{#mjt:0m}} it is also a red dora, so it actually worths 2 points. | (1 pt) '''Gari''' {{kana|ガリ}}: Add one point for each nukidora ({{#mjt:159m4z}}). For {{#mjt:0m}} it is also a red dora, so it actually worths 2 points. | ||
(2 pts) '''Base point''' {{kana|バンバン}}: Add two points for each winning hand for no reason. | (2 pts) '''Base point''' / '''Banban''' {{kana|バンバン}}: Add two points for each winning hand for no reason. | ||
(2 pts) '''Minkan''' {{kana|明槓}}: Add two points for each opened kan. | (2 pts) '''Minkan''' {{kana|明槓}}: Add two points for each opened kan. | ||
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(4 pts) '''Ankan''' {{kana|暗槓}}: Add four points for each concealed kan. | (4 pts) '''Ankan''' {{kana|暗槓}}: Add four points for each concealed kan. | ||
(4 pts) '''Set''' {{kana|セット}}: Add four points for each collected set of gari (four identical tiles of gari). Can be stacked with gari. | (4 pts) '''Set''' {{kana|セット}} <ref group="note">Set is also called Storm / Arashi {{kana|アラシ}} in some platform.</ref> : Add four points for each collected set of gari (four identical tiles of gari). Can be stacked with gari. | ||
(8 pts) '''Ron''' {{kana|ロン}}: Add eight points when winning by other's dealing-in. | (8 pts) '''Ron''' {{kana|ロン}}: Add eight points when winning by other's dealing-in. | ||
(10 / 20 pts) '''Crow''' {{kana|カラス}}: Winning a hand without drawing any gari tiles. Add | (10 / 20 pts) '''Crow''' / '''Karasu''' {{kana|カラス}}: Winning a hand without drawing any gari tiles. Add ten points when winning hand is opened, while twenty points when concealed. | ||
(20 pts) '''All Gari''' {{kana|全ガリ}}: Add twenty points when collecting all gari tiles. Can be stacked with gari. | (20 pts) '''All Gari''' {{kana|全ガリ}}: Add twenty points when collecting all gari tiles. Can be stacked with gari. | ||
== Notes == | |||
* Dora for manzu part is a bit weird. When indicator is {{#mjt:1m}}, dora is {{#mjt:9m}}; when indicator is {{#mjt:9m}}, dora is {{#mjt:1m}}; however when indicator is {{#mjt:5m}}, none of the tiles is dora. <ref group="note">In general, to determine dora for manzu tiles, there're two different ways in use. One is <code>1m → 5m → 9m → 1m</code>; the other is <code>1m → 9m → 1m</code> while <code>5m → 5m</code>.</ref> | |||
* Gari tiles can be used in hand, and also can be discarded, but can only get Gari's point when it is claimed as a nukidora. | |||
* Set is still acquirable with some gari tiles used in hand. They're not required to be all claimed as nukidora. | |||
* [[Riichi]] values 1 point. Riichi bet is also 1 point. | |||
* A single round ends when there's no tile left before dora indicators. | |||
* Noten penalty of [[ryuukyoku]] is 20 points. | |||
* Gari can be claimed even in last turn. | |||
* [[Rinshan Kaihou]] is available with rinshan tiles drawn from Gari. | |||
* Crow / Karasu requires no any gari tiles both existing in hand, in discards and used as nukidoras. | |||
* [[Yakuman]] yakus cannot stack with other regular non-yakuman yakus as usual, though they can still stack with toutenkou-specified special yakus. Each yakuman yaku values 20 points. | |||
== References == | == References == | ||
<references/> | <references/> | ||
'''Notes''': | |||
<references group="note"/> | |||
== External Links == | == External Links == | ||
{{jpwiki|東天紅_(麻雀)}} | {{jpwiki|東天紅_(麻雀)}} | ||
* Rule description of Tenhou's Toutenkou: http://blog.tenhou.net/article/186578700.html | |||