Rule variations: Difference between revisions

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:Mahjong Montreal, Canada
:Mahjong Montreal, Canada


==Agari==
===Ryanhan shibari===
{{main|Ryanhan shibari}}
Impose a two-han minimum at five or more honba (number of table counters). The two han must both come from yaku.
* Ari – Require two han from yaku at five or more honba.
* Nashi – One han from yaku is always enough.
===Agari yame===
Allow the dealer to end the hanchan prematurely if he wins the south 4th hand and ends up in first place, or if that hand becomes an exhaustive draw and the dealer ends up first.
* Ari – Allow the dealer to end the hanchan prematurely.
* Nashi – The game must continue until the seat winds rotate again.
===Double ron===
Score two winning declarations at the same time.
* Ari – Discarder of the winning tile must pay both hands separately. Riichi sticks are collected by the first winner to his right. Some rules entitle the other winner to one of these riichi sticks if he has declared riichi during this hand.
* Check – Like ari, but the fourth player must reveal a non-winning hand, so that he cannot intentionally avoid the triple ron abortive draw.
* Nashi – [[Atamahane]], or head bump. Only the first win to the discarder's right is recognized.
===Triple ron===
Score three winning declarations at the same time.
* Ari – Discarder of the winning tile must pay all three hands separately. See double ron ari for distribution of riichi sticks.
* Ata.h. – [[Atamahane]], or head bump. Only the first win to the discarder's right is recognized.
* Abort – Do not score any hand, instead abort the hand with an abortive draw (tochuu ryuukyoku).
===Furiten riichi===
Allow players to declare riichi while they are fuiten due to their own earlier discards.
==Atozuke==
==Atozuke==
{{main|Atozuke}}
{{main|Atozuke}}
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* Nanba – The hand is repeated when East wins, or when East is tenpai upon exhaustive draw, or when there is any exhaustive draw during the nanba (south round).
* Nanba – The hand is repeated when East wins, or when East is tenpai upon exhaustive draw, or when there is any exhaustive draw during the nanba (south round).
* Option – The rules allow two possible options, agari and tenpai.
* Option – The rules allow two possible options, agari and tenpai.
==Agari==
===Ryanhan shibari===
{{main|Ryanhan shibari}}
Impose a two-han minimum at five or more honba (number of table counters). The two han must both come from yaku.
* Ari – Require two han from yaku at five or more honba.
* Nashi – One han from yaku is always enough.
===Agari yame===
Allow the dealer to end the hanchan prematurely if he wins the south 4th hand and ends up in first place, or if that hand becomes an exhaustive draw and the dealer ends up first.
* Ari – Allow the dealer to end the hanchan prematurely.
* Nashi – The game must continue until the seat winds rotate again.
===Double ron===
Score two winning declarations at the same time.
* Ari – Discarder of the winning tile must pay both hands separately. Riichi sticks are collected by the first winner to his right. Some rules entitle the other winner to one of these riichi sticks if he has declared riichi during this hand.
* Check – Like ari, but the fourth player must reveal a non-winning hand, so that he cannot intentionally avoid the triple ron abortive draw.
* Nashi – [[Atamahane]], or head bump. Only the first win to the discarder's right is recognized.
===Triple ron===
Score three winning declarations at the same time.
* Ari – Discarder of the winning tile must pay all three hands separately. See double ron ari for distribution of riichi sticks.
* Ata.h. – [[Atamahane]], or head bump. Only the first win to the discarder's right is recognized.
* Abort – Do not score any hand, instead abort the hand with an abortive draw (tochuu ryuukyoku).
===Furiten riichi===
Allow players to declare riichi while they are fuiten due to their own earlier discards.


==Temporary furiten==
==Temporary furiten==
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