Rule variations: Difference between revisions

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Rule variations (view source)

Revision as of 12:32, 8 February 2014

346 bytes added ,  8 February 2014
→‎Scoring
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Scoring allows some flexibility to the rules regarding the start and end scores.  Likewise, the oka and uma may be adjusted as well.
Scoring allows some flexibility to the rules regarding the start and end scores.  Likewise, the oka and uma may be adjusted as well.


===Start score===
===Fu==


Each player has this many points at the start of a hanchan.
Counting fu may have some variation.  A hand with four groups and a pair might have a double wind pair, by which the wind pair is both the round wind and the seat wind. This rule decides how many fu such a double wind pair is worth.


* 0 – Start at zero points, but the game continues with negative scores.
* Ari - The pair counts as 4 fu: 2 from the wind, and 2 from the wind round.
* 25k–30k – A negative score aborts the hanchan.
* Nashi - The pair only counts for 2 fu.


===Goal score===
===Goal score===
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* Goal = Start – Oka is zero, shaaba is never used.
* Goal = Start – Oka is zero, shaaba is never used.
* Tobi (bankrupt) - End the hanchan prematurely if a player has less than 0 points at the end of a hand.
* Tobi (bankrupt) - End the hanchan prematurely if a player has less than 0 points at the end of a hand.
=== Karaten tenpai ===
{{main|Tenpai}}
[[Tenpai|Karaten]] is a state where a hand in tenpai has all of its winning tiles exhausted via discards, dora indicators, [[Naki|open calls]], [[kan|kans]], and even in other players' hands.
* Ari - The hand is tenpai under all karaten situations.
* Noten - The hand is declared as noten at [[ryuukyoku]].
* Kan noten - The hand is declared as noten at [[ryuukyoku]], if all of a player's waits are used for one's own kan.  The hand is declared as tenpai for all other cases.
===Kiriage mangan===
Score 4 han, 30 fu as a mangan, as well as 3 han, 60 fu. The exact values for these hands are 7,700 points on a non-dealer ron, split as 2,000 and 3,900 on a non-dealer tsumo, and 11,600 points on a dealer ron, split as 3,900 for all on a dealer tsumo.
* Ari – Round up to mangan, i.e., score 8,000 or 12,000 points.
* Nashi – Score the exact values.


===Negative score===
===Negative score===
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Jackpot for getting first. All three other players pay one third of this to first place after the end of the hanchan. These points are exchanged in addition to the uma.
Jackpot for getting first. All three other players pay one third of this to first place after the end of the hanchan. These points are exchanged in addition to the uma.


===Uma===
===Renchan===
[[Renchan]] are additional hands, where the [[Jikaze|wind rotation]] is not applied.  Instead, the wind positions remain the same for an extra hand.


This is a placing bonus for first and second place after a hanchan. First place receives (larger amount × 1,000) points from forth place, and second place receives (lower amount × 1,000) from third place. These points are exchanged in addition to the oka.
* Agari – The hand is repeated only when East wins.
 
* Tenpai – The hand is repeated when East wins, or when East is tenpai upon exhaustive draw.
* 0 – No placement bonus is exchanged.
* 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).
* Share – Ask Sylvain what this means in detail. I don't know. :-)
* Option – The rules allow two possible options, agari and tenpai.
* X/Y – First place receives (X × 1,000) points from fourth place, second place receives (Y × 1,000) points from third place.
 
===Shaaba===
{{main|West round}}


If nobody has reached the goal score at the end of south 4th hand, then the game continues into the west round. The game immediately stops after any hand during the west round in which a player reaches the goal score. The game never continues into the north round.
===Riichi===
 
* Ari – Continue into west round.
* Nashi – Always stop after south 4th hand.
 
===Yakitori===
{{main|Yakitori}}
 
Have players who do not win a hand during the entire hanchan pay a penalty to those who do, or to whoever is first.  This rule is generally used in gambling games.  As for the formal tournament setting, few, if any, actually use it.
 
* Ari - Yakitori penalty is applied.
* Nashi - Yakitori is not applied.
 
===Kiriage mangan===
 
Score 4 han, 30 fu as a mangan, as well as 3 han, 60 fu. The exact values for these hands are 7,700 points on a non-dealer ron, split as 2,000 and 3,900 on a non-dealer tsumo, and 11,600 points on a dealer ron, split as 3,900 for all on a dealer tsumo.
 
* Ari – Round up to mangan, i.e., score 8,000 or 12,000 points.
* Nashi – Score the exact values.
 
===Leftover riichi points===


If the last hand of the hanchan is a draw, there may be leftover riichi sticks on the table. This rule decides what happens with them.
If the last hand of the hanchan is a draw, there may be leftover riichi sticks on the table. This rule decides what happens with them.
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* Comp – This is a computer game and it keeps track of scores automatically.
* Comp – This is a computer game and it keeps track of scores automatically.


=== Karaten tenpai ===
===Shaaba===
{{main|Tenpai}}
{{main|West round}}
 
If nobody has reached the goal score at the end of south 4th hand, then the game continues into the west round. The game immediately stops after any hand during the west round in which a player reaches the goal score. The game never continues into the north round.
 
* Ari – Continue into west round.
* Nashi – Always stop after south 4th hand.
 
===Start score===
 
Each player has this many points at the start of a hanchan.
 
* 0 – Start at zero points, but the game continues with negative scores.
* 25k–30k – A negative score aborts the hanchan.
 
===Uma===
 
This is a placing bonus for first and second place after a hanchan. First place receives (larger amount × 1,000) points from forth place, and second place receives (lower amount × 1,000) from third place. These points are exchanged in addition to the oka.


[[Tenpai|Karaten]] is a state where a hand in tenpai has all of its winning tiles exhausted via discards, dora indicators, [[Naki|open calls]], [[kan|kans]], and even in other players' hands.
* 0 – No placement bonus is exchanged.
* Share – Ask Sylvain what this means in detail. I don't know. :-)
* X/Y – First place receives (X × 1,000) points from fourth place, second place receives (Y × 1,000) points from third place.


* Ari - The hand is tenpai under all karaten situations.
===Yakitori===
* Noten - The hand is declared as noten at [[ryuukyoku]].
{{main|Yakitori}}
* Kan noten - The hand is declared as noten at [[ryuukyoku]], if all of a player's waits are used for one's own kan.  The hand is declared as tenpai for all other cases.


===Renchan===
Have players who do not win a hand during the entire hanchan pay a penalty to those who do, or to whoever is first.  This rule is generally used in gambling games.  As for the formal tournament setting, few, if any, actually use it.
[[Renchan]] are additional hands, where the [[Jikaze|wind rotation]] is not applied.  Instead, the wind positions remain the same for an extra hand.


* Agari – The hand is repeated only when East wins.
* Ari - Yakitori penalty is applied.
* Tenpai – The hand is repeated when East wins, or when East is tenpai upon exhaustive draw.
* Nashi - Yakitori is not applied.
* 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.


==Tochuu ryuukoku==
==Tochuu ryuukoku==
KyuuAA
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