Atamahane: Difference between revisions

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[[Image:Atama ron.png|thumb|right|250px|[[Toimen]] granted [http://tenhou.net/0/?log=2015011712gm-000b-18445-4f89034e&tw=0&ts=4 the win], when double ron is not used.]]
[[Image:Atama ron.png|thumb|right|250px|[[Toimen]] granted [http://tenhou.net/0/?log=2015011712gm-000b-18445-4f89034e&tw=0&ts=4 the win], when double ron is not used.]]
'''Atamahane''' {{kana|頭跳ね}} is more known as the "head bump" rule.  Sometimes, more than one hand in [[tenpai]] may be waiting on the same set of tile(s).  If one happens to be discarded, [[Rule_variations#Double_ron|variation]] allows each of them to claim a win simultaneously. With atamahane, only one is allowed to win the hand.  All others are "bumped" and denied their hand.
'''Atamahane''' {{kana|頭ハネ}}, sometimes called the "head bump" rule in English, is a rule that only allows one winner per hand. When two or more players declare [[ron]] on the same tile, only the player closest in turn order to the discarder wins - the other players get nothing.<ref>Some niche rulesets allow the player ''furthest'' in turn order to win instead, meaning if West deals in, South gets priority.</ref> For example, if West deals in, North has priority, followed by East.


The most common rule to atamahane grants the win closest to the discarder, in relation to the wind order.  For example, if West discards a winning tile, the North is first in line for the win. Other rules will grant the opposite, where the further player from the discarder claims the win. Once again, if West discards a winning tile, North may be overridden by another player down the rotation and instead claim the win.
The alternative to atamahane is allowing [[double ron]]. Some rules allow double ron, but [[abortive draw|abort the hand]] on a [[Sanchahou|triple ron]]. Other rules allow double and triple ron. In rulesets where double/triple ron are allowed, the [[riichi]] bets are typically subject to atamahane (e.g. if West deals in to North + South, North gets the riichi bets, but both players win.)


The alternative to atamahane would be either [[double ron]] or even [[triple ron]]. In this case, the discarder makes the uncomfortable responsiblity of paying to each winning hand.
Atamahane is relatively more common in real life rulesets, while double ron is relatively more common in online rulesets. However, this is not a hard rule, so offline rulesets can use double ron and vice versa.
 
==References==
<references/>


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

Latest revision as of 11:32, 5 November 2024

Toimen granted the win, when double ron is not used.

Atamahane 「頭ハネ」, sometimes called the "head bump" rule in English, is a rule that only allows one winner per hand. When two or more players declare ron on the same tile, only the player closest in turn order to the discarder wins - the other players get nothing.[1] For example, if West deals in, North has priority, followed by East.

The alternative to atamahane is allowing double ron. Some rules allow double ron, but abort the hand on a triple ron. Other rules allow double and triple ron. In rulesets where double/triple ron are allowed, the riichi bets are typically subject to atamahane (e.g. if West deals in to North + South, North gets the riichi bets, but both players win.)

Atamahane is relatively more common in real life rulesets, while double ron is relatively more common in online rulesets. However, this is not a hard rule, so offline rulesets can use double ron and vice versa.

References

  1. ↑ Some niche rulesets allow the player furthest in turn order to win instead, meaning if West deals in, South gets priority.

External links

Triple ron video from Janryumon
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