Chombo: Difference between revisions

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70 bytes added ,  18 January 2014
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* Declaring a win with a noten hand is definitely subject to chombo.
* Declaring a win with a noten hand is definitely subject to chombo.
* Declaring a win with an incomplete hand.
* Declaring a win with an incomplete hand.
=== Improper kan ===
{{main|Kan#Kan during riichi}}
If a hand declared riichi gets a kan called after the riichi, the hand may be subject to chombo.  This may occur if the [[machi|tile waits ]] change due to the kan call.  If the waits are not affected, then the call for kan is allowed.


=== Noten riichi ===
=== Noten riichi ===
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=== Invalid ankan ===
=== Invalid ankan ===
{{main|Kan#Kan during riichi}}
During riichi, a player may call [[kan]] with an ankan, or closed kan. However, this is invalid when the player's [[Machi|wait]] changes.  Typically, this occurs when, the four concealed tiles are connected to another [[mentsu|tile grouping]]. Other players cannot detect this rules violation immediately, and it is punished at the same time as a noten riichi.
'''Example:''' ''Riichi is declared.''
:{{#mjt:22234p777m345s33z}}


During riichi, a player may call [[kan]] with an ankan, or closed kan. However, this is invalid when the player's [[Machi|wait]] changes or the three concealed tiles could have been interpreted as something else than an ankou. Other players cannot detect this rules violation immediately, and it is punished at the same time as a noten riichi.
* {{#mjt:7m}} If this tile is drawn, then it is acceptable to call kan in this instance.
* {{#mjt:2p}} If this tile is drawn, then it is unacceptable to call kan. In fact, it is much better to simply call [[mentsumo|tsumo]] and win the hand.


=== Calling with a dead hand ===
=== Calling with a dead hand ===
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