Chombo: Difference between revisions

518 bytes added ,  3 August 2013
cheating, riichi, dead hand
(cheating, riichi, dead hand)
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=== Cheating ===
=== Cheating ===
Cheating is very possible in the game.  There are known various and elaborate cheating tricks.  Among these include stealing from the discard pile, or tile trading from the hand to the wall. For example, some tricks involve the ''sleight of hand''.
Cheating is very possible in the game.  There are known various and elaborate cheating tricks.  Among these include stealing from the discard pile, or tile trading from the hand to the wall. For example, some tricks involve the ''sleight of hand''.
Tournament judges might decide on an even more severe punishment than chombo or disqualify the cheater.


=== Invalid win ===
=== Invalid win ===
Players cannot declare a win with an incomplete hand or incorrect waiting tile.
 
Players cannot declare a win with an incomplete hand or on an incorrect waiting tile.
 
A hand must have at least one yaku minimum to win. Therefore, declaring a win on a hand without yaku is penalized.
 
A player in [[furiten]] cannot win by ron.  Instead, by the rule of furiten, a player is limited to winning via tsumo.  Declaring ron while furiten is penalized.


=== Noten riichi ===
=== Noten riichi ===
Riichi must be declared with a ''tenpai'' hand. Therefore, riichi declared with a ''noten'' hand is penalized.
 
Riichi may only be declared with a [[tenpai]] hand. Declaring riichi with a noten hand is not detected by the other players immediately. It goes unpunished if another player wins the hand or on an [[abortive draw]]. The noten riichi is punished with chombo if the player declares a win, or when the hand must be revealed at [[ryuukyoku]].


=== Unrevealed riichi ===
=== Unrevealed riichi ===
If the hand ends in [[ryuukyoku]] while at least one player declared riichi, it is a requirement to show the hand as proof of being in tenpai. Depending on the specific rules, a player may refuse to show the hand and instead take the penalty.


=== Win with no yaku ===
If the hand ends in [[ryuukyoku]], riichi declarers must show their hands as proof of being in tenpai. Depending on the specific rules, a player may refuse to show the hand and instead take the penalty.
A hand must have at least one yaku minimum to win. Therefore, declaring a win on a hand without yaku is penalized.
 
=== Invalid ankan ===
 
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.


=== Win during furiten ===
=== Calling with a dead hand ===
A player in [[furiten]] cannot win by ron.  Instead, by the rule of furiten, a player is limited to winning via tsumo.  Declaring ron while furiten is penalized.


=== Invalid ankan ===
A player with a dead hand is forbidden to make any type of call, such as chii, pon, kan, riichi, tsumo, or ron.
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.


=== Wall destruction ===
=== Wall destruction ===
A player cannot crash and destroy the wall, such that the tile arrangement cannot be recovered.
 
A player may not crash and destroy the wall, such that the tile arrangement cannot be recovered.


== External links ==
== External links ==
[[Category:Game rules]]
[[Category:Game rules]]
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