Kan: Difference between revisions

Kan (view source)

Revision as of 23:57, 31 July 2013

406 bytes added , 31 July 2013

detailed rules on when to kan, when to ron

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Simon

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 This is also called an "open kan".  A player possesses three of a tile type.  Then the fourth is discarded.  The player may claim the discarded tile and form a ''daiminkan''.  Upon doing so, the player has opened the hand.
-===Chakan===
+A ''daiminkan'' may not be made with the last discard of the game, i.e., when there is no tile left in the wall which could replenish the dead wall.
-Also referred as an "added kan", a player had previously called pon to form a ''minkou'', or open triplet.    Upon drawing the fourth tile, the player may add that tile to the minkou and upgrade it to a ''chakan''.  If the fourth tile was discarded by another player, it cannot be claimed by kan.
-The player may declare this kan during any turn; and therefore, the player does not need to declare kan immediately at first opportunity.  If the player had claimed a discarded tile instead of drawing a tile, then the ability to declare kan is disabled.  Instead, the player would have to wait for the next tile draw, in order to do so.
+===Shominkan===
+Also referred as an "added kan", a player had previously called pon to form a ''minkou'', or open triplet.    Upon drawing the fourth tile, the player may add that tile to the minkou and upgrade it to a ''shominkan'' or ''chakan''.  If the fourth tile was discarded by another player, it cannot be claimed by kan.
+The player may declare this kan during any turn; and therefore, the player does not need to declare kan immediately at first opportunity.  If the player has just claimed a discarded tile instead of drawing a tile from the wall or the dead wall, then the ability to declare kan is disabled on this turn. The player would have to wait for the next tile draw instead. It is also forbidden to declare a kan while the wall is empty, because the dead wall cannot be replenished.
+If another player is tenpai and the added tile completes his hand, that player may call ''ron'' immediately after the ''shominkan'' declaration. This is called ''chankan'' or ''robbing the kan''. It ends the hand before the kan is completed, therefore no kan dora indicator is flipped.
 ===Ankan===
 Also known as a "closed kan", a player may draw all four of a tile type.  Unlike the other two kan types, ''ankan'' keeps the hand closed.  That's despite the declaration to the other players and the revealing of the four tiles.
-The player may declare this kan during any turn; and therefore, the player does not need to declare kan immediately at first opportunity.  If the player had claimed a discarded tile instead of drawing a tile, then the ability to declare kan is disabled.  Instead, the player would have to wait for the next tile draw, in order to do so.
+Like a ''shominkan'', an ''ankan'' may be declared on any turn while the player holds all four tiles. The same restrictions as for the ''shominkan'' apply.
+An ''ankan'' may not be robbed, except to win with [[kokushi musou]].
-==Rinshan kaihou==
+== Rinshan kaihou ==
-'''Rinshan kaihou''' is a special [[List of yaku|yaku]] based on acquiring a winning tile off of the dead wall.
+'''Rinshan kaihou''' is a [[List of yaku|yaku]] gained by calling tsumo on the replacement tile after any type of kan declaration.
 ==Chankan==
-'''Chakan''' is a special yaku applied to chakan only.  If another player is in tenpai using a tile for a chakan upgrade, then the player may "steal" that tile and call for a win.
+'''Chankan''' is a yaku for calling ''ron'' against a ''shominkan'' declaration.
 ==External links==
 [[Category:Yaku]]