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Chankan: Difference between revisions
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→Hand pattern: clarify that not all rulesets allow the 5th kan
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[[image:Chankan.png|250px|thumb|[http://tenhou.net/0/?log=2012112813gm-0009-7447-af4e435f&tw=2&ts=8 Chankan example], where the player declared ron on 1-pin and all four are shown as a kan.]] | [[image:Chankan.png|250px|thumb|[http://tenhou.net/0/?log=2012112813gm-0009-7447-af4e435f&tw=2&ts=8 Chankan example], where the player declared ron on 1-pin and all four are shown as a kan.]] | ||
Alternatively, this yaku may be referred to as "robbing a kan". [[Tenpai]] for chankan must involve a hand, in which one of the [[machi|waiting tiles]] has been called as [[naki|pon]] by another player. Any tenpai hand works for chankan, even | Alternatively, this yaku may be referred to as "robbing a kan". [[Tenpai]] for chankan must involve a hand, in which one of the [[machi|waiting tiles]] has been called as [[naki|pon]] by another player. Any tenpai hand works for chankan, even if the hand is otherwise yakuless. As long as the waiting tile has been called for [[naki|pon]] earlier and then the player calls for an added kan, this creates a time for a player to claim the added tile for a win. Naturally, waits involving [[jihai|honor tiles]] do not work in this situation. | ||
While the call for kan reveals additional [[dora]], in the form of kan-dora, the call for chankan interrupts the process for kan. Therefore, additional dora is not revealed. | While the call for kan reveals additional [[dora]], in the form of kan-dora, the call for chankan interrupts the process for kan. Therefore, additional dora is not revealed. | ||
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===Limitation=== | ===Limitation=== | ||
When a player is in tenpai for [[suukantsu]], some [[rule varation]]s allow invoking a fifth kan to cause a draw. If a fifth kan is allowed, chankan may not apply - the game ends before a chankan can happen. | |||
==Machi== | ==Machi== | ||