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In this example, a kan declaration does not change the wait, but it does change the possible interpretations of the hand. The pinzu section can be interpreted either as three consecutive triplets or three identical sequences : | In this example, a kan declaration does not change the wait, but it does change the possible interpretations of the hand. The pinzu section can be interpreted either as three consecutive triplets or three identical sequences : | ||
:{{#mjt:222p}} {{#mjt:333p}} {{#mjt:444p}} or {{#mjt:234p}} {{#mjt:234p}} {{#mjt:234p}} | :{{#mjt:222p}} {{#mjt:333p}} {{#mjt:444p}} or {{#mjt:234p}} {{#mjt:234p}} {{#mjt:234p}} | ||
In this case, a kan call on any of the pinzus would leave only the three triplets interpretation possible. Thus, any of these kan | In this case, a kan call on any of the pinzus would leave only the three triplets interpretation possible. Thus, any of these kan could be deemed illegal after riichi (depending on ruleset). | ||
===Last tile=== | ===Last tile=== | ||
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{{Main|Tochuu ryuukyoku}} | {{Main|Tochuu ryuukyoku}} | ||
Suukaikan is an [[abortive draw]] that occurs when a total of four kans have been called by at least two players. Once the fourth kan has been made, the [[kyoku|hand]] immediately ends once the kan-declarer discards a tile. | |||
However, | However, if a single player makes four kans by themselves (thus entering tenpai for [[suukantsu]]), this draw does not occur. The game continues, giving the player a chance to score the yakuman. | ||
* Under many rulesets, the other players are not allowed to call a fifth kan to invoke the abortive draw. The fifth kan is simply not allowed. | |||
* Under some rulesets, a player may call a fifth kan to immediately end the game in a draw.<ref>https://na.finalfantasyxiv.com/lodestone/playguide/contentsguide/goldsaucer/doman-mahjong/special_rule</ref> The fifth kan draw happens before [[chankan]] and [[rinshan]] can happen. | |||
This abortive draw exists due to how the [[dead wall]] works. Each time a kan is declared, a tile is drawn from the dead wall. The dead wall is 14 tiles large, with 10 tiles reserved as [[dora]] indicators, leaving 4 tiles left for kan calls. After four kans, players would be unable to declare kan again, as the fifth kan would draw from the dora indicators. So unless someone is in tenpai for suukantsu, the game ends immediately after the fourth kan, to make sure that players don't run into the issue of "not being able to declare kan". | |||
== Yaku == | == Yaku == | ||