Japanese mahjong: Difference between revisions

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* To claim and complete '''triplets''', any player may claim the tile and call ''pon''.
* To claim and complete '''triplets''', any player may claim the tile and call ''pon''.
* A player may also complete '''quads'''. Like ''pon'', any player may call ''kan''. This is applicable when a player already has a triplet in the hand, and wishes to claim a 4th.
* A player may also complete '''quads'''. Like ''pon'', any player may call ''kan''. This is applicable when a player already has a triplet in the hand, and wishes to claim a 4th.
* If the discarded tile completes a hand, then any player may call ''ron''. See [[Riichi_mahjong#Winning_a_hand|Winning a hand]].
* If the discarded tile completes a hand, then any player may call ''ron''.


Finally, a hand is distinguishable between an '''open hand''' and '''closed hand'''. A closed hand composed of a player's hand, who had yet to make any claim on a discard. A hand in this state is fully concealed from the other players. In the event a player makes a claim on a discard, then the player's hand changes from a closed hand to an open hand. Usually, a player's hand value decreases in the event of an open hand, but this may not always be the case, especially for some ''yakuman'' hands. Japanese mahjong strategy centers on knowing when to appropriately make the above calls. Knowledge of the ''yaku'' plays a large part in this decision making process.
Finally, a hand is distinguishable between an '''open hand''' and '''closed hand'''. A closed hand composed of a player's hand, who had yet to make any claim on a discard. A hand in this state is fully concealed from the other players. In the event a player makes a claim on a discard, then the player's hand changes from a closed hand to an open hand. Usually, a player's hand value decreases in the event of an open hand, but this may not always be the case, especially for some ''yakuman'' hands. Japanese mahjong strategy centers on knowing when to appropriately make the above calls. Knowledge of the ''yaku'' plays a large part in this decision making process.
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