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'''Mentsu''' | '''Mentsu''' {{kana|面子}} are the tile groups used for the [[Japanese mahjong|game]]. The groups follow a similar pattern to the regular card game, gin rummy, where the focus is on groups of three tiles and sometimes four. They are subdivided into three types: '''shuntsu''' (sequence), '''koutsu''' (three-of-a-kind), and '''kantsu''' (four-of-a-kind). Forming these groups is a central part of developing a mahjong hand, because it is required for attaining [[tenpai]] and completing hands. Two factors go towards the formation of these tile groups: suit and number (or type). | ||
==The | ==The tile groups== | ||
While the | While the tile groups are subdivided into three types, they are further subdivided into the state of open or closed. Mahjong features four types of tiles in terms of suits: the numbered suits and [[jihai|honors]]. By no means can a tile group be of mixed suit. Every tile group must be single-suited. Honor tiles take an even greater restriction, by which tile groups must be of particular tiles. Different honor tiles cannot be mixed with suited tiles or other honor tiles. Tiles among honor groups must be identical. To complete these tile groups, players must either self-draw from the wall or may [[Naki|call on discarded tiles]], presuming that two out of three of a tile group are in possession. An extended call may be used for closed triplets, when the fourth is discarded by which [[kan]] is invoked. | ||
===Shuntsu=== | ===Shuntsu=== | ||
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'''Shuntsu''' is a | '''Shuntsu''' {{kana|順子}} is a tile group consisting of three sequential numbered tiles. Self-drawn sequences are called '''anjun''' {{kana|暗順}}. The open variety are '''minjun''' {{kana|明順}}. | ||
To form a '''minjun''', players are limited to calling tiles from ''kamicha'', or the player from the left. Discarded tiles from the other two players, that are needed to complete this meld cannot be called upon. | |||
===Koutsu=== | ===Koutsu=== | ||
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|} | |} | ||
'''Koutsu''' is a | '''Koutsu''' {{kana|刻子}} is a tile group, consisting of three of the same type of tiles. In English, koutsu are referred as "triplets". Players may develop '''minkou''' {{kana|明刻}} (open triplets) by calling on discarded tiles, while in possession of pairs. | ||
===Kantsu=== | ===Kantsu=== | ||
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|} | |} | ||
Kan is a special tile call in the game. This call forms a meld from four identical tiles. | '''Kantsu''' {{kana|槓子}} must be declared by [[kan]], to be useful. Kan is a special [[Naki|tile call]] in the game. This call forms a meld from four identical tiles. After the declaration of "kan", then a special set of rules are invoked. | ||
==External links== | ==External links== | ||