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Riichi Mahjong Primer | Riichi Mahjong Primer | ||
This article will attempt to describe how to play riichi mahjong (Japanese Mahjong) online in a simple and concise way. Therefore, instructions to | This article will attempt to describe how to play riichi mahjong (Japanese Mahjong) online in a simple and concise way. Therefore, any instructions related to setting up the game are omitted for this guide. | ||
<div style="float:right; margin:0 0 1em 1em;">__TOC__</div> | <div style="float:right; margin:0 0 1em 1em;">__TOC__</div> | ||
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==Tiles== | ==Tiles== | ||
There are 36 types of tiles, and 4 of each type, for a total of 136 tiles. They can be grouped into two major categories: | There are 36 types of tiles, and 4 of each type, for a total of 136 tiles. They can be grouped into two major categories: | ||
'''Number Tiles'''. Each "suit" of numbered tile has tiles from 1-9. They can be used to form sequences, triplets, and pairs. | '''Number Tiles'''. Each "suit" of numbered tile has tiles from 1-9. They can be used to form sequences, triplets, and pairs. | ||
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*A winning shape. With two exceptions, winning hands are comprised of 4 "[[#Sets|sets]]" + 1 "[[#Pairs|pair]]". | *A winning shape. With two exceptions, winning hands are comprised of 4 "[[#Sets|sets]]" + 1 "[[#Pairs|pair]]". | ||
*A "[[yaku]]". Yaku are conditions that increase your hand's point value. '''In essence, a hand cannot win with 0 points, therefore a hand cannot win without any yaku'''. | *A "[[yaku]]". Yaku are conditions or criteria that increase your hand's point value. '''In essence, a hand cannot win with 0 points, therefore a hand cannot win without any yaku'''. A yaku may rely on the tiles in the hand, or it may be based on how you win the hand. | ||
**(Note: a hand may gain value via "[[dora]]" tiles, but if the hand has no value other than dora, it cannot win.) | **(Note: a hand may gain value via "[[dora]]" tiles, but if the hand has no value other than dora, it cannot win.) | ||
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==Yaku== | ==Yaku== | ||
[[Yaku]] are specific criteria that gain you points. For example, [[toitoi|All Triplets]] requires all 4 sets to be triplets.To repeat, a hand cannot win with 0 points, therefore a hand ''must'' have at least 1 yaku. | {{Main|Yaku}} | ||
[[Yaku]] are specific criteria that gain you points. For example, [[toitoi|All Triplets]] requires all 4 sets to be triplets. To repeat, a hand cannot win with 0 points, therefore a hand ''must'' have at least 1 yaku. | |||
A hand can technically gain points with [[dora]] tiles. But if a hand has only dora tiles, and no yaku, it still can't win. | A hand can technically gain points with [[dora]] tiles. But if a hand has only dora tiles, and no yaku, it still can't win. | ||
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After calling chii or pon, you discard a tile immediately, and it becomes the next player's turn. Therefore, when calling pon, you may skip other players' turns. | After calling chii or pon, you discard a tile immediately, and it becomes the next player's turn. Therefore, when calling pon, you may skip other players' turns. | ||
After calling, you may not adjust the called set afterwards. So if you chii a 123 sequence, you may not change the sequence after drawing a 4. | Calling comes with multiple downsides: | ||
*After calling, you may not adjust the called set afterwards. So if you chii a 123 sequence, you may not change the sequence after drawing a 4. | |||
*Calling reveals the set you completed. Other players may know the type and/or value of the hand once you call. | |||
*Calling cheapens the hand, by preventing certain yaku, and reducing the value of other yaku. '''Therefore, when calling, you should have at least one yaku planned.''' | |||
Also, under most rules, you cannot "swap call" - you cannot discard a tile that would complete the set you just called. For example, if you had call 4-sou with a 23-sou semi-sequence, you cannot discard a 1. If you pon a 5-man, you cannot discard another 5-man. | |||
===Kan=== | ===Kan=== | ||