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Riichi Book 1: Difference between revisions
→Tile groups
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{{main|Machi|Mentsu|Taatsu}} | {{main|Machi|Mentsu|Taatsu}} | ||
Tile groups can be broken down into two subcategories: [[Shuntsu|sequential]] and [[Ankou|triplets]]. Of the two, the former is the easier to complete by virtue of greater tile counts for completion. For every [[Machi|waiting pattern]], there is a set number of waiting tiles. [[Ryanmen]] provide the greatest number of waiting tiles from using just two tiles. As for other shapes, players may need to consider the ability for the tile shape to be reformed. | Tile groups can be broken down into two subcategories: [[Shuntsu|sequential]] and [[Ankou|triplets]]. Of the two, the former is the easier to complete by virtue of greater tile counts for completion. For every [[Machi|waiting pattern]], there is a set number of waiting tiles. [[Ryanmen]] provide the greatest number of waiting tiles from using just two tiles. As for other shapes, players may need to consider the ability for the tile shape to be reformed. During the formation of a hand, players may upgrade isolated tiles into [[taatsu]]. | ||
===Tile versatility=== | |||
Certain tiles are more versatile than others. This is due to the number ranges. | |||
{{#mjt:123456789m}} | |||
Tile closer to the terminals have fewer tiles, that can help improve the shape. Tiles 3-7 each can form taatsu using four tile types. Tiles 2 and 8 are reduced to needing any of three tile types. [[Routouhai|Terminals]] are limited to just two tile types in order to develop. The [[Jihai|honor tiles]] are the most difficult as they are each reduced to their own type. | |||
Furthermore, [[kanchan]] waits can be ordered by versatility. This stems from their ability to be reshaped and upgraded into ryanmen. | |||
===Pairs=== | |||
{{main|Toitsu}} | |||
All hands require paired tiles for completion. Then there is [[chiitoitsu]], which is a collection of pairs. If a developing hand lacks a pair, then logically, the hand needs one. Of course, a hand could be tenpai on the pair, or [[tanki]]. However, as a wait, it is not an ideal one. If possible, a hand can be improved with a specific draw even when tenpai to produce a waiting pattern with a greater range to tile types. | |||
The pair is a [[taatsu]]. Like any, they can be upgraded. In this case, a pair can become a triplet. Pairs are not often ideal, especially when more than one is in the hand. The weakest count of pairs falls on three, as efficiency gets hindered by the lower number of waiting tiles. A hand with four pairs at least has chiitoitsu as a consideration. | |||
==External links== | ==External links== | ||