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(update intro section & basic wait patterns - condense, improve english, add information on basic waits)
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'''Machi''' {{kana|待ち}}, or "waits" in English, are patterns that can be used to form [[tile group]]s and/or [[pair]]s. They of are particular interest for [[tenpai]] hands, since a tenpai hand's wait determines which tiles it can win with.
'''Machi''' {{kana|待ち}}, or "waits" in English, are patterns that can be used to form [[tile group]]s and/or [[pair]]s. They of are particular interest for [[tenpai]] hands, since a tenpai hand's wait determines which tiles it can win with.


There are 5 "basic wait patterns". These patterns are the most frequent: they are comprised of only 1-2 tiles, and are not dependent on anything else in the hand. Basic waits can be combined in order to form bigger, "complex waits".
There are 5 basic wait patterns. These patterns are the most frequent: they are comprised of only 1-2 tiles, and are not dependent on anything else in the hand. Basic waits can be combined in order to form "complex waits".


== Overview ==
== Overview ==
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|2 || 8 tiles || 0 fu
|2 || 8 tiles || 0 fu
|-
|-
| [[Shanpon]] || 双ポン ||Dual pair || {{machi|pattern  = 44s99p000000000z|tilewaits = 4s9p}}
| [[Shanpon]] || 双ポン || Dual pair || {{machi|pattern  = 44s99p000000000z|tilewaits = 4s9p}}
| 2 || 4 tiles || 0 fu
| 2 || 4 tiles || 0 fu
|-
|-
| [[Kanchan]] || 嵌張 || Closed/middle || {{machi|pattern  = 35m00000000000z|tilewaits = 4m}}
| [[Kanchan]] || 嵌張 || Closed/Middle || {{machi|pattern  = 35m00000000000z|tilewaits = 4m}}
| 1 || 4 tiles || 2 fu
| 1 || 4 tiles || 2 fu
|-
|-
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|}
|}


Each of these wait patterns are also worth [[fu]]. For the purposes of fu counting, a complex wait can always be interpreted as one of the basic waits. (If multiple interpretations are possible, the highest scoring one is used. This may or may not be the one with the most fu.)
Each of these wait patterns are worth a set amount of [[fu]]. For the purposes of fu counting, a complex wait can always be interpreted as one of the basic waits. (If multiple interpretations are possible, the highest scoring one is used. This may or may not be the one with the most fu.)
 
Assuming all else equal, ryanmen is the strongest of the basic wait patterns, with twice the number of tiles as the others. Shanpon is stronger than the others, since waiting on 2 types of tile is better than 1, and shanpon can wait with [[honor]] tiles. Kanchan and penchan are equally strong in tenpai; kanchan is stronger before tenpai, since it is easier to upgrade into ryanmen. Tanki is the weakest, but can be suprising.


==Named combinations==
==Named combinations==
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