Sanmenchan: Difference between revisions
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'''Sanmenchan''' {{kana|三面張}} is a class of [[machi|wait patterns]] for three-sided waits. The most common involves a combination of two [[ryanmen]] (open wait). In fact, this is the default form. This pattern utilizes a string of five consecutive numbered tiles in the hand. The exact middle tile of this string is one of the waiting tiles, while the other two hand off the edge of the string. Hands can wait on three kinds of tiles using other forms. Some of them take names of their own, while others do not. | '''Sanmenchan''' {{kana|三面張}} is a class of [[machi|wait patterns]] for three-sided waits. The most common involves a combination of two [[ryanmen]] (open wait). In fact, this is the default form. This pattern utilizes a string of five consecutive numbered tiles in the hand. The exact middle tile of this string is one of the waiting tiles, while the other two hand off the edge of the string. Hands can wait on three kinds of tiles using other forms. Some of them take names of their own, while others do not. | ||
== | ==Named patterns== | ||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Name !! Pattern !! Waiting | ! Name !! Pattern !! Waiting | ||
|- | |||
! colspan=3| Description | |||
|- | |||
| [[Ryanmenten]] || {{#mjt:000000z45678s00z}} || {{#mjt:3s}}, {{#mjt:6s}}, or {{#mjt:9s}} | |||
|- | |||
| colspan=3| This is the most common form of the three-sided wait. This involves two ryanmen, connected by one mutual waiting tile in the middle. The wait always points to one of the full [[suji]] patterns. | |||
|- | |- | ||
| [[Entotsu]] || {{#mjt:11m45666s000000z}} || {{#mjt:1m}}, {{#mjt:3s}}, or {{#mjt:6s}} | | [[Entotsu]] || {{#mjt:11m45666s000000z}} || {{#mjt:1m}}, {{#mjt:3s}}, or {{#mjt:6s}} | ||
|- | |- | ||
| | | colspan=3| | ||
|- | |- | ||
| [[Ryantan]] || | | [[Ryantan]] || {{#mjt:4555m000000000}} || {{#mjt:3m}}, {{#mjt:4m}}, {{#mjt:6m}} | ||
|- | |||
| colspan=3| | |||
|- | |- | ||
| [[Sanmentan]] || {{#mjt:2345678p000000z}} || {{#mjt:2p}}, {{#mjt:5p}}, or {{#mjt:8p}} | | [[Sanmentan]] || {{#mjt:2345678p000000z}} || {{#mjt:2p}}, {{#mjt:5p}}, or {{#mjt:8p}} | ||
|- | |||
| colspan=3| | |||
|} | |} | ||
==Strategy== | ==Strategy== | ||
Revision as of 01:58, 30 September 2022
| Kanji | 三面張 |
|---|---|
| Fu | 0 fu |
| Tile types waiting | 3 sided wait |
| Tiles available | 11 tiles |
| Pattern example |
     |
| Tenhou.net example |
Open Furiten |
Sanmenchan 「三面張」 is a class of wait patterns for three-sided waits. The most common involves a combination of two ryanmen (open wait). In fact, this is the default form. This pattern utilizes a string of five consecutive numbered tiles in the hand. The exact middle tile of this string is one of the waiting tiles, while the other two hand off the edge of the string. Hands can wait on three kinds of tiles using other forms. Some of them take names of their own, while others do not.
Named patterns
| Name | Pattern | Waiting |
|---|---|---|
| Description | ||
| Ryanmenten |       |
 , , or 
|
| This is the most common form of the three-sided wait. This involves two ryanmen, connected by one mutual waiting tile in the middle. The wait always points to one of the full suji patterns. | ||
| Entotsu |  |
, , or
|
| Ryantan |   |
 , , 
|
| Sanmentan |   |
, , or
|
Strategy
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Sanmenchan is a powerful wait due to the large number of waiting tiles: 11 maximum possible, using any of 3-tile types. That number cannot be 12, due to one waiting tile (the middle number) already present in the hand. The waiting pattern is limited, however, to one of the three numbered suits. With suji, the waiting pattern involves one of the three mahjong intervals.
External links
- Sanmenchan in Japanese Wikipedia
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