Ryanmen
| Kanji | 両面 |
|---|---|
| English | Open wait |
| Fu | 0 fu |
| Tile types waiting | {{{type}}} sided wait |
| Tiles available | 8 tiles |
| Pattern example |
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| Tenhou.net example | {{{gameExample}}} |
Ryanmen (両面) are the most commonly occurring wait pattern in the game. Commonly referred as the "open wait", this pattern involves two consecutively numbered tiles, waiting on the "outside" number. For example, a 34 needs either a 2 or a 5 in order to form melds 234 or 345.
Pattern
Waiting for: 
or 
Always, ryanmen wait for two tiles. In addition, two ryanmen patterns may combine to form a ryanmenten, which waits for 3 tiles instead of two.
Fu
Due to its relatively ease, the ryanmen pattern is not awarded any fu. The inability to gain fu based on ryanmen makes it an essential component to the yaku, pinfu.
Best uses
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To effectively use ryanmen, a player must know the "mahjong octave" or "intervals".