hand structure riichi
Ryanmen
両面
(りゃんめん)
Definition
Double-sided wait - the strongest wait pattern, waiting on either side of a sequence (e.g., 45 waits on 3 or 6). 8 tiles available.
Related Terms
Kanchan
嵌張
A closed wait or inside straight wait. Waiting for the middle tile of a sequence (e.g., 35 waiting for 4). The least flexible wait pattern with only 4 tiles available.
Penchan
辺張
An edge wait - waiting for 3 with 12, or waiting for 7 with 89. Only 4 tiles available, making it a weak wait.
Pinfu
平和
All sequences - a 1-han yaku where your closed hand contains four sequences, a valueless pair, and waits on a double-sided wait (ryanmen). Worth exactly 20 fu when closed.