Ryuuiisou

Ryuuiisou is one of the standard yakuman hands. This hand consists of any four melds and a pair that consists of only 2, 3, 4, 6, 8 of souzu and/or the green dragon tiles. This hand may be open or closed.

Tile diagram

Winning tile: or

Open

Winning tile: or

English reference

• All green

Value

This hand is a yakuman hand which automatically awards 32000 points to a non-dealer winner, or 48000 points to a dealer winner.

Formation

This yakuman is literally all green, as all the tiles are composed of green tiles. No markings of other color are applied to these tiles, hence its designation as all green. With this yakuman, only six tile types are available:

• 

With the four melds and a pair pattern, at least, five out of the six tile types are needed to complete this yakuman. It is possible to use all six tile types, when 2-3-4 were used as shuntsu. Yet, it is impossible to form a chii toitsu type pattern.