[Link] Manual of Yakuman(GB)

https://gbdbstorage.s3.amazonaws.com/manuals/dmg/DMG-MJJ-1_Ja_0.pdf

[Rule] "Kuikae（喰い替え）" is allowed in this game.

In Yakuman(GB), you can do kuikae. (In general rules, this is not allowed.)

(If you want to know more about "Kuikae," see [https://riichi.wiki/Kuikae](https://riichi.wiki/Kuikae).)

役満(GB)では「喰い替え」が可能です。

https://www.twitch.tv/videos/2066278849

[Rule] "Open Pinfu" is counted as 20 fu in this game.

Winning by claiming a discard with an open hand with melds and waits to which zero fu is awarded, the hand is not 30 fu but counted as 20 fu. (In some general rules, this is counted as 30 fu hand.)

「役満(GB)」では、いわゆる食いピンフ系のロン和了は、30符ではなく20符として扱われます。（一般的なルールでは30符です。）

![](/static/blob/5e1r5vz0.png)



名称	作者
[Link] Manual of Yakuman(GB)	asasumi 1 year ago
[Rule] "Kuikae（喰い替え）" is allowed in this game.	asasumi 1 year ago
[Rule] "Open Pinfu" is counted as 20 fu in this game.	asasumi 1 year ago