Riichi/Dora Mahjong - Custom Rules
Scoring Options
Uma Bonus
Bonus paid to the first and second place players by the fourth and third place.
Multiple Yakuman
If yes, hands that fulfill the requirements of multiple yakuman hands will be scored as such.
Practice Options
Damaten only
You may not declare riichi. Use this to practice forming yaku without the easy riichi yaku. Or to practice telling when an opponent is tenpai without the riichi call.
Closed hands only
You may only call tiles for ron. Use this to practice forming hands from drawn tiles efficiently.
Chombo Penalties
Not available for use yet.