Han: 2 han
Closed only
Difficulty: ★★★☆☆
Requirement:
- Declare Riichi on your very first discard
- No calls or concealed Kan declarations occurred before your Riichi
Meaning:
A stronger version of Riichi that rewards an early closed tenpai. Opponents often play defensively when Double Riichi is declared.
Good with:
Ippatsu / Ura-dora / Menzen Tsumo / Dora
Cannot combine:
Riichi (they do not stack)