Daburu riichi
| Type | Yaku |
|---|---|
| Kanji | ダブル立直 or ダブルリーチ |
| English | Double ready |
| Value | 2 han |
| Speed | Immediate |
| Difficulty | At discretion |
Daburu riichi 「ダブル立直」 or 「ダブルリーチ」, or double riichi, is a special case for riichi. In this case, the player's start hand is already at tenpai from the dealt tiles. Naturally, a player has the option to declare riichi upon the first tile draw. No tile call may have interrupted the turn order before the declaration, where applicable. For the dealer, this case would be impossible.
Double riichi is worth 2 han instead of 1 han for a normal riichi, as a bonus for the initial timing. With the added han value, a call for double riichi has a huge advantage over the other players in conjunction with the immediate speed of the hand.
Tenhou and Chihou
Defending against double riichi
Double riichi's greatest advantage, aside from its speed, is the lack of information regarding safe tiles at the beginning of the hand. Initially, every tile is considered to be dangerous, as no to few discarded tiles show any indication of safe tiles. However, this advantage can be worn away as every non-winning tile becomes a safe tile upon discard. Per the furiten rule, every tile not claimed for a win after the riichi call is considered to be a safe tile - against the riichi caller. If a winning tile does not come soon enough, then other players may actually attain tenpai in their own right.
External links
- Daburu riichi in Japanese Wikipedia
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