strategy riichi
Betaori
ベタ降り
(べたおり)
Definition
Complete defensive folding. Discarding only 100% safe tiles to avoid dealing into another player's hand, abandoning any chance of winning yourself.
Related Terms
Genbutsu
現物
A safe tile - specifically a tile that has been discarded by a player after they declared riichi. 100% safe to discard against that player's hand.
Suji
筋
Interval-based safe tile theory. If an opponent discards a 4, then 1 and 7 become safer (suji tiles) because they can't form a ryanmen wait with 4 anymore.
Kabe
壁
Wall - a defensive reading technique where all four copies of a tile are visible, making certain waits impossible. Used to identify safe discards.