triple riichi; one away from winning with three possible winning tiles
Mahjong term: a hand that is one tile away from winning (tenpai) and has three different tiles that would complete it, declared on the first turn. The English gloss describes it as 'being one step away from victory, with three paths to achieve it'.
I declared triple riichi on my starting hand.
Triple riichi is a very rare yaku.
From English 'triple' + Japanese リーチ (riichi), a mahjong term derived from 'reach'. The combination describes a specific mahjong hand state.