Three Chekhover Sicilians played in round one of the women's Olympiad in Baku
I used to know everything and nothing about the Chekhover Sicilian. In the days before databases, I'd compiled every available master game on 3x5 cards, and in an amazingly backward effort, memorized each of them up to the point they branched from the tree (chess games only become useful after then).
Three Chekhovers arose in round one of the women's Olympiad at Baku. White scored 2-1; the wins were thematically pleasing.