. . . . . . "21873350"^^ . . . "The Fishbein convention is a bidding convention in contract bridge developed by Harry Fishbein used to compete against a preemptive opening bid by the opponents."@en . . . . . . . . . . "Fishbein convention"@en . . . "810358481"^^ . "The Fishbein convention is a bidding convention in contract bridge developed by Harry Fishbein used to compete against a preemptive opening bid by the opponents."@en . . . . . . . . . . "1568"^^ . . .