King's Gambit
chess opening beginning with the moves 1. e4 e5 2. f4
King's Gambit Accepted
chess opening; line of the King's Gambit
Mafia Defence
chess opening beginning with the moves 1. e4 e5 2. f4 c5
King's Gambit Declined
chess opening in which the King's Gambit (1. e4 e5 2. f4), offering to sacrifice a pawn, is rejected