)*C33: 1.e4 e5 2.f4 exf4 (King's Gambit Accepted)*C34: 1.e4 e5 2.f4 exf4 3.Nf3 (King's Knight's Gambit)*C35: 1.e4 e5 2.f4 exf4 3.Nf3 Be7 (Cunningham Defense)*C36: 1.e4 e5 2.f4 exf4 3.Nf3 d5 (Abbazia Defense)*C37: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Nc3 /4.Bc4 g4 5.0-0 (Muzio Gambit)*C38: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 (Philidor, Hanstein, etc.
*C30: 1.e4 e5 2.f4 (Kraljev gambit)*C31: 1.e4 e5 2.f4 d5 (Falkbeejev protigambit)*C32: 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 (Morphy, Charousek, etc.