1. Main line 1. e4 e5 2. f4 exf4 3. Nf3 Be7 Choose a line 1. Main line 1. e4 e5 2. f4 exf4 3. Nf3 Be7 2. Bertin Gambit 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3 3. Bertin Gambit, 7. Kh1 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3 fxg3 6. O-O gxh2+ 7. Kh1 4. McCormick Defense 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 Close 1. Main line 1. e4 e5 2. f4 exf4 3. Nf3 Be7 2. Bertin Gambit 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3 3. Bertin Gambit, 7. Kh1 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3 fxg3 6. O-O gxh2+ 7. Kh1 4. McCormick Defense 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 Next