1. Main line 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. f4 Nxe4 5. Nf3 Choose a line 1. Main line 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. f4 Nxe4 5. Nf3 2. Vienna Game: Stanley Variation, Three Knights Variation 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 Close 1. Main line 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. f4 Nxe4 5. Nf3 2. Vienna Game: Stanley Variation, Three Knights Variation 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 Next