1. Main line 1. e4 d6 Choose a line 1. Main line 1. e4 d6 2. Main line, 2. d4 1. e4 d6 2. d4 3. Main line, 2... Nf6 1. e4 d6 2. d4 Nf6 4. Roscher Gambit 1. e4 d6 2. d4 Nf6 3. Nf3 Close 1. Main line 1. e4 d6 2. Main line, 2. d4 1. e4 d6 2. d4 3. Main line, 2... Nf6 1. e4 d6 2. d4 Nf6 4. Roscher Gambit 1. e4 d6 2. d4 Nf6 3. Nf3 Next