1. Main line 1. d4 Nf6 2. Nf3 b6 Choose a line 1. Main line 1. d4 Nf6 2. Nf3 b6 2. Main line, 6... Be7 1. d4 Nf6 2. Nf3 b6 3. e3 Bb7 4. Bd3 e6 5. Nbd2 c5 6. b3 Be7 Close 1. Main line 1. d4 Nf6 2. Nf3 b6 2. Main line, 6... Be7 1. d4 Nf6 2. Nf3 b6 3. e3 Bb7 4. Bd3 e6 5. Nbd2 c5 6. b3 Be7 Next