1. Main line 1. d4 Nf6 2. Nf3 c5 3. d5 b5 Choose a line 1. Main line 1. d4 Nf6 2. Nf3 c5 3. d5 b5 Close 1. Main line 1. d4 Nf6 2. Nf3 c5 3. d5 b5 Next