1. Main line 1. c4 e5 2. Nc3 Nf6 3. g3 c6 Choose a line 1. Main line 1. c4 e5 2. Nc3 Nf6 3. g3 c6 2. Main line, 4... c6 1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6 Close 1. Main line 1. c4 e5 2. Nc3 Nf6 3. g3 c6 2. Main line, 4... c6 1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6 Next