1. Main line 1. e4 c5 2. Nf3 Nf6 Choose a line 1. Main line 1. e4 c5 2. Nf3 Nf6 2. Advance Variation 1. e4 c5 2. Nf3 Nf6 3. e5 3. Closed Variation 1. e4 c5 2. Nf3 Nf6 3. Nc3 4. Exchange Variation 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc3 5. Main Line 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc6 Close 1. Main line 1. e4 c5 2. Nf3 Nf6 2. Advance Variation 1. e4 c5 2. Nf3 Nf6 3. e5 3. Closed Variation 1. e4 c5 2. Nf3 Nf6 3. Nc3 4. Exchange Variation 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc3 5. Main Line 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc6 Next