1. Main line 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 Choose a line 1. Main line 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 2. Flohr Variation 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 3. Main Line 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 4. Maróczy Attack 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. f4 5. Caro-Kann Defense: Martian Gambit 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng5 Bg6 6. N1f3 h6 7. Ne6 Close 1. Main line 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 2. Flohr Variation 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 3. Main Line 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 4. Maróczy Attack 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. f4 5. Caro-Kann Defense: Martian Gambit 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng5 Bg6 6. N1f3 h6 7. Ne6 Next