1. c2c4  1... e7e6  2. g2g3  2... d7d5  3. f1g2  3... g8f6  4. g1f3  4... f8e7  5. d2d4  5... e8g8  6. b1c3 This is only the third most popular move, but it has some poison. 6... d5c4  7. f3e5  7... b8c6  8. g2c6 