1. d2d4  1... g8f6  2. c1g5  2... d7d5  3. e2e3  3... c7c5 This variation is considered one of Black's best options against the Trompowsky. 4. g5f6  4... g7f6  5. d4c5  5... e7e6  6. g1f3  6... f8c5  7. f1e2 