1. g1f3  1... d7d5  2. b2b3  2... c8f5  3. c1b2  3... e7e6  4. d2d3  4... h7h6  5. b1d2  5... g8f6  6. g2g3  6... c7c5  7. f3e5  7... b8d7 A mechanical, obvious move and a novelty. And... a  mistake. 8. e2e4  8... f5h7  9. e5d7 