1. g1f3  1... d7d5  2. b2b3  2... g8f6  3. e2e3  3... g7g6  4. c1b2  4... f8g7  5. c2c4  5... e8g8  6. d2d4 Nakamura has many games in this position. 6... c7c6  7. f1d3  7... c8g4  8. b1d2  8... b8d7  9. h2h3 