A new move.
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  9... g4f3  10. d2f3  10... e7e6  11. d1c2 