context: 1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1c4  3... g8f6  4. d2d3  4... h7h6 A flexible move that keeps several plans open: he can play g7-g5 and Bg7, a bold idea that became popular a few years ago; or play g6-Bg7; or simply develop the bishop on its natural square, c5, without White being able to play Bc1-g5. 5. c2c3  5... f8c5  6. b2b4  6... c5e7  7. a2a4  7... d7d6  8. d1b3  8... e8g8  9. e1g1  9... c6b8 The knight returns so that Black can prepare c6-d5. A very difficult move for someone not familiar with this opening, but Nakamura has this very well studied. 10. a4a5  10... c7c6  11. b3a2  11... d6d5  12. c4b3  12... d8c7 Defending the e5-pawn.