1. e2e4  1... c7c5  2. g1f3  2... b8c6  3. d2d4  3... c5d4  4. f3d4  4... e7e5 A risky variation that shows that Nakamura was willing to play for the win with Black. This choice certainly surprised his opponent, who was probably expecting the Berlin. 5. d4b5  5... d7d6  6. b1c3  6... a7a6  7. b5a3 