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  7... c8e6  8. a3c4  8... a8b8 This mysterious move is a specialty of GM Maghsoodloo. I won't pretend to understand the idea. Let's say it's a kind of super protection to play b7-b5 at some point. 9. c3d5  9... e6d5  10. e4d5  10... c6e7 