1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1c4 No surprises so far by both players. Nakamura  sticks to his classical Black strategy, as Carlsen searches for a small  opening advantage. 3... f8c5  4. c2c3  4... g8f6  5. d2d3  5... e8g8 