[%c_effect d2;square;d2;type;Interesting;persistent;true] As is usually the case, Carlsen has his own views on openings. He is a creator, not a follower.
1. g1f3  1... d7d5  2. g2g3  2... g8f6  3. f1g2  3... c7c5  4. e1g1  4... e7e6  5. c2c4  5... d5d4  6. e2e3  6... b8c6  7. e3d4  7... c5d4  8. d2d3 This position can arise from many different move orders. Here Black has a wide choice: he can develop the bishop on e7, d6, c5, or he can play the prophylactic 8...h6 first, preventing plans with Bg5 or Ng5 by White. 8... f8d6 Ding chooses the most popular move.