Intending Bd6-e5 that Carlsen simply prevents:
1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g1f3  3... c7c5  4. e2e3  4... d7d5  5. c4d5  5... e6d5  6. f1b5  6... c8d7  7. b5d7  7... d8d7  8. e1g1  8... b8c6  9. b2b3  9... c5d4  10. f3d4  10... c6d4 This is unusual. The capture  seems to develop only the white pieces. 11. d1d4  11... f8d6  12. c1b2  12... e8g8  13. b1c3 