1. e2e4  1... c7c5  2. g1f3  2... d7d6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... g7g6  6. c1e3  6... f8g7  7. f2f3  7... a7a6  8. d1d2  8... h7h5  9. f1c4  9... b8d7 Carlsen prefers to develop first before pushing the b-pawn. 10. e1c1  10... b7b5 