1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... g8f6  4. e1g1  4... f6e4  5. f1e1  5... e4d6  6. f3e5  6... f8e7  7. b5f1  7... c6e5  8. e1e5  8... e8g8  9. d2d4  9... e7f6  10. e5e1 Both players have a lot of experience in this important position of the Berlin Defense. 10... f8e8  11. c1f4  11... e8e1  12. d1e1  12... d6e8 The most solid move. Taking on d4 is also possible although riskier. 13. c2c3  13... d7d5  14. b1d2  14... c7c6  15. a2a4 Carlsen had played this move before. He provokes some queenside pawn play before playing the bishop to d3. 15... a7a5  16. f1d3  16... g7g6  17. d2f3  17... e8g7  18. f4h6 A new and interesting move. 18... c8e6 A good reply. It's too early to place a piece on the f5-square. 19. h2h3  19... d8d6  20. e1d2  20... a8e8 