Slowly the game shifted into  the Zaitsev line.
1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... g8f6 Carlsen follows the golden rule of the  experienced player: "an endgame with the youth." 4. d2d3 But the Berlin  Endgame is rejected. 4... d7d6  5. c2c3  5... a7a6  6. b5a4  6... f8e7  7. e1g1  7... e8g8  8. f1e1  8... f8e8  9. b1d2  9... e7f8  10. h2h3  10... b7b5  11. a4c2  11... c8b7  12. d3d4 