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 