1. c2c3  1... e7e5  2. c3c4  2... g8f6  3. b1c3  3... f8b4  4. h2h4 Carlsen apparently insisted on trying this  one more time! 4... e8g8  5. e2e3  5... c7c6 A classical approach by a classical player. 6. g2g4  OK, now it starts to make sense. Carlsen is fighting for the center the  way people do it in the Reti opening. And the way another great  Scandinavian, Bent Larsen, loved to do with the g-pawn. 6... d7d5 A  central break against the g-pawn thrust. 7. g4g5  7... f6e8 