1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g1f3  3... d7d5  4. b1c3  4... f8e7 Nakamura trusts his QGD till the  end. Indeed, what is the use of the classical openings if we cannot use  them in the decisive games? 5. c1f4  5... e8g8  6. e2e3  6... b8d7  7. f1e2  7... d5c4  8. e1g1  8... a7a6  9. a2a4  9... f6d5  10. f4g3  10... c7c5 Simple play. Black enters an IQP structure with a  white bishop on the b8-h2 diagonal which many people believe not to be  optimal for White. 11. e2c4  11... c5d4  12. e3d4  12... d7b6  13. c4b3  13... a6a5 Indeed, the white pawn should not be allowed to get to the  a5 square. 14. f3e5  14... c8d7 