1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g1f3  3... d7d5  4. b1c3  4... c7c5  5. e2e3  5... b8c6  6. a2a3 Aronian thought  his opponent would not expect this. 6... d5c4  7. f1c4  7... a7a6  8. e1g1  8... b7b5  9. c4a2  9... c8b7  10. d4d5 \"Not particularly great move,\" said  Aronian. \"It is important to take advantage of Sasha's desire to think.\" He had prepared this a couple of days ago, but as he said, he was \"not  proud of it.\" 10... e6d5  11. c3d5  11... f8e7  12. e3e4  12... e8g8  13. c1f4  13... c5c4  14. f1e1 Aronian thought that his position is very  pleasant and obviously enjoyed his centralized forces. 14... f8e8  This looks very smart, but it has a tactical flaw. 15. d1d2 Missing a clever counter-blow. 15... e7c5  16. f4g5 Provoking a weakening on the kingside. 16... c5e7  17. h2h4 Logically trying to turn his central superiority into  a strong kingside attack. 17... h7h6 This is not bad, but there was a  simpler way to equalize in full. 18. g5f4  18... e7c5  19. f4c7 White decided to spoil the opponent's pawn structure.  19... d8c8 