1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g1f3  3... d7d5  4. b1c3  4... f8b4  5. e2e3  5... e8g8  6. c1d2 Quite a solid  line. 6... b7b6  7. c4d5  7... e6d5  8. f1d3  8... c8b7  9. e1g1  9... b4e7  10. f3e5  10... c7c5  11. c3e2  11... b8c6  12. e5c6 A novelty. 12... b7c6  13. d4c5  13... b6c5 The arising hanging pawn structure looks quite alright for Black. The pawns are not under siege yet, and Aronian has  clear prospects of a play along the b-file. 14. d2c3  14... d8b6  15. e2g3 Erigaisi weakens the opponent's kingside. Why? We  shall see in a moment.