1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g1f3  3... d7d5  4. b1c3  4... f8b4  5. c4d5  5... e6d5  6. c1g5  6... h7h6  7. g5h4  7... e8g8  8. e2e3  8... c8f5  9. d1b3  9... b4c3  10. b3c3 This is the modern move against the Ragozin. 10... g7g5 But as a leading specialist of the line, Aronian is, of  course, aware of it. With his last move, he is entering less charted  territory. 11. h4g3 