1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g1f3  3... d7d5  4. b1c3  4... f8b4  5. e2e3  5... e8g8  6. c1d2  6... b7b6 A super-solid line of the Nimzo-Indian Defense, is it not $2 7. c4d5  7... e6d5  8. f1d3  8... c8b7  9. d1c2 That is already rare—what does Aronian have on his mind $2