1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. b1c3  3... f8b4  4. e2e3  4... e8g8  5. f1d3  5... c7c5  6. g1e2  6... b8c6  7. e1g1  7... d7d5  8. c4d5  8... e6d5  9. a2a3 A critical opening position. 9... c5c4 [%c_effect c4;square;c4;type;Interesting;persistent;true] 10. d3h7  10... f6h7 [%c_effect h7;square;h7;type;GreatFind;persistent;true] A new move, clearly prepared beforehand by Aronian. The merits of this way of capturing will become clear on the next move. 11. a3b4 