1. g1f3  1... g8f6  2. g2g3  2... d7d5  3. f1g2  3... c7c5  4. e1g1  4... g7g6  5. d2d4  5... c5d4  6. f3d4  6... f8g7  7. d4b3  7... e8g8  8. b1c3  8... e7e6  9. e2e4 An interesting Anti-Grunfeld line that Ding had used successfully in the past. He is in fact playing the Grunfeld himself now, with reversed colors, and an extra tempo. 9... b8c6  10. e4d5  10... f6d5 Since Black is getting an isolani, it makes sense to preserve more pieces on board, but Grischuk has a concrete idea on his mind. 11. c3d5  11... e6d5 