1. e2e4  1... c7c5 In a must-win situation, Ding naturally switches to the Sicilian defense. 2. g1f3  2... d7d6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... b8c6  6. f1e2 The most  solid, classical choice. 6... e7e5  7. d4b3  7... f8e7  8. c1g5  8... e8g8 