1. e2e4  1... c7c5 Ju plays the Sicilian Defense for the first time in the match. 2. g1f3  2... e7e6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... b8c6  6. d4c6 This is the critical move to exploit this move order. 6... b7c6  7. e4e5 