1. e2e4  1... c7c5 Dominguez mainly uses the solid open games against strong opposition, but today he decided to play big and opted for his beloved Sicilian. 2. b1c3  2... d7d6  3. d2d4  3... c5d4  4. d1d4 Probably this line was the reason. Shirov had used it quite a bit lately, and Black had prepared well for it. 4... b8c6  5. d4d2  5... g7g6 