Karjakin goes for the main line.
1. e2e4  1... c7c5  2. g1f3  2... e7e6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... b8c6 The Four Knights  Sicilian is sort of a business card of the Azerbaijani players. Dreev is  constantly working with the team and definitely knows a thing or two about it.