1. e2e4  1... c7c5  2. g1f3  2... b8c6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... e7e5  6. d4b5  6... d7d6  7. c3d5 A move that became popular after being used by Caruana in the match against Carlsen, in 2018. It leads to an unbalanced pawn structure and dynamic positions.