1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g1f3  3... d7d5  4. g2g3  4... f8b4  5. c1d2  5... b4e7  6. f1g2  6... e8g8  7. d1c2  7... c7c6  8. h2h4 Original and aggressive. Dubov wants to use the  kingside rook from its initial position whenever possible. "A cool move. I prepared it quite a long time ago." (Dubov) 8... b8d7  9. b1c3 White needs to finish the development and is ready to  part with a pawn for that.