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)
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 