A novelty. The rook  enters the battle via the third rank, whereas the white king is OK to  castle by hand.
1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. b1c3  3... f8b4  4. d1c2  4... e8g8  5. a2a3  5... b4c3  6. c2c3  6... d7d5  7. g1f3  7... d5c4  8. c3c4  8... b7b6  9. h2h4  9... c8a6  10. c4c2  10... c7c5  11. d4c5  11... b6c5 