Principled.
1. e2e4  1... c7c6  2. d2d4  2... d7d5  3. e4e5  3... c8f5  4. g1f3  4... e7e6  5. f1e2  5... g8e7  6. c2c3  6... e7g6  7. e1g1  7... b8d7  8. f3e1 Probably the most important maneuver in the  Advance Caro-Kann. White is ready to bring his pawns into motion. 8... h7h5  9. c1e3  9... d8b6  10. b2b3  10... f7f6 A sharp novelty by the young prodigy.  Black sacrifices a pawn but destroys the enemy center.