Black is ready for f7-f5, but lacks the needed time.
1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1c4  3... g8f6  4. d2d3  4... f8e7  5. e1g1  5... e8g8  6. f1e1  6... d7d6  7. a2a4  7... a7a5  8. b1d2  8... f6d7  9. d2f1  9... d7b6  10. c4b3  10... c8g4 A novelty, but seemingly not a  very good one. The bishop stands on the road of the white pieces and pawns and Vachier-Lagrave will win extra tempos for his kingside play. 11. c2c3 