1. d2d4  1... g8f6  2. c2c4  2... g7g6  3. g1f3  3... f8g7  4. g2g3  4... c7c6  5. f1g2  5... d7d5  6. e1g1  6... e8g8  7. f3e5 This line should not have come as a surprise for Vachier-Lagrave as Firouzja is the driving force behind this interesting concept. 7... d5c4  8. e5c4 