1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... g8f6  4. e1g1  4... f6e4  5. d2d4  5... e4d6  6. b5a4 An  interesting side line. Nepomniachtchi does not shy away from sacrificing a pawn against anyone. 6... e5d4  7. c2c3 