Nepomniachtchi plays in typical King's Indian style, putting the knight on d7 and then playing e5. It can't be too bad.
1. d2d4  1... g8f6  2. c2c4  2... g7g6  3. g1f3  3... f8g7  4. e2e3 This shy move is used by some elite chess players as an Anti-Grunfeld weapon. 4... e8g8  5. f1e2  5... d7d6  6. b1c3 