1. e2e4 Nepomniachtchi returns to his favorite move after failing to gain an advantage in the third game with the queen's pawn. 1... e7e5 It's hard to imagine Ding playing anything against 1.e4 in the match other than 1...e5. 2. g1f3  2... b8c6  3. f1b5  3... a7a6  4. b5a4  4... g8f6 