context: 1. c2c4 Continuing the match trend of a new opening per game, this time Ding Liren plays the English Opening. It certainly didn't come as a surprise to Gukesh's team. 1... e7e5  2. b1c3  2... f8b4 The third most popular move, but not worse than 2...Nf6 or 2...Nc6. 3. c3d5 The natural reply, forcing Black to defend the bishop. 3... b4e7 3...Bc5 and 3...a5 are also popular options. 4. g1f3 This move has been the favorite of strong GMs recently. 4... d7d6  5. g2g3  5... c7c6  6. d5e7  6... g8e7 This is the point of Black's previous move. The knight is developed to e7. 7. f1g2  7... f7f6 Already a new move. Instead of castling (the most natural move), Gukesh immediately prepares d6-d5.