1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. b1c3  3... f8b4  4. e2e3  4... e8g8  5. f1d3  5... d7d5  6. c4d5  6... e6d5  7. a2a3  7... b4d6  8. d1c2 Both players are entering one of the most complex structures, a Carlsbad with a white dark-squared bishop behind the pawn chain. 8... a7a6  9. g1e2  9... f8e8  10. e1g1 10.0-0 is the recent fashion according to Megabase. 10... b7b6  11. b2b4 So prepared quite well, whereas Mamedyarov was already taking time on the clock. White is following the footprints of another participant of the Superbet Classic, Richard Rapport. The Hungarian GM won a spectacular game against Vidit, which you can see below. First and foremost, White needs to take the teeth out of the c7-c5 break. 11... b8d7 In Belgrade, Rapport came up with a good plan. 12. e2f4 Which So also follows. Importantly, White tries to lure the opponent's bishop on b7 anyway. 12... d6f4 This is a novelty, but likely an over-the-board one. In these positions, this capture usually works well for White. 13. e3f4 \"I was very surprised when he took. I think White was better here.\" (So) 13... c7c5 The point. Otherwise, Black will be smothered. 14. d4c5 