This is where things really started to go downhill for the Azerbaijani GM.
1. g1f3  1... g8f6  2. g2g3  2... d7d5  3. f1g2  3... e7e6  4. e1g1  4... f8e7  5. c2c4 After a short flirt with the open games against Carlsen, Artemiev returns to his bread and butter—the Reti. 5... d5d4  6. e2e3  6... c7c5  7. e3d4  7... c5d4  8. f3e5 It is a reversed Benoni and besides the first move advantage White has one more hidden tempo—the black e-pawn only moved to the sixth rank. Thus, why not play more actively? 8... d8c7 Mamedyarov tries to fight the annoying knight at once and does it with a novelty. 9. f1e1  9... e7d6  10. d1e2 