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?
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 