1. g1f3  1... g8f6  2. b2b3  2... g7g6  3. c1b2  3... f8g7  4. g2g3  4... e8g8  5. f1g2  5... d7d6  6. d2d4 The doubled  fianchetto is an anti-KID line, which both Andreikin and Artemiev love and play with pleasure. 6... a7a5 One of the ways to fight for equality, in  the spirit of the Grunfeld defense.