But there is a catch—the white pieces are too active and Gunina can pressurize her opponent along the open c-file, as well as the half-open b-file. White can also consider the advance of her a-pawn in order to get rid of a weakness, while creating one for her opponent. And this is not everything.
1. d2d4  1... g8f6  2. c2c4  2... g7g6  3. b1c3  3... d7d5 The Grunfeld Defense has a deserved reputation as a reliable opening. 4. g1f3  4... f8g7  5. c1g5  5... f6e4  6. g5f4 A modern line. 6... e4c3  7. b2c3  7... c7c5  8. e2e3  8... d8a5  9. d1d2  9... c5d4  10. c3d4  10... a5d2  11. e1d2 Technically speaking, the trade of queens should be favorable for the second player. On the one hand she reduces the space deficit, while on the other—Black can dream about a favorable endgame, with a distant passer to appear on the queenside. 11... d5c4 