1. d2d4  1... g8f6  2. g1f3  2... g7g6  3. g2g3  3... f8g7  4. f1g2  4... d7d5  5. e1g1  5... e8g8  6. c2c4  6... c7c6  7. d1b3  7... d8b6 A  calm variation of the Grunfeld, where the onus is put on slow, lenghty  improvement of the pieces. 8. b1c3  8... f8d8  9. c1d2  9... d5c4  10. b3c4  10... c8e6  11. c4a4  11... e6f5  12. f1c1 A novelty upon a game of Nepomniachtchi. 12... b8d7  13. b2b4  13... f6e4 In order to soften the long diagonal. Black also  has less space so the trades make sense. 14. e2e3  14... e4c3 Completing the plan. 15. d2c3  15... f5e4 