1. e2e4  1... c7c5  2. g1f3  2... d7d6  3. f1b5  3... b8d7  4. a2a4 A relatively rare continuation,  which has been tested by the world champion. Another player who deserves  credit is the Dutch number one, Anish Giri. 4... e7e6  5. b1c3  5... a7a6  6. b5e2  6... b7b6 Grandelius decided to build a Hedgehog set-up. 7. d2d4  7... c5d4  8. d1d4 This is one of the ideas of White's set up. There is no  black knight ready to torture the queen. 8... c8b7  9. e1g1 