One of the modern ideas against the English Attack.  Black wants to completely prevent it! A curious choice by Grandelius. Giri himself played this line at least three times last year as Black.
1. e2e4  1... c7c5  2. g1f3  2... d7d6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... a7a6  6. f2f3  6... e7e5  7. d4b3  7... c8e6  8. c1e3  8... f8e7  9. d1d2 