The point behind Giri's play.
1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g1f3  3... d7d5  4. b1c3  4... f8b4  5. c1g5  5... h7h6  6. g5d2 Carlsen deviates from a recent game of his. 6... e8g8  7. g2g4 Well prepared! The "Latvian" sacrifice was never  tried in this particular version. 7... b4c3 Giri was obviously taken by surprise and replied only after  five valuable minutes of thought. 8. d2c3  8... f6e4  9. d1c2  9... c7c5 A daring move! It is a central approach, but one which opens  way too many files and diagonals for the white pieces. 10. d4c5 