The Grunfeld's most common pawn sacrifice.
1. d2d4  1... g8f6  2. c2c4  2... g7g6  3. b1c3  3... d7d5  4. c4d5  4... f6d5  5. e2e4  5... d5c3  6. b2c3  6... f8g7  7. f1c4  7... c7c5  8. g1e2  8... b8c6  9. c1e3  9... e8g8  10. e1g1 The Grunfeld was to be expected as the  players had an over-the-board discussion at the end of the last year in  Monaco.