1. d2d4  1... g8f6  2. c2c4  2... g7g6  3. h2h4 "Just an interesting line for White" (Grischuk).  3... c7c5 "The most principled line" (MVL) 4. d4d5  4... b7b5  5. c4b5  5... a7a6  6. e2e3  6... f8g7  7. b1c3  7... e8g8  8. g1f3  8... d7d6  9. a2a4  9... c8g4 "This cannot be so bad for me  as the bishop is quite annoying" (MVL). This is the main reason why Black  chose to switch to the Benko gambit. 10. a1a3 "Unexpected, but probably  good" (MVL). 10... a6b5  11. f1b5  11... b8a6  12. e3e4  12... a6b4 