1. e2e4  1... c7c5  2. g1f3  2... b8c6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... d7d6 The Classical line  is a rare choice in the practice of the world champion. 6. c1g5  6... c8d7  7. d1d2  7... a7a6  8. e1c1  8... e7e6  9. f2f4  9... f8e7  10. d4f3  10... b7b5  11. g5f6  11... g7f6 A typical pawn structure arose. Both black  flanks have been weakened. However, the four black pawns in the center  look like a strong shield in front of their king. Still, they are not  ideal and have a soft spot: the e6 one. If White manages to destroy that  pawn or force it to move, all the light squares in the center will fall  into the first player's hands. 12. c1b1  12... d8b6  13. f4f5  13... e8c8 The king is not  perfectly safe here either, but Black can at least connect his rooks. 14. f1d3 