1. e2e4  1... c7c5  2. g1f3  2... b8c6  3. f1b5  3... e7e6  4. b5c6  4... b7c6  5. d2d3  5... g8e7  6. b2b3  6... e7g6  7. h2h4  7... h7h5  8. e4e5  8... f7f6  9. b1d2 Caruana offers a pawn. 9... d7d6 ...which Carlsen does not like. 10. e5d6  10... e6e5 The black queenside pawns are crippled but control the  center.