1. e2e4  1... c7c5  2. g1f3  2... d7d6  3. d2d4  3... c5d4  4. f3d4  4... g8f6 As a world champion, Carlsen is obliged to constantly prove his superiority against every top player in  the world. Often, the proof comes not only in the won matches and games,  but in the way that he is getting to those points. After the horrible  defeat yesterday, Carlsen insists on the Najdorf, rather than avoiding  it--a matter of principle! 5. b1c3  5... a7a6  6. h2h3 This beloved idea of  Fischer's was tested yesterday as well. 6... e7e5  7. d4b3  7... f8e7  8. g2g4  8... h7h6  9. c1e3  9... b8d7 