1. e2e4  1... c7c5  2. g1f3  2... b8c6  3. b1c3 In a must-win situation, Carlsen follows the  advice of Sveshnikov and rejects the main lines. 3... e7e5  4. f1c4  4... f8e7  5. d2d3  5... g8f6  6. e1g1  6... e8g8  7. c3d5  7... d7d6  8. c2c3 It is effectively a Ruy Lopez/Italian  now. 8... a8b8  9. a2a4  9... f6d5 