1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1c4 Carlsen had the psychological advantage after  winning the previous must-win game. He also opted for the Italian, just  like So did earlier in the match. 3... g8f6  4. d2d3  4... f8c5  5. e1g1  5... h7h6  6. c2c3  6... e8g8  7. b2b4  7... c5b6  8. a2a4  8... a7a6  9. b1d2  9... d7d6  10. f1e1  10... c6e7  11. d3d4 White is taking over the initiative, and So goes for a typical exchange operation. 11... e5d4 This is a novelty as well. Alas, based on a miscalculation.