 The position is deceptively harmless for the second player. White's  Catalan bishop is always a monster whereas the queen can find a path to  the enemy weaknesses.
1. d2d4 After yesterday's defeat the Chinese GM decided to try something  completely different. 1... g8f6  2. c2c4  2... e7e6  3. b1c3  3... f8b4  4. g1f3  4... d7d5  5. d1b3  5... c7c5  6. d4c5  6... b8a6  7. c4d5  7... f6d5  8. c5c6 Yu is fully prepared for the game and uncorks a  novelty. 8... d8a5  9. c1d2  9... b7c6  10. g2g3  10... d5c3  11. b2c3  11... b4e7  12. f1g2  12... e8g8  13. e1g1 