1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. b1c3  3... f8b4  4. e2e3  4... e8g8  5. g1e2  5... f8e8  6. a2a3  6... b4f8  7. e2g3  7... d7d5  8. f1e2  8... b7b6  9. e1g1  9... c8b7  10. c4d5  10... e6d5  11. b2b4  11... b8d7  12. d1b3  12... c7c6  13. f2f3 After stabilizing his  queenside and forcing the opponent to block his light-squared bishop, Yu  prepares the "Botvinnik" breakthrough e2-e4. 13... a7a5  14. a1b1  14... b6b5 A novelty. 15. e3e4  15... d7b6 There is simply not enough time for this positional  maneuver. 16. e4e5 The pawn moved from e3 to e5 and this is a huge improvement for  White. Yu might be already strategically winning. 16... f6d7  17. f3f4  17... b6c4  18. g1h1 Some prophylaxis even when attacking may pay with interest. 18... d8b6  19. b3d1  19... d7b8 A desperate attempt to bring his opponent's attention to  the queenside. 20. f4f5 Yu is not amused. 20... b8a6  21. e2c4 The simplest way of depriving Duda of any counterplay.