After a normal Catalan opening, black chose an aggressive approach on the King side. White took advantage and finished the game with a nice combination beginning with 28. Nxg6! ...
[Event "WWCC2015"][Site "Sochi"][Date "2015.03.20"][Round "10.6"][White "Gunina, Valentina (RUS)"][Black "Girya, Olga (RUS)"][Result "1-0"][ECO "E06"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bg5 Nbd7 11. Nbd2 Rc8 12. Bxf6 Nxf6 13. Nb3 c5 14. dxc5 Be4 15. Qc3 Bd5 16. Rac1 Bxb3 17. Qxb3 Bxc5 18. e3 Qb6 19. Rc2 Rc7 20. Ne5 Rfc8 21. Rd1 g6 22. Rcd2 Be7 23. g4 Rc5 24. Nd3 Rg5 25. h3 h5 26. gxh5 Rxh5 27. Nf4 Rhc5 28. Nxg6 fxg6 29. Rd6 Bxd6 30. Qxe6+ Kh7 31. Rxd6 Rc1+ 32. Kh2 Qc7 33. Qxf6 Rc2 34. Qxg6+ Kh8 35. Qh5+ Kg8 36. Bd5+ Kg7 37. Qh6#