1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Be2 Be7 8. O-O O-O 9. c4 c5 10. Be3 b6 11. Qc2 Bb7 12. Rad1 Qc7 13. Rd2 Rac8 14. b3 Rfd8 15. Rfd1 Nb8 16. Bg5 h6 17. Bxf6 Bxf6 18. d5 exd5 19. cxd5 Be7 20. Nf5 Bd6 21. Qc3 f6 22. N3h4 Bxh2+ 23. Kh1 Bd6 24. Nxd6 Qxd6 25. Nf5 Qf8 26. Bg4 Ba6 27. Nh4 Rd6 28. Be6+ Rxe6 29. dxe6 Qe8 30. Qe3

The tournament book and other sources give 30. Qg3 here, but then White would miss (and Black would allow) mates in one on moves 31 and 32. The move given here is more likely.

30... Nc6 31. Nf5 Rd8 32. Rxd8 Nxd8 33. e7 Qh5+ 34. Qh3 Qxd1+ 35. Kh2 Kf7 36. Qe3 Qh5+ 37. Kg1 Qd1+

1/2-1/2

Reference(s): Tournament report.