[Event "Vidmar Memorial 05th"]
[Site "Bled/Portoroz"]
[Date "1979.06.02"]
[Round "1"]
[White "Ivkov, Borislav"]
[Black "Qi, Jingxuan"]
[Result "1-0"]
[WhiteElo "2525"]

1. Nf3 Nf6 2. c4 e6 3. g3 c5 4. Bg2 Nc6 5. O-O Be7 6. Nc3 O-O 7. d4 cxd4 8. Nxd4 Qa5 9. e3 a6 10. Bd2 Qc7 11. Rc1 Re8 12. a3 Rb8 13. Rc2 Bf8 14. b4 Ne5 15. c5 b6 16. cxb6 Qxb6 17. Na4 Qa7 18. Bc3 Bb7 19. Nb3 Bxg2 20. Bxe5 Bxf1 21. Bxb8 Qxb8 22. Qxf1 Rc8 23. Rxc8 Qxc8 24. Nac5 a5 25. Nxa5 Bxc5 26. Qc4 d6 27. bxc5 dxc5 28. a4 Nd7 29. Qb5 Qc7 30. Nc4 Kf8 31. a5 Ke7 32. Kf1 Qb8 33. Nb6 Qb7 34. Ke2 c4 35. Qxc4 Nxb6 36. Qc5+ Kd7 37. axb6 f6 38. g4 Qc6 39. Qb4 Qc2+ 40. Kf3 Qd1+ 41. Kg2 Qd5+ 42. e4 Qb7 43. Kg3 Qb8+ 44. Kg2 Qb7 45. Kf3 h5 46. gxh5 f5 47. Qd4+ Ke8 48. h6 1-0