[Event "Vidmar Memorial 05th"]
[Site "Bled/Portoroz"]
[Date "1979.06.18"]
[Round "13"]
[White "Quinteros, Miguel Angel"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[WhiteElo "2545"]
[BlackElo "2525"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 Nc6 5. Bg2 d5 6. cxd5 exd5 7. d4 Be7 8. O-O O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Re8 12. Qa4 Bd7 13. Rad1 Nb4 14. Qb3 a5 15. a4 Bg4 16. h3 Bd7 17. Nc2 Qc8 18. Nxb4 axb4 19. Nxd5 Nxd5 20. Qxd5 Bxa4 21. Rc1 Bc6 22. Qb3 Qf5 23. Rfd1 Rac8 24. Bd4 h5 25. Qd3 Qxd3 26. Rxd3 h4 27. g4 Bb5 28. Rxc8 Rxc8 29. Rd1 Bxe2 30. Re1 Rc2 31. Bf1 Bxf1 32. Kxf1 Bg5 33. Re2 b3 34. Re8+ Kh7 35. Rb8 Rc7 36. Ke2 Bf4 37. Kd3 f6 38. Re8 b5 39. Re4 Bc1 40. Re6 Rc2 41. Re2 Rc7 42. Re6 Rc2 43. Re2 Rxe2 44. Kxe2 Kg6 45. Kd3 Kf7 46. Kc3 Ke6 47. f3 Kd5 48. Bb6 f5 49. gxf5 Bg5 50. Bc7 Bf6+ 51. Kxb3 Kd4 52. Kb4 Ke3 53. b3 Kxf3 54. Kxb5 Kg2 55. Kc4 Kxh3 56. b4 Kg2 57. b5 h3 1/2-1/2