[Event "Vidmar Memorial-02"]
[Site "Ljubljana/Portoroz"]
[Date "1973.04.17"]
[Round "12"]
[White "Quinteros, Miguel Angel"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Nc6 8. cxd5 exd5 9. Be2 Bxc5 10. O-O h6 11. Rc1 Be6 12. a3 Rc8 13. Ne5 Ne7 14. Na4 Bd6 15. Rxc8 Bxc8 16. Nd3 Ng6 17. Bxd6 Qxd6 18. Nb4 Ne5 19. Nc3 Rd8 20. Qa4 Qb6 21. Qb5 Qxb5 22. Nxb5 a6 23. Nd4 Bd7 24. Rd1 Rc8 25. Nd3 Nxd3 26. Bxd3 Ba4 27. b3 Bd7 28. f3 h5 29. h4 Kf8 30. Kf2 Ke7 31. Ke2 g6 32. Bc2 Ne8 33. b4 Bb5+ 34. Kd2 Nd6 35. Bb3 Bc4 36. Bc2 Bb5 37. Bb3 Bc4 38. Ba4 Bb5 1/2-1/2