[Event "Costa del Sol-11"]
[Site "Malaga"]
[Date "1971.02.06"]
[Round "4"]
[White "Visier Segovia, Fernando"]
[Black "Quinteros, Miguel Angel"]
[Result "1/2-1/2"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Nf6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Nh7 11. f3 h5 12. Bd3 Bh6 13. Qe2 a6 14. h3 Nd7 15. g4 Ndf6 16. Qg2 Bg7 17. g5 Ne8 18. Bf2 Bd7 19. Be3 f6 20. gxf6 Rxf6 21. O-O-O Qd8 22. Rdf1 b5 23. f4 exf4 24. Bxf4 b4 25. Nd1 Qe7 26. Qg3 a5 27. e5 dxe5 28. Be3 Bf5 29. Ne4 Rf8 30. Bxc5 Qc7 31. Ndf2 Bh6+ 32. Kb1 Bf4 33. Qf3 Rc8 34. Be3 Nd6 35. Bxf4 exf4 36. Nxd6 Qxd6 37. Bxf5 Rxf5 38. Qd3 Re8 39. Rhg1 Kf7 40. Re1 Rxe1+ 41. Rxe1 Nf6 42. Qd4 f3 43. Re6 Qb8 44. Qe3 Qc7 45. b3 Qd7 46. Ra6 Qe7 47. Re6 Qd7 48. Nd3 Kg8 49. Ra6 Qe8 50. Re6 Qd7 1/2-1/2