[Event "IBM"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "10"]
[White "Marovic, Drazen"]
[Black "Quinteros, Miguel Angel"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O Qa5 8. h3 e5 9. d5 cxd5 10. cxd5 Bd7 11. a3 Na6 12. e4 Rfc8 13. Bd2 Qd8 14. b4 Nc7 15. Qe2 Qe8 16. a4 b5 17. Rfb1 bxa4 18. b5 Rcb8 19. Bf1 Rb7 20. Rb4 Rab8 21. Rbxa4 Nxb5 22. Ra5 Nxc3 23. Bxc3 Bb5 24. Qe3 Bxf1 25. Kxf1 Qc8 26. Kg2 Rb3 27. R1a3 Nxe4 28. Rxb3 Rxb3 29. Qxe4 Rxc3 30. Rxa7 Rc7 31. Ra5 Rc4 32. Qe2 h6 33. Qa2 Rc2 34. Qa4 Kh7 35. Qh4 Qf5 36. Ra4 Bf6 37. Qb4 Qd3 38. Qb7 Rxf2+ 39. Kxf2 Qc2+ 40. Ke3 Qxa4 41. Qxf7+ Bg7 42. Qe6 Qa3+ 43. Ke2 Qa6+ 44. Kf2 Qa7+ 45. Ke2 Bf8 46. Nh4 Qg7 47. Kf3 Be7 48. Nxg6 Bf6 49. Nh4 Bxh4 50. gxh4 Qf8+ 51. Ke2 h5 52. Qd7+ Kg6 53. Qe6+ Qf6 54. Qe8+ Qf7 55. Qd8 Qf6 56. Qe8+ Kh6 57. Qc6 e4 58. Qc1+ Kg6 59. Qg1+ Kh7 60. Qg5 Qf3+ 61. Ke1 Qc3+ 62. Ke2 Qd3+ 1/2-1/2