[Event "Interzonal-04"]
[Site "Portoroz"]
[Date "1958.09.02"]
[Round "16"]
[White "Rossetto, Hector"]
[Black "Matanovic, Aleksandar"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Nc3 c6 8. Bf4 Qc8 9. O-O Qb7 10. d5 exd5 11. cxd5 b5 12. Qc2 cxd5 13. Ng5 g6 14. Qb3 Qb6 15. Nxd5 Nxd5 16. Bxd5 Bb7 17. Nxf7 Bxd5 18. Qxd5 Qc6 19. Nh6+ Kg7 20. Qxc6 Nxc6 21. Ng4 g5 22. Bd2 b4 23. Rac1 Rac8 24. e4 a5 25. Kg2 Kf7 26. Rfd1 Ke6 27. b3 h5 28. Ne3 Ne5 29. Nf5 Bf6 30. Be3 Rxc1 31. Rxc1 Ra8 32. Rd1 Ra6 33. f4 gxf4 34. gxf4 Nf7 35. Nd4+ Bxd4 36. Rxd4 Rc6 37. Kf3 d6 38. h3 Rc5 39. Rd2 Rb5 40. Bd4 a4 41. Rc2 Kd7 42. Ke3 Nd8 43. Kd3 Nc6 44. Rg2 axb3 45. Rg7+ Ke8 46. axb3 Na5 47. Be3 d5 48. exd5 Rxd5+ 49. Ke4 Rb5 50. f5 Nxb3 51. f6 Nc5+ 52. Kf3 Nd7 1/2-1/2