[Event "Interzonal-04"]
[Site "Portoroz"]
[Date "1958.08.15"]
[Round "7"]
[White "Petrosian, Tigran V"]
[Black "Cardoso, Radolfo Tan"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5 8. Bd3 O-O 9. Ne2 Nc6 10. O-O Re8 11. f3 cxd4 12. cxd4 b6 13. Bd2 Bb7 14. Ng3 Rc8 15. Rb1 Rc7 16. Qa4 g6 17. Rfc1 Re6 18. Rc2 Qe8 19. Nf1 Kg7 20. Rbc1 Qd8 21. Bb5 Qa8 22. Bd3 Rd7 23. Ng3 Rdd6 24. Kh1 Nd7 25. Qb3 Qd8 26. Ne2 Qh4 27. Qb2 Nf6 28. Rf1 Re8 29. Bb5 Kg8 30. Qc1 Rc8 31. e4 dxe4 32. Bg5 Qh5 33. Ng3 exf3 34. Nxh5 fxg2+ 35. Rxg2 Nxh5 36. Qc4 Nd8 37. Qb4 Re6 38. Kg1 Bxg2 39. Kxg2 Re4 40. Kf3 a5 41. Qd2 1-0