[Event "Candidates qf Petrosian-Portisch +3-2=8"]
[Site "Palma de Mallorca"]
[Date "1974.01.??"]
[Round "12"]
[White "Portisch, Lajos"]
[Black "Petrosian, Tigran V"]
[Result "1-0"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bf4 e6 6. e3 Be7 7. Bd3 Nc6 8. h3 O-O 9. Nf3 Bd7 10. O-O Qb6 11. a3 Na5 12. b4 Nc4 13. Ne5 Rac8 14. Bxc4 dxc4 15. Bg5 Qd8 16. Qf3 Bc6 17. Nxc6 Rxc6 18. Rad1 Nd5 19. Bxe7 Nxe7 20. e4 a6 21. d5 exd5 22. exd5 Rd6 23. Rd2 Qc7 24. Qg3 Qd7 25. Kh1 Nc8 26. Ne4 Rg6 27. Qf4 Nd6 28. Nxd6 c3 29. Rd3 Rxd6 30. Rxc3 Rxd5 31. Rc7 Qb5 32. Re1 g6 33. Kg1 a5 34. Ree7 Rf5 35. Qd4 b6 36. Rb7 axb4 37. Rxb6 Qd5 38. Qxd5 Rxd5 39. axb4 h5 40. h4 Kg7 41. g3 Ra8 42. Rbb7 Rf5 43. Re2 Ra1+ 44. Kg2 Rb1 45. Re3 Rb2 46. Rf3 Rxf3 47. Kxf3 Kh6 48. Ke3 f6 49. Rb6 Kg7 50. Rb7+ Kh6 51. Rb8 g5 52. b5 gxh4 53. gxh4 Kg6 54. b6 Kf5 55. Kd4 Rxf2 56. Ra8 Rb2 57. Kc5 Rc2+ 58. Kd4 Rb2 59. Ra5+ Ke6 60. Kc5 Rc2+ 61. Kb5 Kd6 62. Ka6 Kc6 63. Ra1 Rc4 64. b7 Rb4 65. Rc1+ Kd7 66. Rc8 1-0