[Event "Vidmar Memorial-02"]
[Site "Ljubljana/Portoroz"]
[Date "1973.04.17"]
[Round "12"]
[White "Planinc, Albin"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]

1. e4 e5 2. f4 exf4 3. Nf3 d6 4. d4 g5 5. h4 g4 6. Ng1 Qf6 7. Nc3 Ne7 8. Nge2 Bh6 9. Qd2 Bd7 10. g3 Nbc6 11. gxf4 O-O-O 12. Bg2 Qg7 13. d5 Ne5 14. Qe3 Kb8 15. Qf2 g3 16. Qg1 Ng4 17. Rh3 Qf6 18. Rxg3 Rhg8 19. Bd2 Ng6 20. Bh3 Qxh4 21. O-O-O Ne7 22. Be1 Qh5 23. Kb1 Nf6 24. Qd4 Bxh3 25. Qxf6 Nc8 26. Bf2 Bd7 27. Rdg1 Rge8 28. Nd4 Bf8 29. Nf3 Qh6 30. Qd4 Be7 31. Be3 Bf6 32. e5 Bh8 33. Qd3 Qh5 34. Rg5 Qh6 35. R5g2 Qh5 36. Ne4 Ka8 37. Bd2 Qf5 38. Rg5 Qh3 39. Nf2 Qh6 40. Rh1 Qf8 41. Rxh7 dxe5 42. fxe5 f6 43. Rgh5 Bg7 44. Qg6 fxe5 45. Rxg7 Qxf3 46. Rxd7 Qxf2 47. Bc1 Qb6 48. Qf5 a6 49. Rxd8 Rxd8 50. Qxe5 Qd6 51. Qe4 Nb6 52. c4 Nxc4 53. Rh7 Nb6 54. Bf4 Qxd5 55. Qxd5 Nxd5 56. Bxc7 Nxc7 57. Rxc7 1/2-1/2