[Event "Interzonal-08"]
[Site "Palma de Mallorca"]
[Date "1970.11.27"]
[Round "13"]
[White "Huebner, Robert"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d6 9. a4 b4 10. d4 exd4 11. Nxd4 Bd7 12. Rd1 Qb8 13. Nd2 Qb7 14. Bc2 Rfe8 15. Nc4 Nxd4 16. cxd4 d5 17. exd5 Qxd5 18. Ne3 Qb7 19. Qc4 Bb5 20. Bxh7+ Kxh7 21. axb5 axb5 22. Qc2+ Qe4 23. Qxe4+ Nxe4 24. Rxa8 Rxa8 25. Nd5 Bd6 26. f3 Nf6 27. Nxf6+ gxf6 28. Be3 Ra2 29. Rb1 b3 30. Kf1 f5 31. Ke2 Kg6 32. g3 f4 33. Bd2 fxg3 34. hxg3 Ra4 35. Kd3 Rc4 36. Bc3 Ra4 37. g4 Bf4 38. Ke4 Bd6 39. Kd3 Ra8 40. Rh1 Ra2 41. d5 f5 42. Rh8 fxg4 43. fxg4 Ra1 44. Rg8+ Kf7 45. Rg7+ Kf8 46. g5 Rd1+ 47. Ke4 b4 48. Bf6 Rf1 49. Rh7 Rf4+ 50. Kd3 Kg8 51. Rg7+ Kf8 52. Rd7 Ke8 53. Rh7 Kf8 54. Ke3 Rf5 55. Ke4 Rf4+ 56. Kd3 Kg8 57. Rh6 Kf7 58. Bd4 Rg4 59. Rf6+ Ke7 60. Rf1 Rg3+ 61. Kc4 Rg4 62. Re1+ Kf7 63. Rg1 Rxg1 64. Bxg1 Bf4 65. Kxb3 Bxg5 66. Bh2 Bd8 67. Kxb4 Ke8 68. Kb5 Kd7 69. Ka6 Kc8 70. b4 Bg5 71. b5 Be3 72. d6 cxd6 73. Bxd6 Bd4 74. Bb4 Kb8 75. Ba5 Ka8 76. Bc7 Be3 1/2-1/2