[Event "Interzonal-10b"]
[Site "Manila"]
[Date "1976.07.01"]
[Round "13"]
[White "Panno, Oscar"]
[Black "Mariotti, Sergio"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2470"]

1. Nf3 Nc6 2. d4 d5 3. c4 Bg4 4. cxd5 Bxf3 5. gxf3 Qxd5 6. e3 e5 7. Nc3 Bb4 8. Bd2 Bxc3 9. bxc3 exd4 10. cxd4 Nge7 11. Be2 O-O-O 12. Qb3 Rhe8 13. Rb1 Qxb3 14. Rxb3 Nd5 15. Kf1 f5 16. Bd3 g6 17. Kg2 Nb6 18. h4 Rd6 19. h5 Red8 20. hxg6 hxg6 21. Bc1 Ne5 22. Ba3 Rd5 23. Be2 Nf7 24. Rh7 R5d7 25. Rb1 Nd6 26. Rbh1 Nbc4 27. Bxd6 Nxd6 28. R7h6 Rg7 29. Rc1 f4 30. Bd3 Nf5 31. Bxf5+ gxf5+ 32. Kf1 fxe3 33. fxe3 f4 34. Kf2 fxe3+ 35. Kxe3 Re7+ 36. Kd3 Rde8 37. Rf6 Re3+ 38. Kc4 Rd8 39. Rc3 Re2 40. a3 b6 41. Rf7 Rb2 42. Rf4 Rd7 43. Re3 Kb7 44. Rd3 a5 45. Kc3 Ra2 46. Kb3 Rf2 47. a4 Re7 48. d5 Ka6 49. Rc3 Rd2 50. Kc4 Rd7 51. Rd4 Rf2 52. Re3 Rf7 53. d6 cxd6 54. Red3 R7xf3 55. Rxd6 Rf4+ 56. R6d4 Ra2 57. Kb3 Rff2 58. Re4 Rfb2+ 59. Kc3 Rb1 60. Rdd4 Ra3+ 61. Kc2 Rh1 62. Kb2 Rha1 63. Rc4 R1a2+ 64. Kb1 Rg2 65. Rc2 Rgg3 66. Rcc4 Raf3 67. Kb2 Rg1 68. Rh4 Rf2+ 69. Rc2 Rff1 70. Rcc4 Rb1+ 71. Ka2 Ra1+ 72. Kb2 Rgb1+ 73. Kc2 Rc1+ 74. Kb2 Rab1+ 75. Ka2 1/2-1/2