[Event "Interzonal-10a"]
[Site "Biel"]
[Date "1976.07.21"]
[Round "8"]
[White "Smejkal, Jan"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[WhiteElo "2615"]
[BlackElo "2625"]
1. c4 c5 2. Nf3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc6 6. Nc3 Nc7 7. d3 e5 8. Nd2 Bd7 9. O-O Be7 10. Nc4 O-O 11. Bxc6 Bxc6 12. Nxe5 Be8 13. Be3 Ne6 14. Qb3 b6 15. Qd5 Qc8 16. f4 Bf6 17. f5 Nc7 18. Qe4 Bxe5 19. Qxe5 f6 20. Qe4 Bf7 21. Bf4 Qd8 22. Bxc7 Qxc7 23. Qf4 Qe7 24. e3 Rfe8 25. Rfe1 Rad8 26. Rad1 h6 27. g4 Rd7 28. Qf2 Qd8 29. Qf1 a6 30. b3 Qc7 31. Ne4 a5 32. Nf2 a4 33. bxa4 Ra8 34. Qe2 Rxa4 35. Rd2 Qa7 36. Ra1 b5 37. Ne4 Ra3 38. Rc1 c4 39. d4 b4 40. Nc5 Re7 41. Ne6 c3 42. Rdc2 Rxe6 43. fxe6 Bxe6 44. Qb5 Qe7 45. d5 Bf7 46. Qb8+ Kh7 47. Qf4 Bg6 48. Rf2 Ra6 49. Qd4 Qd6 50. e4 Ra8 51. Rb1 Rc8 52. Re1 Qd7 53. Qxb4 c2 54. Rc1 Qxg4+ 55. Kf1 Bxe4 56. Qd2 Rc5 57. Qe2 Qg6 58. Ke1 f5 59. Qe3 Qg1+ 60. Kd2 Rxd5+ 61. Kc3 Qg6 62. Rcxc2 Qf6+ 63. Kb4 Rd4+ 64. Rc4 Qb6+ 0-1