[Event "Interzonal-09b"]
[Site "Petropolis"]
[Date "1973.07.28"]
[Round "4"]
[White "Hug, Werner"]
[Black "Hort, Vlastimil"]
[Result "0-1"]
1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. c3 e5 8. Be3 d6 9. d4 exd4 10. cxd4 Bg4 11. dxc5 dxc5 12. Qc1 O-O 13. Nbd2 b6 14. h3 Be6 15. Rd1 Qc8 16. Ng5 Rd8 17. Bf1 Ne5 18. Qc2 N7c6 19. a3 Nd4 20. Bxd4 cxd4 21. Qxc8 Bxc8 22. f4 h6 23. Ngf3 Nxf3+ 24. Nxf3 d3 25. e5 Bf8 26. Rxd3 Rxd3 27. Bxd3 Bxh3 28. Rc1 Rd8 29. Be4 Be6 30. Kf2 Bc5+ 31. Ke2 a5 32. Rc2 Bg4 33. Rc3 Rd4 34. Bc6 Kf8 35. Ke1 Rd8 36. Be4 Ke7 37. Bc2 Be6 38. Rd3 Rxd3 39. Bxd3 Be3 40. Nd2 Bd4 41. b3 Bc3 42. Ke2 Bxd2 43. Kxd2 Bxb3 44. Kc3 Be6 45. Kd4 Kd7 46. Bb5+ Kc7 47. Be8 Kc8 48. Bc6 Kd8 49. Bb5 Kc7 50. Be8 Kd8 51. Bb5 Ke7 52. Bd3 f5 53. exf6+ Kxf6 54. Be2 Bf7 55. Ke4 Ke6 56. Bb5 Kd6 57. Kd4 Be6 58. Be8 Bf5 59. Kc4 g5 60. fxg5 hxg5 61. Kd4 Bd7 62. Bg6 b5 63. Bc2 Be6 64. Bd3 Kc6 65. Be4+ Kb6 66. Ke5 Bg8 67. g4 Kc5 68. Bd3 a4 69. Bc2 Bb3 70. Bb1 b4 71. axb4+ Kxb4 72. Kd4 a3 73. Kd3 Be6 74. Kc2 a2 0-1