[Event "Olympiad-19 Preliminaries A"]
[Site "Siegen"]
[Date "1970.09.06"]
[Round "2"]
[White "Siaperas, Triantafyllos"]
[Black "Rodriguez Vargas, Orestes"]
[Result "0-1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. f4 Nge7 7. Nf3 d5 8. exd5 exd5 9. O-O O-O 10. Nh4 Nd4 11. Be3 b6 12. Kh1 Be6 13. Bxd4 Bxd4 14. f5 Nxf5 15. Nxf5 Bxf5 16. Rxf5 gxf5 17. Nxd5 Qg5 18. c3 Bg7 19. Qf3 Rae8 20. Bh3 Re5 21. Bxf5 Rfe8 22. Rf1 Re1 23. Be4 Rxf1+ 24. Qxf1 Re5 25. c4 Re6 26. b3 Rh6 27. Qe1 Be5 28. Kg2 Kg7 29. Ne3 Kh8 30. Nf5 Rf6 31. Nh4 Bd4 32. Nf3 Qe3 33. Qxe3 Bxe3 34. a4 Kg7 35. g4 h5 36. h3 hxg4 37. hxg4 Rh6 38. Bf5 Kf6 39. Be4 Bf4 40. Bf5 Ke7 41. Be4 Rh8 42. Bf5 Kd6 43. Be4 f6 44. Bf5 Rb8 45. Bg6 a6 46. Kf2 Rh8 47. Kg2 Be3 48. Be4 Rb8 49. Bg6 b5 50. cxb5 axb5 51. axb5 Rxb5 52. Bf7 Rb7 53. Bc4 Rg7 54. Kg3 f5 55. g5 Ke7 56. Kh4 Rh7+ 57. Kg3 Rh5 58. Ba6 Bxg5 59. d4 Be3 60. dxc5 Bxc5 61. Kf4 Kf6 62. Bd3 Bb6 63. Bc2 Rh8 64. Bd3 Rg8 65. Ne1 Rg1 66. Nc2 Rg2 67. Ne1 Bc7+ 68. Ke3 Rg3+ 69. Ke2 Bb6 70. Bc4 Ke5 71. Nf3+ Kf4 72. Bd5 Rg7 73. Nh4 Kg4 74. Nf3 Re7+ 75. Kf1 Kg3 76. Ne1 Rd7 77. Bc4 Rd2 78. Nd3 f4 79. Ke1 Rh2 0-1